[tryton-debian-vcs] tryton-modules-project-invoice branch upstream created. 8e4ef634dee5367e7dc6f9689a2130e989c73473

Mathias Behrle tryton-debian-vcs at alioth.debian.org
Wed Nov 27 17:06:47 UTC 2013


The following commit has been merged in the upstream branch:
https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi/?p=tryton/tryton-modules-project-invoice.git;a=commitdiff;h=8e4ef634dee5367e7dc6f9689a2130e989c73473
commit 8e4ef634dee5367e7dc6f9689a2130e989c73473
Author: Mathias Behrle <mathiasb at m9s.biz>
Date:   Sun Nov 24 17:27:47 2013 +0100

    Adding upstream version 3.0.0.

diff --git a/CHANGELOG b/CHANGELOG
index ade1819..cd2dc58 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,7 +1,4 @@
-Version 2.8.2 - 2013-07-22
-* Bug fixes (see mercurial logs for details)
-
-Version 2.8.1 - 2013-06-09
+Version 3.0.0 - 2013-10-21
 * Bug fixes (see mercurial logs for details)
 
 Version 2.8.0 - 2013-04-22
diff --git a/INSTALL b/INSTALL
index 55c60dd..2a0be6c 100644
--- a/INSTALL
+++ b/INSTALL
@@ -6,6 +6,7 @@ Prerequisites
 
  * Python 2.6 or later (http://www.python.org/)
  * trytond (http://www.tryton.org/)
+ * python-sql (http://code.google.com/p/python-sql/)
  * trytond_project (http://www.tryton.org/)
  * trytond_project_revenue (http://www.tryton.org/)
  * trytond_timesheet (http://www.tryton.org/)
diff --git a/PKG-INFO b/PKG-INFO
index 8a4b772..97b0fd1 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,12 +1,12 @@
 Metadata-Version: 1.1
 Name: trytond_project_invoice
-Version: 2.8.2
+Version: 3.0.0
 Summary: Tryton module to invoice projects
 Home-page: http://www.tryton.org/
 Author: Tryton
 Author-email: UNKNOWN
 License: GPL-3
-Download-URL: http://downloads.tryton.org/2.8/
+Download-URL: http://downloads.tryton.org/3.0/
 Description: trytond_project_invoice
         =======================
         
@@ -60,6 +60,7 @@ Classifier: Natural Language :: English
 Classifier: Natural Language :: French
 Classifier: Natural Language :: German
 Classifier: Natural Language :: Russian
+Classifier: Natural Language :: Slovenian
 Classifier: Natural Language :: Spanish
 Classifier: Operating System :: OS Independent
 Classifier: Programming Language :: Python :: 2.6
diff --git a/locale/ca_ES.po b/locale/ca_ES.po
index 5c356ee..9747808 100644
--- a/locale/ca_ES.po
+++ b/locale/ca_ES.po
@@ -18,6 +18,10 @@ msgctxt "error:timesheet.line:"
 msgid "You can not delete invoiced line."
 msgstr "No podeu eliminar una línia facturada."
 
+msgctxt "error:timesheet.line:"
+msgid "You can not modify invoiced line."
+msgstr "No podeu modificar una línia facturada."
+
 msgctxt "field:project.work,hours_to_invoice:"
 msgid "Hours to Invoice"
 msgstr "Hores a facturar"
diff --git a/locale/de_DE.po b/locale/de_DE.po
index ef3e301..f7c6caf 100644
--- a/locale/de_DE.po
+++ b/locale/de_DE.po
@@ -18,6 +18,10 @@ msgctxt "error:timesheet.line:"
 msgid "You can not delete invoiced line."
 msgstr "Abgrechnete Zeilen können nicht gelöscht werden."
 
+msgctxt "error:timesheet.line:"
+msgid "You can not modify invoiced line."
+msgstr "Eine abgerechnete Zeile kann nicht geändert werden."
+
 msgctxt "field:project.work,hours_to_invoice:"
 msgid "Hours to Invoice"
 msgstr "Abrechenbare Stunden"
diff --git a/locale/es_AR.po b/locale/es_AR.po
index 5bbfdb8..f138942 100644
--- a/locale/es_AR.po
+++ b/locale/es_AR.po
@@ -16,7 +16,11 @@ msgstr "No hay ningún producto en la actividad «%s»."
 
 msgctxt "error:timesheet.line:"
 msgid "You can not delete invoiced line."
-msgstr "No puede eliminar una línea de factura."
+msgstr "No puede eliminar una línea facturada."
+
+msgctxt "error:timesheet.line:"
+msgid "You can not modify invoiced line."
+msgstr "No puede modificar una línea facturada."
 
 msgctxt "field:project.work,hours_to_invoice:"
 msgid "Hours to Invoice"
diff --git a/locale/es_ES.po b/locale/es_ES.po
index 9f35bc4..6b0f2e6 100644
--- a/locale/es_ES.po
+++ b/locale/es_ES.po
@@ -4,7 +4,7 @@ msgstr "Content-Type: text/plain; charset=utf-8\n"
 
 msgctxt "error:project.work:"
 msgid "There is no list price on work \"%s\"."
-msgstr "No hay ninguna lista de precio en el trabajo \"%s\"."
+msgstr "No hay precio en el trabajo \"%s\"."
 
 msgctxt "error:project.work:"
 msgid "There is no party on work \"%s\"."
@@ -16,7 +16,11 @@ msgstr "No hay ningún producto en el trabajo \"%s\"."
 
 msgctxt "error:timesheet.line:"
 msgid "You can not delete invoiced line."
-msgstr "No puede eliminar una línea de factura."
+msgstr "No puede eliminar una línea facturada."
+
+msgctxt "error:timesheet.line:"
+msgid "You can not modify invoiced line."
+msgstr "No puede modificar una línea facturada."
 
 msgctxt "field:project.work,hours_to_invoice:"
 msgid "Hours to Invoice"
@@ -64,7 +68,7 @@ msgstr "Por el esfuerzo estimado"
 
 msgctxt "selection:project.work,invoice_method:"
 msgid "On Timesheet"
-msgstr "Por las horas realitzadas"
+msgstr "Por las horas realizadas"
 
 msgctxt "selection:project.work,project_invoice_method:"
 msgid "Manual"
@@ -76,7 +80,7 @@ msgstr "Por el esfuerzo estimado"
 
 msgctxt "selection:project.work,project_invoice_method:"
 msgid "On Timesheet"
-msgstr "Por las horas realitzadas"
+msgstr "Por las horas realizadas"
 
 msgctxt "view:project.work:"
 msgid "Invoice"
diff --git a/locale/fr_FR.po b/locale/fr_FR.po
index 4dbe59e..edd6723 100644
--- a/locale/fr_FR.po
+++ b/locale/fr_FR.po
@@ -18,6 +18,10 @@ msgctxt "error:timesheet.line:"
 msgid "You can not delete invoiced line."
 msgstr "Vous ne pouvez supprimer une ligne facturée."
 
+msgctxt "error:timesheet.line:"
+msgid "You can not modify invoiced line."
+msgstr "Vous ne pouvez pas modifier une ligne facturée."
+
 msgctxt "field:project.work,hours_to_invoice:"
 msgid "Hours to Invoice"
 msgstr "Heures à facturer"
diff --git a/locale/de_DE.po b/locale/sl_SI.po
similarity index 68%
copy from locale/de_DE.po
copy to locale/sl_SI.po
index ef3e301..901ce6d 100644
--- a/locale/de_DE.po
+++ b/locale/sl_SI.po
@@ -4,80 +4,84 @@ msgstr "Content-Type: text/plain; charset=utf-8\n"
 
 msgctxt "error:project.work:"
 msgid "There is no list price on work \"%s\"."
-msgstr "Fehlender Listenpreis für Arbeit \"%s\"."
+msgstr "Pri dejavnosti \"%s\" ni cenika."
 
 msgctxt "error:project.work:"
 msgid "There is no party on work \"%s\"."
-msgstr "Fehlende Partei für Arbeit \"%s\"."
+msgstr "Pri dejavnosti \"%s\" ni stranke."
 
 msgctxt "error:project.work:"
 msgid "There is no product on work \"%s\"."
-msgstr "Fehlender Artikel für Arbeit \"%s\"."
+msgstr "Pri dejavnosti \"%s\" ni izdelka."
 
 msgctxt "error:timesheet.line:"
 msgid "You can not delete invoiced line."
-msgstr "Abgrechnete Zeilen können nicht gelöscht werden."
+msgstr "Obračunane postavke ni možne brisati."
+
+msgctxt "error:timesheet.line:"
+msgid "You can not modify invoiced line."
+msgstr "Obračunane postavke ni možne popraviti."
 
 msgctxt "field:project.work,hours_to_invoice:"
 msgid "Hours to Invoice"
-msgstr "Abrechenbare Stunden"
+msgstr "Ure za obračun"
 
 msgctxt "field:project.work,invoice_line:"
 msgid "Invoice Line"
-msgstr "Rechnungsposition"
+msgstr "Postavka računa"
 
 msgctxt "field:project.work,invoice_method:"
 msgid "Invoice Method"
-msgstr "Methode Rechnungsstellung"
+msgstr "Način obračuna"
 
 msgctxt "field:project.work,invoiced_amount:"
 msgid "Invoiced Amount"
-msgstr "Abgerechneter Betrag"
+msgstr "Zaračunan znesek"
 
 msgctxt "field:project.work,invoiced_hours:"
 msgid "Invoiced Hours"
-msgstr "Abgerechnete Stunden"
+msgstr "Zaračunane ure"
 
 msgctxt "field:project.work,project_invoice_method:"
 msgid "Invoice Method"
-msgstr "Methode Rechnungsstellung"
+msgstr "Način obračuna"
 
 msgctxt "field:timesheet.line,invoice_line:"
 msgid "Invoice Line"
-msgstr "Rechnungsposition"
+msgstr "Postavka računa"
 
 msgctxt "model:ir.action,name:open_invoice"
 msgid "Invoices"
-msgstr "Rechnungsausgang"
+msgstr "Računi"
 
 msgctxt "model:res.group,name:group_project_invoice"
 msgid "Project Invoice"
-msgstr "Projekte Fakturierung"
+msgstr "Projekt - obračun"
 
 msgctxt "selection:project.work,invoice_method:"
 msgid "Manual"
-msgstr "Manuell"
+msgstr "Ročno"
 
 msgctxt "selection:project.work,invoice_method:"
 msgid "On Effort"
-msgstr "Nach Arbeitsaufwand"
+msgstr "Po oceni dela"
 
 msgctxt "selection:project.work,invoice_method:"
 msgid "On Timesheet"
-msgstr "Nach Zeitaufwand"
+msgstr "Po dejanskem delu"
 
 msgctxt "selection:project.work,project_invoice_method:"
 msgid "Manual"
-msgstr "Manuell"
+msgstr "Ročno"
 
 msgctxt "selection:project.work,project_invoice_method:"
 msgid "On Effort"
-msgstr "Nach Arbeitsaufwand"
+msgstr "Po oceni dela"
 
 msgctxt "selection:project.work,project_invoice_method:"
 msgid "On Timesheet"
-msgstr "Nach Zeitaufwand"
+msgstr "Po dejanskem delu"
 
 msgctxt "view:project.work:"
 msgid "Invoice"
-msgstr "Rechnung"
+msgstr "Račun"
diff --git a/setup.py b/setup.py
index fcb849b..d20d425 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ major_version, minor_version, _ = info.get('version', '0.0.1').split('.', 2)
 major_version = int(major_version)
 minor_version = int(minor_version)
 
-requires = []
+requires = ['python-sql']
 for dep in info.get('depends', []):
     if not re.match(r'(ir|res|webdav)(\W|$)', dep):
         requires.append('trytond_%s >= %s.%s, < %s.%s' %
@@ -64,6 +64,7 @@ setup(name='trytond_project_invoice',
         'Natural Language :: French',
         'Natural Language :: German',
         'Natural Language :: Russian',
+        'Natural Language :: Slovenian',
         'Natural Language :: Spanish',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 2.6',
diff --git a/tests/__init__.py b/tests/__init__.py
index ebafcc1..4f749be 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -2,3 +2,5 @@
 #this repository contains the full copyright notices and license terms.
 
 from .test_project_invoice import suite
+
+__all__ = ['suite']
diff --git a/tests/scenario_project_invoice_effort.rst b/tests/scenario_project_invoice_effort.rst
index b6ad4d6..37e03a0 100644
--- a/tests/scenario_project_invoice_effort.rst
+++ b/tests/scenario_project_invoice_effort.rst
@@ -57,13 +57,37 @@ Create company::
 Reload the context::
 
     >>> User = Model.get('res.user')
+    >>> Group = Model.get('res.group')
     >>> config._context = User.get_preferences(True, config.context)
 
+Create project user::
+
+    >>> project_user = User()
+    >>> project_user.name = 'Project'
+    >>> project_user.login = 'project'
+    >>> project_user.main_company = company
+    >>> project_group, = Group.find([('name', '=', 'Project Administration')])
+    >>> timesheet_group, = Group.find([('name', '=', 'Timesheet Administration')])
+    >>> project_user.groups.extend([project_group, timesheet_group])
+    >>> project_user.save()
+
+Create project invoice user::
+
+    >>> project_invoice_user = User()
+    >>> project_invoice_user.name = 'Project Invoice'
+    >>> project_invoice_user.login = 'project_invoice'
+    >>> project_invoice_user.main_company = company
+    >>> project_invoice_group, = Group.find([('name', '=', 'Project Invoice')])
+    >>> project_group, = Group.find([('name', '=', 'Project Administration')])
+    >>> project_invoice_user.groups.extend(
+    ...     [project_invoice_group, project_group])
+    >>> project_invoice_user.save()
+
 Create chart of accounts::
 
     >>> AccountTemplate = Model.get('account.account.template')
     >>> Account = Model.get('account.account')
-    >>> account_template, = AccountTemplate.find([('parent', '=', False)])
+    >>> account_template, = AccountTemplate.find([('parent', '=', None)])
     >>> create_chart = Wizard('account.create_chart')
     >>> create_chart.execute('account')
     >>> create_chart.form.account_template = account_template
@@ -131,6 +155,7 @@ Create product::
 
 Create a Project::
 
+    >>> config.user = project_user.id
     >>> ProjectWork = Model.get('project.work')
     >>> TimesheetWork = Model.get('timesheet.work')
     >>> project = ProjectWork()
@@ -182,6 +207,7 @@ Check project hours::
 
 Invoice project::
 
+    >>> config.user = project_invoice_user.id
     >>> ProjectWork.invoice([project.id], config.context)
     >>> project.reload()
     >>> project.invoiced_hours
@@ -193,6 +219,7 @@ Invoice project::
 
 Do project::
 
+    >>> config.user = project_user.id
     >>> project.state = 'done'
     >>> project.save()
 
@@ -208,6 +235,7 @@ Check project hours::
 
 Invoice again project::
 
+    >>> config.user = project_invoice_user.id
     >>> ProjectWork.invoice([project.id], config.context)
     >>> project.reload()
     >>> project.invoiced_hours
diff --git a/tests/scenario_project_invoice_timesheet.rst b/tests/scenario_project_invoice_timesheet.rst
index 5666d53..cef9ed0 100644
--- a/tests/scenario_project_invoice_timesheet.rst
+++ b/tests/scenario_project_invoice_timesheet.rst
@@ -57,13 +57,37 @@ Create company::
 Reload the context::
 
     >>> User = Model.get('res.user')
+    >>> Group = Model.get('res.group')
     >>> config._context = User.get_preferences(True, config.context)
 
+Create project user::
+
+    >>> project_user = User()
+    >>> project_user.name = 'Project'
+    >>> project_user.login = 'project'
+    >>> project_user.main_company = company
+    >>> project_group, = Group.find([('name', '=', 'Project Administration')])
+    >>> timesheet_group, = Group.find([('name', '=', 'Timesheet Administration')])
+    >>> project_user.groups.extend([project_group, timesheet_group])
+    >>> project_user.save()
+
+Create project invoice user::
+
+    >>> project_invoice_user = User()
+    >>> project_invoice_user.name = 'Project Invoice'
+    >>> project_invoice_user.login = 'project_invoice'
+    >>> project_invoice_user.main_company = company
+    >>> project_invoice_group, = Group.find([('name', '=', 'Project Invoice')])
+    >>> project_group, = Group.find([('name', '=', 'Project Administration')])
+    >>> project_invoice_user.groups.extend(
+    ...     [project_invoice_group, project_group])
+    >>> project_invoice_user.save()
+
 Create chart of accounts::
 
     >>> AccountTemplate = Model.get('account.account.template')
     >>> Account = Model.get('account.account')
-    >>> account_template, = AccountTemplate.find([('parent', '=', False)])
+    >>> account_template, = AccountTemplate.find([('parent', '=', None)])
     >>> create_chart = Wizard('account.create_chart')
     >>> create_chart.execute('account')
     >>> create_chart.form.account_template = account_template
@@ -131,6 +155,7 @@ Create product::
 
 Create a Project::
 
+    >>> config.user = project_user.id
     >>> ProjectWork = Model.get('project.work')
     >>> TimesheetWork = Model.get('timesheet.work')
     >>> project = ProjectWork()
@@ -179,6 +204,7 @@ Check project hours::
 
 Invoice project::
 
+    >>> config.user = project_invoice_user.id
     >>> ProjectWork.invoice([project.id], config.context)
     >>> project.reload()
     >>> project.invoiced_hours
@@ -190,6 +216,7 @@ Invoice project::
 
 Create more timesheets::
 
+    >>> config.user = project_user.id
     >>> TimesheetLine = Model.get('timesheet.line')
     >>> line = TimesheetLine()
     >>> line.employee = employee
@@ -209,6 +236,7 @@ Check project hours::
 
 Invoice again project::
 
+    >>> config.user = project_invoice_user.id
     >>> ProjectWork.invoice([project.id], config.context)
     >>> project.reload()
     >>> project.invoiced_hours
diff --git a/timesheet.py b/timesheet.py
index 67ee5cc..39b7414 100644
--- a/timesheet.py
+++ b/timesheet.py
@@ -17,6 +17,7 @@ class TimesheetLine:
     def __setup__(cls):
         super(TimesheetLine, cls).__setup__()
         cls._error_messages.update({
+                'modify_invoiced_line': 'You can not modify invoiced line.',
                 'delete_invoiced_line': 'You can not delete invoiced line.',
                 })
 
@@ -29,6 +30,12 @@ class TimesheetLine:
         return super(TimesheetLine, cls).copy(records, default=default)
 
     @classmethod
+    def write(cls, records, values):
+        if any(r.invoice_line for r in records):
+            cls.raise_user_error('modify_invoiced_line')
+        super(TimesheetLine, cls).write(records, values)
+
+    @classmethod
     def delete(cls, records):
         if any(r.invoice_line for r in records):
             cls.raise_user_error('delete_invoiced_line')
diff --git a/timesheet.xml b/timesheet.xml
new file mode 100644
index 0000000..c773caf
--- /dev/null
+++ b/timesheet.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <data>
+        <record model="ir.rule.group" id="rule_group_line_project_invoice">
+            <field name="model" search="[('model', '=', 'timesheet.line')]"/>
+            <field name="global_p" eval="False"/>
+            <field name="default_p" eval="False"/>
+        </record>
+        <record model="ir.rule.group-res.group"
+            id="rule_group_line_project_invoice_group_project_invoice">
+            <field name="rule_group" ref="rule_group_line_project_invoice"/>
+            <field name="group" ref="group_project_invoice"/>
+        </record>
+    </data>
+</tryton>
diff --git a/tryton.cfg b/tryton.cfg
index 2c711bf..a68f498 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=2.8.2
+version=3.0.0
 depends:
     ir
     project
@@ -11,3 +11,4 @@ depends:
 xml:
     project.xml
     work.xml
+    timesheet.xml
diff --git a/trytond_project_invoice.egg-info/PKG-INFO b/trytond_project_invoice.egg-info/PKG-INFO
index fd13513..f53780c 100644
--- a/trytond_project_invoice.egg-info/PKG-INFO
+++ b/trytond_project_invoice.egg-info/PKG-INFO
@@ -1,12 +1,12 @@
 Metadata-Version: 1.1
 Name: trytond-project-invoice
-Version: 2.8.2
+Version: 3.0.0
 Summary: Tryton module to invoice projects
 Home-page: http://www.tryton.org/
 Author: Tryton
 Author-email: UNKNOWN
 License: GPL-3
-Download-URL: http://downloads.tryton.org/2.8/
+Download-URL: http://downloads.tryton.org/3.0/
 Description: trytond_project_invoice
         =======================
         
@@ -60,6 +60,7 @@ Classifier: Natural Language :: English
 Classifier: Natural Language :: French
 Classifier: Natural Language :: German
 Classifier: Natural Language :: Russian
+Classifier: Natural Language :: Slovenian
 Classifier: Natural Language :: Spanish
 Classifier: Operating System :: OS Independent
 Classifier: Programming Language :: Python :: 2.6
diff --git a/trytond_project_invoice.egg-info/SOURCES.txt b/trytond_project_invoice.egg-info/SOURCES.txt
index 4663da6..e00a96a 100644
--- a/trytond_project_invoice.egg-info/SOURCES.txt
+++ b/trytond_project_invoice.egg-info/SOURCES.txt
@@ -6,6 +6,7 @@ MANIFEST.in
 README
 project.xml
 setup.py
+timesheet.xml
 tryton.cfg
 work.xml
 ./__init__.py
@@ -19,6 +20,7 @@ locale/de_DE.po
 locale/es_AR.po
 locale/es_ES.po
 locale/fr_FR.po
+locale/sl_SI.po
 tests/scenario_project_invoice_effort.rst
 tests/scenario_project_invoice_timesheet.rst
 trytond_project_invoice.egg-info/PKG-INFO
diff --git a/trytond_project_invoice.egg-info/requires.txt b/trytond_project_invoice.egg-info/requires.txt
index a51e671..d1fcedf 100644
--- a/trytond_project_invoice.egg-info/requires.txt
+++ b/trytond_project_invoice.egg-info/requires.txt
@@ -1,7 +1,8 @@
-trytond_project >= 2.8, < 2.9
-trytond_project_revenue >= 2.8, < 2.9
-trytond_timesheet >= 2.8, < 2.9
-trytond_account >= 2.8, < 2.9
-trytond_account_invoice >= 2.8, < 2.9
-trytond_product >= 2.8, < 2.9
-trytond >= 2.8, < 2.9
\ No newline at end of file
+python-sql
+trytond_project >= 3.0, < 3.1
+trytond_project_revenue >= 3.0, < 3.1
+trytond_timesheet >= 3.0, < 3.1
+trytond_account >= 3.0, < 3.1
+trytond_account_invoice >= 3.0, < 3.1
+trytond_product >= 3.0, < 3.1
+trytond >= 3.0, < 3.1
\ No newline at end of file
diff --git a/work.py b/work.py
index b237dde..765e61e 100644
--- a/work.py
+++ b/work.py
@@ -2,6 +2,7 @@
 #this repository contains the full copyright notices and license terms.
 from itertools import groupby
 from decimal import Decimal
+from sql.aggregate import Sum
 
 from trytond.model import ModelView, fields
 from trytond.pool import PoolMeta
@@ -183,19 +184,21 @@ class Work:
         pool = Pool()
         TimesheetLine = pool.get('timesheet.line')
         cursor = Transaction().cursor
+        line = TimesheetLine.__table__()
 
         hours = {}
         twork2work = dict((w.work.id, w.id) for w in works)
         ids = twork2work.keys()
         for i in range(0, len(ids), cursor.IN_MAX):
             sub_ids = ids[i:i + cursor.IN_MAX]
-            red_sql, red_ids = reduce_ids('work', sub_ids)
-            cursor.execute('SELECT work, SUM(hours) '
-                'FROM "' + TimesheetLine._table + '" '
-                'WHERE ' + red_sql + ' '
-                    'AND invoice_line IS ' + (
-                    'NOT NULL ' if invoiced else 'NULL ') +
-                'GROUP BY work', red_ids)
+            red_sql = reduce_ids(line.work, sub_ids)
+            if invoiced:
+                where = line.invoice_line != None
+            else:
+                where = line.invoice_line == None
+            cursor.execute(*line.select(line.work, Sum(line.hours),
+                    where=red_sql & where,
+                    group_by=line.work))
             hours.update(dict((twork2work[w], h)
                     for w, h in cursor.fetchall()))
         return hours
commit b4808fa6a60182e34e2f527eb6c56c24b641a671
Author: Mathias Behrle <mathiasb at m9s.biz>
Date:   Mon Aug 5 18:49:18 2013 +0200

    Adding upstream version 2.8.2.

diff --git a/CHANGELOG b/CHANGELOG
index 02af05b..ade1819 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+Version 2.8.2 - 2013-07-22
+* Bug fixes (see mercurial logs for details)
+
 Version 2.8.1 - 2013-06-09
 * Bug fixes (see mercurial logs for details)
 
diff --git a/PKG-INFO b/PKG-INFO
index 66a0d4e..8a4b772 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.1
 Name: trytond_project_invoice
-Version: 2.8.1
+Version: 2.8.2
 Summary: Tryton module to invoice projects
 Home-page: http://www.tryton.org/
 Author: Tryton
diff --git a/tryton.cfg b/tryton.cfg
index c03c5cf..2c711bf 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=2.8.1
+version=2.8.2
 depends:
     ir
     project
diff --git a/trytond_project_invoice.egg-info/PKG-INFO b/trytond_project_invoice.egg-info/PKG-INFO
index fcb743e..fd13513 100644
--- a/trytond_project_invoice.egg-info/PKG-INFO
+++ b/trytond_project_invoice.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.1
 Name: trytond-project-invoice
-Version: 2.8.1
+Version: 2.8.2
 Summary: Tryton module to invoice projects
 Home-page: http://www.tryton.org/
 Author: Tryton
diff --git a/work.py b/work.py
index 1b7ea02..b237dde 100644
--- a/work.py
+++ b/work.py
@@ -185,7 +185,8 @@ class Work:
         cursor = Transaction().cursor
 
         hours = {}
-        ids = [w.id for w in works]
+        twork2work = dict((w.work.id, w.id) for w in works)
+        ids = twork2work.keys()
         for i in range(0, len(ids), cursor.IN_MAX):
             sub_ids = ids[i:i + cursor.IN_MAX]
             red_sql, red_ids = reduce_ids('work', sub_ids)
@@ -195,7 +196,8 @@ class Work:
                     'AND invoice_line IS ' + (
                     'NOT NULL ' if invoiced else 'NULL ') +
                 'GROUP BY work', red_ids)
-            hours.update(dict(i for i in cursor.fetchall()))
+            hours.update(dict((twork2work[w], h)
+                    for w, h in cursor.fetchall()))
         return hours
 
     @classmethod
commit aacef2a175e594eaaaebcd95c41eb50e6f640cf5
Author: Mathias Behrle <mathiasb at m9s.biz>
Date:   Mon Jun 10 13:44:10 2013 +0200

    Adding upstream version 2.8.1.

diff --git a/CHANGELOG b/CHANGELOG
index 2ff50a4..02af05b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,2 +1,5 @@
+Version 2.8.1 - 2013-06-09
+* Bug fixes (see mercurial logs for details)
+
 Version 2.8.0 - 2013-04-22
 * Initial release
diff --git a/PKG-INFO b/PKG-INFO
index 44e4a11..66a0d4e 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.1
 Name: trytond_project_invoice
-Version: 2.8.0
+Version: 2.8.1
 Summary: Tryton module to invoice projects
 Home-page: http://www.tryton.org/
 Author: Tryton
diff --git a/tryton.cfg b/tryton.cfg
index 1417a12..c03c5cf 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=2.8.0
+version=2.8.1
 depends:
     ir
     project
diff --git a/trytond_project_invoice.egg-info/PKG-INFO b/trytond_project_invoice.egg-info/PKG-INFO
index aaa2005..fcb743e 100644
--- a/trytond_project_invoice.egg-info/PKG-INFO
+++ b/trytond_project_invoice.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.1
 Name: trytond-project-invoice
-Version: 2.8.0
+Version: 2.8.1
 Summary: Tryton module to invoice projects
 Home-page: http://www.tryton.org/
 Author: Tryton
diff --git a/work.py b/work.py
index 7903b39..1b7ea02 100644
--- a/work.py
+++ b/work.py
@@ -88,8 +88,10 @@ class Work:
     def get_invoice_method(self, name):
         if self.type == 'project':
             return self.project_invoice_method
-        else:
+        elif self.parent:
             return self.parent.invoice_method
+        else:
+            return 'manual'
 
     @staticmethod
     def default_invoiced_hours():
@@ -308,7 +310,7 @@ class Work:
         pattern = invoice_line._get_tax_rule_pattern()
         party = invoice.party
         for tax in product.customer_taxes_used:
-            if party.customer_taxes_used:
+            if party.customer_tax_rule:
                 tax_ids = party.customer_tax_rule.apply(tax, pattern)
                 if tax_ids:
                     taxes.extend(tax_ids)
commit 70dee58fcb7ee59dc144633b2547547518378bd5
Author: Mathias Behrle <mathiasb at m9s.biz>
Date:   Wed May 1 23:59:36 2013 +0200

    Adding upstream version 2.8.0.

diff --git a/CHANGELOG b/CHANGELOG
new file mode 100644
index 0000000..2ff50a4
--- /dev/null
+++ b/CHANGELOG
@@ -0,0 +1,2 @@
+Version 2.8.0 - 2013-04-22
+* Initial release
diff --git a/COPYRIGHT b/COPYRIGHT
new file mode 100644
index 0000000..1ef62b0
--- /dev/null
+++ b/COPYRIGHT
@@ -0,0 +1,15 @@
+Copyright (C) 2013 Cédric Krier.
+Copyright (C) 2013 B2CK SPRL.
+
+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 3 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, see <http://www.gnu.org/licenses/>.
diff --git a/INSTALL b/INSTALL
new file mode 100644
index 0000000..55c60dd
--- /dev/null
+++ b/INSTALL
@@ -0,0 +1,34 @@
+Installing trytond_project_invoice
+==================================
+
+Prerequisites
+-------------
+
+ * Python 2.6 or later (http://www.python.org/)
+ * trytond (http://www.tryton.org/)
+ * trytond_project (http://www.tryton.org/)
+ * trytond_project_revenue (http://www.tryton.org/)
+ * trytond_timesheet (http://www.tryton.org/)
+ * trytond_account_invoice (http://www.tryton.org/)
+ * trytond_product (http://www.tryton.org/)
+
+Installation
+------------
+
+Once you've downloaded and unpacked the trytond_project_invoice source release, enter the
+directory where the archive was unpacked, and run:
+
+    python setup.py install
+
+Note that you may need administrator/root privileges for this step, as
+this command will by default attempt to install module to the Python
+site-packages directory on your system.
+
+For advanced options, please refer to the easy_install and/or the distutils
+documentation:
+
+  http://peak.telecommunity.com/DevCenter/EasyInstall
+  http://docs.python.org/inst/inst.html
+
+To use without installation, extract the archive into ``trytond/modules`` with
+the directory name project_invoice.
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..94a9ed0
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
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+  A patent license is "discriminatory" if it does not include within
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+
+  Nothing in this License shall be construed as excluding or limiting
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+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
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+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
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+  14. Revised Versions of this License.
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+be similar in spirit to the present version, but may differ in detail to
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+  Each version is given a distinguishing version number.  If the
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+option of following the terms and conditions either of that numbered
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+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
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+
+  If the Program specifies that a proxy can decide which future
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+to choose that version for the Program.
+
+  Later license versions may give you additional or different
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+  15. Disclaimer of Warranty.
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+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
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+SUCH DAMAGES.
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+  17. Interpretation of Sections 15 and 16.
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+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
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+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
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+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..fc0b03e
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,13 @@
+include INSTALL
+include README
+include TODO
+include COPYRIGHT
+include CHANGELOG
+include LICENSE
+include tryton.cfg
+include *.xml
+include view/*.xml
+include *.odt
+include locale/*.po
+include doc/*
+include tests/*.rst
diff --git a/PKG-INFO b/PKG-INFO
new file mode 100644
index 0000000..44e4a11
--- /dev/null
+++ b/PKG-INFO
@@ -0,0 +1,67 @@
+Metadata-Version: 1.1
+Name: trytond_project_invoice
+Version: 2.8.0
+Summary: Tryton module to invoice projects
+Home-page: http://www.tryton.org/
+Author: Tryton
+Author-email: UNKNOWN
+License: GPL-3
+Download-URL: http://downloads.tryton.org/2.8/
+Description: trytond_project_invoice
+        =======================
+        
+        The project_invoice module of the Tryton application platform.
+        
+        Installing
+        ----------
+        
+        See INSTALL
+        
+        Support
+        -------
+        
+        If you encounter any problems with Tryton, please don't hesitate to ask
+        questions on the Tryton bug tracker, mailing list, wiki or IRC channel:
+        
+          http://bugs.tryton.org/
+          http://groups.tryton.org/
+          http://wiki.tryton.org/
+          irc://irc.freenode.net/tryton
+        
+        License
+        -------
+        
+        See LICENSE
+        
+        Copyright
+        ---------
+        
+        See COPYRIGHT
+        
+        
+        For more information please visit the Tryton web site:
+        
+          http://www.tryton.org/
+        
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Environment :: Plugins
+Classifier: Framework :: Tryton
+Classifier: Intended Audience :: Developers
+Classifier: Intended Audience :: Financial and Insurance Industry
+Classifier: Intended Audience :: Legal Industry
+Classifier: Intended Audience :: Manufacturing
+Classifier: License :: OSI Approved :: GNU General Public License (GPL)
+Classifier: Natural Language :: Bulgarian
+Classifier: Natural Language :: Catalan
+Classifier: Natural Language :: Czech
+Classifier: Natural Language :: Dutch
+Classifier: Natural Language :: English
+Classifier: Natural Language :: French
+Classifier: Natural Language :: German
+Classifier: Natural Language :: Russian
+Classifier: Natural Language :: Spanish
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python :: 2.6
+Classifier: Programming Language :: Python :: 2.7
+Classifier: Topic :: Office/Business
diff --git a/README b/README
new file mode 100644
index 0000000..c4dbd1c
--- /dev/null
+++ b/README
@@ -0,0 +1,35 @@
+trytond_project_invoice
+=======================
+
+The project_invoice module of the Tryton application platform.
+
+Installing
+----------
+
+See INSTALL
+
+Support
+-------
+
+If you encounter any problems with Tryton, please don't hesitate to ask
+questions on the Tryton bug tracker, mailing list, wiki or IRC channel:
+
+  http://bugs.tryton.org/
+  http://groups.tryton.org/
+  http://wiki.tryton.org/
+  irc://irc.freenode.net/tryton
+
+License
+-------
+
+See LICENSE
+
+Copyright
+---------
+
+See COPYRIGHT
+
+
+For more information please visit the Tryton web site:
+
+  http://www.tryton.org/
diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..9993976
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,16 @@
+#This file is part of Tryton.  The COPYRIGHT file at the top level of
+#this repository contains the full copyright notices and license terms.
+
+from trytond.pool import Pool
+from .work import *
+from .timesheet import *
+
+
+def register():
+    Pool.register(
+        Work,
+        TimesheetLine,
+        module='project_invoice', type_='model')
+    Pool.register(
+        OpenInvoice,
+        module='project_invoice', type_='wizard')
diff --git a/doc/index.rst b/doc/index.rst
new file mode 100644
index 0000000..46bc9c5
--- /dev/null
+++ b/doc/index.rst
@@ -0,0 +1,11 @@
+Project Invoice Module
+######################
+
+The Project Invoice module adds invoice methods on project.
+The methods are:
+
+- Manual: Tryton doesn't create any invoice.
+- On Effort: The invoices are created based on the *Effort* hours for all
+  children works in state *Done*.
+- On Timesheet: The invoices are created based on the timesheets encoded on all
+  children works.
diff --git a/locale/ca_ES.po b/locale/ca_ES.po
new file mode 100644
index 0000000..5c356ee
--- /dev/null
+++ b/locale/ca_ES.po
@@ -0,0 +1,83 @@
+# 
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "error:project.work:"
+msgid "There is no list price on work \"%s\"."
+msgstr "No hi ha cap producte al treball \"%s\"."
+
+msgctxt "error:project.work:"
+msgid "There is no party on work \"%s\"."
+msgstr "No hi ha cap tercer al treball \"%s\"."
+
+msgctxt "error:project.work:"
+msgid "There is no product on work \"%s\"."
+msgstr "No hi ha cap producte al treball \"%s\"."
+
+msgctxt "error:timesheet.line:"
+msgid "You can not delete invoiced line."
+msgstr "No podeu eliminar una línia facturada."
+
+msgctxt "field:project.work,hours_to_invoice:"
+msgid "Hours to Invoice"
+msgstr "Hores a facturar"
+
+msgctxt "field:project.work,invoice_line:"
+msgid "Invoice Line"
+msgstr "Línia de factura"
+
+msgctxt "field:project.work,invoice_method:"
+msgid "Invoice Method"
+msgstr "Mètode de facturació"
+
+msgctxt "field:project.work,invoiced_amount:"
+msgid "Invoiced Amount"
+msgstr "Import facturat"
+
+msgctxt "field:project.work,invoiced_hours:"
+msgid "Invoiced Hours"
+msgstr "Hores facturades"
+
+msgctxt "field:project.work,project_invoice_method:"
+msgid "Invoice Method"
+msgstr "Mètode de facturació"
+
+msgctxt "field:timesheet.line,invoice_line:"
+msgid "Invoice Line"
+msgstr "Línia de factura"
+
+msgctxt "model:ir.action,name:open_invoice"
+msgid "Invoices"
+msgstr "Factures"
+
+msgctxt "model:res.group,name:group_project_invoice"
+msgid "Project Invoice"
+msgstr "Facturació de projectes"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "Manual"
+msgstr "Manual"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Effort"
+msgstr "Per l'esforç estimat"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Timesheet"
+msgstr "Per les hores realitzades"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "Manual"
+msgstr "Manual"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Effort"
+msgstr "Per l'esforç estimat"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Timesheet"
+msgstr "Per les hores realitzades"
+
+msgctxt "view:project.work:"
+msgid "Invoice"
+msgstr "Factura"
diff --git a/locale/de_DE.po b/locale/de_DE.po
new file mode 100644
index 0000000..ef3e301
--- /dev/null
+++ b/locale/de_DE.po
@@ -0,0 +1,83 @@
+# 
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "error:project.work:"
+msgid "There is no list price on work \"%s\"."
+msgstr "Fehlender Listenpreis für Arbeit \"%s\"."
+
+msgctxt "error:project.work:"
+msgid "There is no party on work \"%s\"."
+msgstr "Fehlende Partei für Arbeit \"%s\"."
+
+msgctxt "error:project.work:"
+msgid "There is no product on work \"%s\"."
+msgstr "Fehlender Artikel für Arbeit \"%s\"."
+
+msgctxt "error:timesheet.line:"
+msgid "You can not delete invoiced line."
+msgstr "Abgrechnete Zeilen können nicht gelöscht werden."
+
+msgctxt "field:project.work,hours_to_invoice:"
+msgid "Hours to Invoice"
+msgstr "Abrechenbare Stunden"
+
+msgctxt "field:project.work,invoice_line:"
+msgid "Invoice Line"
+msgstr "Rechnungsposition"
+
+msgctxt "field:project.work,invoice_method:"
+msgid "Invoice Method"
+msgstr "Methode Rechnungsstellung"
+
+msgctxt "field:project.work,invoiced_amount:"
+msgid "Invoiced Amount"
+msgstr "Abgerechneter Betrag"
+
+msgctxt "field:project.work,invoiced_hours:"
+msgid "Invoiced Hours"
+msgstr "Abgerechnete Stunden"
+
+msgctxt "field:project.work,project_invoice_method:"
+msgid "Invoice Method"
+msgstr "Methode Rechnungsstellung"
+
+msgctxt "field:timesheet.line,invoice_line:"
+msgid "Invoice Line"
+msgstr "Rechnungsposition"
+
+msgctxt "model:ir.action,name:open_invoice"
+msgid "Invoices"
+msgstr "Rechnungsausgang"
+
+msgctxt "model:res.group,name:group_project_invoice"
+msgid "Project Invoice"
+msgstr "Projekte Fakturierung"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "Manual"
+msgstr "Manuell"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Effort"
+msgstr "Nach Arbeitsaufwand"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Timesheet"
+msgstr "Nach Zeitaufwand"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "Manual"
+msgstr "Manuell"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Effort"
+msgstr "Nach Arbeitsaufwand"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Timesheet"
+msgstr "Nach Zeitaufwand"
+
+msgctxt "view:project.work:"
+msgid "Invoice"
+msgstr "Rechnung"
diff --git a/locale/es_AR.po b/locale/es_AR.po
new file mode 100644
index 0000000..5bbfdb8
--- /dev/null
+++ b/locale/es_AR.po
@@ -0,0 +1,83 @@
+# 
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "error:project.work:"
+msgid "There is no list price on work \"%s\"."
+msgstr "No hay ninguna lista de precio en la actividad «%s»."
+
+msgctxt "error:project.work:"
+msgid "There is no party on work \"%s\"."
+msgstr "No hay ninguna entidad en la actividad «%s»."
+
+msgctxt "error:project.work:"
+msgid "There is no product on work \"%s\"."
+msgstr "No hay ningún producto en la actividad «%s»."
+
+msgctxt "error:timesheet.line:"
+msgid "You can not delete invoiced line."
+msgstr "No puede eliminar una línea de factura."
+
+msgctxt "field:project.work,hours_to_invoice:"
+msgid "Hours to Invoice"
+msgstr "Horas a facturar"
+
+msgctxt "field:project.work,invoice_line:"
+msgid "Invoice Line"
+msgstr "Línea de factura"
+
+msgctxt "field:project.work,invoice_method:"
+msgid "Invoice Method"
+msgstr "Método de facturación"
+
+msgctxt "field:project.work,invoiced_amount:"
+msgid "Invoiced Amount"
+msgstr "Importe facturado"
+
+msgctxt "field:project.work,invoiced_hours:"
+msgid "Invoiced Hours"
+msgstr "Horas facturadas"
+
+msgctxt "field:project.work,project_invoice_method:"
+msgid "Invoice Method"
+msgstr "Método de facturación"
+
+msgctxt "field:timesheet.line,invoice_line:"
+msgid "Invoice Line"
+msgstr "Línea de factura"
+
+msgctxt "model:ir.action,name:open_invoice"
+msgid "Invoices"
+msgstr "Facturas"
+
+msgctxt "model:res.group,name:group_project_invoice"
+msgid "Project Invoice"
+msgstr "Facturación de proyectos"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "Manual"
+msgstr "Manual"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Effort"
+msgstr "Por el esfuerzo estimado"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Timesheet"
+msgstr "Por las horas realizadas"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "Manual"
+msgstr "Manual"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Effort"
+msgstr "Por el esfuerzo estimado"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Timesheet"
+msgstr "Por las horas realizadas"
+
+msgctxt "view:project.work:"
+msgid "Invoice"
+msgstr "Factura"
diff --git a/locale/es_ES.po b/locale/es_ES.po
new file mode 100644
index 0000000..9f35bc4
--- /dev/null
+++ b/locale/es_ES.po
@@ -0,0 +1,83 @@
+# 
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "error:project.work:"
+msgid "There is no list price on work \"%s\"."
+msgstr "No hay ninguna lista de precio en el trabajo \"%s\"."
+
+msgctxt "error:project.work:"
+msgid "There is no party on work \"%s\"."
+msgstr "No hay ningún tercero en el trabajo \"%s\"."
+
+msgctxt "error:project.work:"
+msgid "There is no product on work \"%s\"."
+msgstr "No hay ningún producto en el trabajo \"%s\"."
+
+msgctxt "error:timesheet.line:"
+msgid "You can not delete invoiced line."
+msgstr "No puede eliminar una línea de factura."
+
+msgctxt "field:project.work,hours_to_invoice:"
+msgid "Hours to Invoice"
+msgstr "Horas a facturar"
+
+msgctxt "field:project.work,invoice_line:"
+msgid "Invoice Line"
+msgstr "Línea de factura"
+
+msgctxt "field:project.work,invoice_method:"
+msgid "Invoice Method"
+msgstr "Método de facturación"
+
+msgctxt "field:project.work,invoiced_amount:"
+msgid "Invoiced Amount"
+msgstr "Importe facturado"
+
+msgctxt "field:project.work,invoiced_hours:"
+msgid "Invoiced Hours"
+msgstr "Horas facturadas"
+
+msgctxt "field:project.work,project_invoice_method:"
+msgid "Invoice Method"
+msgstr "Método de facturación"
+
+msgctxt "field:timesheet.line,invoice_line:"
+msgid "Invoice Line"
+msgstr "Línea de factura"
+
+msgctxt "model:ir.action,name:open_invoice"
+msgid "Invoices"
+msgstr "Facturas"
+
+msgctxt "model:res.group,name:group_project_invoice"
+msgid "Project Invoice"
+msgstr "Facturación de proyectos"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "Manual"
+msgstr "Manual"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Effort"
+msgstr "Por el esfuerzo estimado"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Timesheet"
+msgstr "Por las horas realitzadas"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "Manual"
+msgstr "Manual"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Effort"
+msgstr "Por el esfuerzo estimado"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Timesheet"
+msgstr "Por las horas realitzadas"
+
+msgctxt "view:project.work:"
+msgid "Invoice"
+msgstr "Factura"
diff --git a/locale/fr_FR.po b/locale/fr_FR.po
new file mode 100644
index 0000000..4dbe59e
--- /dev/null
+++ b/locale/fr_FR.po
@@ -0,0 +1,83 @@
+# 
+msgid ""
+msgstr "Content-Type: text/plain; charset=utf-8\n"
+
+msgctxt "error:project.work:"
+msgid "There is no list price on work \"%s\"."
+msgstr "Il n'y a pas de liste de prix pour le travail \"%s\"."
+
+msgctxt "error:project.work:"
+msgid "There is no party on work \"%s\"."
+msgstr "Il n'y a pas de tiers sur le travail \"%s\"."
+
+msgctxt "error:project.work:"
+msgid "There is no product on work \"%s\"."
+msgstr "Il n'y a pas de produit sur le travail \"%s\"."
+
+msgctxt "error:timesheet.line:"
+msgid "You can not delete invoiced line."
+msgstr "Vous ne pouvez supprimer une ligne facturée."
+
+msgctxt "field:project.work,hours_to_invoice:"
+msgid "Hours to Invoice"
+msgstr "Heures à facturer"
+
+msgctxt "field:project.work,invoice_line:"
+msgid "Invoice Line"
+msgstr "Ligne de facture"
+
+msgctxt "field:project.work,invoice_method:"
+msgid "Invoice Method"
+msgstr "Méthode de facturation"
+
+msgctxt "field:project.work,invoiced_amount:"
+msgid "Invoiced Amount"
+msgstr "Montant facturé"
+
+msgctxt "field:project.work,invoiced_hours:"
+msgid "Invoiced Hours"
+msgstr "Heures facturées"
+
+msgctxt "field:project.work,project_invoice_method:"
+msgid "Invoice Method"
+msgstr "Méthode de facturation"
+
+msgctxt "field:timesheet.line,invoice_line:"
+msgid "Invoice Line"
+msgstr "Ligne de facture"
+
+msgctxt "model:ir.action,name:open_invoice"
+msgid "Invoices"
+msgstr "Factures"
+
+msgctxt "model:res.group,name:group_project_invoice"
+msgid "Project Invoice"
+msgstr "Facture projet"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "Manual"
+msgstr "Manuelle"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Effort"
+msgstr "Sur l'effort"
+
+msgctxt "selection:project.work,invoice_method:"
+msgid "On Timesheet"
+msgstr "Sur feuille de présence"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "Manual"
+msgstr "Manuel"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Effort"
+msgstr "Sur l'effort"
+
+msgctxt "selection:project.work,project_invoice_method:"
+msgid "On Timesheet"
+msgstr "Sur feuille de présence"
+
+msgctxt "view:project.work:"
+msgid "Invoice"
+msgstr "Facture"
diff --git a/project.xml b/project.xml
new file mode 100644
index 0000000..6e5ef8d
--- /dev/null
+++ b/project.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <data>
+        <record model="res.group" id="group_project_invoice">
+            <field name="name">Project Invoice</field>
+        </record>
+        <record model="res.user-res.group" id="user_admin_group_project_invoice">
+            <field name="user" ref="res.user_admin"/>
+            <field name="group" ref="group_project_invoice"/>
+        </record>
+        <record model="res.user-res.group"
+            id="user_trigger_group_project_invoice">
+            <field name="user" ref="res.user_trigger"/>
+            <field name="group" ref="group_project_invoice"/>
+        </record>
+    </data>
+</tryton>
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..861a9f5
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,5 @@
+[egg_info]
+tag_build = 
+tag_date = 0
+tag_svn_revision = 0
+
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..fcb849b
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+#This file is part of Tryton.  The COPYRIGHT file at the top level of
+#this repository contains the full copyright notices and license terms.
+
+from setuptools import setup
+import re
+import os
+import ConfigParser
+
+
+def read(fname):
+    return open(os.path.join(os.path.dirname(__file__), fname)).read()
+
+config = ConfigParser.ConfigParser()
+config.readfp(open('tryton.cfg'))
+info = dict(config.items('tryton'))
+for key in ('depends', 'extras_depend', 'xml'):
+    if key in info:
+        info[key] = info[key].strip().splitlines()
+major_version, minor_version, _ = info.get('version', '0.0.1').split('.', 2)
+major_version = int(major_version)
+minor_version = int(minor_version)
+
+requires = []
+for dep in info.get('depends', []):
+    if not re.match(r'(ir|res|webdav)(\W|$)', dep):
+        requires.append('trytond_%s >= %s.%s, < %s.%s' %
+            (dep, major_version, minor_version, major_version,
+                minor_version + 1))
+requires.append('trytond >= %s.%s, < %s.%s' %
+    (major_version, minor_version, major_version, minor_version + 1))
+
+setup(name='trytond_project_invoice',
+    version=info.get('version', '0.0.1'),
+    description='Tryton module to invoice projects',
+    long_description=read('README'),
+    author='Tryton',
+    url='http://www.tryton.org/',
+    download_url=("http://downloads.tryton.org/" +
+        info.get('version', '0.0.1').rsplit('.', 1)[0] + '/'),
+    package_dir={'trytond.modules.project_invoice': '.'},
+    packages=[
+        'trytond.modules.project_invoice',
+        'trytond.modules.project_invoice.tests',
+        ],
+    package_data={
+        'trytond.modules.project_invoice': (info.get('xml', [])
+            + ['tryton.cfg', 'view/*.xml', 'locale/*.po']),
+        },
+    classifiers=[
+        'Development Status :: 5 - Production/Stable',
+        'Environment :: Plugins',
+        'Framework :: Tryton',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Financial and Insurance Industry',
+        'Intended Audience :: Legal Industry',
+        'Intended Audience :: Manufacturing',
+        'License :: OSI Approved :: GNU General Public License (GPL)',
+        'Natural Language :: Bulgarian',
+        'Natural Language :: Catalan',
+        'Natural Language :: Czech',
+        'Natural Language :: Dutch',
+        'Natural Language :: English',
+        'Natural Language :: French',
+        'Natural Language :: German',
+        'Natural Language :: Russian',
+        'Natural Language :: Spanish',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python :: 2.6',
+        'Programming Language :: Python :: 2.7',
+        'Topic :: Office/Business',
+        ],
+    license='GPL-3',
+    install_requires=requires,
+    zip_safe=False,
+    entry_points="""
+    [trytond.modules]
+    project_invoice = trytond.modules.project_invoice
+    """,
+    test_suite='tests',
+    test_loader='trytond.test_loader:Loader',
+    )
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..ebafcc1
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1,4 @@
+#This file is part of Tryton.  The COPYRIGHT file at the top level of
+#this repository contains the full copyright notices and license terms.
+
+from .test_project_invoice import suite
diff --git a/tests/scenario_project_invoice_effort.rst b/tests/scenario_project_invoice_effort.rst
new file mode 100644
index 0000000..b6ad4d6
--- /dev/null
+++ b/tests/scenario_project_invoice_effort.rst
@@ -0,0 +1,218 @@
+===============================
+Project Invoice Effort Scenario
+===============================
+
+=============
+General Setup
+=============
+
+Imports::
+
+    >>> import datetime
+    >>> from dateutil.relativedelta import relativedelta
+    >>> from decimal import Decimal
+    >>> from proteus import config, Model, Wizard
+    >>> today = datetime.date.today()
+
+Create database::
+
+    >>> config = config.set_trytond()
+    >>> config.pool.test = True
+
+Install project_invoice::
+
+    >>> Module = Model.get('ir.module.module')
+    >>> module, = Module.find([
+    ...         ('name', '=', 'project_invoice'),
+    ...     ])
+    >>> Module.install([module.id], config.context)
+    >>> Wizard('ir.module.module.install_upgrade').execute('upgrade')
+
+Create company::
+
+    >>> Currency = Model.get('currency.currency')
+    >>> CurrencyRate = Model.get('currency.currency.rate')
+    >>> Company = Model.get('company.company')
+    >>> Party = Model.get('party.party')
+    >>> company_config = Wizard('company.company.config')
+    >>> company_config.execute('company')
+    >>> company = company_config.form
+    >>> party = Party(name='Dunder Mifflin')
+    >>> party.save()
+    >>> company.party = party
+    >>> currencies = Currency.find([('code', '=', 'USD')])
+    >>> if not currencies:
+    ...     currency = Currency(name='Euro', symbol=u'$', code='USD',
+    ...         rounding=Decimal('0.01'), mon_grouping='[3, 3, 0]',
+    ...         mon_decimal_point='.')
+    ...     currency.save()
+    ...     CurrencyRate(date=today + relativedelta(month=1, day=1),
+    ...         rate=Decimal('1.0'), currency=currency).save()
+    ... else:
+    ...     currency, = currencies
+    >>> company.currency = currency
+    >>> company_config.execute('add')
+    >>> company, = Company.find()
+
+Reload the context::
+
+    >>> User = Model.get('res.user')
+    >>> config._context = User.get_preferences(True, config.context)
+
+Create chart of accounts::
+
+    >>> AccountTemplate = Model.get('account.account.template')
+    >>> Account = Model.get('account.account')
+    >>> account_template, = AccountTemplate.find([('parent', '=', False)])
+    >>> create_chart = Wizard('account.create_chart')
+    >>> create_chart.execute('account')
+    >>> create_chart.form.account_template = account_template
+    >>> create_chart.form.company = company
+    >>> create_chart.execute('create_account')
+    >>> receivable, = Account.find([
+    ...         ('kind', '=', 'receivable'),
+    ...         ('company', '=', company.id),
+    ...         ])
+    >>> payable, = Account.find([
+    ...         ('kind', '=', 'payable'),
+    ...         ('company', '=', company.id),
+    ...         ])
+    >>> revenue, = Account.find([
+    ...         ('kind', '=', 'revenue'),
+    ...         ('company', '=', company.id),
+    ...         ])
+    >>> create_chart.form.account_receivable = receivable
+    >>> create_chart.form.account_payable = payable
+    >>> create_chart.execute('create_properties')
+
+Create payment term::
+
+    >>> PaymentTerm = Model.get('account.invoice.payment_term')
+    >>> PaymentTermLine = Model.get('account.invoice.payment_term.line')
+    >>> payment_term = PaymentTerm(name='Term')
+    >>> payment_term_line = PaymentTermLine(type='remainder', days=40)
+    >>> payment_term.lines.append(payment_term_line)
+    >>> payment_term.save()
+
+Create customer::
+
+    >>> Party = Model.get('party.party')
+    >>> customer = Party(name='Customer')
+    >>> customer.customer_payment_term = payment_term
+    >>> customer.save()
+
+Create employee::
+
+    >>> Employee = Model.get('company.employee')
+    >>> employee = Employee()
+    >>> party = Party(name='Employee')
+    >>> party.save()
+    >>> employee.party = party
+    >>> employee.company = company
+    >>> employee.save()
+
+Create product::
+
+    >>> ProductUom = Model.get('product.uom')
+    >>> hour, = ProductUom.find([('name', '=', 'Hour')])
+    >>> Product = Model.get('product.product')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> product = Product()
+    >>> template = ProductTemplate()
+    >>> template.name = 'Service'
+    >>> template.default_uom = hour
+    >>> template.type = 'service'
+    >>> template.list_price = Decimal('20')
+    >>> template.cost_price = Decimal('5')
+    >>> template.account_revenue = revenue
+    >>> template.save()
+    >>> product.template = template
+    >>> product.save()
+
+Create a Project::
+
+    >>> ProjectWork = Model.get('project.work')
+    >>> TimesheetWork = Model.get('timesheet.work')
+    >>> project = ProjectWork()
+    >>> work = TimesheetWork()
+    >>> work.name = 'Test effort'
+    >>> work.save()
+    >>> project.work = work
+    >>> project.type = 'project'
+    >>> project.party = customer
+    >>> project.project_invoice_method = 'effort'
+    >>> project.product = product
+    >>> project.effort = 1
+    >>> task = ProjectWork()
+    >>> work = TimesheetWork()
+    >>> work.name = 'Task 1'
+    >>> work.save()
+    >>> task.work = work
+    >>> task.type = 'task'
+    >>> task.product = product
+    >>> task.effort = 5
+    >>> project.children.append(task)
+    >>> project.save()
+    >>> task, = project.children
+
+Check project hours::
+
+    >>> project.reload()
+    >>> project.invoiced_hours
+    0.0
+    >>> project.hours_to_invoice
+    0.0
+    >>> project.invoiced_amount == Decimal(0)
+    True
+
+Do 1 task::
+
+    >>> task.state = 'done'
+    >>> task.save()
+
+Check project hours::
+
+    >>> project.reload()
+    >>> project.invoiced_hours
+    0.0
+    >>> project.hours_to_invoice
+    5.0
+    >>> project.invoiced_amount == Decimal(0)
+    True
+
+Invoice project::
+
+    >>> ProjectWork.invoice([project.id], config.context)
+    >>> project.reload()
+    >>> project.invoiced_hours
+    5.0
+    >>> project.hours_to_invoice
+    0.0
+    >>> project.invoiced_amount == Decimal(100)
+    True
+
+Do project::
+
+    >>> project.state = 'done'
+    >>> project.save()
+
+Check project hours::
+
+    >>> project.reload()
+    >>> project.invoiced_hours
+    5.0
+    >>> project.hours_to_invoice
+    1.0
+    >>> project.invoiced_amount == Decimal(100)
+    True
+
+Invoice again project::
+
+    >>> ProjectWork.invoice([project.id], config.context)
+    >>> project.reload()
+    >>> project.invoiced_hours
+    6.0
+    >>> project.hours_to_invoice
+    0.0
+    >>> project.invoiced_amount == Decimal(120)
+    True
diff --git a/tests/scenario_project_invoice_timesheet.rst b/tests/scenario_project_invoice_timesheet.rst
new file mode 100644
index 0000000..5666d53
--- /dev/null
+++ b/tests/scenario_project_invoice_timesheet.rst
@@ -0,0 +1,219 @@
+==================================
+Project Invoice Timesheet Scenario
+==================================
+
+=============
+General Setup
+=============
+
+Imports::
+
+    >>> import datetime
+    >>> from dateutil.relativedelta import relativedelta
+    >>> from decimal import Decimal
+    >>> from proteus import config, Model, Wizard
+    >>> today = datetime.date.today()
+
+Create database::
+
+    >>> config = config.set_trytond()
+    >>> config.pool.test = True
+
+Install project_invoice::
+
+    >>> Module = Model.get('ir.module.module')
+    >>> module, = Module.find([
+    ...         ('name', '=', 'project_invoice'),
+    ...     ])
+    >>> Module.install([module.id], config.context)
+    >>> Wizard('ir.module.module.install_upgrade').execute('upgrade')
+
+Create company::
+
+    >>> Currency = Model.get('currency.currency')
+    >>> CurrencyRate = Model.get('currency.currency.rate')
+    >>> Company = Model.get('company.company')
+    >>> Party = Model.get('party.party')
+    >>> company_config = Wizard('company.company.config')
+    >>> company_config.execute('company')
+    >>> company = company_config.form
+    >>> party = Party(name='Dunder Mifflin')
+    >>> party.save()
+    >>> company.party = party
+    >>> currencies = Currency.find([('code', '=', 'USD')])
+    >>> if not currencies:
+    ...     currency = Currency(name='Euro', symbol=u'$', code='USD',
+    ...         rounding=Decimal('0.01'), mon_grouping='[3, 3, 0]',
+    ...         mon_decimal_point='.')
+    ...     currency.save()
+    ...     CurrencyRate(date=today + relativedelta(month=1, day=1),
+    ...         rate=Decimal('1.0'), currency=currency).save()
+    ... else:
+    ...     currency, = currencies
+    >>> company.currency = currency
+    >>> company_config.execute('add')
+    >>> company, = Company.find()
+
+Reload the context::
+
+    >>> User = Model.get('res.user')
+    >>> config._context = User.get_preferences(True, config.context)
+
+Create chart of accounts::
+
+    >>> AccountTemplate = Model.get('account.account.template')
+    >>> Account = Model.get('account.account')
+    >>> account_template, = AccountTemplate.find([('parent', '=', False)])
+    >>> create_chart = Wizard('account.create_chart')
+    >>> create_chart.execute('account')
+    >>> create_chart.form.account_template = account_template
+    >>> create_chart.form.company = company
+    >>> create_chart.execute('create_account')
+    >>> receivable, = Account.find([
+    ...         ('kind', '=', 'receivable'),
+    ...         ('company', '=', company.id),
+    ...         ])
+    >>> payable, = Account.find([
+    ...         ('kind', '=', 'payable'),
+    ...         ('company', '=', company.id),
+    ...         ])
+    >>> revenue, = Account.find([
+    ...         ('kind', '=', 'revenue'),
+    ...         ('company', '=', company.id),
+    ...         ])
+    >>> create_chart.form.account_receivable = receivable
+    >>> create_chart.form.account_payable = payable
+    >>> create_chart.execute('create_properties')
+
+Create payment term::
+
+    >>> PaymentTerm = Model.get('account.invoice.payment_term')
+    >>> PaymentTermLine = Model.get('account.invoice.payment_term.line')
+    >>> payment_term = PaymentTerm(name='Term')
+    >>> payment_term_line = PaymentTermLine(type='remainder', days=40)
+    >>> payment_term.lines.append(payment_term_line)
+    >>> payment_term.save()
+
+Create customer::
+
+    >>> Party = Model.get('party.party')
+    >>> customer = Party(name='Customer')
+    >>> customer.customer_payment_term = payment_term
+    >>> customer.save()
+
+Create employee::
+
+    >>> Employee = Model.get('company.employee')
+    >>> employee = Employee()
+    >>> party = Party(name='Employee')
+    >>> party.save()
+    >>> employee.party = party
+    >>> employee.company = company
+    >>> employee.save()
+
+Create product::
+
+    >>> ProductUom = Model.get('product.uom')
+    >>> hour, = ProductUom.find([('name', '=', 'Hour')])
+    >>> Product = Model.get('product.product')
+    >>> ProductTemplate = Model.get('product.template')
+    >>> product = Product()
+    >>> template = ProductTemplate()
+    >>> template.name = 'Service'
+    >>> template.default_uom = hour
+    >>> template.type = 'service'
+    >>> template.list_price = Decimal('20')
+    >>> template.cost_price = Decimal('5')
+    >>> template.account_revenue = revenue
+    >>> template.save()
+    >>> product.template = template
+    >>> product.save()
+
+Create a Project::
+
+    >>> ProjectWork = Model.get('project.work')
+    >>> TimesheetWork = Model.get('timesheet.work')
+    >>> project = ProjectWork()
+    >>> work = TimesheetWork()
+    >>> work.name = 'Test timesheet'
+    >>> work.save()
+    >>> project.work = work
+    >>> project.type = 'project'
+    >>> project.party = customer
+    >>> project.project_invoice_method = 'timesheet'
+    >>> project.product = product
+    >>> task = ProjectWork()
+    >>> work = TimesheetWork()
+    >>> work.name = 'Task 1'
+    >>> work.save()
+    >>> task.work = work
+    >>> task.type = 'task'
+    >>> task.product = product
+    >>> project.children.append(task)
+    >>> project.save()
+    >>> task, = project.children
+
+Create timesheets::
+
+    >>> TimesheetLine = Model.get('timesheet.line')
+    >>> line = TimesheetLine()
+    >>> line.employee = employee
+    >>> line.hours = 3
+    >>> line.work = task.work
+    >>> line.save()
+    >>> line = TimesheetLine()
+    >>> line.employee = employee
+    >>> line.hours = 2
+    >>> line.work = project.work
+    >>> line.save()
+
+Check project hours::
+
+    >>> project.reload()
+    >>> project.invoiced_hours
+    0.0
+    >>> project.hours_to_invoice
+    5.0
+    >>> project.invoiced_amount == Decimal(0)
+    True
+
+Invoice project::
+
+    >>> ProjectWork.invoice([project.id], config.context)
+    >>> project.reload()
+    >>> project.invoiced_hours
+    5.0
+    >>> project.hours_to_invoice
+    0.0
+    >>> project.invoiced_amount == Decimal(100)
+    True
+
+Create more timesheets::
+
+    >>> TimesheetLine = Model.get('timesheet.line')
+    >>> line = TimesheetLine()
+    >>> line.employee = employee
+    >>> line.hours = 4
+    >>> line.work = task.work
+    >>> line.save()
+
+Check project hours::
+
+    >>> project.reload()
+    >>> project.invoiced_hours
+    5.0
+    >>> project.hours_to_invoice
+    4.0
+    >>> project.invoiced_amount == Decimal(100)
+    True
+
+Invoice again project::
+
+    >>> ProjectWork.invoice([project.id], config.context)
+    >>> project.reload()
+    >>> project.invoiced_hours
+    9.0
+    >>> project.hours_to_invoice
+    0.0
+    >>> project.invoiced_amount == Decimal(180)
+    True
diff --git a/tests/test_project_invoice.py b/tests/test_project_invoice.py
new file mode 100644
index 0000000..99effe3
--- /dev/null
+++ b/tests/test_project_invoice.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python
+#This file is part of Tryton.  The COPYRIGHT file at the top level of
+#this repository contains the full copyright notices and license terms.
+
+import sys
+import os
+DIR = os.path.abspath(os.path.normpath(os.path.join(__file__,
+    '..', '..', '..', '..', '..', 'trytond')))
+if os.path.isdir(DIR):
+    sys.path.insert(0, os.path.dirname(DIR))
+
+import unittest
+import doctest
+import trytond.tests.test_tryton
+from trytond.tests.test_tryton import test_view, test_depends
+from trytond.backend.sqlite.database import Database as SQLiteDatabase
+
+
+class ProjectInvoiceTestCase(unittest.TestCase):
+    '''
+    Test Project Invoice module.
+    '''
+
+    def setUp(self):
+        trytond.tests.test_tryton.install_module('project_invoice')
+
+    def test0005views(self):
+        '''
+        Test views.
+        '''
+        test_view('project_invoice')
+
+    def test0006depends(self):
+        '''
+        Test depends.
+        '''
+        test_depends()
+
+
+def doctest_dropdb(test):
+    '''
+    Remove sqlite memory database
+    '''
+    database = SQLiteDatabase().connect()
+    cursor = database.cursor(autocommit=True)
+    try:
+        database.drop(cursor, ':memory:')
+        cursor.commit()
+    finally:
+        cursor.close()
+
+
+def suite():
+    suite = trytond.tests.test_tryton.suite()
+    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
+            ProjectInvoiceTestCase))
+    suite.addTests(doctest.DocFileSuite(
+            'scenario_project_invoice_timesheet.rst',
+            setUp=doctest_dropdb, tearDown=doctest_dropdb, encoding='utf-8',
+            optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
+    suite.addTests(doctest.DocFileSuite(
+            'scenario_project_invoice_effort.rst',
+            setUp=doctest_dropdb, tearDown=doctest_dropdb, encoding='utf-8',
+            optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
+    return suite
+
+if __name__ == '__main__':
+    unittest.TextTestRunner(verbosity=2).run(suite())
diff --git a/timesheet.py b/timesheet.py
new file mode 100644
index 0000000..67ee5cc
--- /dev/null
+++ b/timesheet.py
@@ -0,0 +1,35 @@
+#This file is part of Tryton.  The COPYRIGHT file at the top level of
+#this repository contains the full copyright notices and license terms.
+from trytond.model import fields
+from trytond.pool import PoolMeta
+
+
+__all__ = ['TimesheetLine']
+__metaclass__ = PoolMeta
+
+
+class TimesheetLine:
+    __name__ = 'timesheet.line'
+    invoice_line = fields.Many2One('account.invoice.line', 'Invoice Line',
+        readonly=True)
+
+    @classmethod
+    def __setup__(cls):
+        super(TimesheetLine, cls).__setup__()
+        cls._error_messages.update({
+                'delete_invoiced_line': 'You can not delete invoiced line.',
+                })
+
+    @classmethod
+    def copy(cls, records, default=None):
+        if default is None:
+            default = {}
+        default = default.copy()
+        default.setdefault('invoice_line', None)
+        return super(TimesheetLine, cls).copy(records, default=default)
+
+    @classmethod
+    def delete(cls, records):
+        if any(r.invoice_line for r in records):
+            cls.raise_user_error('delete_invoiced_line')
+        super(TimesheetLine, cls).delete(records)
diff --git a/tryton.cfg b/tryton.cfg
new file mode 100644
index 0000000..1417a12
--- /dev/null
+++ b/tryton.cfg
@@ -0,0 +1,13 @@
+[tryton]
+version=2.8.0
+depends:
+    ir
+    project
+    project_revenue
+    timesheet
+    account
+    account_invoice
+    product
+xml:
+    project.xml
+    work.xml
diff --git a/trytond_project_invoice.egg-info/PKG-INFO b/trytond_project_invoice.egg-info/PKG-INFO
new file mode 100644
index 0000000..aaa2005
--- /dev/null
+++ b/trytond_project_invoice.egg-info/PKG-INFO
@@ -0,0 +1,67 @@
+Metadata-Version: 1.1
+Name: trytond-project-invoice
+Version: 2.8.0
+Summary: Tryton module to invoice projects
+Home-page: http://www.tryton.org/
+Author: Tryton
+Author-email: UNKNOWN
+License: GPL-3
+Download-URL: http://downloads.tryton.org/2.8/
+Description: trytond_project_invoice
+        =======================
+        
+        The project_invoice module of the Tryton application platform.
+        
+        Installing
+        ----------
+        
+        See INSTALL
+        
+        Support
+        -------
+        
+        If you encounter any problems with Tryton, please don't hesitate to ask
+        questions on the Tryton bug tracker, mailing list, wiki or IRC channel:
+        
+          http://bugs.tryton.org/
+          http://groups.tryton.org/
+          http://wiki.tryton.org/
+          irc://irc.freenode.net/tryton
+        
+        License
+        -------
+        
+        See LICENSE
+        
+        Copyright
+        ---------
+        
+        See COPYRIGHT
+        
+        
+        For more information please visit the Tryton web site:
+        
+          http://www.tryton.org/
+        
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Environment :: Plugins
+Classifier: Framework :: Tryton
+Classifier: Intended Audience :: Developers
+Classifier: Intended Audience :: Financial and Insurance Industry
+Classifier: Intended Audience :: Legal Industry
+Classifier: Intended Audience :: Manufacturing
+Classifier: License :: OSI Approved :: GNU General Public License (GPL)
+Classifier: Natural Language :: Bulgarian
+Classifier: Natural Language :: Catalan
+Classifier: Natural Language :: Czech
+Classifier: Natural Language :: Dutch
+Classifier: Natural Language :: English
+Classifier: Natural Language :: French
+Classifier: Natural Language :: German
+Classifier: Natural Language :: Russian
+Classifier: Natural Language :: Spanish
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python :: 2.6
+Classifier: Programming Language :: Python :: 2.7
+Classifier: Topic :: Office/Business
diff --git a/trytond_project_invoice.egg-info/SOURCES.txt b/trytond_project_invoice.egg-info/SOURCES.txt
new file mode 100644
index 0000000..4663da6
--- /dev/null
+++ b/trytond_project_invoice.egg-info/SOURCES.txt
@@ -0,0 +1,31 @@
+CHANGELOG
+COPYRIGHT
+INSTALL
+LICENSE
+MANIFEST.in
+README
+project.xml
+setup.py
+tryton.cfg
+work.xml
+./__init__.py
+./timesheet.py
+./work.py
+./tests/__init__.py
+./tests/test_project_invoice.py
+doc/index.rst
+locale/ca_ES.po
+locale/de_DE.po
+locale/es_AR.po
+locale/es_ES.po
+locale/fr_FR.po
+tests/scenario_project_invoice_effort.rst
+tests/scenario_project_invoice_timesheet.rst
+trytond_project_invoice.egg-info/PKG-INFO
+trytond_project_invoice.egg-info/SOURCES.txt
+trytond_project_invoice.egg-info/dependency_links.txt
+trytond_project_invoice.egg-info/entry_points.txt
+trytond_project_invoice.egg-info/not-zip-safe
+trytond_project_invoice.egg-info/requires.txt
+trytond_project_invoice.egg-info/top_level.txt
+view/work_form.xml
\ No newline at end of file
diff --git a/trytond_project_invoice.egg-info/dependency_links.txt b/trytond_project_invoice.egg-info/dependency_links.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/trytond_project_invoice.egg-info/dependency_links.txt
@@ -0,0 +1 @@
+
diff --git a/trytond_project_invoice.egg-info/entry_points.txt b/trytond_project_invoice.egg-info/entry_points.txt
new file mode 100644
index 0000000..8dcb7b2
--- /dev/null
+++ b/trytond_project_invoice.egg-info/entry_points.txt
@@ -0,0 +1,4 @@
+
+    [trytond.modules]
+    project_invoice = trytond.modules.project_invoice
+    
\ No newline at end of file
diff --git a/trytond_project_invoice.egg-info/not-zip-safe b/trytond_project_invoice.egg-info/not-zip-safe
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/trytond_project_invoice.egg-info/not-zip-safe
@@ -0,0 +1 @@
+
diff --git a/trytond_project_invoice.egg-info/requires.txt b/trytond_project_invoice.egg-info/requires.txt
new file mode 100644
index 0000000..a51e671
--- /dev/null
+++ b/trytond_project_invoice.egg-info/requires.txt
@@ -0,0 +1,7 @@
+trytond_project >= 2.8, < 2.9
+trytond_project_revenue >= 2.8, < 2.9
+trytond_timesheet >= 2.8, < 2.9
+trytond_account >= 2.8, < 2.9
+trytond_account_invoice >= 2.8, < 2.9
+trytond_product >= 2.8, < 2.9
+trytond >= 2.8, < 2.9
\ No newline at end of file
diff --git a/trytond_project_invoice.egg-info/top_level.txt b/trytond_project_invoice.egg-info/top_level.txt
new file mode 100644
index 0000000..93df119
--- /dev/null
+++ b/trytond_project_invoice.egg-info/top_level.txt
@@ -0,0 +1 @@
+trytond
diff --git a/view/work_form.xml b/view/work_form.xml
new file mode 100644
index 0000000..57b8b2d
--- /dev/null
+++ b/view/work_form.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath
+        expr="/form/notebook/page[@id='general']/field[@name='timesheet_available']"
+        position="after">
+        <label name="project_invoice_method"/>
+        <field name="project_invoice_method"/>
+    </xpath>
+    <xpath expr="/form/notebook/page[@id='general']/separator[@name='comment']"
+        position="before">
+        <newline/>
+        <label name="invoiced_hours"/>
+        <field name="invoiced_hours" widget="float_time"
+            float_time="company_work_time"/>
+        <label name="invoiced_amount"/>
+        <field name="invoiced_amount"/>
+        <label name="hours_to_invoice"/>
+        <field name="hours_to_invoice" widget="float_time"
+            float_time="company_work_time"/>
+    </xpath>
+    <xpath expr="/form/notebook/page[@id='general']/group/group[@id='buttons']"
+        position="inside">
+        <button string="Invoice" name="invoice"/>
+    </xpath>
+</data>
diff --git a/work.py b/work.py
new file mode 100644
index 0000000..7903b39
--- /dev/null
+++ b/work.py
@@ -0,0 +1,400 @@
+#This file is part of Tryton.  The COPYRIGHT file at the top level of
+#this repository contains the full copyright notices and license terms.
+from itertools import groupby
+from decimal import Decimal
+
+from trytond.model import ModelView, fields
+from trytond.pool import PoolMeta
+from trytond.pyson import Eval, Bool, PYSONEncoder
+from trytond.pool import Pool
+from trytond.transaction import Transaction
+from trytond.wizard import Wizard, StateAction
+from trytond.tools import reduce_ids
+
+
+__all__ = ['Work', 'OpenInvoice']
+__metaclass__ = PoolMeta
+
+INVOICE_METHODS = [
+    ('manual', 'Manual'),
+    ('effort', 'On Effort'),
+    ('timesheet', 'On Timesheet'),
+    ]
+
+
+class Work:
+    __name__ = 'project.work'
+    project_invoice_method = fields.Selection(INVOICE_METHODS,
+        'Invoice Method',
+        states={
+            'readonly': Bool(Eval('invoiced_hours')),
+            'required': Eval('type') == 'project',
+            'invisible': Eval('type') != 'project',
+            },
+        depends=['invoiced_hours', 'type'])
+    invoice_method = fields.Function(fields.Selection(INVOICE_METHODS,
+            'Invoice Method'), 'get_invoice_method')
+    invoiced_hours = fields.Function(fields.Float('Invoiced Hours',
+            digits=(16, 2),
+            states={
+                'invisible': Eval('invoice_method') == 'manual',
+                },
+            depends=['invoice_method']), 'get_invoice_values')
+    hours_to_invoice = fields.Function(fields.Float('Hours to Invoice',
+            digits=(16, 2),
+            states={
+                'invisible': Eval('invoice_method') == 'manual',
+                },
+            depends=['invoice_method']), 'get_invoice_values')
+    invoiced_amount = fields.Function(fields.Numeric('Invoiced Amount',
+            digits=(16, Eval('currency_digits', 2)),
+            states={
+                'invisible': Eval('invoice_method') == 'manual',
+                },
+            depends=['currency_digits', 'invoice_method']),
+        'get_invoice_values')
+    invoice_line = fields.Many2One('account.invoice.line', 'Invoice Line',
+        readonly=True)
+
+    @classmethod
+    def __setup__(cls):
+        super(Work, cls).__setup__()
+        cls._buttons.update({
+                'invoice': {
+                    'invisible': ((Eval('type') != 'project')
+                        | (Eval('project_invoice_method', 'manual')
+                            == 'manual')),
+                    'readonly': ~Eval('hours_to_invoice'),
+                    },
+                })
+        cls._error_messages.update({
+                'missing_product': 'There is no product on work "%s".',
+                'missing_list_price': 'There is no list price on work "%s".',
+                'missing_party': 'There is no party on work "%s".',
+                })
+
+    @staticmethod
+    def default_project_invoice_method():
+        return 'manual'
+
+    @classmethod
+    def copy(cls, records, default=None):
+        if default is None:
+            default = {}
+        default = default.copy()
+        default.setdefault('invoice_line', None)
+        return super(Work, cls).copy(records, default=default)
+
+    def get_invoice_method(self, name):
+        if self.type == 'project':
+            return self.project_invoice_method
+        else:
+            return self.parent.invoice_method
+
+    @staticmethod
+    def default_invoiced_hours():
+        return 0.
+
+    @staticmethod
+    def _get_invoiced_hours_manual(works):
+        return {}
+
+    @staticmethod
+    def _get_invoiced_hours_effort(works):
+        return dict((w.id, w.effort) for w in works
+            if w.invoice_line)
+
+    @classmethod
+    def _get_invoiced_hours_timesheet(cls, works):
+        return cls._get_hours_timesheet(works, True)
+
+    @staticmethod
+    def default_hours_to_invoice():
+        return 0.
+
+    @staticmethod
+    def _get_hours_to_invoice_manual(works):
+        return {}
+
+    @staticmethod
+    def _get_hours_to_invoice_effort(works):
+        return dict((w.id, w.effort) for w in works
+            if w.state == 'done' and not w.invoice_line)
+
+    @classmethod
+    def _get_hours_to_invoice_timesheet(cls, works):
+        return cls._get_hours_timesheet(works, False)
+
+    @staticmethod
+    def default_invoiced_amount():
+        return Decimal(0)
+
+    @staticmethod
+    def _get_invoiced_amount_manual(works):
+        return {}
+
+    @staticmethod
+    def _get_invoiced_amount_effort(works):
+        pool = Pool()
+        InvoiceLine = pool.get('account.invoice.line')
+
+        with Transaction().set_user(0, set_context=True):
+            invoice_lines = InvoiceLine.browse([
+                    w.invoice_line.id for w in works
+                    if w.invoice_line])
+
+        id2invoice_lines = dict((l.id, l) for l in invoice_lines)
+        amounts = {}
+        for work in works:
+            if work.invoice_line:
+                invoice_line = id2invoice_lines[work.invoice_line.id]
+                amounts[work.id] = invoice_line.amount
+            else:
+                amounts[work.id] = Decimal(0)
+        return amounts
+
+    @staticmethod
+    def _get_invoiced_amount_timesheet(works):
+        pool = Pool()
+        InvoiceLine = pool.get('account.invoice.line')
+
+        with Transaction().set_user(0, set_context=True):
+            invoice_lines = InvoiceLine.browse([
+                    t.invoice_line.id for w in works
+                    for t in w.work.timesheet_lines
+                    if t.invoice_line])
+
+        id2invoice_lines = dict((l.id, l) for l in invoice_lines)
+        amounts = {}
+        for work in works:
+            amounts[work.id] = Decimal(0)
+            for timesheet_line in work.work.timesheet_lines:
+                if not timesheet_line.invoice_line:
+                    continue
+                invoice_line = id2invoice_lines[timesheet_line.invoice_line.id]
+                amounts[work.id] += (invoice_line.unit_price
+                    * Decimal(str(timesheet_line.hours)))
+        return amounts
+
+    @staticmethod
+    def _get_hours_timesheet(works, invoiced):
+        pool = Pool()
+        TimesheetLine = pool.get('timesheet.line')
+        cursor = Transaction().cursor
+
+        hours = {}
+        ids = [w.id for w in works]
+        for i in range(0, len(ids), cursor.IN_MAX):
+            sub_ids = ids[i:i + cursor.IN_MAX]
+            red_sql, red_ids = reduce_ids('work', sub_ids)
+            cursor.execute('SELECT work, SUM(hours) '
+                'FROM "' + TimesheetLine._table + '" '
+                'WHERE ' + red_sql + ' '
+                    'AND invoice_line IS ' + (
+                    'NOT NULL ' if invoiced else 'NULL ') +
+                'GROUP BY work', red_ids)
+            hours.update(dict(i for i in cursor.fetchall()))
+        return hours
+
+    @classmethod
+    def get_invoice_values(cls, works, name):
+        works += cls.search([
+                ('parent', 'child_of', [w.id for w in works]),
+                ])
+
+        values = {}
+        method2works = {}
+        for work in works:
+            method2works.setdefault(work.invoice_method, []).append(work)
+        for method, m_works in method2works.iteritems():
+            method = getattr(cls, '_get_%s_%s' % (name, method))
+            values.update(method(m_works))
+
+        default = getattr(cls, 'default_%s' % name)()
+        return cls.sum_tree(works, lambda w: values.get(w.id, default))
+
+    @classmethod
+    @ModelView.button
+    def invoice(cls, works):
+        pool = Pool()
+        Invoice = pool.get('account.invoice')
+
+        invoices = []
+        for work in works:
+            invoice_lines = work._get_lines_to_invoice()
+            if not invoice_lines:
+                continue
+            invoice = work._get_invoice()
+            invoice.save()
+            invoices.append(invoice)
+            for key, lines in groupby(invoice_lines,
+                    key=work._group_lines_to_invoice_key):
+                lines = list(lines)
+                key = dict(key)
+                invoice_line = work._get_invoice_line(key, invoice, lines)
+                invoice_line.invoice = invoice.id
+                invoice_line.save()
+                origins = {}
+                for line in lines:
+                    origin = line['origin']
+                    origins.setdefault(origin.__class__, []).append(origin)
+                for klass, records in origins.iteritems():
+                    klass.write(records, {
+                            'invoice_line': invoice_line.id,
+                            })
+        with Transaction().set_user(0, set_context=True):
+            Invoice.update_taxes(invoices)
+
+    def _get_invoice(self):
+        "Return invoice for the work"
+        pool = Pool()
+        Invoice = pool.get('account.invoice')
+        Journal = pool.get('account.journal')
+
+        journals = Journal.search([
+                ('type', '=', 'revenue'),
+                ], limit=1)
+        if journals:
+            journal, = journals
+        else:
+            journal = None
+
+        if not self.party:
+            self.raise_user_error('missing_party', (self.rec_name,))
+
+        with Transaction().set_user(0, set_context=True):
+            return Invoice(
+                company=self.company,
+                type='out_invoice',
+                journal=journal,
+                party=self.party,
+                invoice_address=self.party.address_get(type='invoice'),
+                currency=self.company.currency,
+                account=self.party.account_receivable,
+                payment_term=self.party.customer_payment_term,
+                description=self.work.name,
+                )
+
+    def _group_lines_to_invoice_key(self, line):
+        "The key to group lines"
+        return (('product', line['product']),
+            ('unit_price', line['unit_price']),
+            ('description', line['description']))
+
+    def _get_invoice_line(self, key, invoice, lines):
+        "Return a invoice line for the lines"
+        pool = Pool()
+        InvoiceLine = pool.get('account.invoice.line')
+        ModelData = pool.get('ir.model.data')
+        Uom = pool.get('product.uom')
+
+        hour = Uom(ModelData.get_id('product', 'uom_hour'))
+        quantity = sum(l['quantity'] for l in lines)
+        product = key['product']
+
+        with Transaction().set_user(0, set_context=True):
+            invoice_line = InvoiceLine()
+        invoice_line.type = 'line'
+        invoice_line.quantity = Uom.compute_qty(hour, quantity,
+            product.default_uom)
+        invoice_line.unit = product.default_uom
+        invoice_line.product = product
+        invoice_line.description = key['description']
+        invoice_line.account = product.account_revenue_used
+        invoice_line.unit_price = Uom.compute_price(hour, key['unit_price'],
+            product.default_uom)
+
+        taxes = []
+        pattern = invoice_line._get_tax_rule_pattern()
+        party = invoice.party
+        for tax in product.customer_taxes_used:
+            if party.customer_taxes_used:
+                tax_ids = party.customer_tax_rule.apply(tax, pattern)
+                if tax_ids:
+                    taxes.extend(tax_ids)
+                continue
+            taxes.append(tax.id)
+        if party.customer_tax_rule:
+            tax_ids = party.customer_tax_rule.apply(None, pattern)
+            if tax_ids:
+                taxes.extend(tax_ids)
+        invoice_line.taxes = taxes
+        return invoice_line
+
+    def _get_lines_to_invoice_manual(self):
+        return []
+
+    def _get_lines_to_invoice_effort(self):
+        if not self.invoice_line and self.effort and self.state == 'done':
+            if not self.product:
+                self.raise_user_error('missing_product', (self.rec_name,))
+            elif self.list_price is None:
+                self.raise_user_error('missing_list_price', (self.rec_name,))
+            return [{
+                    'product': self.product,
+                    'quantity': self.effort,
+                    'unit_price': self.list_price,
+                    'origin': self,
+                    'description': self.work.name,
+                    }]
+        return []
+
+    def _get_lines_to_invoice_timesheet(self):
+        if self.work.timesheet_lines:
+            if not self.product:
+                self.raise_user_error('missing_product', (self.rec_name,))
+            elif self.list_price is None:
+                self.raise_user_error('missing_list_price', (self.rec_name,))
+            return [{
+                    'product': self.product,
+                    'quantity': l.hours,
+                    'unit_price': self.list_price,
+                    'origin': l,
+                    'description': self.work.name,
+                    } for l in self.work.timesheet_lines
+                if not l.invoice_line]
+        return []
+
+    def _test_group_invoice(self):
+        return (self.company, self.party)
+
+    def _get_lines_to_invoice(self, test=None):
+        "Return lines for work and children"
+        lines = []
+        if test is None:
+            test = self._test_group_invoice()
+        lines += getattr(self, '_get_lines_to_invoice_%s' %
+            self.invoice_method)()
+        for children in self.children:
+            if children.type == 'project':
+                if test != children._test_group_invoice():
+                    continue
+            lines += children._get_lines_to_invoice(test=test)
+        return lines
+
+
+class OpenInvoice(Wizard):
+    'Open Invoice'
+    __name__ = 'project.open_invoice'
+    start_state = 'open_'
+    open_ = StateAction('account_invoice.act_invoice_form')
+
+    def do_open_(self, action):
+        pool = Pool()
+        Work = pool.get('project.work')
+        works = Work.search([
+                ('parent', 'child_of', Transaction().context['active_ids']),
+                ])
+        invoice_ids = set()
+        for work in works:
+            if work.invoice_line and work.invoice_line.invoice:
+                invoice_ids.add(work.invoice_line.invoice.id)
+            for timesheet_line in work.work.timesheet_lines:
+                if (timesheet_line.invoice_line
+                        and timesheet_line.invoice_line.invoice):
+                    invoice_ids.add(timesheet_line.invoice_line.invoice.id)
+        encoder = PYSONEncoder()
+        action['pyson_domain'] = encoder.encode(
+            [('id', 'in', list(invoice_ids))])
+        action['pyson_search_value'] = encoder.encode([])
+        return action, {}
diff --git a/work.xml b/work.xml
new file mode 100644
index 0000000..de9de41
--- /dev/null
+++ b/work.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tryton>
+    <data>
+        <record model="ir.ui.view" id="work_view_form">
+            <field name="model">project.work</field>
+            <field name="inherit" ref="project.work_view_form"/>
+            <field name="name">work_form</field>
+        </record>
+
+        <record model="ir.model.button" id="work_invoice_button">
+            <field name="name">invoice</field>
+            <field name="model" search="[('model', '=', 'project.work')]"/>
+        </record>
+        <record model="ir.model.button-res.group"
+            id="work_invoice_button_group_project_invoice">
+            <field name="button" ref="work_invoice_button"/>
+            <field name="group" ref="group_project_invoice"/>
+        </record>
+
+        <record model="ir.action.wizard" id="open_invoice">
+            <field name="name">Invoices</field>
+            <field name="wiz_name">project.open_invoice</field>
+            <field name="model">project.work</field>
+        </record>
+        <record model="ir.action.keyword" id="open_invoice_keyword">
+            <field name="keyword">form_relate</field>
+            <field name="model">project.work,-1</field>
+            <field name="action" ref="open_invoice"/>
+        </record>
+        <record model="ir.action-res.group" id="open_invoice-group_invoice">
+            <field name="action" ref="open_invoice"/>
+            <field name="group" ref="account.group_account"/>
+        </record>
+    </data>
+</tryton>
-- 
tryton-modules-project-invoice



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