[fiona] 03/09: Imported Upstream version 1.4.7

Johan Van de Wauw johanvdw-guest at moszumanska.debian.org
Wed Oct 29 23:09:47 UTC 2014


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johanvdw-guest pushed a commit to branch master
in repository fiona.

commit c7939689536a1b5b96c62b22d5f5df52d2d40fde
Author: Johan Van de Wauw <johan.vandewauw at gmail.com>
Date:   Wed Oct 29 20:00:14 2014 +0100

    Imported Upstream version 1.4.7
---
 .travis.yml                           |    13 +
 CHANGES.txt                           |     4 +
 Fiona.egg-info/PKG-INFO               |   574 -
 Fiona.egg-info/SOURCES.txt            |    66 -
 Fiona.egg-info/dependency_links.txt   |     1 -
 Fiona.egg-info/entry_points.txt       |     4 -
 Fiona.egg-info/requires.txt           |     2 -
 Fiona.egg-info/top_level.txt          |     1 -
 MANIFEST.in                           |     9 +
 PKG-INFO                              |   574 -
 VERSION.txt                           |     1 -
 benchmark-max.py                      |    56 +
 benchmark-min.py                      |    37 +
 docs/Makefile                         |   158 +
 docs/conf.py                          |   287 +
 docs/data/test_uk.gpkg                |   Bin 0 -> 86016 bytes
 examples/open.py                      |    86 +
 examples/orient-ccw.py                |    65 +
 examples/with-descartes-functional.py |    21 +
 examples/with-descartes.py            |    30 +
 examples/with-pyproj.py               |    41 +
 examples/with-shapely.py              |    35 +
 fiona/__init__.py                     |     2 +-
 fiona/_drivers.c                      |  4561 ------
 fiona/_drivers.pyx                    |    85 +
 fiona/_err.c                          |  2432 ----
 fiona/_err.pyx                        |    70 +
 fiona/_geometry.c                     | 10093 --------------
 fiona/_geometry.cpp                   | 14460 -------------------
 fiona/_geometry.pxd                   |    32 +
 fiona/_geometry.pyx                   |   261 +
 fiona/_transform.cpp                  |  6800 ---------
 fiona/_transform.pyx                  |   179 +
 fiona/collection.py                   |     6 +-
 fiona/fio/stream.py                   |    55 -
 fiona/ograpi.pxd                      |   134 +
 fiona/ogrext.c                        | 23722 --------------------------------
 fiona/ogrext.pyx                      |  1148 ++
 requirements-dev.txt                  |     4 +
 requirements.txt                      |     4 +
 scripts/dumpgj                        |    70 +
 scripts/fiona.insp                    |    19 +
 setup.cfg                             |    12 +-
 tests/test_schema.py                  |    49 +-
 44 files changed, 2885 insertions(+), 63378 deletions(-)

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..a97c839
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,13 @@
+language: python
+python:
+  - "2.7"
+  - "3.3"
+  - "3.4"
+before_install:
+  - sudo add-apt-repository -y ppa:ubuntugis/ppa
+  - sudo apt-get update -qq
+  - sudo apt-get install -y libgdal1h gdal-bin libgdal-dev
+install:
+  - "pip install -r requirements-dev.txt"
+  - "pip install -e ."
+script: nosetests --exclude test_filter_vsi
diff --git a/CHANGES.txt b/CHANGES.txt
index 5932ba9..45a5159 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,10 @@
 Changes
 =======
 
+1.4.7 (2014-10-28)
+------------------
+- Fix setting of CRS from EPSG codes (#149).
+
 1.4.6 (2014-10-21)
 ------------------
 - Handle 3D coordinates in bounds() #178.
diff --git a/Fiona.egg-info/PKG-INFO b/Fiona.egg-info/PKG-INFO
deleted file mode 100644
index dc48fef..0000000
--- a/Fiona.egg-info/PKG-INFO
+++ /dev/null
@@ -1,574 +0,0 @@
-Metadata-Version: 1.1
-Name: Fiona
-Version: 1.4.6
-Summary: Fiona reads and writes spatial data files
-Home-page: http://github.com/Toblerity/Fiona
-Author: Sean Gillies
-Author-email: sean.gillies at gmail.com
-License: BSD
-Description: =====
-        Fiona
-        =====
-        
-        Fiona is OGR's neat, nimble, no-nonsense API for Python programmers.
-        
-        .. image:: https://travis-ci.org/Toblerity/Fiona.png?branch=master   
-           :target: https://travis-ci.org/Toblerity/Fiona
-        
-        Fiona is designed to be simple and dependable. It focuses on reading and
-        writing data in standard Python IO style and relies upon familiar Python types
-        and protocols such as files, dictionaries, mappings, and iterators instead of
-        classes specific to OGR. Fiona can read and write real-world data using
-        multi-layered GIS formats and zipped virtual file systems and integrates
-        readily with other Python GIS packages such as pyproj_, Rtree_, and Shapely_.
-        
-        For more details, see:
-        
-        * Fiona `home page <https://github.com/Toblerity/Fiona>`__
-        * Fiona `docs and manual <http://toblerity.github.com/fiona/>`__
-        * Fiona `examples <https://github.com/Toblerity/Fiona/tree/master/examples>`__
-        
-        Usage
-        =====
-        
-        Collections
-        -----------
-        
-        Records are read from and written to ``file``-like `Collection` objects
-        returned from the ``fiona.open()`` function.  Records are mappings modeled on
-        the GeoJSON format. They don't have any spatial methods of their own, so if you
-        want to do anything fancy with them you will probably need Shapely or something
-        like it. Here is an example of using Fiona to read some records from one data
-        file, change their geometry attributes, and write them to a new data file.
-        
-        .. code-block:: python
-        
-            import fiona
-          
-            # Register format drivers with a context manager
-            
-            with fiona.drivers():
-        
-                # Open a file for reading. We'll call this the "source."
-                
-                with fiona.open('docs/data/test_uk.shp') as source:
-        
-                    # The file we'll write to, the "sink", must be initialized
-                    # with a coordinate system, a format driver name, and
-                    # a record schema.  We can get initial values from the open
-                    # collection's ``meta`` property and then modify them as
-                    # desired.
-        
-                    meta = source.meta
-                    meta['schema']['geometry'] = 'Point'
-        
-                    # Open an output file, using the same format driver and
-                    # coordinate reference system as the source. The ``meta``
-                    # mapping fills in the keyword parameters of fiona.open().
-                    
-                    with fiona.open('test_write.shp', 'w', **meta) as sink:
-        
-                        # Process only the records intersecting a box.
-                        for f in source.filter(bbox=(-5.0, 55.0, 0.0, 60.0)):
-                  
-                            # Get a point on the boundary of the record's
-                            # geometry.
-                            
-                            f['geometry'] = {
-                                'type': 'Point',
-                                'coordinates': f['geometry']['coordinates'][0][0]}
-                      
-                            # Write the record out.
-                            
-                            sink.write(f)
-                      
-                # The sink's contents are flushed to disk and the file is
-                # closed when its ``with`` block ends. This effectively
-                # executes ``sink.flush(); sink.close()``.
-        
-            # At the end of the ``with fiona.drivers()`` block, context
-            # manager exits and all drivers are de-registered.
-        
-        The fiona.drivers() function and context manager are new in 1.1. The
-        example above shows the way to use it to register and de-register
-        drivers in a deterministic and efficient way. Code written for Fiona 1.0
-        will continue to work: opened collections may manage the global driver
-        registry if no other manager is present.
-        
-        Reading Multilayer data
-        -----------------------
-        
-        Collections can also be made from single layers within multilayer files or
-        directories of data. The target layer is specified by name or by its integer
-        index within the file or directory. The ``fiona.listlayers()`` function
-        provides an index ordered list of layer names.
-        
-        .. code-block:: python
-        
-            with fiona.drivers():
-        
-                for layername in fiona.listlayers('docs/data'):
-                    with fiona.open('docs/data', layer=layername) as c:
-                        print(layername, len(c))
-            
-            # Output:
-            # test_uk 48
-        
-        Layer can also be specified by index. In this case, ``layer=0`` and
-        ``layer='test_uk'`` specify the same layer in the data file or directory.
-        
-        .. code-block:: python
-        
-            with fiona.drivers():
-        
-                for i, layername in enumerate(fiona.listlayers('docs/data')):
-                    with fiona.open('docs/data', layer=i) as c:
-                        print(i, layername, len(c))
-            
-            # Output:
-            # 0 test_uk 48
-        
-        Writing Multilayer data
-        -----------------------
-        
-        Multilayer data can be written as well. Layers must be specified by name when
-        writing.
-        
-        .. code-block:: python
-            
-            with fiona.drivers():
-        
-                with open('docs/data/test_uk.shp') as c:
-                    meta = c.meta
-                    f = next(c)
-            
-                with fiona.open('/tmp/foo', 'w', layer='bar', **meta) as c:
-                    c.write(f)
-            
-                print(fiona.listlayers('/tmp/foo'))
-                # Output: ['bar']
-            
-                with fiona.open('/tmp/foo', layer='bar') as c:
-                    print(len(c))
-                    f = next(c)
-                    print(f['geometry']['type'])
-                    print(f['properties'])
-            
-                # Output:
-                # 1
-                # Polygon
-                # {'FIPS_CNTRY': 'UK', 'POP_CNTRY': 60270708.0, 'CAT': 232.0, 
-                #  'AREA': 244820.0, 'CNTRY_NAME': 'United Kingdom'}
-        
-        A view of the /tmp/foo directory will confirm the creation of the new files.
-        
-        .. code-block:: console
-        
-            $ ls /tmp/foo
-            bar.cpg bar.dbf bar.prj bar.shp bar.shx
-        
-        Collections from archives and virtual file systems
-        --------------------------------------------------
-        
-        Zip and Tar archives can be treated as virtual filesystems and Collections can
-        be made from paths and layers within them. In other words, Fiona lets you read
-        and write zipped Shapefiles.
-        
-        .. code-block:: python
-        
-            with fiona.drivers():
-        
-                for i, layername in enumerate(
-                        fiona.listlayers(
-                            '/', 
-                            vfs='zip://docs/data/test_uk.zip')):
-                    with fiona.open(
-                            '/', 
-                            vfs='zip://docs/data/test_uk.zip', 
-                            layer=i) as c:
-                        print(i, layername, len(c))
-            
-            # Output:
-            # 0 test_uk 48
-        
-        Fiona CLI
-        =========
-        
-        Fiona's command line interface, named "fio", is documented at `docs/cli.rst
-        <https://github.com/Toblerity/Fiona/blob/master/docs/cli.rst>`__. Its ``fio
-        info`` pretty prints information about a data file.
-        
-        .. code-block:: console
-        
-            $ fio info docs/data/test_uk.shp
-            { 'bbox': (-8.621389, 49.911659, 1.749444, 60.844444),
-              'count': 48,
-              'crs': { u'datum': u'WGS84', u'no_defs': True, u'proj': u'longlat'},
-              'driver': u'ESRI Shapefile',
-              'schema': { 'geometry': 'Polygon',
-                          'properties': OrderedDict([(u'CAT', 'float:16'), (u'FIPS_CNTRY', 'str:80'), (u'CNTRY_NAME', 'str:80'), (u'AREA', 'float:15.2'), (u'POP_CNTRY', 'float:15.2')])}}
-        
-        Installation
-        ============
-        
-        Fiona requires Python 2.6, 2.7, 3.3, or 3.4 and GDAL/OGR 1.8+. To build from
-        a source distribution you will need a C compiler and GDAL and Python
-        development headers and libraries (libgdal1-dev for Debian/Ubuntu, gdal-dev for
-        CentOS/Fedora).
-        
-        To build from a repository copy, you will also need Cython to build C sources
-        from the project's .pyx files. See the project's requirements-dev.txt file for
-        guidance.
-        
-        The popular `Kyngchaos GDAL frameworks
-        <http://www.kyngchaos.com/software/frameworks#gdal_complete>`__ will satisfy
-        the GDAL/OGR dependency for OS X. Fiona's author uses Homebrew (``brew install
-        gdal``) on OS X.
-        
-        Python Requirements
-        -------------------
-        
-        Fiona depends on the modules ``six`` and ``argparse``. The latter is standard
-        in Python 2.7+. Easy_install and pip will fetch these requirements for you, but
-        users installing Fiona from a Windows installer must get them separately.
-        
-        Unix-like systems
-        -----------------
-        
-        Assuming you're using a virtualenv (if not, skip to the 4th command) and
-        GDAL/OGR libraries, headers, and `gdal-config`_ program are installed to well
-        known locations on your system via your system's package manager (``brew
-        install gdal`` using Homebrew on OS X), installation is this simple::
-        
-          $ mkdir fiona_env
-          $ virtualenv fiona_env
-          $ source fiona_env/bin/activate
-          (fiona_env)$ pip install Fiona
-        
-        If gdal-config is not available or if GDAL/OGR headers and libs aren't
-        installed to a well known location, you must set include dirs, library dirs,
-        and libraries options via the setup.cfg file or setup command line as shown
-        below (using ``git``)::
-        
-          (fiona_env)$ git clone git://github.com/Toblerity/Fiona.git
-          (fiona_env)$ cd Fiona
-          (fiona_env)$ python setup.py build_ext -I/path/to/gdal/include -L/path/to/gdal/lib -lgdal install
-        
-        Windows
-        -------
-        
-        Binary installers are available at
-        http://www.lfd.uci.edu/~gohlke/pythonlibs/#fiona and coming eventually to PyPI.
-        
-        Development and testing
-        =======================
-        
-        Building from the source requires Cython. Tests require Nose. If the GDAL/OGR
-        libraries, headers, and `gdal-config`_ program are installed to well known
-        locations on your system (via your system's package manager), you can do this::
-        
-          (fiona_env)$ git clone git://github.com/Toblerity/Fiona.git
-          (fiona_env)$ cd Fiona
-          (fiona_env)$ python setup.py develop
-          (fiona_env)$ nosetests
-        
-        If you have a non-standard environment, you'll need to specify the include and
-        lib dirs and GDAL library on the command line::
-        
-          (fiona_env)$ python setup.py build_ext -I/path/to/gdal/include -L/path/to/gdal/lib -lgdal develop
-          (fiona_env)$ nosetests
-        
-        .. _OGR: http://www.gdal.org/ogr
-        .. _pyproj: http://pypi.python.org/pypi/pyproj/
-        .. _Rtree: http://pypi.python.org/pypi/Rtree/
-        .. _Shapely: http://pypi.python.org/pypi/Shapely/
-        .. _gdal-config: http://www.gdal.org/gdal-config.html
-        
-        
-        Changes
-        =======
-        
-        1.4.6 (2014-10-21)
-        ------------------
-        - Handle 3D coordinates in bounds() #178.
-        
-        1.4.5 (2014-10-18)
-        ------------------
-        - Add --bbox option to fio-cat (#163).
-        - Skip geopackage tests if run from an sdist (#167).
-        - Add fio-bounds and fio-distrib.
-        - Restore fio-dump to working order.
-        
-        1.4.4 (2014-10-13)
-        ------------------
-        - Fix accidental requirement on GDAL 1.11 introduced in 1.4.3 (#164).
-        
-        1.4.3 (2014-10-10)
-        ------------------
-        - Add support for geopackage format (#160).
-        - Add -f and --format aliases for --driver in CLI (#162).
-        - Add --version option and env command to CLI.
-        
-        1.4.2 (2014-10-03)
-        ------------------
-        - --dst-crs and --src-crs options for fio cat and collect (#159).
-        
-        1.4.1 (2014-09-30)
-        ------------------
-        - Fix encoding bug in collection's __getitem__ (#153).
-        
-        1.4.0 (2014-09-22)
-        ------------------
-        - Add fio cat and fio collect commands (#150).
-        - Return of Python 2.6 compatibility (#148).
-        - Improved CRS support (#149).
-        
-        1.3.0 (2014-09-17)
-        ------------------
-        - Add single metadata item accessors to fio inf (#142).
-        - Move fio to setuptools entry point (#142).
-        - Add fio dump and load commands (#143).
-        - Remove fio translate command.
-        
-        1.2.0 (2014-09-02)
-        ------------------
-        - Always show property width and precision in schema (#123).
-        - Write datetime properties of features (#125).
-        - Reset spatial filtering in filter() (#129).
-        - Accept datetime.date objects as feature properties (#130).
-        - Add slicing to collection iterators (#132).
-        - Add geometry object masks to collection iterators (#136).
-        - Change source layout to match Shapely and Rasterio (#138).
-        
-        1.1.6 (2014-07-23)
-        ------------------
-        - Implement Collection __getitem__() (#112).
-        - Leave GDAL finalization to the DLL's destructor (#113).
-        - Add Collection keys(), values(), items(), __contains__() (#114).
-        - CRS bug fix (#116).
-        - Add fio CLI program.
-          
-        1.1.5 (2014-05-21)
-        ------------------
-        - Addition of cpl_errs context manager (#108).
-        - Check for NULLs with '==' test instead of 'is' (#109).
-        - Open auxiliary files with encoding='utf-8' in setup for Python 3 (#110).
-        
-        1.1.4 (2014-04-03)
-        ------------------
-        - Convert 'long' in schemas to 'int' (#101).
-        - Carefully map Python schema to the possibly munged internal schema (#105).
-        - Allow writing of features with geometry: None (#71).
-        
-        1.1.3 (2014-03-23)
-        ------------------
-        - Always register all GDAL and OGR drivers when entering the DriverManager
-          context (#80, #92).
-        - Skip unsupported field types with a warning (#91).
-        - Allow OGR config options to be passed to fiona.drivers() (#90, #93).
-        - Add a bounds() function (#100).
-        - Turn on GPX driver.
-        
-        1.1.2 (2014-02-14)
-        ------------------
-        - Remove collection slice left in dumpgj (#88).
-        
-        1.1.1 (2014-02-02)
-        ------------------
-        - Add an interactive file inspector like the one in rasterio.
-        - CRS to_string bug fix (#83).
-        
-        1.1 (2014-01-22)
-        ----------------
-        - Use a context manager to manage drivers (#78), a backwards compatible but
-          big change. Fiona is now compatible with rasterio and plays better with the
-          osgeo package.
-        
-        1.0.3 (2014-01-21)
-        ------------------
-        - Fix serialization of +init projections (#69).
-        
-        1.0.2 (2013-09-09)
-        ------------------
-        - Smarter, better test setup (#65, #66, #67).
-        - Add type='Feature' to records read from a Collection (#68).
-        - Skip geometry validation when using GeoJSON driver (#61).
-        - Dumpgj file description reports record properties as a list (as in
-          dict.items()) instead of a dict.
-        
-        1.0.1 (2013-08-16)
-        ------------------
-        - Allow ordering of written fields and preservation of field order when
-          reading (#57).
-        
-        1.0 (2013-07-30)
-        -----------------
-        - Add prop_type() function.
-        - Allow UTF-8 encoded paths for Python 2 (#51). For Python 3, paths must
-          always be str, never bytes.
-        - Remove encoding from collection.meta, it's a file creation option only.
-        - Support for linking GDAL frameworks (#54).
-        
-        0.16.1 (2013-07-02)
-        -------------------
-        - Add listlayers, open, prop_width to __init__py:__all__.
-        - Reset reading of OGR layer whenever we ask for a collection iterator (#49).
-        
-        0.16 (2013-06-24)
-        -----------------
-        - Add support for writing layers to multi-layer files.
-        - Add tests to reach 100% Python code coverage.
-        
-        0.15 (2013-06-06)
-        -----------------
-        - Get and set numeric field widths (#42).
-        - Add support for multi-layer data sources (#17).
-        - Add support for zip and tar virtual filesystems (#45).
-        - Add listlayers() function.
-        - Add GeoJSON to list of supported formats (#47).
-        - Allow selection of layers by index or name.
-        
-        0.14 (2013-05-04)
-        -----------------
-        - Add option to add JSON-LD in the dumpgj program.
-        - Compare values to six.string_types in Collection constructor.
-        - Add encoding to Collection.meta.
-        - Document dumpgj in README.
-        
-        0.13 (2013-04-30)
-        -----------------
-        - Python 2/3 compatibility in a single package. Pythons 2.6, 2.7, 3.3 now supported.
-        
-        0.12.1 (2013-04-16)
-        -------------------
-        - Fix messed up linking of README in sdist (#39).
-        
-        0.12 (2013-04-15)
-        -----------------
-        - Fix broken installation of extension modules (#35).
-        - Log CPL errors at their matching Python log levels.
-        - Use upper case for encoding names within OGR, lower case in Python.
-        
-        0.11 (2013-04-14)
-        -----------------
-        - Cythonize .pyx files (#34).
-        - Work with or around OGR's internal recoding of record data (#35).
-        - Fix bug in serialization of int/float PROJ.4 params.
-        
-        0.10 (2013-03-23)
-        -----------------
-        - Add function to get the width of str type properties.
-        - Handle validation and schema representation of 3D geometry types (#29).
-        - Return {'geometry': None} in the case of a NULL geometry (#31).
-        
-        0.9.1 (2013-03-07)
-        ------------------
-        - Silence the logger in ogrext.so (can be overridden).
-        - Allow user specification of record field encoding (like 'Windows-1252' for
-          Natural Earth shapefiles) to help when OGR can't detect it.
-        
-        0.9 (2013-03-06)
-        ----------------
-        - Accessing file metadata (crs, schema, bounds) on never inspected closed files
-          returns None without exceptions.
-        - Add a dict of supported_drivers and their supported modes.
-        - Raise ValueError for unsupported drivers and modes.
-        - Remove asserts from ogrext.pyx.
-        - Add validate_record method to collections.
-        - Add helpful coordinate system functions to fiona.crs.
-        - Promote use of fiona.open over fiona.collection.
-        - Handle Shapefile's mix of LineString/Polygon and multis (#18).
-        - Allow users to specify width of shapefile text fields (#20).
-        
-        0.8 (2012-02-21)
-        ----------------
-        - Replaced .opened attribute with .closed (product of collection() is always
-          opened). Also a __del__() which will close a Collection, but still not to be
-          depended upon.
-        - Added writerecords method.
-        - Added a record buffer and better counting of records in a collection.
-        - Manage one iterator per collection/session.
-        - Added a read-only bounds property.
-        
-        0.7 (2012-01-29)
-        ----------------
-        - Initial timezone-naive support for date, time, and datetime fields. Don't use
-          these field types if you can avoid them. RFC 3339 datetimes in a string field
-          are much better.
-        
-        0.6.2 (2012-01-10)
-        ------------------
-        - Diagnose and set the driver property of collection in read mode.
-        - Fail if collection paths are not to files. Multi-collection workspaces are
-          a (maybe) TODO.
-        
-        0.6.1 (2012-01-06)
-        ------------------
-        - Handle the case of undefined crs for disk collections.
-        
-        0.6 (2012-01-05)
-        ----------------
-        - Support for collection coordinate reference systems based on Proj4.
-        - Redirect OGR warnings and errors to the Fiona log.
-        - Assert that pointers returned from the ograpi functions are not NULL before
-          using.
-        
-        0.5 (2011-12-19)
-        ----------------
-        - Support for reading and writing collections of any geometry type.
-        - Feature and Geometry classes replaced by mappings (dicts).
-        - Removal of Workspace class.
-        
-        0.2 (2011-09-16)
-        ----------------
-        - Rename WorldMill to Fiona.
-        
-        0.1.1 (2008-12-04)
-        ------------------
-        - Support for features with no geometry.
-        
-        
-        Credits
-        =======
-        
-        Fiona is written by:
-        
-        * Sean Gillies (https://github.com/sgillies)
-        
-        With contributions by:
-        
-        * Joshua Arnott (https://github.com/snorfalorpagus)
-        * René Buffat (https://github.com/rbuffat)
-        * Michele Citterio (https://github.com/citterio)
-        * Stefano Costa (https://github.com/steko)
-        * Ludovic Delauné (https://github.com/ldgeo)
-        * Kelsey Jordahl (https://github.com/kjordahl)
-        * Frédéric Junod (https://github.com/fredj)
-        * jwass (https://github.com/jwass)
-        * Brandon Liu (https://github.com/bdon)
-        * lordi (https://github.com/lordi)
-        * Ariel Núñez (https://github.com/ingenieroariel)
-        * Oliver Tonnhofer (https://github.com/olt)
-        * Brendan Wards (https://github.com/brendan-ward)
-        * Michael Weisman (https://github.com/mweisman)
-        * Andy Wilson (https://github.com/wilsaj)
-        
-        Fiona would not be possible without the great work of Frank Warmerdam and other
-        GDAL/OGR developers.
-        
-        Some portions of this work were supported by a grant (for Pleiades_) from the
-        U.S. National Endowment for the Humanities (http://www.neh.gov).
-        
-        .. _Pleiades: http://pleiades.stoa.org
-        
-        
-Keywords: gis vector feature data
-Platform: UNKNOWN
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Intended Audience :: Developers
-Classifier: Intended Audience :: Science/Research
-Classifier: License :: OSI Approved :: BSD License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 3
-Classifier: Topic :: Scientific/Engineering :: GIS
diff --git a/Fiona.egg-info/SOURCES.txt b/Fiona.egg-info/SOURCES.txt
deleted file mode 100644
index 55a7ccf..0000000
--- a/Fiona.egg-info/SOURCES.txt
+++ /dev/null
@@ -1,66 +0,0 @@
-CHANGES.txt
-CREDITS.txt
-LICENSE.txt
-README.rst
-VERSION.txt
-benchmark.py
-setup.cfg
-setup.py
-./fiona/__init__.py
-./fiona/collection.py
-./fiona/crs.py
-./fiona/errors.py
-./fiona/inspector.py
-./fiona/odict.py
-./fiona/rfc3339.py
-./fiona/tool.py
-./fiona/transform.py
-./fiona/fio/__init__.py
-./fiona/fio/bounds.py
-./fiona/fio/cat.py
-./fiona/fio/cli.py
-./fiona/fio/fio.py
-./fiona/fio/stream.py
-Fiona.egg-info/PKG-INFO
-Fiona.egg-info/SOURCES.txt
-Fiona.egg-info/dependency_links.txt
-Fiona.egg-info/entry_points.txt
-Fiona.egg-info/requires.txt
-Fiona.egg-info/top_level.txt
-docs/README.rst
-docs/cli.rst
-docs/encoding.txt
-docs/index.rst
-docs/manual.rst
-docs/data/test_uk.dbf
-docs/data/test_uk.prj
-docs/data/test_uk.shp
-docs/data/test_uk.shx
-fiona/_drivers.c
-fiona/_err.c
-fiona/_geometry.c
-fiona/_geometry.cpp
-fiona/_transform.cpp
-fiona/ogrext.c
-tests/__init__.py
-tests/test_bounds.py
-tests/test_cli.py
-tests/test_collection.py
-tests/test_crs.py
-tests/test_drivers.py
-tests/test_feature.py
-tests/test_fio_bounds.py
-tests/test_fio_cat.py
-tests/test_geojson.py
-tests/test_geometry.py
-tests/test_geopackage.py
-tests/test_layer.py
-tests/test_listing.py
-tests/test_multiconxn.py
-tests/test_props.py
-tests/test_revolvingdoor.py
-tests/test_rfc3339.py
-tests/test_schema.py
-tests/test_slice.py
-tests/test_unicode.py
-tests/test_vfs.py
\ No newline at end of file
diff --git a/Fiona.egg-info/dependency_links.txt b/Fiona.egg-info/dependency_links.txt
deleted file mode 100644
index 8b13789..0000000
--- a/Fiona.egg-info/dependency_links.txt
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/Fiona.egg-info/entry_points.txt b/Fiona.egg-info/entry_points.txt
deleted file mode 100644
index d1ecc6e..0000000
--- a/Fiona.egg-info/entry_points.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-
-        [console_scripts]
-        fio=fiona.fio.fio:cli
-        
\ No newline at end of file
diff --git a/Fiona.egg-info/requires.txt b/Fiona.egg-info/requires.txt
deleted file mode 100644
index 19f7fd7..0000000
--- a/Fiona.egg-info/requires.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-click
-six
\ No newline at end of file
diff --git a/Fiona.egg-info/top_level.txt b/Fiona.egg-info/top_level.txt
deleted file mode 100644
index 9d901a6..0000000
--- a/Fiona.egg-info/top_level.txt
+++ /dev/null
@@ -1 +0,0 @@
-fiona
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..689e3e5
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,9 @@
+exclude *.txt *.py
+include CHANGES.txt CREDITS.txt LICENSE.txt VERSION.txt README.rst benchmark.py setup.py
+recursive-include docs *.rst *.txt
+recursive-include docs/data test_uk.dbf test_uk.prj test_uk.shp test_uk.shx
+recursive-exclude docs/data *.zip *.tar *.json
+recursive-exclude docs/data/testing *
+recursive-exclude docs/_build *
+recursive-include tests *.py *.txt
+exclude MANIFEST.in
diff --git a/PKG-INFO b/PKG-INFO
deleted file mode 100644
index dc48fef..0000000
--- a/PKG-INFO
+++ /dev/null
@@ -1,574 +0,0 @@
-Metadata-Version: 1.1
-Name: Fiona
-Version: 1.4.6
-Summary: Fiona reads and writes spatial data files
-Home-page: http://github.com/Toblerity/Fiona
-Author: Sean Gillies
-Author-email: sean.gillies at gmail.com
-License: BSD
-Description: =====
-        Fiona
-        =====
-        
-        Fiona is OGR's neat, nimble, no-nonsense API for Python programmers.
-        
-        .. image:: https://travis-ci.org/Toblerity/Fiona.png?branch=master   
-           :target: https://travis-ci.org/Toblerity/Fiona
-        
-        Fiona is designed to be simple and dependable. It focuses on reading and
-        writing data in standard Python IO style and relies upon familiar Python types
-        and protocols such as files, dictionaries, mappings, and iterators instead of
-        classes specific to OGR. Fiona can read and write real-world data using
-        multi-layered GIS formats and zipped virtual file systems and integrates
-        readily with other Python GIS packages such as pyproj_, Rtree_, and Shapely_.
-        
-        For more details, see:
-        
-        * Fiona `home page <https://github.com/Toblerity/Fiona>`__
-        * Fiona `docs and manual <http://toblerity.github.com/fiona/>`__
-        * Fiona `examples <https://github.com/Toblerity/Fiona/tree/master/examples>`__
-        
-        Usage
-        =====
-        
-        Collections
-        -----------
-        
-        Records are read from and written to ``file``-like `Collection` objects
-        returned from the ``fiona.open()`` function.  Records are mappings modeled on
-        the GeoJSON format. They don't have any spatial methods of their own, so if you
-        want to do anything fancy with them you will probably need Shapely or something
-        like it. Here is an example of using Fiona to read some records from one data
-        file, change their geometry attributes, and write them to a new data file.
-        
-        .. code-block:: python
-        
-            import fiona
-          
-            # Register format drivers with a context manager
-            
-            with fiona.drivers():
-        
-                # Open a file for reading. We'll call this the "source."
-                
-                with fiona.open('docs/data/test_uk.shp') as source:
-        
-                    # The file we'll write to, the "sink", must be initialized
-                    # with a coordinate system, a format driver name, and
-                    # a record schema.  We can get initial values from the open
-                    # collection's ``meta`` property and then modify them as
-                    # desired.
-        
-                    meta = source.meta
-                    meta['schema']['geometry'] = 'Point'
-        
-                    # Open an output file, using the same format driver and
-                    # coordinate reference system as the source. The ``meta``
-                    # mapping fills in the keyword parameters of fiona.open().
-                    
-                    with fiona.open('test_write.shp', 'w', **meta) as sink:
-        
-                        # Process only the records intersecting a box.
-                        for f in source.filter(bbox=(-5.0, 55.0, 0.0, 60.0)):
-                  
-                            # Get a point on the boundary of the record's
-                            # geometry.
-                            
-                            f['geometry'] = {
-                                'type': 'Point',
-                                'coordinates': f['geometry']['coordinates'][0][0]}
-                      
-                            # Write the record out.
-                            
-                            sink.write(f)
-                      
-                # The sink's contents are flushed to disk and the file is
-                # closed when its ``with`` block ends. This effectively
-                # executes ``sink.flush(); sink.close()``.
-        
-            # At the end of the ``with fiona.drivers()`` block, context
-            # manager exits and all drivers are de-registered.
-        
-        The fiona.drivers() function and context manager are new in 1.1. The
-        example above shows the way to use it to register and de-register
-        drivers in a deterministic and efficient way. Code written for Fiona 1.0
-        will continue to work: opened collections may manage the global driver
-        registry if no other manager is present.
-        
-        Reading Multilayer data
-        -----------------------
-        
-        Collections can also be made from single layers within multilayer files or
-        directories of data. The target layer is specified by name or by its integer
-        index within the file or directory. The ``fiona.listlayers()`` function
-        provides an index ordered list of layer names.
-        
-        .. code-block:: python
-        
-            with fiona.drivers():
-        
-                for layername in fiona.listlayers('docs/data'):
-                    with fiona.open('docs/data', layer=layername) as c:
-                        print(layername, len(c))
-            
-            # Output:
-            # test_uk 48
-        
-        Layer can also be specified by index. In this case, ``layer=0`` and
-        ``layer='test_uk'`` specify the same layer in the data file or directory.
-        
-        .. code-block:: python
-        
-            with fiona.drivers():
-        
-                for i, layername in enumerate(fiona.listlayers('docs/data')):
-                    with fiona.open('docs/data', layer=i) as c:
-                        print(i, layername, len(c))
-            
-            # Output:
-            # 0 test_uk 48
-        
-        Writing Multilayer data
-        -----------------------
-        
-        Multilayer data can be written as well. Layers must be specified by name when
-        writing.
-        
-        .. code-block:: python
-            
-            with fiona.drivers():
-        
-                with open('docs/data/test_uk.shp') as c:
-                    meta = c.meta
-                    f = next(c)
-            
-                with fiona.open('/tmp/foo', 'w', layer='bar', **meta) as c:
-                    c.write(f)
-            
-                print(fiona.listlayers('/tmp/foo'))
-                # Output: ['bar']
-            
-                with fiona.open('/tmp/foo', layer='bar') as c:
-                    print(len(c))
-                    f = next(c)
-                    print(f['geometry']['type'])
-                    print(f['properties'])
-            
-                # Output:
-                # 1
-                # Polygon
-                # {'FIPS_CNTRY': 'UK', 'POP_CNTRY': 60270708.0, 'CAT': 232.0, 
-                #  'AREA': 244820.0, 'CNTRY_NAME': 'United Kingdom'}
-        
-        A view of the /tmp/foo directory will confirm the creation of the new files.
-        
-        .. code-block:: console
-        
-            $ ls /tmp/foo
-            bar.cpg bar.dbf bar.prj bar.shp bar.shx
-        
-        Collections from archives and virtual file systems
-        --------------------------------------------------
-        
-        Zip and Tar archives can be treated as virtual filesystems and Collections can
-        be made from paths and layers within them. In other words, Fiona lets you read
-        and write zipped Shapefiles.
-        
-        .. code-block:: python
-        
-            with fiona.drivers():
-        
-                for i, layername in enumerate(
-                        fiona.listlayers(
-                            '/', 
-                            vfs='zip://docs/data/test_uk.zip')):
-                    with fiona.open(
-                            '/', 
-                            vfs='zip://docs/data/test_uk.zip', 
-                            layer=i) as c:
-                        print(i, layername, len(c))
-            
-            # Output:
-            # 0 test_uk 48
-        
-        Fiona CLI
-        =========
-        
-        Fiona's command line interface, named "fio", is documented at `docs/cli.rst
-        <https://github.com/Toblerity/Fiona/blob/master/docs/cli.rst>`__. Its ``fio
-        info`` pretty prints information about a data file.
-        
-        .. code-block:: console
-        
-            $ fio info docs/data/test_uk.shp
-            { 'bbox': (-8.621389, 49.911659, 1.749444, 60.844444),
-              'count': 48,
-              'crs': { u'datum': u'WGS84', u'no_defs': True, u'proj': u'longlat'},
-              'driver': u'ESRI Shapefile',
-              'schema': { 'geometry': 'Polygon',
-                          'properties': OrderedDict([(u'CAT', 'float:16'), (u'FIPS_CNTRY', 'str:80'), (u'CNTRY_NAME', 'str:80'), (u'AREA', 'float:15.2'), (u'POP_CNTRY', 'float:15.2')])}}
-        
-        Installation
-        ============
-        
-        Fiona requires Python 2.6, 2.7, 3.3, or 3.4 and GDAL/OGR 1.8+. To build from
-        a source distribution you will need a C compiler and GDAL and Python
-        development headers and libraries (libgdal1-dev for Debian/Ubuntu, gdal-dev for
-        CentOS/Fedora).
-        
-        To build from a repository copy, you will also need Cython to build C sources
-        from the project's .pyx files. See the project's requirements-dev.txt file for
-        guidance.
-        
-        The popular `Kyngchaos GDAL frameworks
-        <http://www.kyngchaos.com/software/frameworks#gdal_complete>`__ will satisfy
-        the GDAL/OGR dependency for OS X. Fiona's author uses Homebrew (``brew install
-        gdal``) on OS X.
-        
-        Python Requirements
-        -------------------
-        
-        Fiona depends on the modules ``six`` and ``argparse``. The latter is standard
-        in Python 2.7+. Easy_install and pip will fetch these requirements for you, but
-        users installing Fiona from a Windows installer must get them separately.
-        
-        Unix-like systems
-        -----------------
-        
-        Assuming you're using a virtualenv (if not, skip to the 4th command) and
-        GDAL/OGR libraries, headers, and `gdal-config`_ program are installed to well
-        known locations on your system via your system's package manager (``brew
-        install gdal`` using Homebrew on OS X), installation is this simple::
-        
-          $ mkdir fiona_env
-          $ virtualenv fiona_env
-          $ source fiona_env/bin/activate
-          (fiona_env)$ pip install Fiona
-        
-        If gdal-config is not available or if GDAL/OGR headers and libs aren't
-        installed to a well known location, you must set include dirs, library dirs,
-        and libraries options via the setup.cfg file or setup command line as shown
-        below (using ``git``)::
-        
-          (fiona_env)$ git clone git://github.com/Toblerity/Fiona.git
-          (fiona_env)$ cd Fiona
-          (fiona_env)$ python setup.py build_ext -I/path/to/gdal/include -L/path/to/gdal/lib -lgdal install
-        
-        Windows
-        -------
-        
-        Binary installers are available at
-        http://www.lfd.uci.edu/~gohlke/pythonlibs/#fiona and coming eventually to PyPI.
-        
-        Development and testing
-        =======================
-        
-        Building from the source requires Cython. Tests require Nose. If the GDAL/OGR
-        libraries, headers, and `gdal-config`_ program are installed to well known
-        locations on your system (via your system's package manager), you can do this::
-        
-          (fiona_env)$ git clone git://github.com/Toblerity/Fiona.git
-          (fiona_env)$ cd Fiona
-          (fiona_env)$ python setup.py develop
-          (fiona_env)$ nosetests
-        
-        If you have a non-standard environment, you'll need to specify the include and
-        lib dirs and GDAL library on the command line::
-        
-          (fiona_env)$ python setup.py build_ext -I/path/to/gdal/include -L/path/to/gdal/lib -lgdal develop
-          (fiona_env)$ nosetests
-        
-        .. _OGR: http://www.gdal.org/ogr
-        .. _pyproj: http://pypi.python.org/pypi/pyproj/
-        .. _Rtree: http://pypi.python.org/pypi/Rtree/
-        .. _Shapely: http://pypi.python.org/pypi/Shapely/
-        .. _gdal-config: http://www.gdal.org/gdal-config.html
-        
-        
-        Changes
-        =======
-        
-        1.4.6 (2014-10-21)
-        ------------------
-        - Handle 3D coordinates in bounds() #178.
-        
-        1.4.5 (2014-10-18)
-        ------------------
-        - Add --bbox option to fio-cat (#163).
-        - Skip geopackage tests if run from an sdist (#167).
-        - Add fio-bounds and fio-distrib.
-        - Restore fio-dump to working order.
-        
-        1.4.4 (2014-10-13)
-        ------------------
-        - Fix accidental requirement on GDAL 1.11 introduced in 1.4.3 (#164).
-        
-        1.4.3 (2014-10-10)
-        ------------------
-        - Add support for geopackage format (#160).
-        - Add -f and --format aliases for --driver in CLI (#162).
-        - Add --version option and env command to CLI.
-        
-        1.4.2 (2014-10-03)
-        ------------------
-        - --dst-crs and --src-crs options for fio cat and collect (#159).
-        
-        1.4.1 (2014-09-30)
-        ------------------
-        - Fix encoding bug in collection's __getitem__ (#153).
-        
-        1.4.0 (2014-09-22)
-        ------------------
-        - Add fio cat and fio collect commands (#150).
-        - Return of Python 2.6 compatibility (#148).
-        - Improved CRS support (#149).
-        
-        1.3.0 (2014-09-17)
-        ------------------
-        - Add single metadata item accessors to fio inf (#142).
-        - Move fio to setuptools entry point (#142).
-        - Add fio dump and load commands (#143).
-        - Remove fio translate command.
-        
-        1.2.0 (2014-09-02)
-        ------------------
-        - Always show property width and precision in schema (#123).
-        - Write datetime properties of features (#125).
-        - Reset spatial filtering in filter() (#129).
-        - Accept datetime.date objects as feature properties (#130).
-        - Add slicing to collection iterators (#132).
-        - Add geometry object masks to collection iterators (#136).
-        - Change source layout to match Shapely and Rasterio (#138).
-        
-        1.1.6 (2014-07-23)
-        ------------------
-        - Implement Collection __getitem__() (#112).
-        - Leave GDAL finalization to the DLL's destructor (#113).
-        - Add Collection keys(), values(), items(), __contains__() (#114).
-        - CRS bug fix (#116).
-        - Add fio CLI program.
-          
-        1.1.5 (2014-05-21)
-        ------------------
-        - Addition of cpl_errs context manager (#108).
-        - Check for NULLs with '==' test instead of 'is' (#109).
-        - Open auxiliary files with encoding='utf-8' in setup for Python 3 (#110).
-        
-        1.1.4 (2014-04-03)
-        ------------------
-        - Convert 'long' in schemas to 'int' (#101).
-        - Carefully map Python schema to the possibly munged internal schema (#105).
-        - Allow writing of features with geometry: None (#71).
-        
-        1.1.3 (2014-03-23)
-        ------------------
-        - Always register all GDAL and OGR drivers when entering the DriverManager
-          context (#80, #92).
-        - Skip unsupported field types with a warning (#91).
-        - Allow OGR config options to be passed to fiona.drivers() (#90, #93).
-        - Add a bounds() function (#100).
-        - Turn on GPX driver.
-        
-        1.1.2 (2014-02-14)
-        ------------------
-        - Remove collection slice left in dumpgj (#88).
-        
-        1.1.1 (2014-02-02)
-        ------------------
-        - Add an interactive file inspector like the one in rasterio.
-        - CRS to_string bug fix (#83).
-        
-        1.1 (2014-01-22)
-        ----------------
-        - Use a context manager to manage drivers (#78), a backwards compatible but
-          big change. Fiona is now compatible with rasterio and plays better with the
-          osgeo package.
-        
-        1.0.3 (2014-01-21)
-        ------------------
-        - Fix serialization of +init projections (#69).
-        
-        1.0.2 (2013-09-09)
-        ------------------
-        - Smarter, better test setup (#65, #66, #67).
-        - Add type='Feature' to records read from a Collection (#68).
-        - Skip geometry validation when using GeoJSON driver (#61).
-        - Dumpgj file description reports record properties as a list (as in
-          dict.items()) instead of a dict.
-        
-        1.0.1 (2013-08-16)
-        ------------------
-        - Allow ordering of written fields and preservation of field order when
-          reading (#57).
-        
-        1.0 (2013-07-30)
-        -----------------
-        - Add prop_type() function.
-        - Allow UTF-8 encoded paths for Python 2 (#51). For Python 3, paths must
-          always be str, never bytes.
-        - Remove encoding from collection.meta, it's a file creation option only.
-        - Support for linking GDAL frameworks (#54).
-        
-        0.16.1 (2013-07-02)
-        -------------------
-        - Add listlayers, open, prop_width to __init__py:__all__.
-        - Reset reading of OGR layer whenever we ask for a collection iterator (#49).
-        
-        0.16 (2013-06-24)
-        -----------------
-        - Add support for writing layers to multi-layer files.
-        - Add tests to reach 100% Python code coverage.
-        
-        0.15 (2013-06-06)
-        -----------------
-        - Get and set numeric field widths (#42).
-        - Add support for multi-layer data sources (#17).
-        - Add support for zip and tar virtual filesystems (#45).
-        - Add listlayers() function.
-        - Add GeoJSON to list of supported formats (#47).
-        - Allow selection of layers by index or name.
-        
-        0.14 (2013-05-04)
-        -----------------
-        - Add option to add JSON-LD in the dumpgj program.
-        - Compare values to six.string_types in Collection constructor.
-        - Add encoding to Collection.meta.
-        - Document dumpgj in README.
-        
-        0.13 (2013-04-30)
-        -----------------
-        - Python 2/3 compatibility in a single package. Pythons 2.6, 2.7, 3.3 now supported.
-        
-        0.12.1 (2013-04-16)
-        -------------------
-        - Fix messed up linking of README in sdist (#39).
-        
-        0.12 (2013-04-15)
-        -----------------
-        - Fix broken installation of extension modules (#35).
-        - Log CPL errors at their matching Python log levels.
-        - Use upper case for encoding names within OGR, lower case in Python.
-        
-        0.11 (2013-04-14)
-        -----------------
-        - Cythonize .pyx files (#34).
-        - Work with or around OGR's internal recoding of record data (#35).
-        - Fix bug in serialization of int/float PROJ.4 params.
-        
-        0.10 (2013-03-23)
-        -----------------
-        - Add function to get the width of str type properties.
-        - Handle validation and schema representation of 3D geometry types (#29).
-        - Return {'geometry': None} in the case of a NULL geometry (#31).
-        
-        0.9.1 (2013-03-07)
-        ------------------
-        - Silence the logger in ogrext.so (can be overridden).
-        - Allow user specification of record field encoding (like 'Windows-1252' for
-          Natural Earth shapefiles) to help when OGR can't detect it.
-        
-        0.9 (2013-03-06)
-        ----------------
-        - Accessing file metadata (crs, schema, bounds) on never inspected closed files
-          returns None without exceptions.
-        - Add a dict of supported_drivers and their supported modes.
-        - Raise ValueError for unsupported drivers and modes.
-        - Remove asserts from ogrext.pyx.
-        - Add validate_record method to collections.
-        - Add helpful coordinate system functions to fiona.crs.
-        - Promote use of fiona.open over fiona.collection.
-        - Handle Shapefile's mix of LineString/Polygon and multis (#18).
-        - Allow users to specify width of shapefile text fields (#20).
-        
-        0.8 (2012-02-21)
-        ----------------
-        - Replaced .opened attribute with .closed (product of collection() is always
-          opened). Also a __del__() which will close a Collection, but still not to be
-          depended upon.
-        - Added writerecords method.
-        - Added a record buffer and better counting of records in a collection.
-        - Manage one iterator per collection/session.
-        - Added a read-only bounds property.
-        
-        0.7 (2012-01-29)
-        ----------------
-        - Initial timezone-naive support for date, time, and datetime fields. Don't use
-          these field types if you can avoid them. RFC 3339 datetimes in a string field
-          are much better.
-        
-        0.6.2 (2012-01-10)
-        ------------------
-        - Diagnose and set the driver property of collection in read mode.
-        - Fail if collection paths are not to files. Multi-collection workspaces are
-          a (maybe) TODO.
-        
-        0.6.1 (2012-01-06)
-        ------------------
-        - Handle the case of undefined crs for disk collections.
-        
-        0.6 (2012-01-05)
-        ----------------
-        - Support for collection coordinate reference systems based on Proj4.
-        - Redirect OGR warnings and errors to the Fiona log.
-        - Assert that pointers returned from the ograpi functions are not NULL before
-          using.
-        
-        0.5 (2011-12-19)
-        ----------------
-        - Support for reading and writing collections of any geometry type.
-        - Feature and Geometry classes replaced by mappings (dicts).
-        - Removal of Workspace class.
-        
-        0.2 (2011-09-16)
-        ----------------
-        - Rename WorldMill to Fiona.
-        
-        0.1.1 (2008-12-04)
-        ------------------
-        - Support for features with no geometry.
-        
-        
-        Credits
-        =======
-        
-        Fiona is written by:
-        
-        * Sean Gillies (https://github.com/sgillies)
-        
-        With contributions by:
-        
-        * Joshua Arnott (https://github.com/snorfalorpagus)
-        * René Buffat (https://github.com/rbuffat)
-        * Michele Citterio (https://github.com/citterio)
-        * Stefano Costa (https://github.com/steko)
-        * Ludovic Delauné (https://github.com/ldgeo)
-        * Kelsey Jordahl (https://github.com/kjordahl)
-        * Frédéric Junod (https://github.com/fredj)
-        * jwass (https://github.com/jwass)
-        * Brandon Liu (https://github.com/bdon)
-        * lordi (https://github.com/lordi)
-        * Ariel Núñez (https://github.com/ingenieroariel)
-        * Oliver Tonnhofer (https://github.com/olt)
-        * Brendan Wards (https://github.com/brendan-ward)
-        * Michael Weisman (https://github.com/mweisman)
-        * Andy Wilson (https://github.com/wilsaj)
-        
-        Fiona would not be possible without the great work of Frank Warmerdam and other
-        GDAL/OGR developers.
-        
-        Some portions of this work were supported by a grant (for Pleiades_) from the
-        U.S. National Endowment for the Humanities (http://www.neh.gov).
-        
-        .. _Pleiades: http://pleiades.stoa.org
-        
-        
-Keywords: gis vector feature data
-Platform: UNKNOWN
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Intended Audience :: Developers
-Classifier: Intended Audience :: Science/Research
-Classifier: License :: OSI Approved :: BSD License
-Classifier: Operating System :: OS Independent
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 3
-Classifier: Topic :: Scientific/Engineering :: GIS
diff --git a/VERSION.txt b/VERSION.txt
deleted file mode 100644
index 7b5753f..0000000
--- a/VERSION.txt
+++ /dev/null
@@ -1 +0,0 @@
-1.4.6
\ No newline at end of file
diff --git a/benchmark-max.py b/benchmark-max.py
new file mode 100644
index 0000000..d302878
--- /dev/null
+++ b/benchmark-max.py
@@ -0,0 +1,56 @@
+
+import timeit
+from fiona import collection
+from osgeo import ogr
+
+PATH = 'docs/data/test_uk.shp'
+NAME = 'test_uk'
+
+# Fiona
+s = """
+with collection(PATH, "r") as c:
+    for f in c:
+        id = f["id"]
+"""
+t = timeit.Timer(
+    stmt=s,
+    setup='from __main__ import collection, PATH, NAME'
+    )
+print "Fiona 0.5"
+print "%.2f usec/pass" % (1000000 * t.timeit(number=1000)/1000)
+print
+
+# OGR
+s = """
+source = ogr.Open(PATH)
+layer = source.GetLayerByName(NAME)
+
+schema = []
+ldefn = layer.GetLayerDefn()
+for n in range(ldefn.GetFieldCount()):
+    fdefn = ldefn.GetFieldDefn(n)
+    schema.append((fdefn.name, fdefn.type))
+
+for feature in layer:
+    id = feature.GetFID()
+    props = {}
+    for i in range(feature.GetFieldCount()):
+        props[schema[i][0]] = feature.GetField(i)
+    
+    coordinates = []
+    for part in feature.GetGeometryRef():
+        ring = []
+        for i in range(part.GetPointCount()):
+            xy = part.GetPoint(i)
+            ring.append(xy)
+        coordinates.append(ring)
+
+source.Destroy()
+"""
+print "osgeo.ogr 1.7.2 (maximum)"
+t = timeit.Timer(
+    stmt=s,
+    setup='from __main__ import ogr, PATH, NAME'
+    )
+print "%.2f usec/pass" % (1000000 * t.timeit(number=1000)/1000)
+
diff --git a/benchmark-min.py b/benchmark-min.py
new file mode 100644
index 0000000..b5daa27
--- /dev/null
+++ b/benchmark-min.py
@@ -0,0 +1,37 @@
+
+import timeit
+from fiona import collection
+from osgeo import ogr
+
+PATH = 'docs/data/test_uk.shp'
+NAME = 'test_uk'
+
+# Fiona
+s = """
+with collection(PATH, "r") as c:
+    for f in c:
+        id = f["id"]
+"""
+t = timeit.Timer(
+    stmt=s,
+    setup='from __main__ import collection, PATH, NAME'
+    )
+print "Fiona 0.5"
+print "%.2f usec/pass" % (1000000 * t.timeit(number=1000)/1000)
+print
+
+# OGR
+s = """
+source = ogr.Open(PATH)
+layer = source.GetLayerByName(NAME)
+for feature in layer:
+    id = feature.GetFID()
+source.Destroy()
+"""
+print "osgeo.ogr 1.7.2 (minimum)"
+t = timeit.Timer(
+    stmt=s,
+    setup='from __main__ import ogr, PATH, NAME'
+    )
+print "%.2f usec/pass" % (1000000 * t.timeit(number=1000)/1000)
+
diff --git a/docs/Makefile b/docs/Makefile
new file mode 100644
index 0000000..81081c4
--- /dev/null
+++ b/docs/Makefile
@@ -0,0 +1,158 @@
+# Makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line.
+SPHINXOPTS    =
+SPHINXBUILD   = sphinx-build
+PAPER         =
+BUILDDIR      = _build
+
+# Internal variables.
+PAPEROPT_a4     = -D latex_paper_size=a4
+PAPEROPT_letter = -D latex_paper_size=letter
+ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
+# the i18n builder cannot share the environment and doctrees with the others
+I18NSPHINXOPTS  = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
+
+.PHONY: help clean html dirhtml singlehtml pickle json htmlhelp qthelp devhelp epub latex latexpdf text man changes linkcheck doctest gettext
+
+help:
+	@echo "Please use \`make <target>' where <target> is one of"
+	@echo "  html       to make standalone HTML files"
+	@echo "  dirhtml    to make HTML files named index.html in directories"
+	@echo "  singlehtml to make a single large HTML file"
+	@echo "  pickle     to make pickle files"
+	@echo "  json       to make JSON files"
+	@echo "  htmlhelp   to make HTML files and a HTML help project"
+	@echo "  qthelp     to make HTML files and a qthelp project"
+	@echo "  devhelp    to make HTML files and a Devhelp project"
+	@echo "  epub       to make an epub"
+	@echo "  latex      to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
+	@echo "  latexpdf   to make LaTeX files and run them through pdflatex"
+	@echo "  text       to make text files"
+	@echo "  man        to make manual pages"
+	@echo "  texinfo    to make Texinfo files"
+	@echo "  info       to make Texinfo files and run them through makeinfo"
+	@echo "  gettext    to make PO message catalogs"
+	@echo "  changes    to make an overview of all changed/added/deprecated items"
+	@echo "  linkcheck  to check all external links for integrity"
+	@echo "  doctest    to run all doctests embedded in the documentation (if enabled)"
+
+clean:
+	-rm -rf $(BUILDDIR)/*
+
+html:
+	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
+	@echo
+	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
+
+dirhtml:
+	$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
+	@echo
+	@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
+
+singlehtml:
+	$(SPHINXBUILD) -b singlehtml $(ALLSPHINXOPTS) $(BUILDDIR)/singlehtml
+	@echo
+	@echo "Build finished. The HTML page is in $(BUILDDIR)/singlehtml."
+
+pickle:
+	$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
+	@echo
+	@echo "Build finished; now you can process the pickle files."
+
+json:
+	$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
+	@echo
+	@echo "Build finished; now you can process the JSON files."
+
+htmlhelp:
+	$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
+	@echo
+	@echo "Build finished; now you can run HTML Help Workshop with the" \
+	      ".hhp project file in $(BUILDDIR)/htmlhelp."
+
+qthelp:
+	$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
+	@echo
+	@echo "Build finished; now you can run "qcollectiongenerator" with the" \
+	      ".qhcp project file in $(BUILDDIR)/qthelp, like this:"
+	@echo "# qcollectiongenerator $(BUILDDIR)/qthelp/Fiona.qhcp"
+	@echo "To view the help file:"
+	@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/Fiona.qhc"
+
+devhelp:
+	$(SPHINXBUILD) -b devhelp $(ALLSPHINXOPTS) $(BUILDDIR)/devhelp
+	@echo
+	@echo "Build finished."
+	@echo "To view the help file:"
+	@echo "# mkdir -p $$HOME/.local/share/devhelp/Fiona"
+	@echo "# ln -s $(BUILDDIR)/devhelp $$HOME/.local/share/devhelp/Fiona"
+	@echo "# devhelp"
+
+epub:
+	$(SPHINXBUILD) -b epub $(ALLSPHINXOPTS) $(BUILDDIR)/epub
+	@echo
+	@echo "Build finished. The epub file is in $(BUILDDIR)/epub."
+
+latex:
+	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
+	@echo
+	@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
+	@echo "Run \`make' in that directory to run these through (pdf)latex" \
+	      "(use \`make latexpdf' here to do that automatically)."
+
+latexpdf:
+	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
+	@echo "Running LaTeX files through pdflatex..."
+	$(MAKE) -C $(BUILDDIR)/latex all-pdf
+	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
+
+text:
+	$(SPHINXBUILD) -b text $(ALLSPHINXOPTS) $(BUILDDIR)/text
+	@echo
+	@echo "Build finished. The text files are in $(BUILDDIR)/text."
+
+man:
+	$(SPHINXBUILD) -b man $(ALLSPHINXOPTS) $(BUILDDIR)/man
+	@echo
+	@echo "Build finished. The manual pages are in $(BUILDDIR)/man."
+
+texinfo:
+	$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
+	@echo
+	@echo "Build finished. The Texinfo files are in $(BUILDDIR)/texinfo."
+	@echo "Run \`make' in that directory to run these through makeinfo" \
+	      "(use \`make info' here to do that automatically)."
+
+info:
+	$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
+	@echo "Running Texinfo files through makeinfo..."
+	make -C $(BUILDDIR)/texinfo info
+	@echo "makeinfo finished; the Info files are in $(BUILDDIR)/texinfo."
+
+gettext:
+	$(SPHINXBUILD) -b gettext $(I18NSPHINXOPTS) $(BUILDDIR)/locale
+	@echo
+	@echo "Build finished. The message catalogs are in $(BUILDDIR)/locale."
+
+changes:
+	$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
+	@echo
+	@echo "The overview file is in $(BUILDDIR)/changes."
+
+linkcheck:
+	$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck
+	@echo
+	@echo "Link check complete; look for any errors in the above output " \
+	      "or in $(BUILDDIR)/linkcheck/output.txt."
+
+doctest:
+	$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
+	@echo "Testing of doctests in the sources finished, look at the " \
+	      "results in $(BUILDDIR)/doctest/output.txt."
+
+apidocs:
+	sphinx-apidoc -f -o . ../src/fiona
+	@echo
+	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
diff --git a/docs/conf.py b/docs/conf.py
new file mode 100644
index 0000000..3c7fa17
--- /dev/null
+++ b/docs/conf.py
@@ -0,0 +1,287 @@
+# -*- coding: utf-8 -*-
+#
+# Fiona documentation build configuration file, created by
+# sphinx-quickstart on Mon Dec 26 12:16:26 2011.
+#
+# This file is execfile()d with the current directory set to its containing dir.
+#
+# Note that not all possible configuration values are present in this
+# autogenerated file.
+#
+# All configuration values have a default; values that are commented out
+# serve to show the default.
+
+import fiona
+import sys, os
+
+# If extensions (or modules to document with autodoc) are in another directory,
+# add these directories to sys.path here. If the directory is relative to the
+# documentation root, use os.path.abspath to make it absolute, like shown here.
+#sys.path.insert(0, os.path.abspath('.'))
+
+# -- General configuration -----------------------------------------------------
+
+# If your documentation needs a minimal Sphinx version, state it here.
+#needs_sphinx = '1.0'
+
+# Add any Sphinx extension module names here, as strings. They can be extensions
+# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
+extensions = ['sphinx.ext.autodoc']
+
+# Add any paths that contain templates here, relative to this directory.
+templates_path = ['_templates']
+
+# The suffix of source filenames.
+source_suffix = '.rst'
+
+# The encoding of source files.
+#source_encoding = 'utf-8-sig'
+
+# The master toctree document.
+master_doc = 'index'
+
+# General information about the project.
+project = u'Fiona'
+copyright = u'2011, Sean Gillies'
+
+# The version info for the project you're documenting, acts as replacement for
+# |version| and |release|, also used in various other places throughout the
+# built documents.
+#
+# The short X.Y version.
+version = fiona.__version__
+# The full version, including alpha/beta/rc tags.
+release = fiona.__version__
+
+# The language for content autogenerated by Sphinx. Refer to documentation
+# for a list of supported languages.
+#language = None
+
+# There are two options for replacing |today|: either, you set today to some
+# non-false value, then it is used:
+#today = ''
+# Else, today_fmt is used as the format for a strftime call.
+#today_fmt = '%B %d, %Y'
+
+# List of patterns, relative to source directory, that match files and
+# directories to ignore when looking for source files.
+exclude_patterns = ['_build']
+
+# The reST default role (used for this markup: `text`) to use for all documents.
+#default_role = None
+
+# If true, '()' will be appended to :func: etc. cross-reference text.
+#add_function_parentheses = True
+
+# If true, the current module name will be prepended to all description
+# unit titles (such as .. function::).
+#add_module_names = True
+
+# If true, sectionauthor and moduleauthor directives will be shown in the
+# output. They are ignored by default.
+#show_authors = False
+
+# The name of the Pygments (syntax highlighting) style to use.
+pygments_style = 'sphinx'
+
+# A list of ignored prefixes for module index sorting.
+#modindex_common_prefix = []
+
+
+# -- Options for HTML output ---------------------------------------------------
+
+# The theme to use for HTML and HTML Help pages.  See the documentation for
+# a list of builtin themes.
+#html_theme = 'default'
+html_theme = 'sphinxdoc'
+
+# Theme options are theme-specific and customize the look and feel of a theme
+# further.  For a list of options available for each theme, see the
+# documentation.
+#html_theme_options = {}
+
+# Add any paths that contain custom themes here, relative to this directory.
+#html_theme_path = []
+
+# The name for this set of Sphinx documents.  If None, it defaults to
+# "<project> v<release> documentation".
+#html_title = None
+
+# A shorter title for the navigation bar.  Default is the same as html_title.
+#html_short_title = None
+
+# The name of an image file (relative to this directory) to place at the top
+# of the sidebar.
+#html_logo = None
+
+# The name of an image file (within the static path) to use as favicon of the
+# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
+# pixels large.
+#html_favicon = None
+
+# Add any paths that contain custom static files (such as style sheets) here,
+# relative to this directory. They are copied after the builtin static files,
+# so a file named "default.css" will overwrite the builtin "default.css".
+html_static_path = ['_static']
+
+# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
+# using the given strftime format.
+#html_last_updated_fmt = '%b %d, %Y'
+
+# If true, SmartyPants will be used to convert quotes and dashes to
+# typographically correct entities.
+#html_use_smartypants = True
+
+# Custom sidebar templates, maps document names to template names.
+#html_sidebars = {}
+
+# Additional templates that should be rendered to pages, maps page names to
+# template names.
+#html_additional_pages = {}
+
+# If false, no module index is generated.
+#html_domain_indices = True
+
+# If false, no index is generated.
+#html_use_index = True
+
+# If true, the index is split into individual pages for each letter.
+#html_split_index = False
+
+# If true, links to the reST sources are added to the pages.
+#html_show_sourcelink = True
+
+# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
+#html_show_sphinx = True
+
+# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
+#html_show_copyright = True
+
+# If true, an OpenSearch description file will be output, and all pages will
+# contain a <link> tag referring to it.  The value of this option must be the
+# base URL from which the finished HTML is served.
+#html_use_opensearch = ''
+
+# This is the file name suffix for HTML files (e.g. ".xhtml").
+#html_file_suffix = None
+
+# Output file base name for HTML help builder.
+htmlhelp_basename = 'Fionadoc'
+
+
+# -- Options for LaTeX output --------------------------------------------------
+
+latex_elements = {
+# The paper size ('letterpaper' or 'a4paper').
+#'papersize': 'letterpaper',
+
+# The font size ('10pt', '11pt' or '12pt').
+#'pointsize': '10pt',
+
+# Additional stuff for the LaTeX preamble.
+#'preamble': '',
+}
+
+# Grouping the document tree into LaTeX files. List of tuples
+# (source start file, target name, title, author, documentclass [howto/manual]).
+latex_documents = [
+  ('index', 'Fiona.tex', u'Fiona Documentation',
+   u'Sean Gillies', 'manual'),
+]
+
+# The name of an image file (relative to this directory) to place at the top of
+# the title page.
+#latex_logo = None
+
+# For "manual" documents, if this is true, then toplevel headings are parts,
+# not chapters.
+#latex_use_parts = False
+
+# If true, show page references after internal links.
+#latex_show_pagerefs = False
+
+# If true, show URL addresses after external links.
+#latex_show_urls = False
+
+# Documents to append as an appendix to all manuals.
+#latex_appendices = []
+
+# If false, no module index is generated.
+#latex_domain_indices = True
+
+
+# -- Options for manual page output --------------------------------------------
+
+# One entry per manual page. List of tuples
+# (source start file, name, description, authors, manual section).
+man_pages = [
+    ('index', 'fiona', u'Fiona Documentation',
+     [u'Sean Gillies'], 1)
+]
+
+# If true, show URL addresses after external links.
+#man_show_urls = False
+
+
+# -- Options for Texinfo output ------------------------------------------------
+
+# Grouping the document tree into Texinfo files. List of tuples
+# (source start file, target name, title, author,
+#  dir menu entry, description, category)
+texinfo_documents = [
+  ('index', 'Fiona', u'Fiona Documentation',
+   u'Sean Gillies', 'Fiona', 'One line description of project.',
+   'Miscellaneous'),
+]
+
+# Documents to append as an appendix to all manuals.
+#texinfo_appendices = []
+
+# If false, no module index is generated.
+#texinfo_domain_indices = True
+
+# How to display URL addresses: 'footnote', 'no', or 'inline'.
+#texinfo_show_urls = 'footnote'
+
+
+# -- Options for Epub output ---------------------------------------------------
+
+# Bibliographic Dublin Core info.
+epub_title = u'Fiona'
+epub_author = u'Sean Gillies'
+epub_publisher = u'Sean Gillies'
+epub_copyright = u'2011, Sean Gillies'
+
+# The language of the text. It defaults to the language option
+# or en if the language is not set.
+#epub_language = ''
+
+# The scheme of the identifier. Typical schemes are ISBN or URL.
+#epub_scheme = ''
+
+# The unique identifier of the text. This can be a ISBN number
+# or the project homepage.
+#epub_identifier = ''
+
+# A unique identification for the text.
+#epub_uid = ''
+
+# A tuple containing the cover image and cover page html template filenames.
+#epub_cover = ()
+
+# HTML files that should be inserted before the pages created by sphinx.
+# The format is a list of tuples containing the path and title.
+#epub_pre_files = []
+
+# HTML files shat should be inserted after the pages created by sphinx.
+# The format is a list of tuples containing the path and title.
+#epub_post_files = []
+
+# A list of files that should not be packed into the epub file.
+#epub_exclude_files = []
+
+# The depth of the table of contents in toc.ncx.
+#epub_tocdepth = 3
+
+# Allow duplicate toc entries.
+#epub_tocdup = True
diff --git a/docs/data/test_uk.gpkg b/docs/data/test_uk.gpkg
new file mode 100644
index 0000000..f732f47
Binary files /dev/null and b/docs/data/test_uk.gpkg differ
diff --git a/examples/open.py b/examples/open.py
new file mode 100644
index 0000000..82e5222
--- /dev/null
+++ b/examples/open.py
@@ -0,0 +1,86 @@
+
+import fiona
+
+# This module contains examples of opening files to get feature collections in
+# different ways.
+#
+# It is meant to be run from the distribution root, the directory containing
+# setup.py.
+#
+# A ``path`` is always the ``open()`` function's first argument. It can be
+# absolute or relative to the working directory. It is the only positional
+# argument, though it is conventional to use the mode as a 2nd positional
+# argument.
+
+# 1. Opening a file with a single data layer (shapefiles, etc).
+#
+# args: path, mode
+# kwds: none
+#
+# The relative path to a file on the filesystem is given and its single layer
+# is selected implicitly (a shapefile has a single layer). The file is opened
+# for reading (mode 'r'), but since this is the default, we'll omit it in
+# following examples.
+
+with fiona.open('docs/data/test_uk.shp', 'r') as c:
+    assert len(c) == 48
+
+# 2. Opening a file with explicit layer selection (FileGDB, etc).
+#
+# args: path
+# kwds: layer
+#
+# Same as above but layer specified explicitly by name..
+
+with fiona.open('docs/data/test_uk.shp', layer='test_uk') as c:
+    assert len(c) == 48
+
+# 3. Opening a directory for access to a single file.
+#
+# args: path
+# kwds: layer
+#
+# Same as above but using the path to the directory containing the shapefile,
+# specified explicitly by name.
+
+with fiona.open('docs/data', layer='test_uk') as c:
+    assert len(c) == 48
+
+# 4. Opening a single file within a zip archive.
+#
+# args: path
+# kwds: vfs
+#
+# Open a file given its absolute path within a virtual filesystem. The VFS
+# is given an Apache Commons VFS identifier. It may contain either an absolute
+# path or a path relative to the working directory.
+#
+# Example archive:
+#
+# $ unzip -l docs/data/test_uk.zip
+# Archive:  docs/data/test_uk.zip
+#   Length     Date   Time    Name
+#  --------    ----   ----    ----
+#     10129  04-08-13 20:49   test_uk.dbf
+#       143  04-08-13 20:49   test_uk.prj
+#     65156  04-08-13 20:49   test_uk.shp
+#       484  04-08-13 20:49   test_uk.shx
+#  --------                   -------
+#     75912                   4 files
+
+with fiona.open('/test_uk.shp', vfs='zip://docs/data/test_uk.zip') as c:
+    assert len(c) == 48
+
+# 5. Opening a directory within a zip archive to select a layer.
+#
+# args: path
+# kwds: layer, vfs
+#
+# The most complicated case. As above, but specifying the root directory within
+# the virtual filesystem as the path and the layer by name (combination of
+# 4 and 3). It ought to be possible to open a file geodatabase within a zip
+# file like this.
+
+with fiona.open('/', layer='test_uk', vfs='zip://docs/data/test_uk.zip') as c:
+    assert len(c) == 48
+
diff --git a/examples/orient-ccw.py b/examples/orient-ccw.py
new file mode 100644
index 0000000..2dfb70d
--- /dev/null
+++ b/examples/orient-ccw.py
@@ -0,0 +1,65 @@
+# An example of flipping feature polygons right side up.
+
+import datetime
+import logging
+import sys
+
+import fiona
+
+
+logging.basicConfig(stream=sys.stderr, level=logging.INFO)
+
+def signed_area(coords):
+    """Return the signed area enclosed by a ring using the linear time
+    algorithm at http://www.cgafaq.info/wiki/Polygon_Area. A value >= 0
+    indicates a counter-clockwise oriented ring.
+    """
+    xs, ys = map(list, zip(*coords))
+    xs.append(xs[1])
+    ys.append(ys[1]) 
+    return sum(xs[i]*(ys[i+1]-ys[i-1]) for i in range(1, len(coords)))/2.0
+
+
+with fiona.open('docs/data/test_uk.shp', 'r') as source:
+    
+    # Copy the source schema and add two new properties.
+    schema = source.schema.copy()
+    schema['properties']['s_area'] = 'float'
+    schema['properties']['timestamp'] = 'str'
+    
+    # Create a sink for processed features with the same format and 
+    # coordinate reference system as the source.
+    with fiona.open(
+            'oriented-ccw.shp', 'w',
+            driver=source.driver,
+            schema=schema,
+            crs=source.crs
+            ) as sink:
+        
+        for f in source:
+            
+            try:
+
+                # If any feature's polygon is facing "down" (has rings
+                # wound clockwise), its rings will be reordered to flip
+                # it "up".
+                g = f['geometry']
+                assert g['type'] == 'Polygon'
+                rings = g['coordinates']
+                sa = sum(signed_area(r) for r in rings)
+                if sa < 0.0:
+                    rings = [r[::-1] for r in rings]
+                    g['coordinates'] = rings
+                    f['geometry'] = g
+
+                # Add the signed area of the polygon and a timestamp
+                # to the feature properties map.
+                f['properties'].update(
+                    s_area=sa,
+                    timestamp=datetime.datetime.now().isoformat() )
+
+                sink.write(f)
+            
+            except Exception, e:
+                logging.exception("Error processing feature %s:", f['id'])
+
diff --git a/examples/with-descartes-functional.py b/examples/with-descartes-functional.py
new file mode 100644
index 0000000..6474c53
--- /dev/null
+++ b/examples/with-descartes-functional.py
@@ -0,0 +1,21 @@
+# Making maps with reduce()
+
+from matplotlib import pyplot
+from descartes import PolygonPatch
+import fiona
+
+BLUE = '#6699cc'
+
+def render(fig, rec):
+    """Given matplotlib axes and a record, adds the record as a patch
+    and returns the axes so that reduce() can accumulate more
+    patches."""
+    fig.gca().add_patch(
+        PolygonPatch(rec['geometry'], fc=BLUE, ec=BLUE, alpha=0.5, zorder=2))
+    return fig
+
+with fiona.open('docs/data/test_uk.shp', 'r') as source:
+    fig = reduce(render, source, pyplot.figure(figsize=(8, 8)))
+    fig.gca().autoscale(tight=False)
+    fig.savefig('with-descartes-functional.png')
+
diff --git a/examples/with-descartes.py b/examples/with-descartes.py
new file mode 100644
index 0000000..adf9522
--- /dev/null
+++ b/examples/with-descartes.py
@@ -0,0 +1,30 @@
+
+import subprocess
+
+from matplotlib import pyplot
+from descartes import PolygonPatch
+
+import fiona
+
+# Set up the figure and axes.
+BLUE = '#6699cc'
+fig = pyplot.figure(1, figsize=(6, 6), dpi=90)
+ax = fig.add_subplot(111)
+
+with fiona.drivers():
+
+    # For each feature in the collection, add a patch to the axes.
+    with fiona.open('docs/data/test_uk.shp', 'r') as input:
+        for f in input:
+            ax.add_patch(
+                PolygonPatch(
+                    f['geometry'], fc=BLUE, ec=BLUE, alpha=0.5, zorder=2 ))
+
+# Should be able to get extents from the collection in a future version
+# of Fiona.
+ax.set_xlim(-9.25, 2.75)
+ax.set_ylim(49.5, 61.5)
+
+fig.savefig('test_uk.png')
+
+subprocess.call(['open', 'test_uk.png'])
diff --git a/examples/with-pyproj.py b/examples/with-pyproj.py
new file mode 100644
index 0000000..57460f1
--- /dev/null
+++ b/examples/with-pyproj.py
@@ -0,0 +1,41 @@
+
+import logging
+import sys
+
+from pyproj import Proj, transform
+
+import fiona
+from fiona.crs import from_epsg
+
+logging.basicConfig(stream=sys.stderr, level=logging.INFO)
+
+with fiona.open('docs/data/test_uk.shp', 'r') as source:
+    
+    sink_schema = source.schema.copy()
+    p_in = Proj(source.crs)
+
+    with fiona.open(
+            'with-pyproj.shp', 'w',
+            crs=from_epsg(27700),
+            driver=source.driver,
+            schema=sink_schema,
+            ) as sink:
+        
+        p_out = Proj(sink.crs)
+
+        for f in source:
+            
+            try:
+                assert f['geometry']['type'] == "Polygon"
+                new_coords = []
+                for ring in f['geometry']['coordinates']:
+                    x2, y2 = transform(p_in, p_out, *zip(*ring))
+                    new_coords.append(zip(x2, y2))
+                f['geometry']['coordinates'] = new_coords
+                sink.write(f)
+            
+            except Exception, e:
+                # Writing uncleanable features to a different shapefile
+                # is another option.
+                logging.exception("Error transforming feature %s:", f['id'])
+
diff --git a/examples/with-shapely.py b/examples/with-shapely.py
new file mode 100644
index 0000000..f22c7f9
--- /dev/null
+++ b/examples/with-shapely.py
@@ -0,0 +1,35 @@
+
+import logging
+import sys
+
+from shapely.geometry import mapping, shape
+
+import fiona
+
+logging.basicConfig(stream=sys.stderr, level=logging.INFO)
+
+with fiona.open('docs/data/test_uk.shp', 'r') as source:
+    
+    # **source.meta is a shortcut to get the crs, driver, and schema
+    # keyword arguments from the source Collection.
+    with fiona.open(
+            'with-shapely.shp', 'w',
+            **source.meta) as sink:
+        
+        for f in source:
+            
+            try:
+                geom = shape(f['geometry'])
+                if not geom.is_valid:
+                    clean = geom.buffer(0.0)
+                    assert clean.is_valid
+                    assert clean.geom_type == 'Polygon'
+                    geom = clean
+                f['geometry'] = mapping(geom)
+                sink.write(f)
+            
+            except Exception, e:
+                # Writing uncleanable features to a different shapefile
+                # is another option.
+                logging.exception("Error cleaning feature %s:", f['id'])
+
diff --git a/fiona/__init__.py b/fiona/__init__.py
index 829be19..20ea1c2 100644
--- a/fiona/__init__.py
+++ b/fiona/__init__.py
@@ -63,7 +63,7 @@ writing modes) flush contents to disk when their ``with`` blocks end.
 """
 
 __all__ = ['bounds', 'listlayers', 'open', 'prop_type', 'prop_width']
-__version__ = "1.4.6"
+__version__ = "1.4.7"
 
 import logging
 import os
diff --git a/fiona/_drivers.c b/fiona/_drivers.c
deleted file mode 100644
index 1159d6d..0000000
--- a/fiona/_drivers.c
+++ /dev/null
@@ -1,4561 +0,0 @@
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-#define CYTHON_USE_PYLONG_INTERNALS 1
-#else
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#endif
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-#endif
-#include "Python.h"
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-    #error Python headers needed to compile C extensions, please install development version of Python.
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-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                if (PyObject_IsSubclass(instance_class, type)) {
-                    type = instance_class;
-                } else {
-                    instance_class = NULL;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-#if PY_VERSION_HEX >= 0x03030000
-    if (cause) {
-#else
-    if (cause && cause != Py_None) {
-#endif
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-        PyThreadState *tstate = PyThreadState_GET();
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
-#endif
-
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
-                 index, (index == 1) ? "" : "s");
-}
-
-static CYTHON_INLINE int __Pyx_IterFinish(void) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    PyObject* exc_type = tstate->curexc_type;
-    if (unlikely(exc_type)) {
-        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
-            PyObject *exc_value, *exc_tb;
-            exc_value = tstate->curexc_value;
-            exc_tb = tstate->curexc_traceback;
-            tstate->curexc_type = 0;
-            tstate->curexc_value = 0;
-            tstate->curexc_traceback = 0;
-            Py_DECREF(exc_type);
-            Py_XDECREF(exc_value);
-            Py_XDECREF(exc_tb);
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#else
-    if (unlikely(PyErr_Occurred())) {
-        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
-            PyErr_Clear();
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#endif
-}
-
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else {
-        return __Pyx_IterFinish();
-    }
-    return 0;
-}
-
-static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
-    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
-    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-        PyErr_Format(PyExc_ImportError,
-        #if PY_MAJOR_VERSION < 3
-            "cannot import name %.230s", PyString_AS_STRING(name));
-        #else
-            "cannot import name %S", name);
-        #endif
-    }
-    return value;
-}
-
-static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) {
-    Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases);
-    for (i=0; i < nbases; i++) {
-        PyTypeObject *tmptype;
-        PyObject *tmp = PyTuple_GET_ITEM(bases, i);
-        tmptype = Py_TYPE(tmp);
-#if PY_MAJOR_VERSION < 3
-        if (tmptype == &PyClass_Type)
-            continue;
-#endif
-        if (!metaclass) {
-            metaclass = tmptype;
-            continue;
-        }
-        if (PyType_IsSubtype(metaclass, tmptype))
-            continue;
-        if (PyType_IsSubtype(tmptype, metaclass)) {
-            metaclass = tmptype;
-            continue;
-        }
-        PyErr_SetString(PyExc_TypeError,
-                        "metaclass conflict: "
-                        "the metaclass of a derived class "
-                        "must be a (non-strict) subclass "
-                        "of the metaclasses of all its bases");
-        return NULL;
-    }
-    if (!metaclass) {
-#if PY_MAJOR_VERSION < 3
-        metaclass = &PyClass_Type;
-#else
-        metaclass = &PyType_Type;
-#endif
-    }
-    Py_INCREF((PyObject*) metaclass);
-    return (PyObject*) metaclass;
-}
-
-static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
-    PyObject* fake_module;
-    PyTypeObject* cached_type = NULL;
-    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
-    if (!fake_module) return NULL;
-    Py_INCREF(fake_module);
-    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
-    if (cached_type) {
-        if (!PyType_Check((PyObject*)cached_type)) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s is not a type object",
-                type->tp_name);
-            goto bad;
-        }
-        if (cached_type->tp_basicsize != type->tp_basicsize) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s has the wrong size, try recompiling",
-                type->tp_name);
-            goto bad;
-        }
-    } else {
-        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
-        PyErr_Clear();
-        if (PyType_Ready(type) < 0) goto bad;
-        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
-            goto bad;
-        Py_INCREF(type);
-        cached_type = type;
-    }
-done:
-    Py_DECREF(fake_module);
-    return cached_type;
-bad:
-    Py_XDECREF(cached_type);
-    cached_type = NULL;
-    goto done;
-}
-
-static PyObject *
-__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
-{
-    if (unlikely(op->func_doc == NULL)) {
-        if (op->func.m_ml->ml_doc) {
-#if PY_MAJOR_VERSION >= 3
-            op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc);
-#else
-            op->func_doc = PyString_FromString(op->func.m_ml->ml_doc);
-#endif
-            if (unlikely(op->func_doc == NULL))
-                return NULL;
-        } else {
-            Py_INCREF(Py_None);
-            return Py_None;
-        }
-    }
-    Py_INCREF(op->func_doc);
-    return op->func_doc;
-}
-static int
-__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp = op->func_doc;
-    if (value == NULL) {
-        value = Py_None;
-    }
-    Py_INCREF(value);
-    op->func_doc = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_name == NULL)) {
-#if PY_MAJOR_VERSION >= 3
-        op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name);
-#else
-        op->func_name = PyString_InternFromString(op->func.m_ml->ml_name);
-#endif
-        if (unlikely(op->func_name == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_name);
-    return op->func_name;
-}
-static int
-__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__name__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_name;
-    Py_INCREF(value);
-    op->func_name = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_qualname);
-    return op->func_qualname;
-}
-static int
-__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__qualname__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_qualname;
-    Py_INCREF(value);
-    op->func_qualname = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure)
-{
-    PyObject *self;
-    self = m->func_closure;
-    if (self == NULL)
-        self = Py_None;
-    Py_INCREF(self);
-    return self;
-}
-static PyObject *
-__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_dict == NULL)) {
-        op->func_dict = PyDict_New();
-        if (unlikely(op->func_dict == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_dict);
-    return op->func_dict;
-}
-static int
-__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-    if (unlikely(value == NULL)) {
-        PyErr_SetString(PyExc_TypeError,
-               "function's dictionary may not be deleted");
-        return -1;
-    }
-    if (unlikely(!PyDict_Check(value))) {
-        PyErr_SetString(PyExc_TypeError,
-               "setting function's dictionary to a non-dict");
-        return -1;
-    }
-    tmp = op->func_dict;
-    Py_INCREF(value);
-    op->func_dict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_globals);
-    return op->func_globals;
-}
-static PyObject *
-__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op)
-{
-    Py_INCREF(Py_None);
-    return Py_None;
-}
-static PyObject *
-__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op)
-{
-    PyObject* result = (op->func_code) ? op->func_code : Py_None;
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
-    PyObject *res = op->defaults_getter((PyObject *) op);
-    if (unlikely(!res))
-        return -1;
-    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
-    Py_INCREF(op->defaults_tuple);
-    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
-    Py_INCREF(op->defaults_kwdict);
-    Py_DECREF(res);
-    return 0;
-}
-static int
-__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyTuple_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__defaults__ must be set to a tuple object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_tuple;
-    op->defaults_tuple = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_tuple;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_tuple;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__kwdefaults__ must be set to a dict object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_kwdict;
-    op->defaults_kwdict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_kwdict;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_kwdict;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value || value == Py_None) {
-        value = NULL;
-    } else if (!PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__annotations__ must be set to a dict object");
-        return -1;
-    }
-    Py_XINCREF(value);
-    tmp = op->func_annotations;
-    op->func_annotations = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->func_annotations;
-    if (unlikely(!result)) {
-        result = PyDict_New();
-        if (unlikely(!result)) return NULL;
-        op->func_annotations = result;
-    }
-    Py_INCREF(result);
-    return result;
-}
-static PyGetSetDef __pyx_CyFunction_getsets[] = {
-    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
-    {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0},
-    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
-    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
-    {0, 0, 0, 0, 0}
-};
-#ifndef PY_WRITE_RESTRICTED
-#define PY_WRITE_RESTRICTED WRITE_RESTRICTED
-#endif
-static PyMemberDef __pyx_CyFunction_members[] = {
-    {(char *) "__module__", T_OBJECT, offsetof(__pyx_CyFunctionObject, func.m_module), PY_WRITE_RESTRICTED, 0},
-    {0, 0, 0,  0, 0}
-};
-static PyObject *
-__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromString(m->func.m_ml->ml_name);
-#else
-    return PyString_FromString(m->func.m_ml->ml_name);
-#endif
-}
-static PyMethodDef __pyx_CyFunction_methods[] = {
-    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
-    {0, 0, 0, 0}
-};
-#if PY_VERSION_HEX < 0x030500A0
-#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
-#else
-#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func.m_weakreflist)
-#endif
-static PyObject *__Pyx_CyFunction_New(PyTypeObject *type, PyMethodDef *ml, int flags, PyObject* qualname,
-                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
-    __pyx_CyFunctionObject *op = PyObject_GC_New(__pyx_CyFunctionObject, type);
-    if (op == NULL)
-        return NULL;
-    op->flags = flags;
-    __Pyx_CyFunction_weakreflist(op) = NULL;
-    op->func.m_ml = ml;
-    op->func.m_self = (PyObject *) op;
-    Py_XINCREF(closure);
-    op->func_closure = closure;
-    Py_XINCREF(module);
-    op->func.m_module = module;
-    op->func_dict = NULL;
-    op->func_name = NULL;
-    Py_INCREF(qualname);
-    op->func_qualname = qualname;
-    op->func_doc = NULL;
-    op->func_classobj = NULL;
-    op->func_globals = globals;
-    Py_INCREF(op->func_globals);
-    Py_XINCREF(code);
-    op->func_code = code;
-    op->defaults_pyobjects = 0;
-    op->defaults = NULL;
-    op->defaults_tuple = NULL;
-    op->defaults_kwdict = NULL;
-    op->defaults_getter = NULL;
-    op->func_annotations = NULL;
-    PyObject_GC_Track(op);
-    return (PyObject *) op;
-}
-static int
-__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
-{
-    Py_CLEAR(m->func_closure);
-    Py_CLEAR(m->func.m_module);
-    Py_CLEAR(m->func_dict);
-    Py_CLEAR(m->func_name);
-    Py_CLEAR(m->func_qualname);
-    Py_CLEAR(m->func_doc);
-    Py_CLEAR(m->func_globals);
-    Py_CLEAR(m->func_code);
-    Py_CLEAR(m->func_classobj);
-    Py_CLEAR(m->defaults_tuple);
-    Py_CLEAR(m->defaults_kwdict);
-    Py_CLEAR(m->func_annotations);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_XDECREF(pydefaults[i]);
-        PyMem_Free(m->defaults);
-        m->defaults = NULL;
-    }
-    return 0;
-}
-static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
-{
-    PyObject_GC_UnTrack(m);
-    if (__Pyx_CyFunction_weakreflist(m) != NULL)
-        PyObject_ClearWeakRefs((PyObject *) m);
-    __Pyx_CyFunction_clear(m);
-    PyObject_GC_Del(m);
-}
-static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
-{
-    Py_VISIT(m->func_closure);
-    Py_VISIT(m->func.m_module);
-    Py_VISIT(m->func_dict);
-    Py_VISIT(m->func_name);
-    Py_VISIT(m->func_qualname);
-    Py_VISIT(m->func_doc);
-    Py_VISIT(m->func_globals);
-    Py_VISIT(m->func_code);
-    Py_VISIT(m->func_classobj);
-    Py_VISIT(m->defaults_tuple);
-    Py_VISIT(m->defaults_kwdict);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_VISIT(pydefaults[i]);
-    }
-    return 0;
-}
-static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type)
-{
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) {
-        Py_INCREF(func);
-        return func;
-    }
-    if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) {
-        if (type == NULL)
-            type = (PyObject *)(Py_TYPE(obj));
-        return PyMethod_New(func,
-                            type, (PyObject *)(Py_TYPE(type)));
-    }
-    if (obj == Py_None)
-        obj = NULL;
-    return PyMethod_New(func, obj, type);
-}
-static PyObject*
-__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromFormat("<cyfunction %U at %p>",
-                                op->func_qualname, (void *)op);
-#else
-    return PyString_FromFormat("<cyfunction %s at %p>",
-                               PyString_AsString(op->func_qualname), (void *)op);
-#endif
-}
-#if CYTHON_COMPILING_IN_PYPY
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyCFunctionObject* f = (PyCFunctionObject*)func;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    Py_ssize_t size;
-    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
-    case METH_VARARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0)
-            return (*meth)(self, arg);
-        break;
-    case METH_VARARGS | METH_KEYWORDS:
-        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
-    case METH_NOARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 0)
-                return (*meth)(self, NULL);
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes no arguments (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    case METH_O:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 1)
-                return (*meth)(self, PyTuple_GET_ITEM(arg, 0));
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes exactly one argument (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    default:
-        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
-                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
-                        "longer supported!");
-        return NULL;
-    }
-    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
-                 f->m_ml->ml_name);
-    return NULL;
-}
-#else
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-	return PyCFunction_Call(func, arg, kw);
-}
-#endif
-static PyTypeObject __pyx_CyFunctionType_type = {
-    PyVarObject_HEAD_INIT(0, 0)
-    "cython_function_or_method",
-    sizeof(__pyx_CyFunctionObject),
-    0,
-    (destructor) __Pyx_CyFunction_dealloc,
-    0,
-    0,
-    0,
-#if PY_MAJOR_VERSION < 3
-    0,
-#else
-    0,
-#endif
-    (reprfunc) __Pyx_CyFunction_repr,
-    0,
-    0,
-    0,
-    0,
-    __Pyx_CyFunction_Call,
-    0,
-    0,
-    0,
-    0,
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
-    0,
-    (traverseproc) __Pyx_CyFunction_traverse,
-    (inquiry) __Pyx_CyFunction_clear,
-    0,
-#if PY_VERSION_HEX < 0x030500A0
-    offsetof(__pyx_CyFunctionObject, func_weakreflist),
-#else
-    offsetof(PyCFunctionObject, m_weakreflist),
-#endif
-    0,
-    0,
-    __pyx_CyFunction_methods,
-    __pyx_CyFunction_members,
-    __pyx_CyFunction_getsets,
-    0,
-    0,
-    __Pyx_CyFunction_descr_get,
-    0,
-    offsetof(__pyx_CyFunctionObject, func_dict),
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-#if PY_VERSION_HEX >= 0x030400a1
-    0,
-#endif
-};
-static int __Pyx_CyFunction_init(void) {
-#if !CYTHON_COMPILING_IN_PYPY
-    __pyx_CyFunctionType_type.tp_call = PyCFunction_Call;
-#endif
-    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
-    if (__pyx_CyFunctionType == NULL) {
-        return -1;
-    }
-    return 0;
-}
-static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults = PyMem_Malloc(size);
-    if (!m->defaults)
-        return PyErr_NoMemory();
-    memset(m->defaults, 0, size);
-    m->defaults_pyobjects = pyobjects;
-    return m->defaults;
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_tuple = tuple;
-    Py_INCREF(tuple);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_kwdict = dict;
-    Py_INCREF(dict);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->func_annotations = dict;
-    Py_INCREF(dict);
-}
-
-static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name,
-                                           PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) {
-    PyObject *ns;
-    if (metaclass) {
-        PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare);
-        if (prep) {
-            PyObject *pargs = PyTuple_Pack(2, name, bases);
-            if (unlikely(!pargs)) {
-                Py_DECREF(prep);
-                return NULL;
-            }
-            ns = PyObject_Call(prep, pargs, mkw);
-            Py_DECREF(prep);
-            Py_DECREF(pargs);
-        } else {
-            if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError)))
-                return NULL;
-            PyErr_Clear();
-            ns = PyDict_New();
-        }
-    } else {
-        ns = PyDict_New();
-    }
-    if (unlikely(!ns))
-        return NULL;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad;
-    if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad;
-    return ns;
-bad:
-    Py_DECREF(ns);
-    return NULL;
-}
-static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases,
-                                      PyObject *dict, PyObject *mkw,
-                                      int calculate_metaclass, int allow_py2_metaclass) {
-    PyObject *result, *margs;
-    PyObject *owned_metaclass = NULL;
-    if (allow_py2_metaclass) {
-        owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass);
-        if (owned_metaclass) {
-            metaclass = owned_metaclass;
-        } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) {
-            PyErr_Clear();
-        } else {
-            return NULL;
-        }
-    }
-    if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) {
-        metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases);
-        Py_XDECREF(owned_metaclass);
-        if (unlikely(!metaclass))
-            return NULL;
-        owned_metaclass = metaclass;
-    }
-    margs = PyTuple_Pack(3, name, bases, dict);
-    if (unlikely(!margs)) {
-        result = NULL;
-    } else {
-        result = PyObject_Call(metaclass, margs, mkw);
-        Py_DECREF(margs);
-    }
-    Py_XDECREF(owned_metaclass);
-    return result;
-}
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,
-        0,
-        0,
-        0,
-        0,
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        __pyx_d,      /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_VERSION_HEX < 0x03030000
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if (strchr(__Pyx_MODULE_NAME, '.')) {
-                #if PY_VERSION_HEX < 0x03030000
-                PyObject *py_level = PyInt_FromLong(1);
-                if (!py_level)
-                    goto bad;
-                module = PyObject_CallFunctionObjArgs(py_import,
-                    name, global_dict, empty_dict, list, py_level, NULL);
-                Py_DECREF(py_level);
-                #else
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                #endif
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0;
-        }
-        #endif
-        if (!module) {
-            #if PY_VERSION_HEX < 0x03030000
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
-    }
-bad:
-    #if PY_VERSION_HEX < 0x03030000
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)       \
-    {                                                                     \
-        func_type value = func_value;                                     \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                if (is_unsigned && unlikely(value < zero))                \
-                    goto raise_neg_overflow;                              \
-                else                                                      \
-                    goto raise_overflow;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long, digit, ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong(x))
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong(x))
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +(((PyLongObject*)x)->ob_digit[0]));
-                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong(x))
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong(x))
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to long");
-    return (long) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to long");
-    return (long) -1;
-}
-
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int, digit, ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong(x))
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong(x))
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +(((PyLongObject*)x)->ob_digit[0]));
-                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong(x))
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong(x))
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to int");
-    return (int) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to int");
-    return (int) -1;
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        return PyErr_WarnEx(NULL, message, 1);
-    }
-    return 0;
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else
-        if (__Pyx_PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_LENGTH(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif
-#endif
-    } else
-#endif
-#if !CYTHON_COMPILING_IN_PYPY
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_MAJOR_VERSION < 3
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%.4s__ returned non-%.4s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b)))
-      return PyInt_AS_LONG(b);
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-     #if CYTHON_USE_PYLONG_INTERNALS
-       switch (Py_SIZE(b)) {
-       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
-       case  0: return 0;
-       case  1: return ((PyLongObject*)b)->ob_digit[0];
-       }
-     #endif
-    #endif
-    return PyLong_AsSsize_t(b);
-  }
-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-    return PyInt_FromSize_t(ival);
-}
-
-
-#endif /* Py_PYTHON_H */
diff --git a/fiona/_drivers.pyx b/fiona/_drivers.pyx
new file mode 100644
index 0000000..fbba3b8
--- /dev/null
+++ b/fiona/_drivers.pyx
@@ -0,0 +1,85 @@
+# The GDAL and OGR driver registry.
+# GDAL driver management.
+
+import logging
+
+from six import string_types
+
+cdef extern from "cpl_conv.h":
+    void    CPLFree (void *ptr)
+    void    CPLSetThreadLocalConfigOption (char *key, char *val)
+    const char * CPLGetConfigOption ( const char *key, const char *default)
+
+cdef extern from "cpl_error.h":
+    void    CPLSetErrorHandler (void *handler)
+
+cdef extern from "gdal.h":
+    void GDALAllRegister()
+    void GDALDestroyDriverManager()
+    int GDALGetDriverCount()
+
+
+cdef extern from "ogr_api.h":
+    void OGRRegisterAll()
+    void OGRCleanupAll()
+    int OGRGetDriverCount()
+    void * OGRGetDriver(int i)
+    void * OGRGetDriverByName(const char *pszName)
+
+log = logging.getLogger('Fiona')
+class NullHandler(logging.Handler):
+    def emit(self, record):
+        pass
+log.addHandler(NullHandler())
+
+code_map = {
+    0: 0, 
+    1: logging.DEBUG, 
+    2: logging.WARNING, 
+    3: logging.ERROR, 
+    4: logging.CRITICAL }
+
+cdef void * errorHandler(int eErrClass, int err_no, char *msg):
+    log.log(code_map[eErrClass], "OGR Error %s: %s", err_no, msg)
+
+
+def driver_count():
+    return GDALGetDriverCount() + OGRGetDriverCount()
+
+
+cdef class GDALEnv(object):
+    
+    cdef object is_chef
+    cdef object options
+
+    def __init__(self, is_chef=True, **options):
+        self.is_chef = is_chef
+        self.options = options.copy()
+
+    def __enter__(self):
+        cdef const char *key_c
+        cdef const char *val_c
+        CPLSetErrorHandler(<void *>errorHandler)
+        GDALAllRegister()
+        OGRRegisterAll()
+        if driver_count() == 0:
+            raise ValueError("Drivers not registered")
+        for key, val in self.options.items():
+            key_b = key.upper().encode('utf-8')
+            key_c = key_b
+            if isinstance(val, string_types):
+                val_b = val.encode('utf-8')
+            else:
+                val_b = ('ON' if val else 'OFF').encode('utf-8')
+            val_c = val_b
+            CPLSetThreadLocalConfigOption(key_c, val_c)
+            log.debug("Option %s=%s", key, CPLGetConfigOption(key_c, NULL))
+        return self
+
+    def __exit__(self, exc_type=None, exc_val=None, exc_tb=None):
+        cdef const char *key_c
+        for key in self.options:
+            key_b = key.upper().encode('utf-8')
+            key_c = key_b
+            CPLSetThreadLocalConfigOption(key_c, NULL)
+        CPLSetErrorHandler(NULL)
diff --git a/fiona/_err.c b/fiona/_err.c
deleted file mode 100644
index 773f604..0000000
--- a/fiona/_err.c
+++ /dev/null
@@ -1,2432 +0,0 @@
-/* Generated by Cython 0.21 */
-
-#define PY_SSIZE_T_CLEAN
-#ifndef CYTHON_USE_PYLONG_INTERNALS
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#else
-#include "pyconfig.h"
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 1
-#else
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#endif
-#endif
-#endif
-#include "Python.h"
-#ifndef Py_PYTHON_H
-    #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03020000)
-    #error Cython requires Python 2.6+ or Python 3.2+.
-#else
-#define CYTHON_ABI "0_21"
-#include <stddef.h>
-#ifndef offsetof
-#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
-#endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
-  #ifndef __stdcall
-    #define __stdcall
-  #endif
-  #ifndef __cdecl
-    #define __cdecl
-  #endif
-  #ifndef __fastcall
-    #define __fastcall
-  #endif
-#endif
-#ifndef DL_IMPORT
-  #define DL_IMPORT(t) t
-#endif
-#ifndef DL_EXPORT
-  #define DL_EXPORT(t) t
-#endif
-#ifndef PY_LONG_LONG
-  #define PY_LONG_LONG LONG_LONG
-#endif
-#ifndef Py_HUGE_VAL
-  #define Py_HUGE_VAL HUGE_VAL
-#endif
-#ifdef PYPY_VERSION
-#define CYTHON_COMPILING_IN_PYPY 1
-#define CYTHON_COMPILING_IN_CPYTHON 0
-#else
-#define CYTHON_COMPILING_IN_PYPY 0
-#define CYTHON_COMPILING_IN_CPYTHON 1
-#endif
-#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600
-#define Py_OptimizeFlag 0
-#endif
-#define __PYX_BUILD_PY_SSIZE_T "n"
-#define CYTHON_FORMAT_SSIZE_T "z"
-#if PY_MAJOR_VERSION < 3
-  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyClass_Type
-#else
-  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
-  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
-  #define __Pyx_DefaultClassType PyType_Type
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define Py_TPFLAGS_CHECKTYPES 0
-  #define Py_TPFLAGS_HAVE_INDEX 0
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
-#endif
-#if PY_VERSION_HEX < 0x030400a1 && !defined(Py_TPFLAGS_HAVE_FINALIZE)
-  #define Py_TPFLAGS_HAVE_FINALIZE 0
-#endif
-#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
-  #define CYTHON_PEP393_ENABLED 1
-  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
-                                              0 : _PyUnicode_Ready((PyObject *)(op)))
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
-  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
-  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
-#else
-  #define CYTHON_PEP393_ENABLED 0
-  #define __Pyx_PyUnicode_READY(op)       (0)
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
-  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
-#else
-  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
-      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
-#endif
-#define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
-#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
-#else
-  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBaseString_Type            PyUnicode_Type
-  #define PyStringObject               PyUnicodeObject
-  #define PyString_Type                PyUnicode_Type
-  #define PyString_Check               PyUnicode_Check
-  #define PyString_CheckExact          PyUnicode_CheckExact
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
-  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
-#else
-  #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
-  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
-#endif
-#ifndef PySet_CheckExact
-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
-#endif
-#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
-#if PY_MAJOR_VERSION >= 3
-  #define PyIntObject                  PyLongObject
-  #define PyInt_Type                   PyLong_Type
-  #define PyInt_Check(op)              PyLong_Check(op)
-  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
-  #define PyInt_FromString             PyLong_FromString
-  #define PyInt_FromUnicode            PyLong_FromUnicode
-  #define PyInt_FromLong               PyLong_FromLong
-  #define PyInt_FromSize_t             PyLong_FromSize_t
-  #define PyInt_FromSsize_t            PyLong_FromSsize_t
-  #define PyInt_AsLong                 PyLong_AsLong
-  #define PyInt_AS_LONG                PyLong_AS_LONG
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-    #define CYTHON_INLINE
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-  #if defined(__GNUC__)
-    #define CYTHON_RESTRICT __restrict__
-  #elif defined(_MSC_VER) && _MSC_VER >= 1400
-    #define CYTHON_RESTRICT __restrict
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_RESTRICT restrict
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-static CYTHON_INLINE float __PYX_NAN() {
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-#ifdef __cplusplus
-template<typename T>
-void __Pyx_call_destructor(T* x) {
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-
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
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-#     define CYTHON_UNUSED
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-# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
-#   define CYTHON_UNUSED __attribute__ ((__unused__))
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-#   define CYTHON_UNUSED
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-#endif
-typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
-                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;
-
-#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
-#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
-#define __PYX_DEFAULT_STRING_ENCODING ""
-#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
-#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (    \
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-    (sizeof(type) > sizeof(Py_ssize_t) &&               \
-          likely(v < (type)PY_SSIZE_T_MAX ||            \
-                 v == (type)PY_SSIZE_T_MAX)  &&         \
-          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||       \
-                                v == (type)PY_SSIZE_T_MIN)))  ||  \
-    (sizeof(type) == sizeof(Py_ssize_t) &&              \
-          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
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-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
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-{
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-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
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-    Py_DECREF(sys);
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-static void __Pyx_AddTraceback(const char *funcname, int c_line,
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-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
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-static int __Pyx_check_binary_version(void);
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-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
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-{
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
-}
-
-static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
-{
-    PyObject *key = 0, *value = 0;
-    Py_ssize_t pos = 0;
-    PyObject*** name;
-    PyObject*** first_kw_arg = argnames + num_pos_args;
-    while (PyDict_Next(kwds, &pos, &key, &value)) {
-        name = first_kw_arg;
-        while (*name && (**name != key)) name++;
-        if (*name) {
-            values[name-argnames] = value;
-            continue;
-        }
-        name = first_kw_arg;
-        #if PY_MAJOR_VERSION < 3
-        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
-            while (*name) {
-                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
-                        && _PyString_Eq(**name, key)) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    if ((**argname == key) || (
-                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
-                             && _PyString_Eq(**argname, key))) {
-                        goto arg_passed_twice;
-                    }
-                    argname++;
-                }
-            }
-        } else
-        #endif
-        if (likely(PyUnicode_Check(key))) {
-            while (*name) {
-                int cmp = (**name == key) ? 0 :
-                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
-                #endif
-                    PyUnicode_Compare(**name, key);
-                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                if (cmp == 0) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    int cmp = (**argname == key) ? 0 :
-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
-                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                    if (cmp == 0) goto arg_passed_twice;
-                    argname++;
-                }
-            }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
-        }
-    }
-    return 0;
-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-bad:
-    return -1;
-}
-
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
-    }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
-}
-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON
-    result = PyDict_GetItem(__pyx_d, name);
-    if (likely(result)) {
-        Py_INCREF(result);
-    } else {
-#else
-    result = PyObject_GetItem(__pyx_d, name);
-    if (!result) {
-        PyErr_Clear();
-#endif
-        result = __Pyx_GetBuiltinName(name);
-    }
-    return result;
-}
-
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
-        PyObject *r = PyList_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
-        PyObject *r = PyTuple_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                                     int is_list, int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                        PyErr_Clear();
-                    else
-                        return NULL;
-                }
-            }
-            return m->sq_item(o, i);
-        }
-    }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
-    }
-#endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = func->ob_type->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = (*call)(func, arg, kw);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
-    PyObject *self, *result;
-    PyCFunction cfunc;
-    cfunc = PyCFunction_GET_FUNCTION(func);
-    self = PyCFunction_GET_SELF(func);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = cfunc(self, arg);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_New(1);
-    if (unlikely(!args)) return NULL;
-    Py_INCREF(arg);
-    PyTuple_SET_ITEM(args, 0, arg);
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-#ifdef __Pyx_CyFunction_USED
-    if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
-#else
-    if (likely(PyCFunction_Check(func))) {
-#endif
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
-            return __Pyx_PyObject_CallMethO(func, arg);
-        }
-    }
-    return __Pyx__PyObject_CallOneArg(func, arg);
-}
-#else
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject* args = PyTuple_Pack(1, arg);
-    return (likely(args)) ? __Pyx_PyObject_Call(func, args, NULL) : NULL;
-}
-#endif
-
-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_Restore(type, value, tb);
-#endif
-}
-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(type, value, tb);
-#endif
-}
-
-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
-        }
-    }
-    if (PyType_Check(type)) {
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
-    }
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                if (PyObject_IsSubclass(instance_class, type)) {
-                    type = instance_class;
-                } else {
-                    instance_class = NULL;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-#if PY_VERSION_HEX >= 0x03030000
-    if (cause) {
-#else
-    if (cause && cause != Py_None) {
-#endif
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-        PyThreadState *tstate = PyThreadState_GET();
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
-#endif
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,
-        0,
-        0,
-        0,
-        0,
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        __pyx_d,      /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)       \
-    {                                                                     \
-        func_type value = func_value;                                     \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                if (is_unsigned && unlikely(value < zero))                \
-                    goto raise_neg_overflow;                              \
-                else                                                      \
-                    goto raise_overflow;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long, digit, ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong(x))
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong(x))
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +(((PyLongObject*)x)->ob_digit[0]));
-                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong(x))
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong(x))
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to long");
-    return (long) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to long");
-    return (long) -1;
-}
-
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int, digit, ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong(x))
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong(x))
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +(((PyLongObject*)x)->ob_digit[0]));
-                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong(x))
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong(x))
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to int");
-    return (int) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to int");
-    return (int) -1;
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        return PyErr_WarnEx(NULL, message, 1);
-    }
-    return 0;
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else
-        if (__Pyx_PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_LENGTH(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif
-#endif
-    } else
-#endif
-#if !CYTHON_COMPILING_IN_PYPY
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_MAJOR_VERSION < 3
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%.4s__ returned non-%.4s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b)))
-      return PyInt_AS_LONG(b);
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-     #if CYTHON_USE_PYLONG_INTERNALS
-       switch (Py_SIZE(b)) {
-       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
-       case  0: return 0;
-       case  1: return ((PyLongObject*)b)->ob_digit[0];
-       }
-     #endif
-    #endif
-    return PyLong_AsSsize_t(b);
-  }
-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-    return PyInt_FromSize_t(ival);
-}
-
-
-#endif /* Py_PYTHON_H */
diff --git a/fiona/_err.pyx b/fiona/_err.pyx
new file mode 100644
index 0000000..4ab0fdc
--- /dev/null
+++ b/fiona/_err.pyx
@@ -0,0 +1,70 @@
+"""fiona._err
+
+Transformation of GDAL C API errors to Python exceptions using Python's
+``with`` statement and an error-handling context manager class.
+
+The ``cpl_errs`` error-handling context manager is intended for use in
+Rasterio's Cython code. When entering the body of a ``with`` statement,
+the context manager clears GDAL's error stack. On exit, the context
+manager pops the last error off the stack and raises an appropriate
+Python exception. It's otherwise pretty difficult to do this kind of
+thing.  I couldn't make it work with a CPL error handler, Cython's
+C code swallows exceptions raised from C callbacks.
+
+When used to wrap a call to open a PNG in update mode
+
+    with cpl_errs:
+        cdef void *hds = GDALOpen('file.png', 1)
+    if hds == NULL:
+        raise ValueError("NULL dataset")
+
+the ValueError of last resort never gets raised because the context
+manager raises a more useful and informative error:
+
+    Traceback (most recent call last):
+      File "/Users/sean/code/rasterio/scripts/rio_insp", line 65, in <module>
+        with rasterio.open(args.src, args.mode) as src:
+      File "/Users/sean/code/rasterio/rasterio/__init__.py", line 111, in open
+        s.start()
+    ValueError: The PNG driver does not support update access to existing datasets.
+"""
+
+# CPL function declarations.
+cdef extern from "cpl_error.h":
+    int CPLGetLastErrorNo()
+    const char* CPLGetLastErrorMsg()
+    int CPLGetLastErrorType()
+    void CPLErrorReset()
+
+# Map GDAL error numbers to Python exceptions.
+exception_map = {
+    1: RuntimeError,        # CPLE_AppDefined
+    2: MemoryError,         # CPLE_OutOfMemory
+    3: IOError,             # CPLE_FileIO
+    4: IOError,             # CPLE_OpenFailed
+    5: TypeError,           # CPLE_IllegalArg
+    6: ValueError,          # CPLE_NotSupported
+    7: AssertionError,      # CPLE_AssertionFailed
+    8: IOError,             # CPLE_NoWriteAccess
+    9: KeyboardInterrupt,   # CPLE_UserInterrupt
+    10: ValueError          # ObjectNull
+    }
+
+
+cdef class GDALErrCtxManager:
+    """A manager for GDAL error handling contexts."""
+
+    def __enter__(self):
+        CPLErrorReset()
+        return self
+
+    def __exit__(self, exc_type=None, exc_val=None, exc_tb=None):
+        cdef int err_type = CPLGetLastErrorType()
+        cdef int err_no = CPLGetLastErrorNo()
+        cdef char *msg = CPLGetLastErrorMsg()
+        # TODO: warn for err_type 2?
+        if err_type >= 3:
+            raise exception_map[err_no](msg)
+
+cpl_errs = GDALErrCtxManager()
+
diff --git a/fiona/_geometry.c b/fiona/_geometry.c
deleted file mode 100644
index 02cdaf9..0000000
--- a/fiona/_geometry.c
+++ /dev/null
@@ -1,10093 +0,0 @@
-/* Generated by Cython 0.21 */
-
-#define PY_SSIZE_T_CLEAN
-#ifndef CYTHON_USE_PYLONG_INTERNALS
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#else
-#include "pyconfig.h"
-#ifdef PYLONG_BITS_IN_DIGIT
-#define CYTHON_USE_PYLONG_INTERNALS 1
-#else
-#define CYTHON_USE_PYLONG_INTERNALS 0
-#endif
-#endif
-#endif
-#include "Python.h"
-#ifndef Py_PYTHON_H
-    #error Python headers needed to compile C extensions, please install development version of Python.
-#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03020000)
-    #error Cython requires Python 2.6+ or Python 3.2+.
-#else
-#define CYTHON_ABI "0_21"
-#include <stddef.h>
-#ifndef offsetof
-#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
-#endif
-#if !defined(WIN32) && !defined(MS_WINDOWS)
-  #ifndef __stdcall
-    #define __stdcall
-  #endif
-  #ifndef __cdecl
-    #define __cdecl
-  #endif
-  #ifndef __fastcall
-    #define __fastcall
-  #endif
-#endif
-#ifndef DL_IMPORT
-  #define DL_IMPORT(t) t
-#endif
-#ifndef DL_EXPORT
-  #define DL_EXPORT(t) t
-#endif
-#ifndef PY_LONG_LONG
-  #define PY_LONG_LONG LONG_LONG
-#endif
-#ifndef Py_HUGE_VAL
-  #define Py_HUGE_VAL HUGE_VAL
-#endif
-#ifdef PYPY_VERSION
-#define CYTHON_COMPILING_IN_PYPY 1
-#define CYTHON_COMPILING_IN_CPYTHON 0
-#else
-#define CYTHON_COMPILING_IN_PYPY 0
-#define CYTHON_COMPILING_IN_CPYTHON 1
-#endif
-#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600
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-  #define __Pyx_DefaultClassType PyClass_Type
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-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
-  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
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-  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
-#else
-  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
-      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
-#endif
-#define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
-#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
-#else
-  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
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-#if PY_MAJOR_VERSION >= 3
-  #define PyBaseString_Type            PyUnicode_Type
-  #define PyStringObject               PyUnicodeObject
-  #define PyString_Type                PyUnicode_Type
-  #define PyString_Check               PyUnicode_Check
-  #define PyString_CheckExact          PyUnicode_CheckExact
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-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
-  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
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-  #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
-  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
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-  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
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-#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
-#if PY_MAJOR_VERSION >= 3
-  #define PyIntObject                  PyLongObject
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-  #define PyInt_FromUnicode            PyLong_FromUnicode
-  #define PyInt_FromLong               PyLong_FromLong
-  #define PyInt_FromSize_t             PyLong_FromSize_t
-  #define PyInt_FromSsize_t            PyLong_FromSsize_t
-  #define PyInt_AsLong                 PyLong_AsLong
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-  #define PyNumber_Int                 PyNumber_Long
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-#if PY_MAJOR_VERSION >= 3
-  #define PyBoolObject                 PyLongObject
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-#if PY_VERSION_HEX < 0x030200A4
-  typedef long Py_hash_t;
-  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
-#else
-  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
-#endif
-#ifndef CYTHON_INLINE
-  #if defined(__GNUC__)
-    #define CYTHON_INLINE __inline__
-  #elif defined(_MSC_VER)
-    #define CYTHON_INLINE __inline
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_INLINE inline
-  #else
-    #define CYTHON_INLINE
-  #endif
-#endif
-#ifndef CYTHON_RESTRICT
-  #if defined(__GNUC__)
-    #define CYTHON_RESTRICT __restrict__
-  #elif defined(_MSC_VER) && _MSC_VER >= 1400
-    #define CYTHON_RESTRICT __restrict
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_RESTRICT restrict
-  #else
-    #define CYTHON_RESTRICT
-  #endif
-#endif
-#ifdef NAN
-#define __PYX_NAN() ((float) NAN)
-#else
-static CYTHON_INLINE float __PYX_NAN() {
-  /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and
-   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
-   a quiet NaN. */
-  float value;
-  memset(&value, 0xFF, sizeof(value));
-  return value;
-}
-#endif
-#ifdef __cplusplus
-template<typename T>
-void __Pyx_call_destructor(T* x) {
-    x->~T();
-}
-#endif
-
-
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
-#else
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
-#endif
-
-#ifndef __PYX_EXTERN_C
-  #ifdef __cplusplus
-    #define __PYX_EXTERN_C extern "C"
-  #else
-    #define __PYX_EXTERN_C extern
-  #endif
-#endif
-
-#if defined(WIN32) || defined(MS_WINDOWS)
-#define _USE_MATH_DEFINES
-#endif
-#include <math.h>
-#define __PYX_HAVE__fiona___geometry
-#define __PYX_HAVE_API__fiona___geometry
-#include "cpl_conv.h"
-#include "cpl_string.h"
-#include "ogr_core.h"
-#include "ogr_srs_api.h"
-#include "ogr_api.h"
-#ifdef _OPENMP
-#include <omp.h>
-#endif /* _OPENMP */
-
-#ifdef PYREX_WITHOUT_ASSERTIONS
-#define CYTHON_WITHOUT_ASSERTIONS
-#endif
-
-#ifndef CYTHON_UNUSED
-# if defined(__GNUC__)
-#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-#     define CYTHON_UNUSED __attribute__ ((__unused__))
-#   else
-#     define CYTHON_UNUSED
-#   endif
-# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
-#   define CYTHON_UNUSED __attribute__ ((__unused__))
-# else
-#   define CYTHON_UNUSED
-# endif
-#endif
-typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
-                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;
-
-#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
-#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
-#define __PYX_DEFAULT_STRING_ENCODING ""
-#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
-#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (    \
-    (sizeof(type) < sizeof(Py_ssize_t))  ||             \
-    (sizeof(type) > sizeof(Py_ssize_t) &&               \
-          likely(v < (type)PY_SSIZE_T_MAX ||            \
-                 v == (type)PY_SSIZE_T_MAX)  &&         \
-          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||       \
-                                v == (type)PY_SSIZE_T_MIN)))  ||  \
-    (sizeof(type) == sizeof(Py_ssize_t) &&              \
-          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
-                               v == (type)PY_SSIZE_T_MAX)))  )
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
-#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
-#define __Pyx_PyBytes_FromString        PyBytes_FromString
-#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
-#if PY_MAJOR_VERSION < 3
-    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#else
-    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
-#endif
-#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((const char*)s)
-#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((const char*)s)
-#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((const char*)s)
-#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((const char*)s)
-#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((const char*)s)
-#if PY_MAJOR_VERSION < 3
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
-{
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return (size_t)(u_end - u - 1);
-}
-#else
-#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
-#endif
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
-#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
-#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
-#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_COMPILING_IN_CPYTHON
-#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
-#else
-#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
-#endif
-#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
-    const char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (!sys) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    Py_DECREF(sys);
-    if (!default_encoding) goto bad;
-    default_encoding_c = PyBytes_AsString(default_encoding);
-    if (!default_encoding_c) goto bad;
-    if (strcmp(default_encoding_c, "ascii") == 0) {
-        __Pyx_sys_getdefaultencoding_not_ascii = 0;
-    } else {
-        char ascii_chars[128];
-        int c;
-        for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
-        }
-        __Pyx_sys_getdefaultencoding_not_ascii = 1;
-        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
-        if (!ascii_chars_u) goto bad;
-        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
-        if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
-            PyErr_Format(
-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
-                default_encoding_c);
-            goto bad;
-        }
-        Py_DECREF(ascii_chars_u);
-        Py_DECREF(ascii_chars_b);
-    }
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return -1;
-}
-#endif
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (!sys) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    Py_DECREF(sys);
-    if (!default_encoding) goto bad;
-    default_encoding_c = PyBytes_AsString(default_encoding);
-    if (!default_encoding_c) goto bad;
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
-    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
-    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(default_encoding);
-    return -1;
-}
-#endif
-#endif
-
-
-/* Test for GCC > 2.95 */
-#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
-  #define likely(x)   __builtin_expect(!!(x), 1)
-  #define unlikely(x) __builtin_expect(!!(x), 0)
-#else /* !__GNUC__ or GCC < 2.95 */
-  #define likely(x)   (x)
-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-
-static PyObject *__pyx_m;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "fiona/_geometry.pyx",
-};
-
-/* "ograpi.pxd":15
- *     void    CSLDestroy (char **list)
- * 
- * ctypedef int OGRErr             # <<<<<<<<<<<<<<
- * ctypedef struct OGREnvelope:
- *     double MinX
- */
-typedef int __pyx_t_5fiona_6ograpi_OGRErr;
-
-/*--- Type declarations ---*/
-struct __pyx_obj_5fiona_9_geometry_GeomBuilder;
-struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder;
-struct __pyx_obj_5fiona_9_geometry___pyx_scope_struct__genexpr;
-struct __pyx_t_5fiona_6ograpi_OGREnvelope;
-typedef struct __pyx_t_5fiona_6ograpi_OGREnvelope __pyx_t_5fiona_6ograpi_OGREnvelope;
-
-/* "ograpi.pxd":16
- * 
- * ctypedef int OGRErr
- * ctypedef struct OGREnvelope:             # <<<<<<<<<<<<<<
- *     double MinX
- *     double MaxX
- */
-struct __pyx_t_5fiona_6ograpi_OGREnvelope {
-  double MinX;
-  double MaxX;
-  double MinY;
-  double MaxY;
-};
-
-/* "fiona/_geometry.pxd":2
- * 
- * cdef class GeomBuilder:             # <<<<<<<<<<<<<<
- *     cdef void *geom
- *     cdef object code
- */
-struct __pyx_obj_5fiona_9_geometry_GeomBuilder {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5fiona_9_geometry_GeomBuilder *__pyx_vtab;
-  void *geom;
-  PyObject *code;
-  PyObject *geomtypename;
-  PyObject *ndims;
-};
-
-
-/* "fiona/_geometry.pxd":21
- * 
- * 
- * cdef class OGRGeomBuilder:             # <<<<<<<<<<<<<<
- *     cdef void * _createOgrGeometry(self, int geom_type)
- *     cdef _addPointToGeometry(self, void *cogr_geometry, object coordinate)
- */
-struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5fiona_9_geometry_OGRGeomBuilder *__pyx_vtab;
-};
-
-
-/* "fiona/_geometry.pyx":36
- * 
- * # mapping of GeoJSON type names to OGR integer geometry types
- * GEOJSON2OGR_GEOMETRY_TYPES = dict((v, k) for k, v in GEOMETRY_TYPES.iteritems())             # <<<<<<<<<<<<<<
- * 
- * 
- */
-struct __pyx_obj_5fiona_9_geometry___pyx_scope_struct__genexpr {
-  PyObject_HEAD
-  PyObject *__pyx_v_k;
-  PyObject *__pyx_v_v;
-  PyObject *__pyx_t_0;
-  Py_ssize_t __pyx_t_1;
-  Py_ssize_t __pyx_t_2;
-  int __pyx_t_3;
-};
-
-
-
-/* "fiona/_geometry.pyx":57
- * 
- * 
- * cdef class GeomBuilder:             # <<<<<<<<<<<<<<
- *     """Builds Fiona (GeoJSON) geometries from an OGR geometry handle.
- *     """
- */
-
-struct __pyx_vtabstruct_5fiona_9_geometry_GeomBuilder {
-  PyObject *(*_buildCoords)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, void *);
-  PyObject *(*_buildPoint)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, int __pyx_skip_dispatch);
-  PyObject *(*_buildLineString)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, int __pyx_skip_dispatch);
-  PyObject *(*_buildLinearRing)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, int __pyx_skip_dispatch);
-  PyObject *(*_buildParts)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, void *);
-  PyObject *(*_buildPolygon)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, int __pyx_skip_dispatch);
-  PyObject *(*_buildMultiPoint)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, int __pyx_skip_dispatch);
-  PyObject *(*_buildMultiLineString)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, int __pyx_skip_dispatch);
-  PyObject *(*_buildMultiPolygon)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, int __pyx_skip_dispatch);
-  PyObject *(*_buildGeometryCollection)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, int __pyx_skip_dispatch);
-  PyObject *(*build)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, void *);
-  PyObject *(*build_wkb)(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *, PyObject *, int __pyx_skip_dispatch);
-};
-static struct __pyx_vtabstruct_5fiona_9_geometry_GeomBuilder *__pyx_vtabptr_5fiona_9_geometry_GeomBuilder;
-
-
-/* "fiona/_geometry.pyx":135
- * 
- * 
- * cdef class OGRGeomBuilder:             # <<<<<<<<<<<<<<
- *     """Builds OGR geometries from Fiona geometries.
- *     """
- */
-
-struct __pyx_vtabstruct_5fiona_9_geometry_OGRGeomBuilder {
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-static PyObject *__pyx_f_5fiona_9_geometry__deleteOgrGeom(void *); /*proto*/
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-static PyObject *__pyx_builtin_Exception;
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-  /*--- Wrapped vars code ---*/
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-#if PY_MAJOR_VERSION >= 3
-            "name '%U' is not defined", name);
-#else
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-#endif
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-    PyThreadState *tstate = PyThreadState_GET();
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-            PyObject *exc_value, *exc_tb;
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-            PyErr_Clear();
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-    return 0;
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-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = func->ob_type->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = (*call)(func, arg, kw);
-    Py_LeaveRecursiveCall();
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-        PyErr_SetString(
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-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
-    PyObject *self, *result;
-    PyCFunction cfunc;
-    cfunc = PyCFunction_GET_FUNCTION(func);
-    self = PyCFunction_GET_SELF(func);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = cfunc(self, arg);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
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-    return result;
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-
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) {
-#ifdef __Pyx_CyFunction_USED
-    if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
-#else
-    if (likely(PyCFunction_Check(func))) {
-#endif
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) {
-            return __Pyx_PyObject_CallMethO(func, NULL);
-        }
-    }
-    return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL);
-}
-#endif
-
-#if CYTHON_COMPILING_IN_CPYTHON
-static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_New(1);
-    if (unlikely(!args)) return NULL;
-    Py_INCREF(arg);
-    PyTuple_SET_ITEM(args, 0, arg);
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-#ifdef __Pyx_CyFunction_USED
-    if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
-#else
-    if (likely(PyCFunction_Check(func))) {
-#endif
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
-            return __Pyx_PyObject_CallMethO(func, arg);
-        }
-    }
-    return __Pyx__PyObject_CallOneArg(func, arg);
-}
-#else
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject* args = PyTuple_Pack(1, arg);
-    return (likely(args)) ? __Pyx_PyObject_Call(func, args, NULL) : NULL;
-}
-#endif
-
-static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name) {
-    PyObject *method, *result = NULL;
-    method = __Pyx_PyObject_GetAttrStr(obj, method_name);
-    if (unlikely(!method)) goto bad;
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (likely(PyMethod_Check(method))) {
-        PyObject *self = PyMethod_GET_SELF(method);
-        if (likely(self)) {
-            PyObject *function = PyMethod_GET_FUNCTION(method);
-            result = __Pyx_PyObject_CallOneArg(function, self);
-            Py_DECREF(method);
-            return result;
-        }
-    }
-#endif
-    result = __Pyx_PyObject_CallNoArg(method);
-    Py_DECREF(method);
-bad:
-    return result;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
-    PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
-                 index, (index == 1) ? "" : "s");
-}
-
-static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
-    PyErr_Format(PyExc_ValueError,
-                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
-}
-
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
-    } else {
-        return __Pyx_IterFinish();
-    }
-    return 0;
-}
-
-static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
-    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
-}
-
-static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) {
-    if (t == Py_None) {
-      __Pyx_RaiseNoneNotIterableError();
-    } else if (PyTuple_GET_SIZE(t) < index) {
-      __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t));
-    } else {
-      __Pyx_RaiseTooManyValuesError(index);
-    }
-}
-
-static CYTHON_INLINE int __Pyx_unpack_tuple2(PyObject* tuple, PyObject** pvalue1, PyObject** pvalue2,
-                                             int is_tuple, int has_known_size, int decref_tuple) {
-    Py_ssize_t index;
-    PyObject *value1 = NULL, *value2 = NULL, *iter = NULL;
-    if (!is_tuple && unlikely(!PyTuple_Check(tuple))) {
-        iternextfunc iternext;
-        iter = PyObject_GetIter(tuple);
-        if (unlikely(!iter)) goto bad;
-        if (decref_tuple) { Py_DECREF(tuple); tuple = NULL; }
-        iternext = Py_TYPE(iter)->tp_iternext;
-        value1 = iternext(iter); if (unlikely(!value1)) { index = 0; goto unpacking_failed; }
-        value2 = iternext(iter); if (unlikely(!value2)) { index = 1; goto unpacking_failed; }
-        if (!has_known_size && unlikely(__Pyx_IternextUnpackEndCheck(iternext(iter), 2))) goto bad;
-        Py_DECREF(iter);
-    } else {
-        if (!has_known_size && unlikely(PyTuple_GET_SIZE(tuple) != 2)) {
-            __Pyx_UnpackTupleError(tuple, 2);
-            goto bad;
-        }
-#if CYTHON_COMPILING_IN_PYPY
-        value1 = PySequence_ITEM(tuple, 0);
-        if (unlikely(!value1)) goto bad;
-        value2 = PySequence_ITEM(tuple, 1);
-        if (unlikely(!value2)) goto bad;
-#else
-        value1 = PyTuple_GET_ITEM(tuple, 0);
-        value2 = PyTuple_GET_ITEM(tuple, 1);
-        Py_INCREF(value1);
-        Py_INCREF(value2);
-#endif
-        if (decref_tuple) { Py_DECREF(tuple); }
-    }
-    *pvalue1 = value1;
-    *pvalue2 = value2;
-    return 0;
-unpacking_failed:
-    if (!has_known_size && __Pyx_IterFinish() == 0)
-        __Pyx_RaiseNeedMoreValuesError(index);
-bad:
-    Py_XDECREF(iter);
-    Py_XDECREF(value1);
-    Py_XDECREF(value2);
-    if (decref_tuple) { Py_XDECREF(tuple); }
-    return -1;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* iterable, int is_dict, PyObject* method_name,
-                                                   Py_ssize_t* p_orig_length, int* p_source_is_dict) {
-    is_dict = is_dict || likely(PyDict_CheckExact(iterable));
-    *p_source_is_dict = is_dict;
-#if !CYTHON_COMPILING_IN_PYPY
-    if (is_dict) {
-        *p_orig_length = PyDict_Size(iterable);
-        Py_INCREF(iterable);
-        return iterable;
-    }
-#endif
-    *p_orig_length = 0;
-    if (method_name) {
-        PyObject* iter;
-        iterable = __Pyx_PyObject_CallMethod0(iterable, method_name);
-        if (!iterable)
-            return NULL;
-#if !CYTHON_COMPILING_IN_PYPY
-        if (PyTuple_CheckExact(iterable) || PyList_CheckExact(iterable))
-            return iterable;
-#endif
-        iter = PyObject_GetIter(iterable);
-        Py_DECREF(iterable);
-        return iter;
-    }
-    return PyObject_GetIter(iterable);
-}
-static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* iter_obj, Py_ssize_t orig_length, Py_ssize_t* ppos,
-                                              PyObject** pkey, PyObject** pvalue, PyObject** pitem, int source_is_dict) {
-    PyObject* next_item;
-#if !CYTHON_COMPILING_IN_PYPY
-    if (source_is_dict) {
-        PyObject *key, *value;
-        if (unlikely(orig_length != PyDict_Size(iter_obj))) {
-            PyErr_SetString(PyExc_RuntimeError, "dictionary changed size during iteration");
-            return -1;
-        }
-        if (unlikely(!PyDict_Next(iter_obj, ppos, &key, &value))) {
-            return 0;
-        }
-        if (pitem) {
-            PyObject* tuple = PyTuple_New(2);
-            if (unlikely(!tuple)) {
-                return -1;
-            }
-            Py_INCREF(key);
-            Py_INCREF(value);
-            PyTuple_SET_ITEM(tuple, 0, key);
-            PyTuple_SET_ITEM(tuple, 1, value);
-            *pitem = tuple;
-        } else {
-            if (pkey) {
-                Py_INCREF(key);
-                *pkey = key;
-            }
-            if (pvalue) {
-                Py_INCREF(value);
-                *pvalue = value;
-            }
-        }
-        return 1;
-    } else if (PyTuple_CheckExact(iter_obj)) {
-        Py_ssize_t pos = *ppos;
-        if (unlikely(pos >= PyTuple_GET_SIZE(iter_obj))) return 0;
-        *ppos = pos + 1;
-        next_item = PyTuple_GET_ITEM(iter_obj, pos);
-        Py_INCREF(next_item);
-    } else if (PyList_CheckExact(iter_obj)) {
-        Py_ssize_t pos = *ppos;
-        if (unlikely(pos >= PyList_GET_SIZE(iter_obj))) return 0;
-        *ppos = pos + 1;
-        next_item = PyList_GET_ITEM(iter_obj, pos);
-        Py_INCREF(next_item);
-    } else
-#endif
-    {
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-        if (unlikely(!next_item)) {
-            return __Pyx_IterFinish();
-        }
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-    if (pitem) {
-        *pitem = next_item;
-    } else if (pkey && pvalue) {
-        if (__Pyx_unpack_tuple2(next_item, pkey, pvalue, source_is_dict, source_is_dict, 1))
-            return -1;
-    } else if (pkey) {
-        *pkey = next_item;
-    } else {
-        *pvalue = next_item;
-    }
-    return 1;
-}
-
-static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON
-    result = PyDict_GetItem(__pyx_d, name);
-    if (likely(result)) {
-        Py_INCREF(result);
-    } else {
-#else
-    result = PyObject_GetItem(__pyx_d, name);
-    if (!result) {
-        PyErr_Clear();
-#endif
-        result = __Pyx_GetBuiltinName(name);
-    }
-    return result;
-}
-
-static void __Pyx_RaiseArgtupleInvalid(
-    const char* func_name,
-    int exact,
-    Py_ssize_t num_min,
-    Py_ssize_t num_max,
-    Py_ssize_t num_found)
-{
-    Py_ssize_t num_expected;
-    const char *more_or_less;
-    if (num_found < num_min) {
-        num_expected = num_min;
-        more_or_less = "at least";
-    } else {
-        num_expected = num_max;
-        more_or_less = "at most";
-    }
-    if (exact) {
-        more_or_less = "exactly";
-    }
-    PyErr_Format(PyExc_TypeError,
-                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
-                 func_name, more_or_less, num_expected,
-                 (num_expected == 1) ? "" : "s", num_found);
-}
-
-static void __Pyx_RaiseDoubleKeywordsError(
-    const char* func_name,
-    PyObject* kw_name)
-{
-    PyErr_Format(PyExc_TypeError,
-        #if PY_MAJOR_VERSION >= 3
-        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
-        #else
-        "%s() got multiple values for keyword argument '%s'", func_name,
-        PyString_AsString(kw_name));
-        #endif
-}
-
-static int __Pyx_ParseOptionalKeywords(
-    PyObject *kwds,
-    PyObject **argnames[],
-    PyObject *kwds2,
-    PyObject *values[],
-    Py_ssize_t num_pos_args,
-    const char* function_name)
-{
-    PyObject *key = 0, *value = 0;
-    Py_ssize_t pos = 0;
-    PyObject*** name;
-    PyObject*** first_kw_arg = argnames + num_pos_args;
-    while (PyDict_Next(kwds, &pos, &key, &value)) {
-        name = first_kw_arg;
-        while (*name && (**name != key)) name++;
-        if (*name) {
-            values[name-argnames] = value;
-            continue;
-        }
-        name = first_kw_arg;
-        #if PY_MAJOR_VERSION < 3
-        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
-            while (*name) {
-                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
-                        && _PyString_Eq(**name, key)) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    if ((**argname == key) || (
-                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
-                             && _PyString_Eq(**argname, key))) {
-                        goto arg_passed_twice;
-                    }
-                    argname++;
-                }
-            }
-        } else
-        #endif
-        if (likely(PyUnicode_Check(key))) {
-            while (*name) {
-                int cmp = (**name == key) ? 0 :
-                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
-                #endif
-                    PyUnicode_Compare(**name, key);
-                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                if (cmp == 0) {
-                    values[name-argnames] = value;
-                    break;
-                }
-                name++;
-            }
-            if (*name) continue;
-            else {
-                PyObject*** argname = argnames;
-                while (argname != first_kw_arg) {
-                    int cmp = (**argname == key) ? 0 :
-                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
-                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
-                    #endif
-                        PyUnicode_Compare(**argname, key);
-                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
-                    if (cmp == 0) goto arg_passed_twice;
-                    argname++;
-                }
-            }
-        } else
-            goto invalid_keyword_type;
-        if (kwds2) {
-            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
-        } else {
-            goto invalid_keyword;
-        }
-    }
-    return 0;
-arg_passed_twice:
-    __Pyx_RaiseDoubleKeywordsError(function_name, key);
-    goto bad;
-invalid_keyword_type:
-    PyErr_Format(PyExc_TypeError,
-        "%.200s() keywords must be strings", function_name);
-    goto bad;
-invalid_keyword:
-    PyErr_Format(PyExc_TypeError,
-    #if PY_MAJOR_VERSION < 3
-        "%.200s() got an unexpected keyword argument '%.200s'",
-        function_name, PyString_AsString(key));
-    #else
-        "%s() got an unexpected keyword argument '%U'",
-        function_name, key);
-    #endif
-bad:
-    return -1;
-}
-
-static CYTHON_INLINE int __Pyx_GetItemInt_ByteArray_Fast(PyObject* string, Py_ssize_t i,
-                                                         int wraparound, int boundscheck) {
-    Py_ssize_t length;
-    if (wraparound | boundscheck) {
-        length = PyByteArray_GET_SIZE(string);
-        if (wraparound & unlikely(i < 0)) i += length;
-        if ((!boundscheck) || likely((0 <= i) & (i < length))) {
-            return (unsigned char) (PyByteArray_AS_STRING(string)[i]);
-        } else {
-            PyErr_SetString(PyExc_IndexError, "bytearray index out of range");
-            return -1;
-        }
-    } else {
-        return (unsigned char) (PyByteArray_AS_STRING(string)[i]);
-    }
-}
-
-static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_Restore(type, value, tb);
-#endif
-}
-static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(type, value, tb);
-#endif
-}
-
-#if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
-        }
-    }
-    if (PyType_Check(type)) {
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
-    }
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                if (PyObject_IsSubclass(instance_class, type)) {
-                    type = instance_class;
-                } else {
-                    instance_class = NULL;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-#if PY_VERSION_HEX >= 0x03030000
-    if (cause) {
-#else
-    if (cause && cause != Py_None) {
-#endif
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-        PyThreadState *tstate = PyThreadState_GET();
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
-#endif
-
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
-        PyObject *r = PyList_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
-    if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
-        PyObject *r = PyTuple_GET_ITEM(o, i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
-                                                     int is_list, int wraparound, int boundscheck) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                        PyErr_Clear();
-                    else
-                        return NULL;
-                }
-            }
-            return m->sq_item(o, i);
-        }
-    }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
-    }
-#endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-
-static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
-#if CYTHON_COMPILING_IN_CPYTHON
-#if PY_MAJOR_VERSION >= 3
-    if (likely(PyUnicode_Check(n)))
-#else
-    if (likely(PyString_Check(n)))
-#endif
-        return __Pyx_PyObject_GetAttrStr(o, n);
-#endif
-    return PyObject_GetAttr(o, n);
-}
-
-static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno,
-                                  CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename,
-                                  int full_traceback) {
-    PyObject *old_exc, *old_val, *old_tb;
-    PyObject *ctx;
-    __Pyx_ErrFetch(&old_exc, &old_val, &old_tb);
-    if (full_traceback) {
-        Py_XINCREF(old_exc);
-        Py_XINCREF(old_val);
-        Py_XINCREF(old_tb);
-        __Pyx_ErrRestore(old_exc, old_val, old_tb);
-        PyErr_PrintEx(1);
-    }
-    #if PY_MAJOR_VERSION < 3
-    ctx = PyString_FromString(name);
-    #else
-    ctx = PyUnicode_FromString(name);
-    #endif
-    __Pyx_ErrRestore(old_exc, old_val, old_tb);
-    if (!ctx) {
-        PyErr_WriteUnraisable(Py_None);
-    } else {
-        PyErr_WriteUnraisable(ctx);
-        Py_DECREF(ctx);
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(
-        PyObject* obj, Py_ssize_t cstart, Py_ssize_t cstop,
-        PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice,
-        int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyMappingMethods* mp;
-#if PY_MAJOR_VERSION < 3
-    PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence;
-    if (likely(ms && ms->sq_slice)) {
-        if (!has_cstart) {
-            if (_py_start && (*_py_start != Py_None)) {
-                cstart = __Pyx_PyIndex_AsSsize_t(*_py_start);
-                if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
-            } else
-                cstart = 0;
-        }
-        if (!has_cstop) {
-            if (_py_stop && (*_py_stop != Py_None)) {
-                cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop);
-                if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad;
-            } else
-                cstop = PY_SSIZE_T_MAX;
-        }
-        if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) {
-            Py_ssize_t l = ms->sq_length(obj);
-            if (likely(l >= 0)) {
-                if (cstop < 0) {
-                    cstop += l;
-                    if (cstop < 0) cstop = 0;
-                }
-                if (cstart < 0) {
-                    cstart += l;
-                    if (cstart < 0) cstart = 0;
-                }
-            } else {
-                if (PyErr_ExceptionMatches(PyExc_OverflowError))
-                    PyErr_Clear();
-                else
-                    goto bad;
-            }
-        }
-        return ms->sq_slice(obj, cstart, cstop);
-    }
-#endif
-    mp = Py_TYPE(obj)->tp_as_mapping;
-    if (likely(mp && mp->mp_subscript))
-#endif
-    {
-        PyObject* result;
-        PyObject *py_slice, *py_start, *py_stop;
-        if (_py_slice) {
-            py_slice = *_py_slice;
-        } else {
-            PyObject* owned_start = NULL;
-            PyObject* owned_stop = NULL;
-            if (_py_start) {
-                py_start = *_py_start;
-            } else {
-                if (has_cstart) {
-                    owned_start = py_start = PyInt_FromSsize_t(cstart);
-                    if (unlikely(!py_start)) goto bad;
-                } else
-                    py_start = Py_None;
-            }
-            if (_py_stop) {
-                py_stop = *_py_stop;
-            } else {
-                if (has_cstop) {
-                    owned_stop = py_stop = PyInt_FromSsize_t(cstop);
-                    if (unlikely(!py_stop)) {
-                        Py_XDECREF(owned_start);
-                        goto bad;
-                    }
-                } else
-                    py_stop = Py_None;
-            }
-            py_slice = PySlice_New(py_start, py_stop, Py_None);
-            Py_XDECREF(owned_start);
-            Py_XDECREF(owned_stop);
-            if (unlikely(!py_slice)) goto bad;
-        }
-#if CYTHON_COMPILING_IN_CPYTHON
-        result = mp->mp_subscript(obj, py_slice);
-#else
-        result = PyObject_GetItem(obj, py_slice);
-#endif
-        if (!_py_slice) {
-            Py_DECREF(py_slice);
-        }
-        return result;
-    }
-    PyErr_Format(PyExc_TypeError,
-        "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name);
-bad:
-    return NULL;
-}
-
-static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-    if (s1 == s2) {
-        return (equals == Py_EQ);
-    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
-        const char *ps1, *ps2;
-        Py_ssize_t length = PyBytes_GET_SIZE(s1);
-        if (length != PyBytes_GET_SIZE(s2))
-            return (equals == Py_NE);
-        ps1 = PyBytes_AS_STRING(s1);
-        ps2 = PyBytes_AS_STRING(s2);
-        if (ps1[0] != ps2[0]) {
-            return (equals == Py_NE);
-        } else if (length == 1) {
-            return (equals == Py_EQ);
-        } else {
-            int result = memcmp(ps1, ps2, (size_t)length);
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
-        return (equals == Py_NE);
-    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
-        return (equals == Py_NE);
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-#endif
-}
-
-static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
-#if CYTHON_COMPILING_IN_PYPY
-    return PyObject_RichCompareBool(s1, s2, equals);
-#else
-#if PY_MAJOR_VERSION < 3
-    PyObject* owned_ref = NULL;
-#endif
-    int s1_is_unicode, s2_is_unicode;
-    if (s1 == s2) {
-        goto return_eq;
-    }
-    s1_is_unicode = PyUnicode_CheckExact(s1);
-    s2_is_unicode = PyUnicode_CheckExact(s2);
-#if PY_MAJOR_VERSION < 3
-    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
-        owned_ref = PyUnicode_FromObject(s2);
-        if (unlikely(!owned_ref))
-            return -1;
-        s2 = owned_ref;
-        s2_is_unicode = 1;
-    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
-        owned_ref = PyUnicode_FromObject(s1);
-        if (unlikely(!owned_ref))
-            return -1;
-        s1 = owned_ref;
-        s1_is_unicode = 1;
-    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
-        return __Pyx_PyBytes_Equals(s1, s2, equals);
-    }
-#endif
-    if (s1_is_unicode & s2_is_unicode) {
-        Py_ssize_t length;
-        int kind;
-        void *data1, *data2;
-        if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0))
-            return -1;
-        length = __Pyx_PyUnicode_GET_LENGTH(s1);
-        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
-            goto return_ne;
-        }
-        kind = __Pyx_PyUnicode_KIND(s1);
-        if (kind != __Pyx_PyUnicode_KIND(s2)) {
-            goto return_ne;
-        }
-        data1 = __Pyx_PyUnicode_DATA(s1);
-        data2 = __Pyx_PyUnicode_DATA(s2);
-        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
-            goto return_ne;
-        } else if (length == 1) {
-            goto return_eq;
-        } else {
-            int result = memcmp(data1, data2, (size_t)(length * kind));
-            #if PY_MAJOR_VERSION < 3
-            Py_XDECREF(owned_ref);
-            #endif
-            return (equals == Py_EQ) ? (result == 0) : (result != 0);
-        }
-    } else if ((s1 == Py_None) & s2_is_unicode) {
-        goto return_ne;
-    } else if ((s2 == Py_None) & s1_is_unicode) {
-        goto return_ne;
-    } else {
-        int result;
-        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
-        if (!py_result)
-            return -1;
-        result = __Pyx_PyObject_IsTrue(py_result);
-        Py_DECREF(py_result);
-        return result;
-    }
-return_eq:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_EQ);
-return_ne:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(owned_ref);
-    #endif
-    return (equals == Py_NE);
-#endif
-}
-
-static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
-#if PY_VERSION_HEX >= 0x02070000
-    PyObject *ob = PyCapsule_New(vtable, 0, 0);
-#else
-    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
-#endif
-    if (!ob)
-        goto bad;
-    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
-        goto bad;
-    Py_DECREF(ob);
-    return 0;
-bad:
-    Py_XDECREF(ob);
-    return -1;
-}
-
-static PyObject *__Pyx_CalculateMetaclass(PyTypeObject *metaclass, PyObject *bases) {
-    Py_ssize_t i, nbases = PyTuple_GET_SIZE(bases);
-    for (i=0; i < nbases; i++) {
-        PyTypeObject *tmptype;
-        PyObject *tmp = PyTuple_GET_ITEM(bases, i);
-        tmptype = Py_TYPE(tmp);
-#if PY_MAJOR_VERSION < 3
-        if (tmptype == &PyClass_Type)
-            continue;
-#endif
-        if (!metaclass) {
-            metaclass = tmptype;
-            continue;
-        }
-        if (PyType_IsSubtype(metaclass, tmptype))
-            continue;
-        if (PyType_IsSubtype(tmptype, metaclass)) {
-            metaclass = tmptype;
-            continue;
-        }
-        PyErr_SetString(PyExc_TypeError,
-                        "metaclass conflict: "
-                        "the metaclass of a derived class "
-                        "must be a (non-strict) subclass "
-                        "of the metaclasses of all its bases");
-        return NULL;
-    }
-    if (!metaclass) {
-#if PY_MAJOR_VERSION < 3
-        metaclass = &PyClass_Type;
-#else
-        metaclass = &PyType_Type;
-#endif
-    }
-    Py_INCREF((PyObject*) metaclass);
-    return (PyObject*) metaclass;
-}
-
-static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type) {
-    PyObject* fake_module;
-    PyTypeObject* cached_type = NULL;
-    fake_module = PyImport_AddModule((char*) "_cython_" CYTHON_ABI);
-    if (!fake_module) return NULL;
-    Py_INCREF(fake_module);
-    cached_type = (PyTypeObject*) PyObject_GetAttrString(fake_module, type->tp_name);
-    if (cached_type) {
-        if (!PyType_Check((PyObject*)cached_type)) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s is not a type object",
-                type->tp_name);
-            goto bad;
-        }
-        if (cached_type->tp_basicsize != type->tp_basicsize) {
-            PyErr_Format(PyExc_TypeError,
-                "Shared Cython type %.200s has the wrong size, try recompiling",
-                type->tp_name);
-            goto bad;
-        }
-    } else {
-        if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad;
-        PyErr_Clear();
-        if (PyType_Ready(type) < 0) goto bad;
-        if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0)
-            goto bad;
-        Py_INCREF(type);
-        cached_type = type;
-    }
-done:
-    Py_DECREF(fake_module);
-    return cached_type;
-bad:
-    Py_XDECREF(cached_type);
-    cached_type = NULL;
-    goto done;
-}
-
-static PyObject *
-__Pyx_CyFunction_get_doc(__pyx_CyFunctionObject *op, CYTHON_UNUSED void *closure)
-{
-    if (unlikely(op->func_doc == NULL)) {
-        if (op->func.m_ml->ml_doc) {
-#if PY_MAJOR_VERSION >= 3
-            op->func_doc = PyUnicode_FromString(op->func.m_ml->ml_doc);
-#else
-            op->func_doc = PyString_FromString(op->func.m_ml->ml_doc);
-#endif
-            if (unlikely(op->func_doc == NULL))
-                return NULL;
-        } else {
-            Py_INCREF(Py_None);
-            return Py_None;
-        }
-    }
-    Py_INCREF(op->func_doc);
-    return op->func_doc;
-}
-static int
-__Pyx_CyFunction_set_doc(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp = op->func_doc;
-    if (value == NULL) {
-        value = Py_None;
-    }
-    Py_INCREF(value);
-    op->func_doc = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_name(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_name == NULL)) {
-#if PY_MAJOR_VERSION >= 3
-        op->func_name = PyUnicode_InternFromString(op->func.m_ml->ml_name);
-#else
-        op->func_name = PyString_InternFromString(op->func.m_ml->ml_name);
-#endif
-        if (unlikely(op->func_name == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_name);
-    return op->func_name;
-}
-static int
-__Pyx_CyFunction_set_name(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__name__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_name;
-    Py_INCREF(value);
-    op->func_name = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_qualname(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_qualname);
-    return op->func_qualname;
-}
-static int
-__Pyx_CyFunction_set_qualname(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__qualname__ must be set to a string object");
-        return -1;
-    }
-    tmp = op->func_qualname;
-    Py_INCREF(value);
-    op->func_qualname = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_self(__pyx_CyFunctionObject *m, CYTHON_UNUSED void *closure)
-{
-    PyObject *self;
-    self = m->func_closure;
-    if (self == NULL)
-        self = Py_None;
-    Py_INCREF(self);
-    return self;
-}
-static PyObject *
-__Pyx_CyFunction_get_dict(__pyx_CyFunctionObject *op)
-{
-    if (unlikely(op->func_dict == NULL)) {
-        op->func_dict = PyDict_New();
-        if (unlikely(op->func_dict == NULL))
-            return NULL;
-    }
-    Py_INCREF(op->func_dict);
-    return op->func_dict;
-}
-static int
-__Pyx_CyFunction_set_dict(__pyx_CyFunctionObject *op, PyObject *value)
-{
-    PyObject *tmp;
-    if (unlikely(value == NULL)) {
-        PyErr_SetString(PyExc_TypeError,
-               "function's dictionary may not be deleted");
-        return -1;
-    }
-    if (unlikely(!PyDict_Check(value))) {
-        PyErr_SetString(PyExc_TypeError,
-               "setting function's dictionary to a non-dict");
-        return -1;
-    }
-    tmp = op->func_dict;
-    Py_INCREF(value);
-    op->func_dict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_globals(__pyx_CyFunctionObject *op)
-{
-    Py_INCREF(op->func_globals);
-    return op->func_globals;
-}
-static PyObject *
-__Pyx_CyFunction_get_closure(CYTHON_UNUSED __pyx_CyFunctionObject *op)
-{
-    Py_INCREF(Py_None);
-    return Py_None;
-}
-static PyObject *
-__Pyx_CyFunction_get_code(__pyx_CyFunctionObject *op)
-{
-    PyObject* result = (op->func_code) ? op->func_code : Py_None;
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_init_defaults(__pyx_CyFunctionObject *op) {
-    PyObject *res = op->defaults_getter((PyObject *) op);
-    if (unlikely(!res))
-        return -1;
-    op->defaults_tuple = PyTuple_GET_ITEM(res, 0);
-    Py_INCREF(op->defaults_tuple);
-    op->defaults_kwdict = PyTuple_GET_ITEM(res, 1);
-    Py_INCREF(op->defaults_kwdict);
-    Py_DECREF(res);
-    return 0;
-}
-static int
-__Pyx_CyFunction_set_defaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyTuple_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__defaults__ must be set to a tuple object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_tuple;
-    op->defaults_tuple = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_defaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_tuple;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_tuple;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_kwdefaults(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value) {
-        value = Py_None;
-    } else if (value != Py_None && !PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__kwdefaults__ must be set to a dict object");
-        return -1;
-    }
-    Py_INCREF(value);
-    tmp = op->defaults_kwdict;
-    op->defaults_kwdict = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_kwdefaults(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->defaults_kwdict;
-    if (unlikely(!result)) {
-        if (op->defaults_getter) {
-            if (__Pyx_CyFunction_init_defaults(op) < 0) return NULL;
-            result = op->defaults_kwdict;
-        } else {
-            result = Py_None;
-        }
-    }
-    Py_INCREF(result);
-    return result;
-}
-static int
-__Pyx_CyFunction_set_annotations(__pyx_CyFunctionObject *op, PyObject* value) {
-    PyObject* tmp;
-    if (!value || value == Py_None) {
-        value = NULL;
-    } else if (!PyDict_Check(value)) {
-        PyErr_SetString(PyExc_TypeError,
-                        "__annotations__ must be set to a dict object");
-        return -1;
-    }
-    Py_XINCREF(value);
-    tmp = op->func_annotations;
-    op->func_annotations = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_CyFunction_get_annotations(__pyx_CyFunctionObject *op) {
-    PyObject* result = op->func_annotations;
-    if (unlikely(!result)) {
-        result = PyDict_New();
-        if (unlikely(!result)) return NULL;
-        op->func_annotations = result;
-    }
-    Py_INCREF(result);
-    return result;
-}
-static PyGetSetDef __pyx_CyFunction_getsets[] = {
-    {(char *) "func_doc", (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "__doc__",  (getter)__Pyx_CyFunction_get_doc, (setter)__Pyx_CyFunction_set_doc, 0, 0},
-    {(char *) "func_name", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__name__", (getter)__Pyx_CyFunction_get_name, (setter)__Pyx_CyFunction_set_name, 0, 0},
-    {(char *) "__qualname__", (getter)__Pyx_CyFunction_get_qualname, (setter)__Pyx_CyFunction_set_qualname, 0, 0},
-    {(char *) "__self__", (getter)__Pyx_CyFunction_get_self, 0, 0, 0},
-    {(char *) "func_dict", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "__dict__", (getter)__Pyx_CyFunction_get_dict, (setter)__Pyx_CyFunction_set_dict, 0, 0},
-    {(char *) "func_globals", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "__globals__", (getter)__Pyx_CyFunction_get_globals, 0, 0, 0},
-    {(char *) "func_closure", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "__closure__", (getter)__Pyx_CyFunction_get_closure, 0, 0, 0},
-    {(char *) "func_code", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "__code__", (getter)__Pyx_CyFunction_get_code, 0, 0, 0},
-    {(char *) "func_defaults", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__defaults__", (getter)__Pyx_CyFunction_get_defaults, (setter)__Pyx_CyFunction_set_defaults, 0, 0},
-    {(char *) "__kwdefaults__", (getter)__Pyx_CyFunction_get_kwdefaults, (setter)__Pyx_CyFunction_set_kwdefaults, 0, 0},
-    {(char *) "__annotations__", (getter)__Pyx_CyFunction_get_annotations, (setter)__Pyx_CyFunction_set_annotations, 0, 0},
-    {0, 0, 0, 0, 0}
-};
-#ifndef PY_WRITE_RESTRICTED
-#define PY_WRITE_RESTRICTED WRITE_RESTRICTED
-#endif
-static PyMemberDef __pyx_CyFunction_members[] = {
-    {(char *) "__module__", T_OBJECT, offsetof(__pyx_CyFunctionObject, func.m_module), PY_WRITE_RESTRICTED, 0},
-    {0, 0, 0,  0, 0}
-};
-static PyObject *
-__Pyx_CyFunction_reduce(__pyx_CyFunctionObject *m, CYTHON_UNUSED PyObject *args)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromString(m->func.m_ml->ml_name);
-#else
-    return PyString_FromString(m->func.m_ml->ml_name);
-#endif
-}
-static PyMethodDef __pyx_CyFunction_methods[] = {
-    {"__reduce__", (PyCFunction)__Pyx_CyFunction_reduce, METH_VARARGS, 0},
-    {0, 0, 0, 0}
-};
-#if PY_VERSION_HEX < 0x030500A0
-#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func_weakreflist)
-#else
-#define __Pyx_CyFunction_weakreflist(cyfunc) ((cyfunc)->func.m_weakreflist)
-#endif
-static PyObject *__Pyx_CyFunction_New(PyTypeObject *type, PyMethodDef *ml, int flags, PyObject* qualname,
-                                      PyObject *closure, PyObject *module, PyObject* globals, PyObject* code) {
-    __pyx_CyFunctionObject *op = PyObject_GC_New(__pyx_CyFunctionObject, type);
-    if (op == NULL)
-        return NULL;
-    op->flags = flags;
-    __Pyx_CyFunction_weakreflist(op) = NULL;
-    op->func.m_ml = ml;
-    op->func.m_self = (PyObject *) op;
-    Py_XINCREF(closure);
-    op->func_closure = closure;
-    Py_XINCREF(module);
-    op->func.m_module = module;
-    op->func_dict = NULL;
-    op->func_name = NULL;
-    Py_INCREF(qualname);
-    op->func_qualname = qualname;
-    op->func_doc = NULL;
-    op->func_classobj = NULL;
-    op->func_globals = globals;
-    Py_INCREF(op->func_globals);
-    Py_XINCREF(code);
-    op->func_code = code;
-    op->defaults_pyobjects = 0;
-    op->defaults = NULL;
-    op->defaults_tuple = NULL;
-    op->defaults_kwdict = NULL;
-    op->defaults_getter = NULL;
-    op->func_annotations = NULL;
-    PyObject_GC_Track(op);
-    return (PyObject *) op;
-}
-static int
-__Pyx_CyFunction_clear(__pyx_CyFunctionObject *m)
-{
-    Py_CLEAR(m->func_closure);
-    Py_CLEAR(m->func.m_module);
-    Py_CLEAR(m->func_dict);
-    Py_CLEAR(m->func_name);
-    Py_CLEAR(m->func_qualname);
-    Py_CLEAR(m->func_doc);
-    Py_CLEAR(m->func_globals);
-    Py_CLEAR(m->func_code);
-    Py_CLEAR(m->func_classobj);
-    Py_CLEAR(m->defaults_tuple);
-    Py_CLEAR(m->defaults_kwdict);
-    Py_CLEAR(m->func_annotations);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_XDECREF(pydefaults[i]);
-        PyMem_Free(m->defaults);
-        m->defaults = NULL;
-    }
-    return 0;
-}
-static void __Pyx_CyFunction_dealloc(__pyx_CyFunctionObject *m)
-{
-    PyObject_GC_UnTrack(m);
-    if (__Pyx_CyFunction_weakreflist(m) != NULL)
-        PyObject_ClearWeakRefs((PyObject *) m);
-    __Pyx_CyFunction_clear(m);
-    PyObject_GC_Del(m);
-}
-static int __Pyx_CyFunction_traverse(__pyx_CyFunctionObject *m, visitproc visit, void *arg)
-{
-    Py_VISIT(m->func_closure);
-    Py_VISIT(m->func.m_module);
-    Py_VISIT(m->func_dict);
-    Py_VISIT(m->func_name);
-    Py_VISIT(m->func_qualname);
-    Py_VISIT(m->func_doc);
-    Py_VISIT(m->func_globals);
-    Py_VISIT(m->func_code);
-    Py_VISIT(m->func_classobj);
-    Py_VISIT(m->defaults_tuple);
-    Py_VISIT(m->defaults_kwdict);
-    if (m->defaults) {
-        PyObject **pydefaults = __Pyx_CyFunction_Defaults(PyObject *, m);
-        int i;
-        for (i = 0; i < m->defaults_pyobjects; i++)
-            Py_VISIT(pydefaults[i]);
-    }
-    return 0;
-}
-static PyObject *__Pyx_CyFunction_descr_get(PyObject *func, PyObject *obj, PyObject *type)
-{
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    if (m->flags & __Pyx_CYFUNCTION_STATICMETHOD) {
-        Py_INCREF(func);
-        return func;
-    }
-    if (m->flags & __Pyx_CYFUNCTION_CLASSMETHOD) {
-        if (type == NULL)
-            type = (PyObject *)(Py_TYPE(obj));
-        return PyMethod_New(func,
-                            type, (PyObject *)(Py_TYPE(type)));
-    }
-    if (obj == Py_None)
-        obj = NULL;
-    return PyMethod_New(func, obj, type);
-}
-static PyObject*
-__Pyx_CyFunction_repr(__pyx_CyFunctionObject *op)
-{
-#if PY_MAJOR_VERSION >= 3
-    return PyUnicode_FromFormat("<cyfunction %U at %p>",
-                                op->func_qualname, (void *)op);
-#else
-    return PyString_FromFormat("<cyfunction %s at %p>",
-                               PyString_AsString(op->func_qualname), (void *)op);
-#endif
-}
-#if CYTHON_COMPILING_IN_PYPY
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyCFunctionObject* f = (PyCFunctionObject*)func;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    Py_ssize_t size;
-    switch (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)) {
-    case METH_VARARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0)
-            return (*meth)(self, arg);
-        break;
-    case METH_VARARGS | METH_KEYWORDS:
-        return (*(PyCFunctionWithKeywords)meth)(self, arg, kw);
-    case METH_NOARGS:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 0)
-                return (*meth)(self, NULL);
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes no arguments (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    case METH_O:
-        if (likely(kw == NULL) || PyDict_Size(kw) == 0) {
-            size = PyTuple_GET_SIZE(arg);
-            if (size == 1)
-                return (*meth)(self, PyTuple_GET_ITEM(arg, 0));
-            PyErr_Format(PyExc_TypeError,
-                "%.200s() takes exactly one argument (%zd given)",
-                f->m_ml->ml_name, size);
-            return NULL;
-        }
-        break;
-    default:
-        PyErr_SetString(PyExc_SystemError, "Bad call flags in "
-                        "__Pyx_CyFunction_Call. METH_OLDARGS is no "
-                        "longer supported!");
-        return NULL;
-    }
-    PyErr_Format(PyExc_TypeError, "%.200s() takes no keyword arguments",
-                 f->m_ml->ml_name);
-    return NULL;
-}
-#else
-static PyObject * __Pyx_CyFunction_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-	return PyCFunction_Call(func, arg, kw);
-}
-#endif
-static PyTypeObject __pyx_CyFunctionType_type = {
-    PyVarObject_HEAD_INIT(0, 0)
-    "cython_function_or_method",
-    sizeof(__pyx_CyFunctionObject),
-    0,
-    (destructor) __Pyx_CyFunction_dealloc,
-    0,
-    0,
-    0,
-#if PY_MAJOR_VERSION < 3
-    0,
-#else
-    0,
-#endif
-    (reprfunc) __Pyx_CyFunction_repr,
-    0,
-    0,
-    0,
-    0,
-    __Pyx_CyFunction_Call,
-    0,
-    0,
-    0,
-    0,
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
-    0,
-    (traverseproc) __Pyx_CyFunction_traverse,
-    (inquiry) __Pyx_CyFunction_clear,
-    0,
-#if PY_VERSION_HEX < 0x030500A0
-    offsetof(__pyx_CyFunctionObject, func_weakreflist),
-#else
-    offsetof(PyCFunctionObject, m_weakreflist),
-#endif
-    0,
-    0,
-    __pyx_CyFunction_methods,
-    __pyx_CyFunction_members,
-    __pyx_CyFunction_getsets,
-    0,
-    0,
-    __Pyx_CyFunction_descr_get,
-    0,
-    offsetof(__pyx_CyFunctionObject, func_dict),
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-#if PY_VERSION_HEX >= 0x030400a1
-    0,
-#endif
-};
-static int __Pyx_CyFunction_init(void) {
-#if !CYTHON_COMPILING_IN_PYPY
-    __pyx_CyFunctionType_type.tp_call = PyCFunction_Call;
-#endif
-    __pyx_CyFunctionType = __Pyx_FetchCommonType(&__pyx_CyFunctionType_type);
-    if (__pyx_CyFunctionType == NULL) {
-        return -1;
-    }
-    return 0;
-}
-static CYTHON_INLINE void *__Pyx_CyFunction_InitDefaults(PyObject *func, size_t size, int pyobjects) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults = PyMem_Malloc(size);
-    if (!m->defaults)
-        return PyErr_NoMemory();
-    memset(m->defaults, 0, size);
-    m->defaults_pyobjects = pyobjects;
-    return m->defaults;
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsTuple(PyObject *func, PyObject *tuple) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_tuple = tuple;
-    Py_INCREF(tuple);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetDefaultsKwDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->defaults_kwdict = dict;
-    Py_INCREF(dict);
-}
-static CYTHON_INLINE void __Pyx_CyFunction_SetAnnotationsDict(PyObject *func, PyObject *dict) {
-    __pyx_CyFunctionObject *m = (__pyx_CyFunctionObject *) func;
-    m->func_annotations = dict;
-    Py_INCREF(dict);
-}
-
-static PyObject *__Pyx_Py3MetaclassPrepare(PyObject *metaclass, PyObject *bases, PyObject *name,
-                                           PyObject *qualname, PyObject *mkw, PyObject *modname, PyObject *doc) {
-    PyObject *ns;
-    if (metaclass) {
-        PyObject *prep = __Pyx_PyObject_GetAttrStr(metaclass, __pyx_n_s_prepare);
-        if (prep) {
-            PyObject *pargs = PyTuple_Pack(2, name, bases);
-            if (unlikely(!pargs)) {
-                Py_DECREF(prep);
-                return NULL;
-            }
-            ns = PyObject_Call(prep, pargs, mkw);
-            Py_DECREF(prep);
-            Py_DECREF(pargs);
-        } else {
-            if (unlikely(!PyErr_ExceptionMatches(PyExc_AttributeError)))
-                return NULL;
-            PyErr_Clear();
-            ns = PyDict_New();
-        }
-    } else {
-        ns = PyDict_New();
-    }
-    if (unlikely(!ns))
-        return NULL;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_module, modname) < 0)) goto bad;
-    if (unlikely(PyObject_SetItem(ns, __pyx_n_s_qualname, qualname) < 0)) goto bad;
-    if (unlikely(doc && PyObject_SetItem(ns, __pyx_n_s_doc, doc) < 0)) goto bad;
-    return ns;
-bad:
-    Py_DECREF(ns);
-    return NULL;
-}
-static PyObject *__Pyx_Py3ClassCreate(PyObject *metaclass, PyObject *name, PyObject *bases,
-                                      PyObject *dict, PyObject *mkw,
-                                      int calculate_metaclass, int allow_py2_metaclass) {
-    PyObject *result, *margs;
-    PyObject *owned_metaclass = NULL;
-    if (allow_py2_metaclass) {
-        owned_metaclass = PyObject_GetItem(dict, __pyx_n_s_metaclass);
-        if (owned_metaclass) {
-            metaclass = owned_metaclass;
-        } else if (likely(PyErr_ExceptionMatches(PyExc_KeyError))) {
-            PyErr_Clear();
-        } else {
-            return NULL;
-        }
-    }
-    if (calculate_metaclass && (!metaclass || PyType_Check(metaclass))) {
-        metaclass = __Pyx_CalculateMetaclass((PyTypeObject*) metaclass, bases);
-        Py_XDECREF(owned_metaclass);
-        if (unlikely(!metaclass))
-            return NULL;
-        owned_metaclass = metaclass;
-    }
-    margs = PyTuple_Pack(3, name, bases, dict);
-    if (unlikely(!margs)) {
-        result = NULL;
-    } else {
-        result = PyObject_Call(metaclass, margs, mkw);
-        Py_DECREF(margs);
-    }
-    Py_XDECREF(owned_metaclass);
-    return result;
-}
-
-static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = (start + end) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-#include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,
-        0,
-        0,
-        0,
-        0,
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyFrameObject *py_frame = 0;
-    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
-    }
-    py_frame = PyFrame_New(
-        PyThreadState_GET(), /*PyThreadState *tstate,*/
-        py_code,             /*PyCodeObject *code,*/
-        __pyx_d,      /*PyObject *globals,*/
-        0                    /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_VERSION_HEX < 0x03030000
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if (strchr(__Pyx_MODULE_NAME, '.')) {
-                #if PY_VERSION_HEX < 0x03030000
-                PyObject *py_level = PyInt_FromLong(1);
-                if (!py_level)
-                    goto bad;
-                module = PyObject_CallFunctionObjArgs(py_import,
-                    name, global_dict, empty_dict, list, py_level, NULL);
-                Py_DECREF(py_level);
-                #else
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                #endif
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0;
-        }
-        #endif
-        if (!module) {
-            #if PY_VERSION_HEX < 0x03030000
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
-    }
-bad:
-    #if PY_VERSION_HEX < 0x03030000
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)       \
-    {                                                                     \
-        func_type value = func_value;                                     \
-        if (sizeof(target_type) < sizeof(func_type)) {                    \
-            if (unlikely(value != (func_type) (target_type) value)) {     \
-                func_type zero = 0;                                       \
-                if (is_unsigned && unlikely(value < zero))                \
-                    goto raise_neg_overflow;                              \
-                else                                                      \
-                    goto raise_overflow;                                  \
-            }                                                             \
-        }                                                                 \
-        return (target_type) value;                                       \
-    }
-
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-  #include "longintrepr.h"
- #endif
-#endif
-
-static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-    const int neg_one = (int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int, digit, ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong(x))
-            } else if (sizeof(int) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong(x))
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +(((PyLongObject*)x)->ob_digit[0]));
-                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong(x))
-            } else if (sizeof(int) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong(x))
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to int");
-    return (int) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to int");
-    return (int) -1;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_int(unsigned int value) {
-    const unsigned int neg_one = (unsigned int) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(unsigned int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(unsigned int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(unsigned int) <= sizeof(unsigned long long)) {
-            return PyLong_FromUnsignedLongLong((unsigned long long) value);
-        }
-    } else {
-        if (sizeof(unsigned int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(unsigned int) <= sizeof(long long)) {
-            return PyLong_FromLongLong((long long) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(unsigned int),
-                                     little, !is_unsigned);
-    }
-}
-
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-    const long neg_one = (long) -1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long, digit, ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong(x))
-            } else if (sizeof(long) <= sizeof(unsigned long long)) {
-                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong(x))
-            }
-        } else {
-#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
- #if CYTHON_USE_PYLONG_INTERNALS
-            switch (Py_SIZE(x)) {
-                case  0: return 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +(((PyLongObject*)x)->ob_digit[0]));
-                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, -(sdigit) ((PyLongObject*)x)->ob_digit[0]);
-            }
- #endif
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong(x))
-            } else if (sizeof(long) <= sizeof(long long)) {
-                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong(x))
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_Int(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to long");
-    return (long) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to long");
-    return (long) -1;
-}
-
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = *type;
-    tstate->exc_value = *value;
-    tstate->exc_traceback = *tb;
-#else
-    PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb);
-    PyErr_SetExcInfo(*type, *value, *tb);
-#endif
-    *type = tmp_type;
-    *value = tmp_value;
-    *tb = tmp_tb;
-}
-
-static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) {
-    PyObject *method, *result = NULL;
-    method = __Pyx_PyObject_GetAttrStr(obj, method_name);
-    if (unlikely(!method)) goto bad;
-#if CYTHON_COMPILING_IN_CPYTHON
-    if (likely(PyMethod_Check(method))) {
-        PyObject *self = PyMethod_GET_SELF(method);
-        if (likely(self)) {
-            PyObject *args;
-            PyObject *function = PyMethod_GET_FUNCTION(method);
-            args = PyTuple_New(2);
-            if (unlikely(!args)) goto bad;
-            Py_INCREF(self);
-            PyTuple_SET_ITEM(args, 0, self);
-            Py_INCREF(arg);
-            PyTuple_SET_ITEM(args, 1, arg);
-            Py_INCREF(function);
-            Py_DECREF(method); method = NULL;
-            result = __Pyx_PyObject_Call(function, args, NULL);
-            Py_DECREF(args);
-            Py_DECREF(function);
-            return result;
-        }
-    }
-#endif
-    result = __Pyx_PyObject_CallOneArg(method, arg);
-bad:
-    Py_XDECREF(method);
-    return result;
-}
-
-static PyObject *__Pyx_Generator_Next(PyObject *self);
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value);
-static PyObject *__Pyx_Generator_Close(PyObject *self);
-static PyObject *__Pyx_Generator_Throw(PyObject *gen, PyObject *args);
-static PyTypeObject *__pyx_GeneratorType = 0;
-#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType)
-#define __Pyx_Generator_Undelegate(gen) Py_CLEAR((gen)->yieldfrom)
-#if 1 || PY_VERSION_HEX < 0x030300B0
-static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue) {
-    PyObject *et, *ev, *tb;
-    PyObject *value = NULL;
-    __Pyx_ErrFetch(&et, &ev, &tb);
-    if (!et) {
-        Py_XDECREF(tb);
-        Py_XDECREF(ev);
-        Py_INCREF(Py_None);
-        *pvalue = Py_None;
-        return 0;
-    }
-    if (unlikely(et != PyExc_StopIteration) &&
-            unlikely(!PyErr_GivenExceptionMatches(et, PyExc_StopIteration))) {
-        __Pyx_ErrRestore(et, ev, tb);
-        return -1;
-    }
-    if (likely(et == PyExc_StopIteration)) {
-        if (likely(!ev) || !PyObject_IsInstance(ev, PyExc_StopIteration)) {
-            if (!ev) {
-                Py_INCREF(Py_None);
-                ev = Py_None;
-            }
-            Py_XDECREF(tb);
-            Py_DECREF(et);
-            *pvalue = ev;
-            return 0;
-        }
-    }
-    PyErr_NormalizeException(&et, &ev, &tb);
-    if (unlikely(!PyObject_IsInstance(ev, PyExc_StopIteration))) {
-        __Pyx_ErrRestore(et, ev, tb);
-        return -1;
-    }
-    Py_XDECREF(tb);
-    Py_DECREF(et);
-#if PY_VERSION_HEX >= 0x030300A0
-    value = ((PyStopIterationObject *)ev)->value;
-    Py_INCREF(value);
-    Py_DECREF(ev);
-#else
-    {
-        PyObject* args = PyObject_GetAttr(ev, __pyx_n_s_args);
-        Py_DECREF(ev);
-        if (likely(args)) {
-            value = PyObject_GetItem(args, 0);
-            Py_DECREF(args);
-        }
-        if (unlikely(!value)) {
-            __Pyx_ErrRestore(NULL, NULL, NULL);
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-    }
-#endif
-    *pvalue = value;
-    return 0;
-}
-#endif
-static CYTHON_INLINE
-void __Pyx_Generator_ExceptionClear(__pyx_GeneratorObject *self) {
-    PyObject *exc_type = self->exc_type;
-    PyObject *exc_value = self->exc_value;
-    PyObject *exc_traceback = self->exc_traceback;
-    self->exc_type = NULL;
-    self->exc_value = NULL;
-    self->exc_traceback = NULL;
-    Py_XDECREF(exc_type);
-    Py_XDECREF(exc_value);
-    Py_XDECREF(exc_traceback);
-}
-static CYTHON_INLINE
-int __Pyx_Generator_CheckRunning(__pyx_GeneratorObject *gen) {
-    if (unlikely(gen->is_running)) {
-        PyErr_SetString(PyExc_ValueError,
-                        "generator already executing");
-        return 1;
-    }
-    return 0;
-}
-static CYTHON_INLINE
-PyObject *__Pyx_Generator_SendEx(__pyx_GeneratorObject *self, PyObject *value) {
-    PyObject *retval;
-    assert(!self->is_running);
-    if (unlikely(self->resume_label == 0)) {
-        if (unlikely(value && value != Py_None)) {
-            PyErr_SetString(PyExc_TypeError,
-                            "can't send non-None value to a "
-                            "just-started generator");
-            return NULL;
-        }
-    }
-    if (unlikely(self->resume_label == -1)) {
-        PyErr_SetNone(PyExc_StopIteration);
-        return NULL;
-    }
-    if (value) {
-#if CYTHON_COMPILING_IN_PYPY
-#else
-        if (self->exc_traceback) {
-            PyThreadState *tstate = PyThreadState_GET();
-            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
-            PyFrameObject *f = tb->tb_frame;
-            Py_XINCREF(tstate->frame);
-            assert(f->f_back == NULL);
-            f->f_back = tstate->frame;
-        }
-#endif
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
-                            &self->exc_traceback);
-    } else {
-        __Pyx_Generator_ExceptionClear(self);
-    }
-    self->is_running = 1;
-    retval = self->body((PyObject *) self, value);
-    self->is_running = 0;
-    if (retval) {
-        __Pyx_ExceptionSwap(&self->exc_type, &self->exc_value,
-                            &self->exc_traceback);
-#if CYTHON_COMPILING_IN_PYPY
-#else
-        if (self->exc_traceback) {
-            PyTracebackObject *tb = (PyTracebackObject *) self->exc_traceback;
-            PyFrameObject *f = tb->tb_frame;
-            Py_CLEAR(f->f_back);
-        }
-#endif
-    } else {
-        __Pyx_Generator_ExceptionClear(self);
-    }
-    return retval;
-}
-static CYTHON_INLINE
-PyObject *__Pyx_Generator_FinishDelegation(__pyx_GeneratorObject *gen) {
-    PyObject *ret;
-    PyObject *val = NULL;
-    __Pyx_Generator_Undelegate(gen);
-    __Pyx_PyGen_FetchStopIterationValue(&val);
-    ret = __Pyx_Generator_SendEx(gen, val);
-    Py_XDECREF(val);
-    return ret;
-}
-static PyObject *__Pyx_Generator_Next(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
-    PyObject *yf = gen->yieldfrom;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        PyObject *ret;
-        gen->is_running = 1;
-        ret = Py_TYPE(yf)->tp_iternext(yf);
-        gen->is_running = 0;
-        if (likely(ret)) {
-            return ret;
-        }
-        return __Pyx_Generator_FinishDelegation(gen);
-    }
-    return __Pyx_Generator_SendEx(gen, Py_None);
-}
-static PyObject *__Pyx_Generator_Send(PyObject *self, PyObject *value) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject*) self;
-    PyObject *yf = gen->yieldfrom;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        PyObject *ret;
-        gen->is_running = 1;
-        if (__Pyx_Generator_CheckExact(yf)) {
-            ret = __Pyx_Generator_Send(yf, value);
-        } else {
-            if (value == Py_None)
-                ret = PyIter_Next(yf);
-            else
-                ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value);
-        }
-        gen->is_running = 0;
-        if (likely(ret)) {
-            return ret;
-        }
-        return __Pyx_Generator_FinishDelegation(gen);
-    }
-    return __Pyx_Generator_SendEx(gen, value);
-}
-static int __Pyx_Generator_CloseIter(__pyx_GeneratorObject *gen, PyObject *yf) {
-    PyObject *retval = NULL;
-    int err = 0;
-    if (__Pyx_Generator_CheckExact(yf)) {
-        retval = __Pyx_Generator_Close(yf);
-        if (!retval)
-            return -1;
-    } else {
-        PyObject *meth;
-        gen->is_running = 1;
-        meth = PyObject_GetAttr(yf, __pyx_n_s_close);
-        if (unlikely(!meth)) {
-            if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
-                PyErr_WriteUnraisable(yf);
-            }
-            PyErr_Clear();
-        } else {
-            retval = PyObject_CallFunction(meth, NULL);
-            Py_DECREF(meth);
-            if (!retval)
-                err = -1;
-        }
-        gen->is_running = 0;
-    }
-    Py_XDECREF(retval);
-    return err;
-}
-static PyObject *__Pyx_Generator_Close(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject *retval, *raised_exception;
-    PyObject *yf = gen->yieldfrom;
-    int err = 0;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        Py_INCREF(yf);
-        err = __Pyx_Generator_CloseIter(gen, yf);
-        __Pyx_Generator_Undelegate(gen);
-        Py_DECREF(yf);
-    }
-    if (err == 0)
-        PyErr_SetNone(PyExc_GeneratorExit);
-    retval = __Pyx_Generator_SendEx(gen, NULL);
-    if (retval) {
-        Py_DECREF(retval);
-        PyErr_SetString(PyExc_RuntimeError,
-                        "generator ignored GeneratorExit");
-        return NULL;
-    }
-    raised_exception = PyErr_Occurred();
-    if (!raised_exception
-        || raised_exception == PyExc_StopIteration
-        || raised_exception == PyExc_GeneratorExit
-        || PyErr_GivenExceptionMatches(raised_exception, PyExc_GeneratorExit)
-        || PyErr_GivenExceptionMatches(raised_exception, PyExc_StopIteration))
-    {
-        if (raised_exception) PyErr_Clear();
-        Py_INCREF(Py_None);
-        return Py_None;
-    }
-    return NULL;
-}
-static PyObject *__Pyx_Generator_Throw(PyObject *self, PyObject *args) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject *typ;
-    PyObject *tb = NULL;
-    PyObject *val = NULL;
-    PyObject *yf = gen->yieldfrom;
-    if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb))
-        return NULL;
-    if (unlikely(__Pyx_Generator_CheckRunning(gen)))
-        return NULL;
-    if (yf) {
-        PyObject *ret;
-        Py_INCREF(yf);
-        if (PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit)) {
-            int err = __Pyx_Generator_CloseIter(gen, yf);
-            Py_DECREF(yf);
-            __Pyx_Generator_Undelegate(gen);
-            if (err < 0)
-                return __Pyx_Generator_SendEx(gen, NULL);
-            goto throw_here;
-        }
-        gen->is_running = 1;
-        if (__Pyx_Generator_CheckExact(yf)) {
-            ret = __Pyx_Generator_Throw(yf, args);
-        } else {
-            PyObject *meth = PyObject_GetAttr(yf, __pyx_n_s_throw);
-            if (unlikely(!meth)) {
-                Py_DECREF(yf);
-                if (!PyErr_ExceptionMatches(PyExc_AttributeError)) {
-                    gen->is_running = 0;
-                    return NULL;
-                }
-                PyErr_Clear();
-                __Pyx_Generator_Undelegate(gen);
-                gen->is_running = 0;
-                goto throw_here;
-            }
-            ret = PyObject_CallObject(meth, args);
-            Py_DECREF(meth);
-        }
-        gen->is_running = 0;
-        Py_DECREF(yf);
-        if (!ret) {
-            ret = __Pyx_Generator_FinishDelegation(gen);
-        }
-        return ret;
-    }
-throw_here:
-    __Pyx_Raise(typ, val, tb, NULL);
-    return __Pyx_Generator_SendEx(gen, NULL);
-}
-static int __Pyx_Generator_traverse(PyObject *self, visitproc visit, void *arg) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    Py_VISIT(gen->closure);
-    Py_VISIT(gen->classobj);
-    Py_VISIT(gen->yieldfrom);
-    Py_VISIT(gen->exc_type);
-    Py_VISIT(gen->exc_value);
-    Py_VISIT(gen->exc_traceback);
-    return 0;
-}
-static int __Pyx_Generator_clear(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    Py_CLEAR(gen->closure);
-    Py_CLEAR(gen->classobj);
-    Py_CLEAR(gen->yieldfrom);
-    Py_CLEAR(gen->exc_type);
-    Py_CLEAR(gen->exc_value);
-    Py_CLEAR(gen->exc_traceback);
-    Py_CLEAR(gen->gi_name);
-    Py_CLEAR(gen->gi_qualname);
-    return 0;
-}
-static void __Pyx_Generator_dealloc(PyObject *self) {
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    PyObject_GC_UnTrack(gen);
-    if (gen->gi_weakreflist != NULL)
-        PyObject_ClearWeakRefs(self);
-    if (gen->resume_label > 0) {
-        PyObject_GC_Track(self);
-#if PY_VERSION_HEX >= 0x030400a1
-        if (PyObject_CallFinalizerFromDealloc(self))
-#else
-        Py_TYPE(gen)->tp_del(self);
-        if (self->ob_refcnt > 0)
-#endif
-        {
-            return;
-        }
-        PyObject_GC_UnTrack(self);
-    }
-    __Pyx_Generator_clear(self);
-    PyObject_GC_Del(gen);
-}
-static void __Pyx_Generator_del(PyObject *self) {
-    PyObject *res;
-    PyObject *error_type, *error_value, *error_traceback;
-    __pyx_GeneratorObject *gen = (__pyx_GeneratorObject *) self;
-    if (gen->resume_label <= 0)
-        return ;
-#if PY_VERSION_HEX < 0x030400a1
-    assert(self->ob_refcnt == 0);
-    self->ob_refcnt = 1;
-#endif
-    __Pyx_ErrFetch(&error_type, &error_value, &error_traceback);
-    res = __Pyx_Generator_Close(self);
-    if (res == NULL)
-        PyErr_WriteUnraisable(self);
-    else
-        Py_DECREF(res);
-    __Pyx_ErrRestore(error_type, error_value, error_traceback);
-#if PY_VERSION_HEX < 0x030400a1
-    assert(self->ob_refcnt > 0);
-    if (--self->ob_refcnt == 0) {
-        return;
-    }
-    {
-        Py_ssize_t refcnt = self->ob_refcnt;
-        _Py_NewReference(self);
-        self->ob_refcnt = refcnt;
-    }
-#if CYTHON_COMPILING_IN_CPYTHON
-    assert(PyType_IS_GC(self->ob_type) &&
-           _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED);
-    _Py_DEC_REFTOTAL;
-#endif
-#ifdef COUNT_ALLOCS
-    --Py_TYPE(self)->tp_frees;
-    --Py_TYPE(self)->tp_allocs;
-#endif
-#endif
-}
-static PyObject *
-__Pyx_Generator_get_name(__pyx_GeneratorObject *self)
-{
-    Py_INCREF(self->gi_name);
-    return self->gi_name;
-}
-static int
-__Pyx_Generator_set_name(__pyx_GeneratorObject *self, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__name__ must be set to a string object");
-        return -1;
-    }
-    tmp = self->gi_name;
-    Py_INCREF(value);
-    self->gi_name = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyObject *
-__Pyx_Generator_get_qualname(__pyx_GeneratorObject *self)
-{
-    Py_INCREF(self->gi_qualname);
-    return self->gi_qualname;
-}
-static int
-__Pyx_Generator_set_qualname(__pyx_GeneratorObject *self, PyObject *value)
-{
-    PyObject *tmp;
-#if PY_MAJOR_VERSION >= 3
-    if (unlikely(value == NULL || !PyUnicode_Check(value))) {
-#else
-    if (unlikely(value == NULL || !PyString_Check(value))) {
-#endif
-        PyErr_SetString(PyExc_TypeError,
-                        "__qualname__ must be set to a string object");
-        return -1;
-    }
-    tmp = self->gi_qualname;
-    Py_INCREF(value);
-    self->gi_qualname = value;
-    Py_XDECREF(tmp);
-    return 0;
-}
-static PyGetSetDef __pyx_Generator_getsets[] = {
-    {(char *) "__name__", (getter)__Pyx_Generator_get_name, (setter)__Pyx_Generator_set_name,
-     (char*) PyDoc_STR("name of the generator"), 0},
-    {(char *) "__qualname__", (getter)__Pyx_Generator_get_qualname, (setter)__Pyx_Generator_set_qualname,
-     (char*) PyDoc_STR("qualified name of the generator"), 0},
-    {0, 0, 0, 0, 0}
-};
-static PyMemberDef __pyx_Generator_memberlist[] = {
-    {(char *) "gi_running", T_BOOL, offsetof(__pyx_GeneratorObject, is_running), READONLY, NULL},
-    {0, 0, 0, 0, 0}
-};
-static PyMethodDef __pyx_Generator_methods[] = {
-    {"send", (PyCFunction) __Pyx_Generator_Send, METH_O, 0},
-    {"throw", (PyCFunction) __Pyx_Generator_Throw, METH_VARARGS, 0},
-    {"close", (PyCFunction) __Pyx_Generator_Close, METH_NOARGS, 0},
-    {0, 0, 0, 0}
-};
-static PyTypeObject __pyx_GeneratorType_type = {
-    PyVarObject_HEAD_INIT(0, 0)
-    "generator",
-    sizeof(__pyx_GeneratorObject),
-    0,
-    (destructor) __Pyx_Generator_dealloc,
-    0,
-    0,
-    0,
-#if PY_MAJOR_VERSION < 3
-    0,
-#else
-    0,
-#endif
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE,
-    0,
-    (traverseproc) __Pyx_Generator_traverse,
-    0,
-    0,
-    offsetof(__pyx_GeneratorObject, gi_weakreflist),
-    0,
-    (iternextfunc) __Pyx_Generator_Next,
-    __pyx_Generator_methods,
-    __pyx_Generator_memberlist,
-    __pyx_Generator_getsets,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-    0,
-#if PY_VERSION_HEX >= 0x030400a1
-    0,
-#else
-    __Pyx_Generator_del,
-#endif
-    0,
-#if PY_VERSION_HEX >= 0x030400a1
-    __Pyx_Generator_del,
-#endif
-};
-static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                                  PyObject *closure, PyObject *name, PyObject *qualname) {
-    __pyx_GeneratorObject *gen =
-        PyObject_GC_New(__pyx_GeneratorObject, &__pyx_GeneratorType_type);
-    if (gen == NULL)
-        return NULL;
-    gen->body = body;
-    gen->closure = closure;
-    Py_XINCREF(closure);
-    gen->is_running = 0;
-    gen->resume_label = 0;
-    gen->classobj = NULL;
-    gen->yieldfrom = NULL;
-    gen->exc_type = NULL;
-    gen->exc_value = NULL;
-    gen->exc_traceback = NULL;
-    gen->gi_weakreflist = NULL;
-    Py_XINCREF(qualname);
-    gen->gi_qualname = qualname;
-    Py_XINCREF(name);
-    gen->gi_name = name;
-    PyObject_GC_Track(gen);
-    return gen;
-}
-static int __pyx_Generator_init(void) {
-    __pyx_GeneratorType_type.tp_getattro = PyObject_GenericGetAttr;
-    __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter;
-    __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type);
-    if (__pyx_GeneratorType == NULL) {
-        return -1;
-    }
-    return 0;
-}
-
-static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        return PyErr_WarnEx(NULL, message, 1);
-    }
-    return 0;
-}
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-#if PY_VERSION_HEX < 0x03030000
-        char* defenc_c;
-        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-        if (!defenc) return NULL;
-        defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        {
-            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-            char* c;
-            for (c = defenc_c; c < end; c++) {
-                if ((unsigned char) (*c) >= 128) {
-                    PyUnicode_AsASCIIString(o);
-                    return NULL;
-                }
-            }
-        }
-#endif
-        *length = PyBytes_GET_SIZE(defenc);
-        return defenc_c;
-#else
-        if (__Pyx_PyUnicode_READY(o) == -1) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-        if (PyUnicode_IS_ASCII(o)) {
-            *length = PyUnicode_GET_LENGTH(o);
-            return PyUnicode_AsUTF8(o);
-        } else {
-            PyUnicode_AsASCIIString(o);
-            return NULL;
-        }
-#else
-        return PyUnicode_AsUTF8AndSize(o, length);
-#endif
-#endif
-    } else
-#endif
-#if !CYTHON_COMPILING_IN_PYPY
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
-  PyNumberMethods *m;
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (PyInt_Check(x) || PyLong_Check(x))
-#else
-  if (PyLong_Check(x))
-#endif
-    return Py_INCREF(x), x;
-  m = Py_TYPE(x)->tp_as_number;
-#if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = PyNumber_Long(x);
-  }
-#else
-  if (m && m->nb_int) {
-    name = "int";
-    res = PyNumber_Long(x);
-  }
-#endif
-  if (res) {
-#if PY_MAJOR_VERSION < 3
-    if (!PyInt_Check(res) && !PyLong_Check(res)) {
-#else
-    if (!PyLong_Check(res)) {
-#endif
-      PyErr_Format(PyExc_TypeError,
-                   "__%.4s__ returned non-%.4s (type %.200s)",
-                   name, name, Py_TYPE(res)->tp_name);
-      Py_DECREF(res);
-      return NULL;
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b)))
-      return PyInt_AS_LONG(b);
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
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diff --git a/fiona/_geometry.cpp b/fiona/_geometry.cpp
deleted file mode 100644
index c0613e4..0000000
--- a/fiona/_geometry.cpp
+++ /dev/null
@@ -1,14460 +0,0 @@
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-  #if defined(__GNUC__)
-    #define CYTHON_INLINE __inline__
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-    #define CYTHON_INLINE __inline
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-    #define CYTHON_INLINE inline
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-    #define CYTHON_INLINE
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-#ifndef CYTHON_RESTRICT
-  #if defined(__GNUC__)
-    #define CYTHON_RESTRICT __restrict__
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-    #define CYTHON_RESTRICT __restrict
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-    #define CYTHON_RESTRICT restrict
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-#define __PYX_NAN() ((float) NAN)
-#else
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-   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
-   a quiet NaN. */
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-  return value;
-}
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-#ifdef __cplusplus
-template<typename T>
-void __Pyx_call_destructor(T* x) {
-    x->~T();
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-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
-  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
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-  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
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-#ifndef __PYX_EXTERN_C
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-#if defined(WIN32) || defined(MS_WINDOWS)
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-#define __PYX_HAVE_API__fiona___geometry
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-#include "ogr_core.h"
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-#include "ogr_geometry.h"
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-
-#ifdef PYREX_WITHOUT_ASSERTIONS
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-                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;
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-#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
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-{
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-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
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-    if (!sys) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    Py_DECREF(sys);
-    if (!default_encoding) goto bad;
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-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
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-        Py_DECREF(ascii_chars_b);
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-    return 0;
-bad:
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-    Py_XDECREF(ascii_chars_b);
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-#endif
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-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (!sys) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    Py_DECREF(sys);
-    if (!default_encoding) goto bad;
-    default_encoding_c = PyBytes_AsString(default_encoding);
-    if (!default_encoding_c) goto bad;
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
-    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
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-    Py_DECREF(default_encoding);
-    return 0;
-bad:
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-    return -1;
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-
-/* Test for GCC > 2.95 */
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-#else /* !__GNUC__ or GCC < 2.95 */
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-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-
-static PyObject *__pyx_m;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-
-static const char *__pyx_f[] = {
-  "fiona/_geometry.pyx",
-};
-
-/* "ograpi.pxd":15
- *     void    CSLDestroy (char **list)
- * 
- * ctypedef int OGRErr             # <<<<<<<<<<<<<<
- * ctypedef struct OGREnvelope:
- *     double MinX
- */
-typedef int __pyx_t_5fiona_6ograpi_OGRErr;
-
-/*--- Type declarations ---*/
-struct __pyx_obj_5fiona_9_geometry_GeomBuilder;
-struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder;
-struct __pyx_obj_5fiona_9_geometry___pyx_scope_struct__genexpr;
-struct __pyx_t_5fiona_6ograpi_OGREnvelope;
-typedef struct __pyx_t_5fiona_6ograpi_OGREnvelope __pyx_t_5fiona_6ograpi_OGREnvelope;
-
-/* "ograpi.pxd":16
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- * ctypedef int OGRErr
- * ctypedef struct OGREnvelope:             # <<<<<<<<<<<<<<
- *     double MinX
- *     double MaxX
- */
-struct __pyx_t_5fiona_6ograpi_OGREnvelope {
-  double MinX;
-  double MaxX;
-  double MinY;
-  double MaxY;
-};
-
-/* "fiona/_geometry.pxd":2
- * 
- * cdef class GeomBuilder:             # <<<<<<<<<<<<<<
- *     cdef void *geom
- *     cdef object code
- */
-struct __pyx_obj_5fiona_9_geometry_GeomBuilder {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5fiona_9_geometry_GeomBuilder *__pyx_vtab;
-  void *geom;
-  PyObject *code;
-  PyObject *geomtypename;
-  PyObject *ndims;
-};
-
-
-/* "fiona/_geometry.pxd":21
- * 
- * 
- * cdef class OGRGeomBuilder:             # <<<<<<<<<<<<<<
- *     cdef void * _createOgrGeometry(self, int geom_type)
- *     cdef _addPointToGeometry(self, void *cogr_geometry, object coordinate)
- */
-struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder {
-  PyObject_HEAD
-  struct __pyx_vtabstruct_5fiona_9_geometry_OGRGeomBuilder *__pyx_vtab;
-};
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-  } catch (const std::bad_cast& exn) {
-    PyErr_SetString(PyExc_TypeError, exn.what());
-  } catch (const std::domain_error& exn) {
-    PyErr_SetString(PyExc_ValueError, exn.what());
-  } catch (const std::invalid_argument& exn) {
-    PyErr_SetString(PyExc_ValueError, exn.what());
-  } catch (const std::ios_base::failure& exn) {
-    PyErr_SetString(PyExc_IOError, exn.what());
-  } catch (const std::out_of_range& exn) {
-    PyErr_SetString(PyExc_IndexError, exn.what());
-  } catch (const std::overflow_error& exn) {
-    PyErr_SetString(PyExc_OverflowError, exn.what());
-  } catch (const std::range_error& exn) {
-    PyErr_SetString(PyExc_ArithmeticError, exn.what());
-  } catch (const std::underflow_error& exn) {
-    PyErr_SetString(PyExc_ArithmeticError, exn.what());
-  } catch (const std::exception& exn) {
-    PyErr_SetString(PyExc_RuntimeError, exn.what());
-  }
-  catch (...)
-  {
-    PyErr_SetString(PyExc_RuntimeError, "Unknown exception");
-  }
-}
-#endif
-
-static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
-
-static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb);
-
-static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg);
-
-#define __Pyx_Generator_USED
-#include <structmember.h>
-#include <frameobject.h>
-typedef PyObject *(*__pyx_generator_body_t)(PyObject *, PyObject *);
-typedef struct {
-    PyObject_HEAD
-    __pyx_generator_body_t body;
-    PyObject *closure;
-    PyObject *exc_type;
-    PyObject *exc_value;
-    PyObject *exc_traceback;
-    PyObject *gi_weakreflist;
-    PyObject *classobj;
-    PyObject *yieldfrom;
-    PyObject *gi_name;
-    PyObject *gi_qualname;
-    int resume_label;
-    char is_running;
-} __pyx_GeneratorObject;
-static __pyx_GeneratorObject *__Pyx_Generator_New(__pyx_generator_body_t body,
-                                                  PyObject *closure, PyObject *name, PyObject *qualname);
-static int __pyx_Generator_init(void);
-static int __Pyx_Generator_clear(PyObject* self);
-#if 1 || PY_VERSION_HEX < 0x030300B0
-static int __Pyx_PyGen_FetchStopIterationValue(PyObject **pvalue);
-#else
-#define __Pyx_PyGen_FetchStopIterationValue(pvalue) PyGen_FetchStopIterationValue(pvalue)
-#endif
-
-static int __Pyx_check_binary_version(void);
-
-static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
-
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildCoords(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, void *__pyx_v_geom); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildPoint(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildLineString(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildLinearRing(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildParts(CYTHON_UNUSED struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, void *__pyx_v_geom); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildPolygon(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildMultiPoint(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildMultiLineString(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildMultiPolygon(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder__buildGeometryCollection(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, int __pyx_skip_dispatch); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder_build(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, void *__pyx_v_geom); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_11GeomBuilder_build_wkb(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, PyObject *__pyx_v_wkb, int __pyx_skip_dispatch); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__createOgrGeometry(CYTHON_UNUSED struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, int __pyx_v_geom_type); /* proto*/
-static PyObject *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__addPointToGeometry(CYTHON_UNUSED struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, void *__pyx_v_cogr_geometry, PyObject *__pyx_v_coordinate); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__buildPoint(struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, PyObject *__pyx_v_coordinates); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__buildLineString(struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, PyObject *__pyx_v_coordinates); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__buildLinearRing(struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, PyObject *__pyx_v_coordinates); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__buildPolygon(struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, PyObject *__pyx_v_coordinates); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__buildMultiPoint(struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, PyObject *__pyx_v_coordinates); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__buildMultiLineString(struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, PyObject *__pyx_v_coordinates); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__buildMultiPolygon(struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, PyObject *__pyx_v_coordinates); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder__buildGeometryCollection(struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, PyObject *__pyx_v_coordinates); /* proto*/
-static void *__pyx_f_5fiona_9_geometry_14OGRGeomBuilder_build(struct __pyx_obj_5fiona_9_geometry_OGRGeomBuilder *__pyx_v_self, PyObject *__pyx_v_geometry); /* proto*/
-
-/* Module declarations from 'fiona' */
-
-/* Module declarations from 'fiona.ograpi' */
-
-/* Module declarations from 'fiona._geometry' */
-static PyTypeObject *__pyx_ptype_5fiona_9_geometry_GeomBuilder = 0;
-static PyTypeObject *__pyx_ptype_5fiona_9_geometry_OGRGeomBuilder = 0;
-static PyTypeObject *__pyx_ptype_5fiona_9_geometry___pyx_scope_struct__genexpr = 0;
-static void *__pyx_f_5fiona_9_geometry__osr_from_crs(PyObject *); /*proto*/
-static void *__pyx_f_5fiona_9_geometry__createOgrGeomFromWKB(PyObject *); /*proto*/
-static PyObject *__pyx_f_5fiona_9_geometry__deleteOgrGeom(void *); /*proto*/
-#define __Pyx_MODULE_NAME "fiona._geometry"
-int __pyx_module_is_main_fiona___geometry = 0;
-
-/* Implementation of 'fiona._geometry' */
-static PyObject *__pyx_builtin_object;
-static PyObject *__pyx_builtin_range;
-static PyObject *__pyx_builtin_ValueError;
-static PyObject *__pyx_builtin_Exception;
-static PyObject *__pyx_builtin_round;
-static PyObject *__pyx_builtin_zip;
-static PyObject *__pyx_pf_5fiona_9_geometry_6genexpr(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11NullHandler_emit(CYTHON_UNUSED PyObject *__pyx_self, CYTHON_UNUSED PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_record); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry__transform(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_src_crs, PyObject *__pyx_v_dst_crs, PyObject *__pyx_v_xs, PyObject *__pyx_v_ys); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_17DimensionsHandler_getNumDimsPoint(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_17DimensionsHandler_2getNumDimsLineString(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_17DimensionsHandler_4getNumDimsLinearRing(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_17DimensionsHandler_6getNumDimsPolygon(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_17DimensionsHandler_8getNumDimsMultiPoint(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_17DimensionsHandler_10getNumDimsMultiLineString(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_17DimensionsHandler_12getNumDimsMultiPolygon(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_17DimensionsHandler_14getNumDimsGeometryCollection(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_17DimensionsHandler_16getNumDims(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_self, PyObject *__pyx_v_geom_type, PyObject *__pyx_v_coordinates); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11GeomBuilder__buildPoint(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11GeomBuilder_2_buildLineString(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11GeomBuilder_4_buildLinearRing(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11GeomBuilder_6_buildPolygon(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11GeomBuilder_8_buildMultiPoint(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11GeomBuilder_10_buildMultiLineString(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11GeomBuilder_12_buildMultiPolygon(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11GeomBuilder_14_buildGeometryCollection(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_11GeomBuilder_16build_wkb(struct __pyx_obj_5fiona_9_geometry_GeomBuilder *__pyx_v_self, PyObject *__pyx_v_wkb); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_2geometryRT(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_geometry); /* proto */
-static PyObject *__pyx_pf_5fiona_9_geometry_4_transform_geom(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v_src_crs, PyObject *__pyx_v_dst_crs, PyObject *__pyx_v_geom, PyObject *__pyx_v_antimeridian_cutting, PyObject *__pyx_v_antimeridian_offset, PyObject *__pyx_v_precision); /* proto */
-static PyObject *__pyx_tp_new_5fiona_9_geometry_GeomBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5fiona_9_geometry_OGRGeomBuilder(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static PyObject *__pyx_tp_new_5fiona_9_geometry___pyx_scope_struct__genexpr(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
-static char __pyx_k_g[] = "g";
-static char __pyx_k_i[] = "i";
-static char __pyx_k_n[] = "n";
-static char __pyx_k_s[] = "+%s";
-static char __pyx_k_v[] = "v";
-static char __pyx_k_x[] = "x";
-static char __pyx_k_y[] = "y";
-static char __pyx_k__2[] = ":";
-static char __pyx_k__4[] = " ";
-static char __pyx_k_xp[] = "xp";
-static char __pyx_k_xs[] = "xs";
-static char __pyx_k_yp[] = "yp";
-static char __pyx_k_ys[] = "ys";
-static char __pyx_k_YES[] = "YES";
-static char __pyx_k_doc[] = "__doc__";
-static char __pyx_k_dst[] = "dst";
-static char __pyx_k_get[] = "get";
-static char __pyx_k_log[] = "log";
-static char __pyx_k_res[] = "res";
-static char __pyx_k_s_s[] = "+%s=%s";
-static char __pyx_k_src[] = "src";
-static char __pyx_k_zip[] = "zip";
-static char __pyx_k_EPSG[] = "EPSG";
-static char __pyx_k_None[] = "None";
-static char __pyx_k_args[] = "args";
-static char __pyx_k_emit[] = "emit";
-static char __pyx_k_geom[] = "geom";
-static char __pyx_k_init[] = "init";
-static char __pyx_k_join[] = "join";
-static char __pyx_k_main[] = "__main__";
-static char __pyx_k_part[] = "part";
-static char __pyx_k_ring[] = "ring";
-static char __pyx_k_self[] = "self";
-static char __pyx_k_send[] = "send";
-static char __pyx_k_test[] = "__test__";
-static char __pyx_k_type[] = "type";
-static char __pyx_k_Fiona[] = "Fiona";
-static char __pyx_k_Point[] = "Point";
-static char __pyx_k_build[] = "_build";
-static char __pyx_k_close[] = "close";
-static char __pyx_k_debug[] = "debug";
-static char __pyx_k_first[] = "first";
-static char __pyx_k_items[] = "items";
-static char __pyx_k_key_c[] = "key_c";
-static char __pyx_k_parts[] = "parts";
-static char __pyx_k_piece[] = "piece";
-static char __pyx_k_range[] = "range";
-static char __pyx_k_round[] = "round";
-static char __pyx_k_split[] = "split";
-static char __pyx_k_throw[] = "throw";
-static char __pyx_k_upper[] = "upper";
-static char __pyx_k_utf_8[] = "utf-8";
-static char __pyx_k_val_c[] = "val_c";
-static char __pyx_k_encode[] = "encode";
-static char __pyx_k_import[] = "__import__";
-static char __pyx_k_module[] = "__module__";
-static char __pyx_k_object[] = "object";
-static char __pyx_k_proj_c[] = "proj_c";
-static char __pyx_k_record[] = "record";
-static char __pyx_k_res_xs[] = "res_xs";
-static char __pyx_k_res_ys[] = "res_ys";
-static char __pyx_k_result[] = "result";
-static char __pyx_k_wktext[] = "wktext";
-static char __pyx_k_Handler[] = "Handler";
-static char __pyx_k_Polygon[] = "Polygon";
-static char __pyx_k_Unknown[] = "Unknown";
-static char __pyx_k_dst_crs[] = "dst_crs";
-static char __pyx_k_factory[] = "factory";
-static char __pyx_k_genexpr[] = "genexpr";
-static char __pyx_k_logging[] = "logging";
-static char __pyx_k_no_defs[] = "no_defs";
-static char __pyx_k_options[] = "options";
-static char __pyx_k_prepare[] = "__prepare__";
-static char __pyx_k_src_crs[] = "src_crs";
-static char __pyx_k_3D_Point[] = "3D Point";
-static char __pyx_k_geometry[] = "geometry";
-static char __pyx_k_qualname[] = "__qualname__";
-static char __pyx_k_typename[] = "typename";
-static char __pyx_k_Exception[] = "Exception";
-static char __pyx_k_Null_geom[] = "Null geom";
-static char __pyx_k_build_wkb[] = "build_wkb";
-static char __pyx_k_geom_type[] = "geom_type";
-static char __pyx_k_getLogger[] = "getLogger";
-static char __pyx_k_iteritems[] = "iteritems";
-static char __pyx_k_metaclass[] = "__metaclass__";
-static char __pyx_k_precision[] = "precision";
-static char __pyx_k_transform[] = "transform";
-static char __pyx_k_3D_Polygon[] = "3D Polygon";
-static char __pyx_k_Built_line[] = "Built line";
-static char __pyx_k_Built_part[] = "Built part";
-static char __pyx_k_Built_ring[] = "Built ring";
-static char __pyx_k_Geometry_s[] = "Geometry: %s";
-static char __pyx_k_LineString[] = "LineString";
-static char __pyx_k_LinearRing[] = "LinearRing";
-static char __pyx_k_MultiPoint[] = "MultiPoint";
-static char __pyx_k_ValueError[] = "ValueError";
-static char __pyx_k_addHandler[] = "addHandler";
-static char __pyx_k_buildPoint[] = "_buildPoint";
-static char __pyx_k_geometries[] = "geometries";
-static char __pyx_k_geometryRT[] = "geometryRT";
-static char __pyx_k_getNumDims[] = "getNumDims";
-static char __pyx_k_new_coords[] = "new_coords";
-static char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
-static char __pyx_k_NullHandler[] = "NullHandler";
-static char __pyx_k_coordinates[] = "coordinates";
-static char __pyx_k_transform_2[] = "_transform";
-static char __pyx_k_Added_line_s[] = "Added line %s";
-static char __pyx_k_Added_part_s[] = "Added part %s";
-static char __pyx_k_Added_ring_s[] = "Added ring %s";
-static char __pyx_k_Closing_ring[] = "Closing ring";
-static char __pyx_k_MultiPolygon[] = "MultiPolygon";
-static char __pyx_k_WRAPDATELINE[] = "WRAPDATELINE";
-static char __pyx_k_buildPolygon[] = "_buildPolygon";
-static char __pyx_k_dst_ogr_geom[] = "dst_ogr_geom";
-static char __pyx_k_inner_coords[] = "inner_coords";
-static char __pyx_k_src_ogr_geom[] = "src_ogr_geom";
-static char __pyx_k_3D_LineString[] = "3D LineString";
-static char __pyx_k_3D_MultiPoint[] = "3D MultiPoint";
-static char __pyx_k_Added_point_s[] = "Added point %s";
-static char __pyx_k_Adding_line_s[] = "Adding line %s";
-static char __pyx_k_Adding_part_s[] = "Adding part %s";
-static char __pyx_k_Adding_ring_s[] = "Adding ring %s";
-static char __pyx_k_Built_polygon[] = "Built polygon";
-static char __pyx_k_cogr_geometry[] = "cogr_geometry";
-static char __pyx_k_Adding_point_s[] = "Adding point %s";
-static char __pyx_k_DATELINEOFFSET[] = "DATELINEOFFSET";
-static char __pyx_k_GEOMETRY_TYPES[] = "GEOMETRY_TYPES";
-static char __pyx_k_transform_geom[] = "_transform_geom";
-static char __pyx_k_3D_MultiPolygon[] = "3D MultiPolygon";
-static char __pyx_k_Added_polygon_s[] = "Added polygon %s";
-static char __pyx_k_MultiLineString[] = "MultiLineString";
-static char __pyx_k_buildLineString[] = "_buildLineString";
-static char __pyx_k_buildLinearRing[] = "_buildLinearRing";
-static char __pyx_k_buildMultiPoint[] = "_buildMultiPoint";
-static char __pyx_k_fiona__geometry[] = "fiona._geometry";
-static char __pyx_k_getNumDimsPoint[] = "getNumDimsPoint";
-static char __pyx_k_Adding_polygon_s[] = "Adding polygon %s";
-static char __pyx_k_NullHandler_emit[] = "NullHandler.emit";
-static char __pyx_k_DimensionsHandler[] = "DimensionsHandler";
-static char __pyx_k_buildMultiPolygon[] = "_buildMultiPolygon";
-static char __pyx_k_getNumDimsPolygon[] = "getNumDimsPolygon";
-static char __pyx_k_3D_MultiLineString[] = "3D MultiLineString";
-static char __pyx_k_GeometryCollection[] = "GeometryCollection";
-static char __pyx_k_antimeridian_offset[] = "antimeridian_offset";
-static char __pyx_k_antimeridian_cutting[] = "antimeridian_cutting";
-static char __pyx_k_buildMultiLineString[] = "_buildMultiLineString";
-static char __pyx_k_getNumDimsLineString[] = "getNumDimsLineString";
-static char __pyx_k_getNumDimsLinearRing[] = "getNumDimsLinearRing";
-static char __pyx_k_getNumDimsMultiPoint[] = "getNumDimsMultiPoint";
-static char __pyx_k_3D_GeometryCollection[] = "3D GeometryCollection";
-static char __pyx_k_getNumDimsMultiPolygon[] = "getNumDimsMultiPolygon";
-static char __pyx_k_PROJ_4_to_be_imported_r[] = "PROJ.4 to be imported: %r";
-static char __pyx_k_buildGeometryCollection[] = "_buildGeometryCollection";
-static char __pyx_k_getNumDimsMultiLineString[] = "getNumDimsMultiLineString";
-static char __pyx_k_GEOJSON2OGR_GEOMETRY_TYPES[] = "GEOJSON2OGR_GEOMETRY_TYPES";
-static char __pyx_k_Unsupported_geometry_type_s[] = "Unsupported geometry type %s";
-static char __pyx_k_DimensionsHandler_getNumDims[] = "DimensionsHandler.getNumDims";
-static char __pyx_k_getNumDimsGeometryCollection[] = "getNumDimsGeometryCollection";
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