Drop Python 3.5, 3.6 and Django 2.1, 2.2, 3.0 and 3.1 support

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "pypy3"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "pypy3"]
         experimental: [false]
         include:
           - python-version: "3.10"

README.rst

@@ -22,7 +22,7 @@ And there is more to it:
 Requirements
 ++++++++++++
 
-Python 3.5+, Django 2.1+ and Redis 4.0+.
+Python 3.7+, Django 3.2+ and Redis 4.0+.
 
 
 Installation
@@ -807,6 +807,8 @@ Here come some performance tips to make cacheops and Django ORM faster.
 
    Caching querysets with large amount of filters also slows down all subsequent invalidation on that model. You can disable caching if more than some amount of fields is used in filter simultaneously.
 
+6. Split database queries into smaller ones when you cache them. This goes against usual approach, but this allows invalidation to be more granular: smaller parts will be invalidated independently and each part will invalidate more precisely. E.g. `Post.objects.filter(category__slug="foo")` and `Post.objects.filter(category=Category.objects.get(slug="foo"))`
+
 
 Writing a test
 --------------

setup.py

@@ -24,7 +24,7 @@
     ],
     python_requires='>=3.5',
     install_requires=[
-        'django>=2.1',
+        'django>=3.2',
         'redis>=3.0.0',
         'funcy>=1.8,<2.0',
     ],
@@ -33,18 +33,12 @@
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Framework :: Django',
-        'Framework :: Django :: 2.1',
-        'Framework :: Django :: 2.2',
-        'Framework :: Django :: 3.0',
-        'Framework :: Django :: 3.1',
         'Framework :: Django :: 3.2',
         'Framework :: Django :: 4.0',
         'Framework :: Django :: 4.1',

tox.ini

@@ -1,18 +1,14 @@
 [tox]
 envlist =
     lint,
-    py35-dj{21,22}
-    py36-dj{30,31},
-    py37-dj{30,31,32},
-    py{38,39}-dj{30,31,32,40},
+    py37-dj32,
+    py{38,39}-dj{32,40},
     py310-dj{32,40,41},
     py311-dj41,
-    pypy3-dj{30,31,32}
+    pypy3-dj{40,41}
 
 [gh-actions]
 python =
-    3.5: py35
-    3.6: py36
     3.7: py37
     3.8: py38
     3.9: py39
@@ -29,16 +25,12 @@ setenv =
     CPLUS_INCLUDE_PATH=/usr/include/gdal
     C_INCLUDE_PATH=/usr/include/gdal
 deps =
-    dj21: Django>=2.1,<2.2
-    dj22: Django>=2.2,<2.3
-    dj30: Django>=3.0,<3.1
-    dj31: Django>=3.1,<3.2
     dj32: Django>=3.2,<3.3
     dj40: Django>=4.0,<4.1
     dj41: Django>=4.1,<4.2
     djmaster: git+https://github.com/django/django
     mysqlclient
-    py{35,36,37,38,39,310,311}: psycopg2-binary
+    py{37,38,39,310,311}: psycopg2-binary
     ; gdal=={env:GDAL_VERSION:2.4}
     pypy3: psycopg2cffi>=2.7.6
     before_after==1.0.0