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django1/django/core/cache/backends/dummy.py

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Refactored cache from django/core/cache.py into django/core/cache package, with each backend getting a separate module. This keeps things cleaner and uses less memory, because the backend module is only loaded if it's needed. git-svn-id: http://code.djangoproject.com/svn/django/trunk@2378 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2006-02-24 14:07:01 +08:00
"Dummy cache backend"
Sorted imports with isort; refs #23860.
2015-01-28 20:35:27 +08:00
from django.core.cache.backends.base import DEFAULT_TIMEOUT, BaseCache
Refactored cache from django/core/cache.py into django/core/cache package, with each backend getting a separate module. This keeps things cleaner and uses less memory, because the backend module is only loaded if it's needed. git-svn-id: http://code.djangoproject.com/svn/django/trunk@2378 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2006-02-24 14:07:01 +08:00
More attacking E302 violators
2013-11-03 04:12:09 +08:00
Fixed #11675 -- Added support for the PyLibMC cache library. In order to support this, and clean up some other 1.3 caching additions, this patch also includes some changes to the way caches are defined. This means you can now have multiple caches, in the same way you have multiple databases. A huge thanks to Jacob Burch for the work on the PyLibMC backend, and to Jannis for his work on the cache definition changes. git-svn-id: http://code.djangoproject.com/svn/django/trunk@15005 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2010-12-21 23:19:19 +08:00
class DummyCache(BaseCache):
Fixed #13795 -- Added a site-wide cache prefix and cache versioning. Thanks to bruth for the patch. git-svn-id: http://code.djangoproject.com/svn/django/trunk@14623 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2010-11-19 23:39:35 +08:00
def __init__(self, host, *args, **kwargs):
Refs #23919 -- Replaced super() calls for old-style classes.
2017-12-07 22:10:32 +08:00
super().__init__(*args, **kwargs)
Refactored cache from django/core/cache.py into django/core/cache package, with each backend getting a separate module. This keeps things cleaner and uses less memory, because the backend module is only loaded if it's needed. git-svn-id: http://code.djangoproject.com/svn/django/trunk@2378 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2006-02-24 14:07:01 +08:00
Fixed #9595 -- Allow non-expiring cache timeouts. Also, streamline the use of 0 and None between cache backends.
2013-05-18 18:54:59 +08:00
def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
Fixed #33060 -- Added BaseCache.make_and_validate_key() hook. This helper function reduces the amount of duplicated code and makes it easier to ensure that we always validate the keys.
2021-08-26 21:00:05 +08:00
self.make_and_validate_key(key, version=version)
Added a return value to the add() method for caches. It's now possible to tell if a call to add() ended up storing something in the cache. git-svn-id: http://code.djangoproject.com/svn/django/trunk@8278 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2008-08-10 11:52:21 +08:00
return True
Fixed #4831 -- Added an "add" cache key method, for parity with memcached's API. This works for all cache backends. Patch from Matt McClanahan. git-svn-id: http://code.djangoproject.com/svn/django/trunk@6572 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2007-10-20 23:16:34 +08:00
Fixed #13795 -- Added a site-wide cache prefix and cache versioning. Thanks to bruth for the patch. git-svn-id: http://code.djangoproject.com/svn/django/trunk@14623 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2010-11-19 23:39:35 +08:00
def get(self, key, default=None, version=None):
Fixed #33060 -- Added BaseCache.make_and_validate_key() hook. This helper function reduces the amount of duplicated code and makes it easier to ensure that we always validate the keys.
2021-08-26 21:00:05 +08:00
self.make_and_validate_key(key, version=version)
Fixed #3290: DummyCache now conforms to the BaseCache interface correctly. Thanks, Ned Batchelder. git-svn-id: http://code.djangoproject.com/svn/django/trunk@4308 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2007-01-12 23:16:55 +08:00
return default
Refactored cache from django/core/cache.py into django/core/cache package, with each backend getting a separate module. This keeps things cleaner and uses less memory, because the backend module is only loaded if it's needed. git-svn-id: http://code.djangoproject.com/svn/django/trunk@2378 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2006-02-24 14:07:01 +08:00
Fixed #9595 -- Allow non-expiring cache timeouts. Also, streamline the use of 0 and None between cache backends.
2013-05-18 18:54:59 +08:00
def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None):
Fixed #33060 -- Added BaseCache.make_and_validate_key() hook. This helper function reduces the amount of duplicated code and makes it easier to ensure that we always validate the keys.
2021-08-26 21:00:05 +08:00
self.make_and_validate_key(key, version=version)
Refactored cache from django/core/cache.py into django/core/cache package, with each backend getting a separate module. This keeps things cleaner and uses less memory, because the backend module is only loaded if it's needed. git-svn-id: http://code.djangoproject.com/svn/django/trunk@2378 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2006-02-24 14:07:01 +08:00
Fixed #27480 -- Added cache.touch().
2018-04-28 05:48:35 +08:00
def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None):
Fixed #33060 -- Added BaseCache.make_and_validate_key() hook. This helper function reduces the amount of duplicated code and makes it easier to ensure that we always validate the keys.
2021-08-26 21:00:05 +08:00
self.make_and_validate_key(key, version=version)
Fixed #27480 -- Added cache.touch().
2018-04-28 05:48:35 +08:00
return False
Fixed #13795 -- Added a site-wide cache prefix and cache versioning. Thanks to bruth for the patch. git-svn-id: http://code.djangoproject.com/svn/django/trunk@14623 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2010-11-19 23:39:35 +08:00
def delete(self, key, version=None):
Fixed #33060 -- Added BaseCache.make_and_validate_key() hook. This helper function reduces the amount of duplicated code and makes it easier to ensure that we always validate the keys.
2021-08-26 21:00:05 +08:00
self.make_and_validate_key(key, version=version)
Fixed #30759 -- Made cache.delete() return whether it succeeded. Thanks Simon Charette for the review.
2019-10-08 17:02:40 +08:00
return False
Refactored cache from django/core/cache.py into django/core/cache package, with each backend getting a separate module. This keeps things cleaner and uses less memory, because the backend module is only loaded if it's needed. git-svn-id: http://code.djangoproject.com/svn/django/trunk@2378 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2006-02-24 14:07:01 +08:00
Fixed #13795 -- Added a site-wide cache prefix and cache versioning. Thanks to bruth for the patch. git-svn-id: http://code.djangoproject.com/svn/django/trunk@14623 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2010-11-19 23:39:35 +08:00
def has_key(self, key, version=None):
Fixed #33060 -- Added BaseCache.make_and_validate_key() hook. This helper function reduces the amount of duplicated code and makes it easier to ensure that we always validate the keys.
2021-08-26 21:00:05 +08:00
self.make_and_validate_key(key, version=version)
Refactored cache from django/core/cache.py into django/core/cache package, with each backend getting a separate module. This keeps things cleaner and uses less memory, because the backend module is only loaded if it's needed. git-svn-id: http://code.djangoproject.com/svn/django/trunk@2378 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2006-02-24 14:07:01 +08:00
return False
Fixed #12671 -- Added set_many(), get_many(), and clear() methods to the cache backend interface. Thanks to Jeff Balogh for the report and patch. git-svn-id: http://code.djangoproject.com/svn/django/trunk@12306 bcc190cf-cafb-0310-a4f2-bffc1f526a37
2010-01-27 16:21:35 +08:00
def clear(self):
pass