Add Python3 support

issue3211
review17851002

.drone.yml

@@ -1,9 +1,9 @@
-image: python2.7
+image: python:all
 env:
   - POSTGRESQL_URI=postgresql://postgres@127.0.0.1:5432/
   - MYSQL_URI=mysql://root@127.0.0.1:3306/
 script:
   - pip install tox
-  - tox -e "py27-{sqlite,postgresql}"
+  - tox -e "{py27,py33,py34,py35}-{sqlite,postgresql}" --skip-missing-interpreters
 services:
   - postgres

CHANGELOG

@@ -1,3 +1,5 @@
+* Add Python3 support
+
 Version 3.8.0 - 2015-11-02
 * Bug fixes (see mercurial logs for details)
 * Adapt inventory to use grouping

product.py

@@ -5,10 +5,10 @@ from trytond.pyson import Eval
 from trytond.pool import PoolMeta
 
 __all__ = ['Template', 'Product', 'TemplateLotType']
-__metaclass__ = PoolMeta
 
 
 class Template:
+    __metaclass__ = PoolMeta
     __name__ = 'product.template'
 
     # TODO to replace with a Multiple Selection
@@ -22,6 +22,7 @@ class Template:
 
 
 class Product:
+    __metaclass__ = PoolMeta
     __name__ = 'product.product'
 
     def lot_is_required(self, from_, to):

setup.py

@@ -5,11 +5,17 @@
 from setuptools import setup
 import re
 import os
-import ConfigParser
+import io
+try:
+    from configparser import ConfigParser
+except ImportError:
+    from ConfigParser import ConfigParser
 
 
 def read(fname):
-    return open(os.path.join(os.path.dirname(__file__), fname)).read()
+    return io.open(
+        os.path.join(os.path.dirname(__file__), fname),
+        'r', encoding='utf-8').read()
 
 
 def get_require_version(name):
@@ -21,7 +27,7 @@ def get_require_version(name):
         major_version, minor_version + 1)
     return require
 
-config = ConfigParser.ConfigParser()
+config = ConfigParser()
 config.readfp(open('tryton.cfg'))
 info = dict(config.items('tryton'))
 for key in ('depends', 'extras_depend', 'xml'):
@@ -95,6 +101,9 @@ setup(name=name,
         'Natural Language :: Spanish',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3.3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Office/Business',
@@ -110,4 +119,6 @@ setup(name=name,
     test_suite='tests',
     test_loader='trytond.test_loader:Loader',
     tests_require=tests_require,
+    use_2to3=True,
+    convert_2to3_doctests=['tests/scenario_stock_lot_shipment_out.rst'],
     )

stock.py

@@ -10,7 +10,6 @@ __all__ = ['Lot', 'LotType', 'Move', 'ShipmentIn', 'ShipmentOut',
     'ShipmentOutReturn',
     'Period', 'PeriodCacheLot',
     'Inventory', 'InventoryLine']
-__metaclass__ = PoolMeta
 
 
 class Lot(ModelSQL, ModelView, StockMixin):
@@ -46,6 +45,7 @@ class LotType(ModelSQL, ModelView):
 
 
 class Move:
+    __metaclass__ = PoolMeta
     __name__ = 'stock.move'
     lot = fields.Many2One('stock.lot', 'Lot',
         domain=[
@@ -80,6 +80,7 @@ class Move:
 
 
 class ShipmentIn:
+    __metaclass__ = PoolMeta
     __name__ = 'stock.shipment.in'
 
     @classmethod
@@ -91,6 +92,7 @@ class ShipmentIn:
 
 
 class ShipmentOut:
+    __metaclass__ = PoolMeta
     __name__ = 'stock.shipment.out'
 
     @classmethod
@@ -131,6 +133,7 @@ class ShipmentOut:
 
 
 class ShipmentOutReturn:
+    __metaclass__ = PoolMeta
     __name__ = 'stock.shipment.out.return'
 
     @classmethod
@@ -143,6 +146,7 @@ class ShipmentOutReturn:
 
 
 class Period:
+    __metaclass__ = PoolMeta
     __name__ = 'stock.period'
     lot_caches = fields.One2Many('stock.period.cache.lot', 'period',
         'Lot Caches', readonly=True)
@@ -179,6 +183,7 @@ class PeriodCacheLot(ModelSQL, ModelView):
 
 
 class Inventory:
+    __metaclass__ = PoolMeta
     __name__ = 'stock.inventory'
 
     @classmethod
@@ -187,6 +192,7 @@ class Inventory:
 
 
 class InventoryLine:
+    __metaclass__ = PoolMeta
     __name__ = 'stock.inventory.line'
     lot = fields.Many2One('stock.lot', 'Lot',
         domain=[

tests/test_stock_lot.py

@@ -9,6 +9,7 @@ from decimal import Decimal
 import trytond.tests.test_tryton
 from trytond.tests.test_tryton import ModuleTestCase, with_transaction
 from trytond.tests.test_tryton import doctest_setup, doctest_teardown
+from trytond.tests.test_tryton import doctest_checker
 from trytond.transaction import Transaction
 from trytond.pool import Pool
 
@@ -228,5 +229,6 @@ def suite():
             StockLotTestCase))
     suite.addTests(doctest.DocFileSuite('scenario_stock_lot_shipment_out.rst',
         setUp=doctest_setup, tearDown=doctest_teardown, encoding='utf-8',
+            checker=doctest_checker,
             optionflags=doctest.REPORT_ONLY_FIRST_FAILURE))
     return suite

tox.ini

@@ -1,10 +1,10 @@
 [tox]
-envlist = py27-{sqlite,postgresql,mysql},pypy-{sqlite,postgresql}
+envlist = {py27,py33,py34,py35}-{sqlite,postgresql,mysql},pypy-{sqlite,postgresql}
 
 [testenv]
 commands = {envpython} setup.py test
 deps =
-    py27-postgresql: psycopg2 >= 2.0
+    {py27,py33,py34,py35}-postgresql: psycopg2 >= 2.0
     pypy-postgresql: psycopg2cffi >= 2.5
     mysql: MySQL-python
 setenv =