[Python-modules-commits] r7035 - in packages/logilab-common/trunk (decorators.py)

[morph at users.alioth.debian.org]

    Date: Saturday, November 29, 2008 @ 21:52:46
  Author: morph
Revision: 7035

remove upstream modification

Deleted:
  packages/logilab-common/trunk/decorators.py

Deleted: packages/logilab-common/trunk/decorators.py
===================================================================
--- packages/logilab-common/trunk/decorators.py	2008-11-29 21:51:37 UTC (rev 7034)
+++ packages/logilab-common/trunk/decorators.py	2008-11-29 21:52:46 UTC (rev 7035)
@@ -1,124 +0,0 @@
-# This program is free software; you can redistribute it and/or modify it under
-# the terms of the GNU General Public License as published by the Free Software
-# Foundation; either version 2 of the License, or (at your option) any later
-# version.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Software Foundation, Inc.,
-# 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-"""this module contains some function/method decorators
-
-:author:    Logilab
-:copyright: 2006-2008 LOGILAB S.A. (Paris, FRANCE)
-:contact:   http://www.logilab.fr/ -- mailto:python-projects at logilab.org
-"""
-__docformat__ = "restructuredtext en"
-
-# XXX rewrite so we can use the decorator syntax when keyarg has to be specified
-
-def cached(callableobj, keyarg=None):
-    """simple decorator to cache result of method call"""
-    #print callableobj, keyarg, callableobj.func_code.co_argcount
-    if callableobj.func_code.co_argcount == 1 or keyarg == 0:
-        
-        def cache_wrapper1(self, *args):
-            cache = '_%s_cache_' % callableobj.__name__
-            #print 'cache1?', cache
-            try:
-                return self.__dict__[cache]
-            except KeyError:
-                #print 'miss'
-                value = callableobj(self, *args)
-                setattr(self, cache, value)
-                return value
-        return cache_wrapper1
-    
-    elif keyarg:
-        
-        def cache_wrapper2(self, *args, **kwargs):
-            cache = '_%s_cache_' % callableobj.__name__
-            key = args[keyarg-1]
-            #print 'cache2?', cache, self, key
-            try:
-                _cache = self.__dict__[cache]
-            except KeyError:
-                #print 'init'
-                _cache = {}
-                setattr(self, cache, _cache)
-            try:
-                return _cache[key]
-            except KeyError:
-                #print 'miss', self, cache, key
-                _cache[key] = callableobj(self, *args, **kwargs)
-            return _cache[key]
-        return cache_wrapper2
-
-    def cache_wrapper3(self, *args):
-        cache = '_%s_cache_' % callableobj.__name__
-        #print 'cache3?', cache, self, args
-        try:
-            _cache = self.__dict__[cache]
-        except KeyError:
-            #print 'init'
-            _cache = {}
-            setattr(self, cache, _cache)
-        try:
-            return _cache[args]
-        except KeyError:
-            #print 'miss'
-            _cache[args] = callableobj(self, *args)
-        return _cache[args]
-    return cache_wrapper3
-
-def clear_cache(obj, funcname):
-    """function to clear a cache handled by the cached decorator"""
-    try:
-        del obj.__dict__['_%s_cache_' % funcname]
-    except KeyError:
-        pass
-
-def copy_cache(obj, funcname, cacheobj):
-    """copy cache for <funcname> from cacheobj to obj"""
-    cache = '_%s_cache_' % funcname
-    try:
-        setattr(obj, cache, cacheobj.__dict__[cache])
-    except KeyError:
-        pass
-
-
-class wproperty(object):
-    """simple descriptor expecting to take a modifier function as first argument
-    and looking for a _<function name> to retrieve the attribute
-    """
-    def __init__(self, setfunc):
-        self.setfunc = setfunc
-        self.attrname = '_%s' % setfunc.__name__
-        
-    def __set__(self, obj, value):
-        self.setfunc(obj, value)
-        
-    def __get__(self, obj, cls):
-        assert obj is not None
-        return getattr(obj, self.attrname)
-
-
-class classproperty(object):
-    def __init__(self, get):
-        self.get = get
-    def __get__(self, inst, cls):
-        return self.get(cls)
-
-from time import clock
-def timed(f):
-    def wrap(*args, **kwargs):
-        t = clock()
-        #for i in range(100):
-        res = f(*args, **kwargs)
-        print '%s time: %.9f' % (f.__name__, clock() - t)
-        return res
-    return wrap
-