django-cacheops

• made it work with Redis 6.x and older again
• handle abstract models better
• some docs improvements

• support Django 4.2b and 5.0a
• added a new insideout mode
• made join invalidation more granular Backwards incompatible changes:
• dropped Python 3.5, 3.6 and Django 2.1, 2.2, 3.0 and 3.1 support
• removed CACHEOPS_LRU
• removed CacheopsRedis, should inherit redis.Redis instead

• support Python 3.11 and Django 4.1
• added command to clear stale cacheops keys (Bruno Alla)
• fixed invalidate_m2o for polymorphic models (#430) (Andrey Alekseev)
• updated README: TOC, link to the post, some explanations

• support Django 3.2 and 4.0 (thx to Olivér Kecskeméty)
• do not gulp commit errors (Oleg Yamnikov)
• fixed precall key when a prefix is defined (Peter Baumgartner)
• fixed m2o/m2m queries invalidation on object deletion (thx to Sergey Tikhonov)

• support and test against Python 3.9 and Django 3.1/3.2
• added custom serializers support (thx to Arcady Usov)
• support callable extra in @cached_as() and friends
• made simple cache obey prefix
• skip JSONFields for purposes of invalidation
• configure skipped fields by internal types, classes still supported
• handle DatabaseError on transaction cleanup (Roman Gorbil)
• do not query old object if cacheops is disabled
• do not fetch deferred fields during invalidation, fixes #387 Backwards incompatible changes:
• callable extra param, including type, now behaves differently
• simple cache now uses prefix

• support subqueries in annotations (Jeremy Stretch)
• included tests into distro (John Vandenberg)
• fixed .invalidated_update(), if updated QuerySet had related fields selected (M1hacka)
• fixed possible deadlock in .invalidated_update() (M1hacka)
• fixed filtering with expressions
• fixed queries filtering in Exists (thx to Axel Wegener)
• updated min redis-py to 3.0.0

• fixed reverse o2o invalidation (thx to John Anderson)
• fixed unstable cache key when field validors are used
• guard against non-integer timeouts

• support Python 3.8 and Django 3.0 (thx to Misha Kalyna)
• improve model fields stamping (Alex Lokhman)
• disabled postponed invalidation when no_invalidation is applied (Vladimir)
• fixed custom manager derived from BaseManager (Eric Plaster) Backwards incompatible changes:
• dropped Python 2.7 and Djangos before 2.1
• Redis 4.0+ required

• support Django 2.1 and 2.2
• added keep_fresh option to @cached_as (George Lee)
• pass CACHEOPS_SENTINEL options through (David Fuentes Baldomir)
• made SKIP_FIELDS and LONG_DISJUCTION configurable (Nic Wolff)
• fixed .aggregate() over .annotate() fields in Django 2.2
• fixed .bulk_create() in Django 2.2 (Grzegorz Szczepanczyk)
• fixed test database to work in environments without /dev/shm (George Lee)
• fixed proxy/abstract model bug
• added test case for issue #312 (Andy Tzeng)
• some warnings and doc-strings improvements

• use UNLINK instead of DEL when available, use Redis 4.0+ for that
• request m2m objects for invalidation using correct db
• fixed caching counts, aggregates and exists in writes, dirty transactions and while cacheops is disabled
• fixed various multidb/invalidation issues (Svan70)
• fixed db in .invalidated_update()
• fixed possible key disrepancy in cache_on_save with multidb
• fixed jinja2 support in Python 3
• documented CACHEOPS_CLIENT_CLASS

• fixed RawSQL() and Subquery() (thx to thakryptex)
• made the Redis client class configurable (Nic Wolff)
• package is now also distributed as a universal wheel (Jon Dufresne)

• fixed m2m invalidation issue with certain configs
• fixed catastrophic backtracking in template extensions

• fixed db selection in invalidation fetch and .invalidated_update() when router fails (M1ha Shvn)
• fixed unlickely "_clone() unexpected keyword '_cacheprofile'" error
• fixed LookupError bug
• fixed .meta.concrete_model not set bug
• fixed docs on template tags

• fixed caching while app registry not ready
• fixed random ordered dicts producing varying SQL for same query

• configure via Sentinel (Tapo4ek)

• fixed caching django migrations

• do not prevent fast path deletes on not cached models
• minor optimization

• added cache key prefix function
• added .aggregate() caching
• support QuerySet.union() and friends
• added cache_invalidated signal (thx to Kimmo Kiiski)
• cache .first() and .last() on 'get' op
• correctly skip or show nice error message on non-django models/managers
• allow cleaning file cache in non default place
• cache keys no longer change on fields reorder
• fixed .invalidated_update() on updated object versions
• fixed template tags in Django 2.0
• fixed deprecation warnings in Python 3
• use module global CACHEOPS_DEBUG to cache evolving code
• minor optimizations Backwards incompatible changes:
• dropped Django 1.7 support
• dropped write_only flag
• dropped implicit write_only in .get_or_create(), .select_for_update() and friends
• .iterator() is never cached now
• invalidate_all() works immediately even in transaction
• @cached_as(timeout=0) no longer means timeout is ignored/derived from querysets, use timeout=None instead.

• fixed CACHEOPS_DEGRADE_ON_FAILURE=True

• support Django 1.11
• support Python 3.6
• preliminary support for Django 2.0
• support multidb nested transactions
• fixed pk with default (leonardo orozco)

• better dirty sql heuristic
• fixed on commit sequence issue (thx to Irae Hueck Costa)
• fixed dup field__eq queries (Michał Ochman)

• fixed querysets with custom .iterator() (like django-polymorphic)
• support no argument @cached_view
• check that sample is passed into @cached_as()

• fixed unexpected dirty transaction
• fixed a bug with destroying manager
• fixed CACHEOPS setting and upper-case app labels

• added locking to combat dog-pile effect
• handle transactions smarter (ihucos)
• handle functions in @cached_as() and @cached() args
• do not allow unknown kwargs in @cached_as()

• support Django 1.10 (worked before, but now it's official)
• accept empty CACHEOPS_REDIS setting
• fixed ImportError in cleanfilecache command (Roman)

• support PyPy
• support Python 3.5
• support Django 1.9
• added transparent transaction handling (Joel Hillacre)
• added .invalidated_update()
• added cache_read signal (Joona Pääkkönen)
• added CACHEOPS_ENABLED setting
• invalidate on intermediate tables in long joins
• support settings override
• made CACHEOPS keys case insensitive
• allow redis connection settings to be specified by a URL (Tim Savage)
• fixed router support
• fixed clone cache settings affecting original queryset
• more fixes for non-ascii in str params
• calc func cache keys smarter
• no_invalidation optimizations Backwards incompatible changes:
• Django 1.6 and earlier no longer supported
• dropped old CACHEOPS setting format
• removed CACHEOPS_FAKE setting
• removed .cached_call() from basic and file caches
• disabled cacheops for fake migration models

• backport: disabled cacheops for fake migration models
• disabled cacheops for south models
• fixed get_queryset() on custom qs rename bug

• fixed .get() on reverse fk related manager
• fixed memory leak on migrations

• fixed .values() and .values_list() in Django 1.9
• stopped sharing cache between proxies and base

• export FileCache and RedisCache from cacheops
• allow non-ascii in str params
• fixed subqueries with different db

• added @decorator_tag to easily create cached template tags
• create redis client lazily
• let invalidate @cached_view()
• support template responses used by generic CBV
• support argumentless no parentheses form for @cached and @cached_view
• removed unneeded invalidation calls in .bulk_create()
• allow decorating built-in and external functions
• added .cached_call() to simple and file cache
• added key_func argument to @cached_as()
• check that timeout is specified in CACHEOPS setting
• fixed m2m invalidation on reverse changes
• fixed passing kwargs in @cached_as()
• fixed @cached with no parentheses
• fixed .bulk_create() API in Django 1.4

• made cacheops invalidate before other post_* signals (Emil Stenström)
• fixed invalidation on proxy/base model changes
• added no_invalidation to fake cacheops
• test against MySQL

• updated support for Django 1.8 (Andriy Sokolovskiy)
• fixed bulk_create() to return objects instead of None (Ilya Baryshev)

• Django 1.8 support and preliminary Django 1.9 support
• made 'ops' config option to accept single string
• added invalidate_fragment()
• added a way to get/set/delete function cache easily
• added redis.TimeoutError to degradation handling (George Kappel)
• fixed invalidation on QuerySet.bulk_create(), worked only from Manager previously
• fixed .bulk_create() API to comply with Django
• minor optimizations

• fixed thread local error
• fixed ops = 'all' both in config and .cache()

• switched to new CACHEOPS setting style
• added CACHEOPS_DEFAULTS setting
• work as LRU cache
• cache .exists() calls in Django 1.6+
• invalidate on .bulk_create()
• added no_invalidation context manager/decorator
• documented local_get and cache_on_save
• fixed saving objects with F-expression fields (Fedor Nasyrov)
• fixed queries with Django 1.7 transforms
• fixed binary fields in python 3
• stopped using simplejson
• simpler queryset key calculation, third party fields should be more compatible now
• removed bogus clone param from .nocache() call

• fixed bug in m2m invalidation
• fixed bug with null geometry fields
• fixed unpickling objects with BinaryFields

• support Django 1.7
• do not fetch from cache when doing .select_for_update() and similar, but do write to cache if it's enabled
• fixed inherited models exception in admin, multi-table models are still not really supported!
• fixed fake cacheops
• fixed deprecation warning in Django 1.6 admin

• conditions on related models will now invalidate queryset
• m2m invalidation is much more granular
• removed requirement that timeout should not be greater than default
• lua scripting is used to save and invalidate cache, making things faster
• better invalidation for complex and custom fields
• silent stringify of unknown objects by default
• support caching django.contrib.gis queries (koodjo)
• cacheops is now thread-safe
• added a way to no-op cacheops
• added @cached_view() and @cached_view_as()
• pass several samples for @cached_as() and @cached_view_as()
• fixed working with querysets created by non-patched constructor (#3 and dups)
• fixed invalidate_model() for proxy models
• fixed deepcopy(queryset) bug
• fixed possible collisions when cached functions passed complex structured arguments
• fixed StringifyError on timedelta (mpyatishev) Backwards incompatible changes:
• filters on TextFields no longer affect invalidation
• @cached_as() cache key will now depend on function arguments
• @cached_as() and @cached() will now depend on function line in a code, permitting usage of lambdas and same named methods without passing extra
• @cached_as() and @cached() will now take timeout as first argument and extra as second. Anyway using them as keyword arguments is recommended
• Django 1.2 no longer supported
• Redis 2.6+ is required

• fixed bug with negating "some"-conditions
• fixed bug with schemes unsync when invalidating model Backwards incompatible changes:
• reverted .cache(write_only=...) behaviour to enable caching for all ops
• .cache(timeout=...) call will enable caching for all ops

• support generic relations (erthalion)
• support filtering by time equality
• optimizations for python 3 Backwards incompatible changes:
• .cache(write_only=...) doesn't enable caching for all ops anymore (not really intended)

• set six minimum version right (crazyzubr)

• Python 3 support

• fixed Django 1.5- compatibility (aykutozat)

• Django 1.6+ support
• added Django template tags
• fixed caching querysets combined with | and & operators

• added db_agnostic option to cache profile
• partial support for Django 1.6+

• fixed cached_on_save
• fixed .inplace() altering cache key

• .delete() method for simple cache
• .invalidate() method for @cached() and file_cache.cached() functions

• defend against model changes corrupting cache (ttyS15)
• support F-expressions (Yuego)
• fixed local_get with unhashable arg TypeError
• fixed caching of raw queries (Yuego)

• fixed file cache md5 reference

• support isnull lookup for better invalidation
• fixed 'Query' has no len()
• dumped django.utils.hashcompat in favor of hashlib

• support for flex models
• support @cached_as(SomeModel)
• file cache default dir changed to /tmp/cacheops_file_cache
• better support for tuples in extra param in @cached and jinja2 tags

• support gracefull degradation on redis fail (Beres Botond)

• support for proxy models

• fixed occasional redis 100% cpu use (tumb1er)

• invalidate and cleanfilecache commands added to dist
• django 1.5 compatability (jhpinson)

• compatability with latest redis-py
• many other bug fixes
• minor optimizations
• better docs, including PERFORMANCE section

... lost in ancient history ...