Class BaseMemcachedCache

Declaration

Methods

• ▶ def __init__(self, server, params, library, value_not_found_exception) override

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  This method overrides django.core.cache.backends.base.BaseCache.__init__.

  Overrides

  This method is overriden in:

  • django.core.cache.backends.memcached.MemcachedCache
  • django.core.cache.backends.memcached.PyLibMCCache
  • django.core.cache.backends.memcached.PyMemcacheCache
• ▶ def add(self, key, value, timeout=DEFAULT_TIMEOUT, version=None) override

  inherited doc Set a value in the cache if the key does not already exist. If timeout is given, use that timeout for the key; otherwise use the default cache timeout.

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  This method overrides django.core.cache.backends.base.BaseCache.add.

  Return True if the value was stored, False otherwise.

• ▶ def clear(self) override

  inherited doc Remove *all* values from the cache at once.

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  This method overrides django.core.cache.backends.base.BaseCache.clear.

• ▶ def client_servers(self) @property

  @property
  def client_servers(self)

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  Overrides

  This method is overriden in:

  • django.core.cache.backends.memcached.PyLibMCCache
• ▶ def close(self, **kwargs) override

  inherited doc Close the cache connection

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  This method overrides django.core.cache.backends.base.BaseCache.close.

  Overrides

  This method is overriden in:

  • django.core.cache.backends.memcached.PyLibMCCache
• ▶ def decr(self, key, delta=1, version=None) override

  inherited doc Subtract delta from value in the cache. If the key does not exist, raise a ValueError exception.

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  This method overrides django.core.cache.backends.base.BaseCache.decr.

• ▶ def delete(self, key, version=None) override

  inherited doc Delete a key from the cache and return whether it succeeded, failing silently.

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  This method overrides django.core.cache.backends.base.BaseCache.delete.

  Overrides

  This method is overriden in:

  • django.core.cache.backends.memcached.MemcachedCache
• ▶ def delete_many(self, keys, version=None) override

  inherited doc Delete a bunch of values in the cache at once. For certain backends (memcached), this is much more efficient than calling delete() multiple times.

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  This method overrides django.core.cache.backends.base.BaseCache.delete_many.

• ▶ def get(self, key, default=None, version=None) override

  inherited doc Fetch a given key from the cache. If the key does not exist, return default, which itself defaults to None.

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  This method overrides django.core.cache.backends.base.BaseCache.get.

  Overrides

  This method is overriden in:

  • django.core.cache.backends.memcached.MemcachedCache
• ▶ def get_backend_timeout(self, timeout=DEFAULT_TIMEOUT) override

  Memcached deals with long (> 30 days) timeouts in a special way. Call this function to obtain a safe value for your timeout.

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  This method overrides django.core.cache.backends.base.BaseCache.get_backend_timeout.

• ▶ def get_many(self, keys, version=None) override

  inherited doc Fetch a bunch of keys from the cache. For certain backends (memcached, pgsql) this can be *much* faster when fetching multiple values.

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  This method overrides django.core.cache.backends.base.BaseCache.get_many.

  Return a dict mapping each key in keys to its value. If the given
  key is missing, it will be missing from the response dict.

• ▶ def incr(self, key, delta=1, version=None) override

  inherited doc Add delta to value in the cache. If the key does not exist, raise a ValueError exception.

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  This method overrides django.core.cache.backends.base.BaseCache.incr.

• ▶ def set(self, key, value, timeout=DEFAULT_TIMEOUT, version=None) override

  inherited doc Set a value in the cache. If timeout is given, use that timeout for the key; otherwise use the default cache timeout.

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  This method overrides django.core.cache.backends.base.BaseCache.set.

• ▶ def set_many(self, data, timeout=DEFAULT_TIMEOUT, version=None) override

  inherited doc Set a bunch of values in the cache at once from a dict of key/value pairs. For certain backends (memcached), this is much more efficient than calling set() multiple times.

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  This method overrides django.core.cache.backends.base.BaseCache.set_many.

  If timeout is given, use that timeout for the key; otherwise use the
  default cache timeout.
  
  On backends that support it, return a list of keys that failed
  insertion, or an empty list if all keys were inserted successfully.

• ▶ def touch(self, key, timeout=DEFAULT_TIMEOUT, version=None) override

  inherited doc Update the key's expiry time using timeout. Return True if successful or False if the key does not exist.

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  This method overrides django.core.cache.backends.base.BaseCache.touch.

  Overrides

  This method is overriden in:

  • django.core.cache.backends.memcached.PyLibMCCache
• ▶ def validate_key(self, key) override

  inherited doc Warn about keys that would not be portable to the memcached backend. This encourages (but does not force) writing backend-portable cache code.

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  This method overrides django.core.cache.backends.base.BaseCache.validate_key.

Inherited methods

• Methods inherited from django.core.cache.backends.base.BaseCache:
  __contains__, decr_version, get_or_set, has_key, incr_version, make_key

Subclasses

• django.core.cache.backends.memcached.MemcachedCache
• django.core.cache.backends.memcached.PyLibMCCache
• django.core.cache.backends.memcached.PyMemcacheCache

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