Drops Django 1.6 & Python 2.6 support.

benchmark.py

@@ -261,8 +261,7 @@ def create_data(using):
 
 
 if __name__ == '__main__':
-    if django.VERSION[:2] >= (1, 7):
-        django.setup()
+    django.setup()
 
     write_conditions()
 

cachalot/__init__.py

@@ -1,2 +1,4 @@
 __version__ = (1, 0, 0)
 version_string = '.'.join(str(n) for n in __version__)
+
+default_app_config = 'cachalot.apps.CachalotConfig'

cachalot/apps.py

@@ -0,0 +1,13 @@
+from django.apps import AppConfig
+
+from .monkey_patch import patch
+
+
+class CachalotConfig(AppConfig):
+    name = 'cachalot'
+    patched = False
+
+    def ready(self):
+        if not self.patched:
+            patch()
+            self.patched = True

cachalot/cache.py

@@ -3,8 +3,7 @@
 from __future__ import unicode_literals
 from threading import local
 
-# TODO: Replace with caches[CACHALOT_CACHE] when we drop Django 1.6 support.
-from django.core.cache import get_cache as get_django_cache
+from django.core.cache import caches
 from django.db import connections
 
 from .settings import cachalot_settings
@@ -31,7 +30,7 @@ class CacheHandler(local):
 
         min_level = -len(self.atomic_caches)
         if atomic_level < min_level:
-            return get_django_cache(cache_alias)
+            return caches[cache_alias]
         return self.get_atomic_cache(cache_alias, atomic_level)
 
     def enter_atomic(self):

cachalot/models.py

@@ -1,5 +0,0 @@
-from .monkey_patch import is_patched, patch
-
-
-if not is_patched():
-    patch()

cachalot/monkey_patch.py

@@ -5,17 +5,9 @@ from collections import Iterable
 from functools import wraps
 from time import time
 
-from django import VERSION as django_version
-from django.conf import settings
-if django_version >= (1, 7):
-    from django.db.backends.utils import CursorWrapper
-else:
-    from django.db.backends.util import CursorWrapper
+from django.db.backends.utils import CursorWrapper
 from django.db.models.query import EmptyResultSet
-if django_version >= (1, 7):
-    from django.db.models.signals import post_migrate
-else:
-    from django.db.models.signals import post_syncdb as post_migrate
+from django.db.models.signals import post_migrate
 from django.db.models.sql.compiler import (
     SQLCompiler, SQLInsertCompiler, SQLUpdateCompiler, SQLDeleteCompiler)
 from django.db.transaction import Atomic, get_connection
@@ -32,13 +24,6 @@ from .utils import (
 WRITE_COMPILERS = (SQLInsertCompiler, SQLUpdateCompiler, SQLDeleteCompiler)
 
 
-PATCHED = False
-
-
-def is_patched():
-    return PATCHED
-
-
 def _unset_raw_connection(original):
     def inner(compiler, *args, **kwargs):
         compiler.connection.raw = False
@@ -178,21 +163,14 @@ def _patch_tests():
 
 
 def _invalidate_on_migration(sender, **kwargs):
-    db_alias = kwargs['using'] if django_version >= (1, 7) else kwargs['db']
+    db_alias = kwargs['using']
     invalidate_all(db_alias=db_alias)
 
 
 def patch():
-    global PATCHED
-
     post_migrate.connect(_invalidate_on_migration)
-    if 'south' in settings.INSTALLED_APPS:
-        from south.signals import post_migrate as south_post_migrate
-        south_post_migrate.connect(_invalidate_on_migration)
 
     _patch_cursor()
     _patch_tests()
     _patch_atomic()
     _patch_orm()
-
-    PATCHED = True

cachalot/tests/api.py

@@ -1,10 +1,7 @@
 # coding: utf-8
 
 from __future__ import unicode_literals
-try:
-    from unittest import skipIf
-except ImportError:  # For Python 2.6
-    from unittest2 import skipIf
+from unittest import skipIf
 
 from django.conf import settings
 from django.contrib.auth.models import User

cachalot/tests/multi_db.py

@@ -1,10 +1,7 @@
 # coding: utf-8
 
 from __future__ import unicode_literals
-try:
-    from unittest import skipIf
-except ImportError:  # For Python 2.6
-    from unittest2 import skipIf
+from unittest import skipIf
 
 from django.conf import settings
 from django.db import DEFAULT_DB_ALIAS, connections

cachalot/tests/settings.py

@@ -1,10 +1,7 @@
 # coding: utf-8
 
 from __future__ import unicode_literals
-try:
-    from unittest import skipIf
-except ImportError:  # For Python 2.6
-    from unittest2 import skipIf
+from unittest import skipIf
 
 from django.conf import settings
 from django.core.cache import DEFAULT_CACHE_ALIAS

cachalot/tests/write.py

@@ -1,12 +1,7 @@
 # coding: utf-8
 
 from __future__ import unicode_literals
-try:
-    from unittest import skipIf
-except ImportError:  # For Python 2.6
-    from unittest2 import skipIf
 
-from django import VERSION as django_version
 from django.contrib.auth.models import User, Permission, Group
 from django.core.exceptions import MultipleObjectsReturned
 from django.core.management import call_command
@@ -79,8 +74,6 @@ class WriteTestCase(TransactionTestCase):
             data2 = list(Test.objects.all())
         self.assertListEqual(data2, [t])
 
-    @skipIf(django_version < (1, 7),
-            'QuerySet.update_or_create is not implemented in Django < 1.7')
     def test_update_or_create(self):
         with self.assertNumQueries(1):
             self.assertListEqual(list(Test.objects.all()), [])
@@ -821,7 +814,7 @@ class DatabaseCommandTestCase(TransactionTestCase):
 
         call_command('flush', verbosity=0, interactive=False)
 
-        if django_version >= (1, 7) and connection.vendor == 'mysql':
+        if connection.vendor == 'mysql':
             # We need to reopen the connection or Django
             # will execute an extra SQL request below.
             connection.cursor()
@@ -836,7 +829,7 @@ class DatabaseCommandTestCase(TransactionTestCase):
         call_command('loaddata', 'cachalot/tests/loaddata_fixture.json',
                      verbosity=0, interactive=False)
 
-        if django_version >= (1, 7) and connection.vendor == 'mysql':
+        if connection.vendor == 'mysql':
             # We need to reopen the connection or Django
             # will execute an extra SQL request below.
             connection.cursor()

cachalot/utils.py

@@ -4,14 +4,9 @@ from __future__ import unicode_literals
 from hashlib import sha1
 from time import time
 
-import django
 from django.db import connections
 from django.db.models.sql.where import ExtraWhere, SubqueryConstraint
-DJANGO_GTE_1_7 = django.VERSION[:2] >= (1, 7)
-if DJANGO_GTE_1_7:
-    from django.utils.module_loading import import_string
-else:
-    from django.utils.module_loading import import_by_path as import_string
+from django.utils.module_loading import import_string
 from django.utils.six import PY3
 
 from .settings import cachalot_settings
@@ -87,9 +82,8 @@ def _find_subqueries(children):
             yield child.query_object.query
         else:
             rhs = None
-            if DJANGO_GTE_1_7:
-                if hasattr(child, 'rhs'):
-                    rhs = child.rhs
+            if hasattr(child, 'rhs'):
+                rhs = child.rhs
             elif isinstance(child, tuple):
                 rhs = child[-1]
             if hasattr(rhs, 'query'):

docs/quickstart.rst

@@ -4,16 +4,14 @@ Quick start
 Requirements
 ............
 
-- Django 1.6 or 1.7
-- Python 2.6, 2.7, 3.2, 3.3, or 3.4
+- Django 1.7 or 1.8
+- Python 2.7, 3.2, 3.3, or 3.4
 - a cache configured as ``'default'`` with one of these backends:
 
   - `django-redis <https://github.com/niwibe/django-redis>`_
   - `memcached <https://docs.djangoproject.com/en/1.7/topics/cache/#memcached>`_
-    (using either python-memcached or pylibmc (but pylibmc is only supported
-    with Django >= 1.7))
+    (using either python-memcached or pylibmc)
   - `filebased <https://docs.djangoproject.com/en/1.7/topics/cache/#filesystem-caching>`_
-    (only with Django >= 1.7 as it was not thread-safe before)
   - `locmem <https://docs.djangoproject.com/en/1.7/topics/cache/#local-memory-caching>`_
     (but it’s not shared between processes, see :ref:`Limits`)
 

requirements.txt

@@ -1 +1 @@
-Django>=1.6
+Django>=1.7

runtests.py

@@ -9,8 +9,7 @@ import django
 
 if __name__ == '__main__':
     os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'settings')
-    if django.VERSION[:2] >= (1, 7):
-        django.setup()
+    django.setup()
     from django.test.runner import DiscoverRunner
     test_runner = DiscoverRunner(verbosity=2)
     failures = test_runner.run_tests(['cachalot.tests'])

runtests_requirements_py2.txt

@@ -5,6 +5,3 @@ MySQL-python
 django-redis
 python-memcached
 pylibmc
-South
-# For Python 2.6
-unittest2

runtests_requirements_py3.txt

@@ -4,4 +4,3 @@ psycopg2
 https://github.com/clelland/MySQL-for-Python-3/tarball/master
 django-redis
 python3-memcached
-South

settings.py

@@ -3,8 +3,6 @@
 from __future__ import unicode_literals
 import os
 
-import django
-
 
 DATABASES = {
     'sqlite3': {
@@ -26,26 +24,12 @@ DATABASES = {
 }
 for alias in DATABASES:
     test_db_name = 'test_' + DATABASES[alias]['NAME']
-    if django.VERSION < (1, 7):
-        DATABASES[alias]['TEST_NAME'] = test_db_name
-    else:
-        DATABASES[alias]['TEST'] = {'NAME': test_db_name}
+    DATABASES[alias]['TEST'] = {'NAME': test_db_name}
 
 DATABASES['default'] = DATABASES.pop(os.environ.get('DB_ENGINE', 'sqlite3'))
 
 
 CACHES = {
-    'locmem': {
-        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
-        'OPTIONS': {
-            # We want that limit to be infinite, otherwise we can’t
-            # reliably count the number of SQL queries executed in tests.
-
-            # In this context, 10e9 is enough to be considered
-            # infinite.
-            'MAX_ENTRIES': 10e9,
-        }
-    },
     'redis': {
         'BACKEND': 'django_redis.cache.RedisCache',
         'LOCATION': 'redis://127.0.0.1:6379/0',
@@ -60,24 +44,35 @@ CACHES = {
         'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
         'LOCATION': '127.0.0.1:11211',
     },
-}
-if django.VERSION >= (1, 7):
-    CACHES['filebased'] = {
+    'locmem': {
+        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
+        'OPTIONS': {
+            # We want that limit to be infinite, otherwise we can’t
+            # reliably count the number of SQL queries executed in tests.
+
+            # In this context, 10e9 is enough to be considered
+            # infinite.
+            'MAX_ENTRIES': 10e9,
+        }
+    },
+    'filebased': {
         'BACKEND': 'django.core.cache.backends.filebased.FileBasedCache',
         'LOCATION': '/tmp/django_cache',
         'OPTIONS': {
             'MAX_ENTRIES': 10e9,  # (See locmem)
         }
     }
-    try:
-        import pylibmc
-    except ImportError:
-        pass
-    else:
-        CACHES['pylibmc'] = {
-            'BACKEND': 'django.core.cache.backends.memcached.PyLibMCCache',
-            'LOCATION': '127.0.0.1:11211',
-        }
+}
+
+try:
+    import pylibmc
+except ImportError:
+    pass
+else:
+    CACHES['pylibmc'] = {
+        'BACKEND': 'django.core.cache.backends.memcached.PyLibMCCache',
+        'LOCATION': '127.0.0.1:11211',
+    }
 
 DEFAULT_CACHE_ALIAS = os.environ.get('CACHE_BACKEND', 'locmem')
 CACHES['default'] = CACHES.pop(DEFAULT_CACHE_ALIAS)
@@ -92,8 +87,6 @@ INSTALLED_APPS = [
     'django.contrib.auth',
     'django.contrib.contenttypes',
 ]
-if django.VERSION < (1, 7):
-    INSTALLED_APPS.append('south')
 
 
 MIGRATION_MODULES = {

setup.py

@@ -27,7 +27,6 @@ setup(
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.2',