Add Python3 support

issue3211

.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)
 * Split moves into supplier and customer moves

purchase.py

@@ -9,10 +9,10 @@ from trytond.tools import grouped_slice
 
 __all__ = ['PurchaseRequest', 'PurchaseConfig', 'Purchase', 'PurchaseLine',
     'ProductSupplier', 'CreatePurchase', 'PurchaseHandleShipmentException']
-__metaclass__ = PoolMeta
 
 
 class PurchaseRequest:
+    __metaclass__ = PoolMeta
     __name__ = 'purchase.request'
 
     customer = fields.Many2One('party.party', 'Customer', readonly=True,
@@ -29,6 +29,7 @@ class PurchaseRequest:
 
 
 class PurchaseConfig:
+    __metaclass__ = PoolMeta
     __name__ = 'purchase.configuration'
 
     purchase_drop_location = fields.Property(
@@ -37,6 +38,7 @@ class PurchaseConfig:
 
 
 class Purchase:
+    __metaclass__ = PoolMeta
     __name__ = 'purchase.purchase'
 
     customer = fields.Many2One('party.party', 'Customer', readonly=True,
@@ -124,6 +126,7 @@ class Purchase:
 
 
 class PurchaseLine:
+    __metaclass__ = PoolMeta
     __name__ = 'purchase.line'
 
     def get_to_location(self, name):
@@ -140,6 +143,7 @@ class PurchaseLine:
 
 
 class ProductSupplier:
+    __metaclass__ = PoolMeta
     __name__ = 'purchase.product_supplier'
 
     drop_shipment = fields.Boolean('Drop Shipment',
@@ -150,6 +154,7 @@ class ProductSupplier:
 
 
 class CreatePurchase:
+    __metaclass__ = PoolMeta
     __name__ = 'purchase.request.create_purchase'
 
     @classmethod
@@ -165,6 +170,7 @@ class CreatePurchase:
 
 
 class PurchaseHandleShipmentException:
+    __metaclass__ = PoolMeta
     __name__ = 'purchase.handle.shipment.exception'
 
     def transition_handle(self):

sale.py

@@ -6,10 +6,10 @@ from trytond.pool import Pool, PoolMeta
 from trytond.transaction import Transaction
 
 __all__ = ['SaleConfig', 'Sale', 'SaleLine']
-__metaclass__ = PoolMeta
 
 
 class SaleConfig:
+    __metaclass__ = PoolMeta
     __name__ = 'sale.configuration'
 
     sale_drop_location = fields.Property(
@@ -18,6 +18,7 @@ class SaleConfig:
 
 
 class Sale:
+    __metaclass__ = PoolMeta
     __name__ = 'sale.sale'
 
     drop_shipments = fields.Function(fields.One2Many('stock.shipment.drop',
@@ -60,6 +61,7 @@ class Sale:
 
 
 class SaleLine:
+    __metaclass__ = PoolMeta
     __name__ = 'sale.line'
 
     @property

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'):
@@ -94,6 +100,9 @@ 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 +119,8 @@ setup(name=name,
     test_suite='tests',
     test_loader='trytond.test_loader:Loader',
     tests_require=tests_require,
+    use_2to3=True,
+    convert_2to3_doctests=[
+        'tests/scenario_sale_supply_drop_shipment.rst',
+        ],
     )

stock.py

@@ -14,10 +14,10 @@ from trytond.tools import grouped_slice
 
 
 __all__ = ['Configuration', 'ShipmentDrop', 'Move']
-__metaclass__ = PoolMeta
 
 
 class Configuration:
+    __metaclass__ = PoolMeta
     __name__ = 'stock.configuration'
 
     shipment_drop_sequence = fields.Property(fields.Many2One('ir.sequence',
@@ -445,6 +445,7 @@ class ShipmentDrop(Workflow, ModelSQL, ModelView):
 
 
 class Move:
+    __metaclass__ = PoolMeta
     __name__ = 'stock.move'
 
     customer_drop = fields.Function(fields.Many2One('party.party',

tests/__init__.py

@@ -1,6 +1,6 @@
 # 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_sale_supply_drop_shipment import suite
+from .test_sale_supply_drop_shipment import suite
 
 __all__ = ['suite']

tests/scenario_sale_supply_drop_shipment.rst

@@ -12,7 +12,7 @@ Imports::
     ...     get_company
     >>> from trytond.modules.account.tests.tools import create_fiscalyear, \
     ...     create_chart, get_accounts
-    >>> from.trytond.modules.account_invoice.tests.tools import \
+    >>> from trytond.modules.account_invoice.tests.tools import \
     ...     set_fiscalyear_invoice_sequences, create_payment_term
     >>> today = datetime.date.today()
 

tests/test_sale_supply_drop_shipment.py

@@ -5,6 +5,7 @@ import doctest
 import trytond.tests.test_tryton
 from trytond.tests.test_tryton import ModuleTestCase
 from trytond.tests.test_tryton import doctest_setup, doctest_teardown
+from trytond.tests.test_tryton import doctest_checker
 
 
 class SaleSupplyDropShipmentTestCase(ModuleTestCase):
@@ -19,5 +20,6 @@ def suite():
     suite.addTests(doctest.DocFileSuite(
             'scenario_sale_supply_drop_shipment.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 =