Drop Python 2 code and avoid deprecated code

django_mock_queries/asserts.py

@@ -1,7 +1,4 @@
-try:
-    from unittest.mock import patch, Mock
-except ImportError:
-    from mock import patch, Mock
+from unittest.mock import patch, Mock
 
 from model_bakery import baker
 

django_mock_queries/mocks.py

@@ -9,10 +9,7 @@
 from django.db.utils import ConnectionHandler, NotSupportedError
 from functools import partial
 from itertools import chain
-try:
-    from unittest.mock import Mock, MagicMock, patch, PropertyMock
-except ImportError:
-    from mock import Mock, MagicMock, patch, PropertyMock
+from unittest.mock import Mock, MagicMock, patch, PropertyMock
 
 from types import MethodType
 
@@ -107,7 +104,7 @@ def compiler(queryset, connection, using, **kwargs):
     Model.refresh_from_db = Mock()  # Make this into a noop.
 
 
-class MockMap(object):
+class MockMap:
     def __init__(self, original):
         """ Wrap a mock mapping around the original one-to-many relation. """
         self.map = {}
@@ -254,7 +251,7 @@ def test_dataset(self):
     return PatcherChain(patchers, pass_mocks=False)
 
 
-class PatcherChain(object):
+class PatcherChain:
     """ Chain a list of mock patchers into one.
 
     The resulting patcher can be used just like one from the mock module:
@@ -328,7 +325,7 @@ def stop(self):
             patcher.stop()
 
 
-class Mocker(object):
+class Mocker:
     """
     A decorator that patches multiple class methods with a magic mock instance that does nothing.
     """

django_mock_queries/query.py

@@ -1,11 +1,7 @@
 import datetime
 import random
 from collections import OrderedDict, namedtuple
-from six import with_metaclass
-try:
-    from unittest.mock import Mock, MagicMock, PropertyMock
-except ImportError:
-    from mock import Mock, MagicMock, PropertyMock
+from unittest.mock import Mock, MagicMock, PropertyMock
 
 from .constants import *
 from .exceptions import *
@@ -21,7 +17,7 @@ def __call__(cls, *initial_items, **kwargs):
         return obj
 
 
-class MockSet(with_metaclass(MockSetMeta, MagicMock)):
+class MockSet(MagicMock, metaclass=MockSetMeta):
     EVENT_ADDED = 'added'
     EVENT_UPDATED = 'updated'
     EVENT_SAVED = 'saved'
@@ -472,7 +468,7 @@ def create_model(*fields):
     return MockModel(**{f: None for f in fields})
 
 
-class MockOptions(object):
+class MockOptions:
     def __init__(self, *field_names):
         self.load_fields(*field_names)
         self.get_latest_by = None
@@ -494,7 +490,7 @@ def load_fields(self, *field_names):
                 self.__dict__[key].append(obj)
 
 
-class MockField(object):
+class MockField:
     def __init__(self, field):
         for key in ('name', 'attname'):
             self.__dict__[key] = field

django_mock_queries/utils.py

@@ -1,9 +1,6 @@
 from datetime import datetime, date
 from django.core.exceptions import FieldError
-try:
-    from unittest.mock import Mock
-except ImportError:
-    from mock import Mock
+from unittest.mock import Mock
 
 from .comparisons import *
 from .constants import *

examples/users/analytics/api.py

@@ -3,7 +3,7 @@
 from django.db.models import Count
 
 
-class AnalyticsApi(object):
+class AnalyticsApi:
     def active_users(self):
         return User.objects.filter(is_active=True).all()
 

requirements/core.txt

@@ -1,5 +1,3 @@
-mock; python_version < '3.3'
 Django
 djangorestframework
-model-bakery~=1.1.0; python_version < '3'
-model-bakery>=1.0.0,<1.4.0; python_version >= '3'
+model-bakery>=1.0.0

requirements/dev.txt

@@ -9,5 +9,3 @@ virtualenv==14.0.6
 pypandoc==1.4
 setuptools==39.2.0
 twine==1.11.0
-more-itertools<6.0.0; python_version < '3'
-configparser<5.0.0; python_version < '3'

setup.py

@@ -32,13 +32,7 @@ def parse_requirements(filename):
         'Topic :: Software Development :: Testing :: Unit',
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3 :: Only',
     ],
     keywords='django orm mocking unit-testing tdd',
     packages=['django_mock_queries'],

tests/test_asserts.py

@@ -1,10 +1,7 @@
-try:
-    from unittest.mock import patch
-except ImportError:
-    from mock import patch
+from unittest import TestCase, skipIf
+from unittest.mock import patch
 
 from model_bakery import baker
-from unittest import TestCase, skipIf
 
 import django
 from django_mock_queries.asserts import assert_serializer, SerializerAssert

tests/test_mocks.py

@@ -1,35 +1,29 @@
-import sys
+from unittest import TestCase
+from unittest.mock import patch, MagicMock, PropertyMock
+
 import django
 from django.db import connection
 from django.db.utils import NotSupportedError
 from django.db.backends.base.creation import BaseDatabaseCreation
-try:
-    from unittest.mock import patch, MagicMock, PropertyMock
-except ImportError:
-    from mock import patch, MagicMock, PropertyMock
-
-from unittest import TestCase
 
 from django_mock_queries import mocks
 from django_mock_queries.mocks import monkey_patch_test_db, mock_django_connection, \
     MockOneToOneMap, MockOneToManyMap, PatcherChain, mocked_relations, ModelMocker, Mocker
 from django_mock_queries.query import MockSet
 from tests.mock_models import Car, Sedan, Manufacturer, CarVariation
 
-BUILTINS = 'builtins' if sys.version_info[0] >= 3 else '__builtin__'
-
 
 class TestMocks(TestCase):
     def test_mock_sql_raises_error(self):
         """ Get a clear error if you forget to mock a database query. """
-        with self.assertRaisesRegexp(
+        with self.assertRaisesRegex(
                 NotSupportedError,
                 "Mock database tried to execute SQL for Car model."):
             Car.objects.count()
 
     def test_exists_raises_error(self):
         """ Get a clear error if you forget to mock a database query. """
-        with self.assertRaisesRegexp(
+        with self.assertRaisesRegex(
                 NotSupportedError,
                 "Mock database tried to execute SQL for Car model."):
             Car.objects.exists()
@@ -111,7 +105,7 @@ class MockOneToManyTests(TestCase):
     def test_not_mocked(self):
         m = Manufacturer()
 
-        with self.assertRaisesRegexp(
+        with self.assertRaisesRegex(
                 NotSupportedError,
                 'Mock database tried to execute SQL for Car model'):
             m.car_set.count()
@@ -123,7 +117,7 @@ def test_mock_is_removed(self):
             m.car_set = MockSet(Car(speed=95))
             self.assertEqual(1, m.car_set.count())
 
-        with self.assertRaisesRegexp(
+        with self.assertRaisesRegex(
                 NotSupportedError,
                 'Mock database tried to execute SQL for Car model'):
             m.car_set.count()
@@ -189,8 +183,8 @@ def zero_sum(items):
 
 
 class PatcherChainTest(TestCase):
-    patch_mock_max = patch(BUILTINS + '.max')
-    patch_zero_sum = patch(BUILTINS + '.sum', zero_sum)
+    patch_mock_max = patch('builtins.max')
+    patch_zero_sum = patch('builtins.sum', zero_sum)
 
     @patch_zero_sum
     def test_patch_dummy(self):
@@ -255,7 +249,7 @@ def test_start(self):
         self.assertIs(zero_sum, mocked[1])
 
 
-@PatcherChain([patch(BUILTINS + '.max'), patch(BUILTINS + '.sum', zero_sum)],
+@PatcherChain([patch('builtins.max'), patch('builtins.sum', zero_sum)],
               pass_mocks=False)
 class PatcherChainOnClassTest(TestCase):
     test_example_attribute = 42

tests/test_query.py

@@ -1,12 +1,7 @@
 import datetime
 import warnings
-
-try:
-    from unittest.mock import MagicMock
-except ImportError:
-    from mock import MagicMock
-
 from unittest import TestCase
+from unittest.mock import MagicMock
 
 from django.core.exceptions import FieldError
 from django.core.paginator import Paginator
@@ -196,7 +191,7 @@ def test_query_filters_model_objects_by_bad_field(self):
         item_2.sedan = item_2
 
         self.mock_set.add(item_1, item_2, item_3)
-        with self.assertRaisesRegexp(
+        with self.assertRaisesRegex(
                 FieldError,
                 r"Cannot resolve keyword 'bad_field' into field\. "
                 r"Choices are 'id', 'make', 'make_id', 'model', 'passengers', 'sedan', 'speed', 'variations'\."):

tests/test_utils.py

@@ -1,10 +1,6 @@
 from datetime import date, datetime
-try:
-    from unittest.mock import patch, MagicMock
-except ImportError:
-    from mock import patch, MagicMock
-
 from unittest import TestCase
+from unittest.mock import patch, MagicMock
 
 from django_mock_queries import utils, constants
 

tox.ini

@@ -1,16 +1,17 @@
 [tox]
 # See https://docs.djangoproject.com/en/2.0/faq/install/#what-python-version-can-i-use-with-django
 envlist =
-    py{27}-dj{19,110}-drf33
-    py{27,35,36,37}-dj{111}-drf{37,39}
-    py{35,36,37}-dj{20,21,22}-drf{37,39}
+    py{36,37}-dj{111}-drf{37,39}
+    py{36,37}-dj{20,21,22}-drf{37,39}
     py{36,37}-dj{30}-drf{310}
 requires = virtualenv >= 20.0
 
 [pytest]
 norecursedirs = examples
-flake8-ignore = *.py F403 F405 E731
-flake8-max-line-length = 120
+
+[flake8]
+ignore = *.py F403 F405 E731
+max-line-length = 120
 
 [testenv]
 download = true
@@ -19,8 +20,6 @@ setenv =
     VIRTUALENV_DOWNLOAD=1
 deps =
     -rrequirements/dev.txt
-    dj19: Django~=1.9.12
-    dj110: Django~=1.10.5
     dj111: Django~=1.11.17
     dj20: Django~=2.0.2
     dj21: Django~=2.1.0
@@ -32,8 +31,9 @@ deps =
     drf310: djangorestframework~=3.10.3
 
 commands =
-    py.test django_mock_queries/ tests/ --cov-report term-missing --cov=django_mock_queries --flake8
+    pytest django_mock_queries/ tests/ --cov-report term-missing --cov=django_mock_queries
     python -c "import subprocess; subprocess.check_call(['./manage.py', 'test', '--settings=users.settings_mocked'], cwd='examples/users')"
     python -c "import subprocess; subprocess.check_call(['./manage.py', 'test'], cwd='examples/users')"
     python -c "import subprocess; subprocess.check_call(['pytest', '--ds=users.settings_mocked'], cwd='examples/users')"
     python -c "import subprocess; subprocess.check_call(['pytest'], cwd='examples/users')"
+    flake8 django_mock_queries/ tests/