The cache backends is used to store references to already created thumbnails in order to avoid unnecessary disk or network usage. The Thumbnail object is cached and will be returned directly in get_thumbnail if the cache returns it.

.. autoclass:: thumbnails.cache_backends.BaseCacheBackend
    :members:
    :private-members:

.. autoclass:: thumbnails.cache_backends.SimpleCacheBackend
    :members:
    :private-members:

.. autoclass:: thumbnails.cache_backends.DjangoCacheBackend
    :members:
    :private-members:

.. autoclass:: thumbnails.cache_backends.RedisCacheBackend
    :members:
    :private-members: