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            def load_bytecode(self, bucket):
                filename = path.join(self.directory, bucket.key)
                if path.exists(filename):
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    Libraries compatible with this class:

    -   `cachelib <https://github.com/pallets/cachelib>`_
    -   `python-memcached <https://pypi.org/project/python-memcached/>`_

    (Unfortunately the django cache interface is not compatible because it
    does not support storing binary data, only text. You can however pass
    the underlying cache client to the bytecode cache which is available
    as `django.core.cache.cache._client`.)

    The minimal interface for the client passed to the constructor is this:

    .. class:: MinimalClientInterface

        .. method:: set(key, value[, timeout])

            Stores the bytecode in the cache.  `value` is a string and
            `timeout` the timeout of the key.  If timeout is not provided
            a default timeout or no timeout should be assumed, if it's
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            exist in the cache the return value must be `None`.

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    the cache system.  We recommend a high (or no) timeout.

    This bytecode cache does not support clearing of used items in the cache.
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