Remove support for Python 2.7

issue7497
review53261002

.drone.yml

@@ -25,12 +25,6 @@ services:
 
 matrix:
     include:
-        - IMAGE: python:2.7
-          TOXENV: py27
-          DATABASE: sqlite
-        - IMAGE: python:2.7
-          TOXENV: py27
-          DATABASE: postgresql
         - IMAGE: python:3.4
           TOXENV: py34
           DATABASE: sqlite

CHANGELOG

@@ -1,3 +1,5 @@
+* Remove support for Python 2.7
+
 Version 4.8.0 - 2018-04-23
 * Bug fixes (see mercurial logs for details)
 

INSTALL

@@ -4,7 +4,7 @@ Installing trytond_carrier_percentage
 Prerequisites
 -------------
 
- * Python 2.7 or later (http://www.python.org/)
+ * Python 3.4 or later (http://www.python.org/)
  * trytond (http://www.tryton.org/)
  * trytond_carrier (http://www.tryton.org/)
  * trytond_currency (http://www.tryton.org/)

carrier.py

@@ -9,8 +9,7 @@ from trytond.pyson import Eval
 __all__ = ['Carrier']
 
 
-class Carrier:
-    __metaclass__ = PoolMeta
+class Carrier(metaclass=PoolMeta):
     __name__ = 'carrier'
     percentage = fields.Numeric('Percentage', digits=(16, 8),
         states={

sale.py

@@ -7,8 +7,7 @@ from trytond.pool import PoolMeta
 __all__ = ['Sale']
 
 
-class Sale:
-    __metaclass__ = PoolMeta
+class Sale(metaclass=PoolMeta):
     __name__ = 'sale.sale'
 
     def _get_carrier_context(self):

setup.py

@@ -1,15 +1,12 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # 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 io
-try:
-    from configparser import ConfigParser
-except ImportError:
-    from ConfigParser import ConfigParser
+import os
+import re
+from configparser import ConfigParser
+from setuptools import setup
 
 
 def read(fname):
@@ -27,6 +24,7 @@ def get_require_version(name):
         major_version, minor_version + 1)
     return require
 
+
 config = ConfigParser()
 config.readfp(open('tryton.cfg'))
 info = dict(config.items('tryton'))
@@ -104,7 +102,6 @@ setup(name=name,
         'Natural Language :: Slovenian',
         'Natural Language :: Spanish',
         'Operating System :: OS Independent',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
@@ -113,6 +110,7 @@ setup(name=name,
         'Topic :: Office/Business',
         ],
     license='GPL-3',
+    python_requires='>=3.4',
     install_requires=requires,
     dependency_links=dependency_links,
     zip_safe=False,
@@ -123,8 +121,4 @@ setup(name=name,
     test_suite='tests',
     test_loader='trytond.test_loader:Loader',
     tests_require=tests_require,
-    use_2to3=True,
-    convert_2to3_doctests=[
-        'tests/scenario_carrier_percentage_with_purchase_shipment_cost.rst',
-        ],
     )

stock.py

@@ -28,8 +28,7 @@ def _percentage_amount(lines, company):
     return amount
 
 
-class ShipmentIn:
-    __metaclass__ = PoolMeta
+class ShipmentIn(metaclass=PoolMeta):
     __name__ = 'stock.shipment.in'
 
     def _get_carrier_context(self):
@@ -46,8 +45,7 @@ class ShipmentIn:
         return context
 
 
-class ShipmentOut:
-    __metaclass__ = PoolMeta
+class ShipmentOut(metaclass=PoolMeta):
     __name__ = 'stock.shipment.out'
 
     def _get_carrier_context(self):

tests/scenario_carrier_percentage_with_purchase_shipment_cost.rst

@@ -127,7 +127,7 @@ Receive a single product line::
     True
     >>> shipment.click('receive')
     >>> shipment.state
-    u'received'
+    'received'
     >>> move, = shipment.incoming_moves
     >>> move.unit_price
     Decimal('9.2000')
@@ -160,7 +160,7 @@ Sale products with cost on shipment::
     >>> sale.click('confirm')
     >>> sale.click('process')
     >>> sale.state
-    u'processing'
+    'processing'
     >>> sale.untaxed_amount
     Decimal('115.00')
 
@@ -181,16 +181,16 @@ Send products::
     >>> shipment.cost_currency == company.currency
     True
     >>> shipment.state
-    u'waiting'
+    'waiting'
     >>> shipment.click('assign_force')
     >>> shipment.state
-    u'assigned'
+    'assigned'
     >>> shipment.click('pack')
     >>> shipment.state
-    u'packed'
+    'packed'
     >>> shipment.click('done')
     >>> shipment.state
-    u'done'
+    'done'
 
 Check customer invoice::
 
@@ -221,7 +221,7 @@ Sale products with cost on order::
     >>> sale.click('confirm')
     >>> sale.click('process')
     >>> sale.state
-    u'processing'
+    'processing'
     >>> sale.untaxed_amount
     Decimal('69.00')
 

tox.ini

@@ -1,11 +1,11 @@
 [tox]
-envlist = {py27,py34,py35,py36}-{sqlite,postgresql},pypy-{sqlite,postgresql}
+envlist = {py34,py35,py36}-{sqlite,postgresql},pypy3-{sqlite,postgresql}
 
 [testenv]
 commands = {envpython} setup.py test
 deps =
-    {py27,py34,py35,py36}-postgresql: psycopg2 >= 2.5
-    pypy-postgresql: psycopg2cffi >= 2.5
+    {py34,py35,py36}-postgresql: psycopg2 >= 2.5
+    pypy3-postgresql: psycopg2cffi >= 2.5
     sqlite: sqlitebck
 setenv =
     sqlite: TRYTOND_DATABASE_URI={env:SQLITE_URI:sqlite://}