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  • Committer: Jelmer Vernooij
  • Date: 2020-03-22 01:35:14 UTC
  • mfrom: (7490.7.6 work)
  • mto: This revision was merged to the branch mainline in revision 7499.
  • Revision ID: jelmer@jelmer.uk-20200322013514-7vw1ntwho04rcuj3
merge lp:brz/3.1.

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breezy/fifo_cache.py
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"""A simple first-in-first-out (FIFO) cache."""
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from __future__ import absolute_import, division
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from collections import deque
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        else:
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            self._after_cleanup_count = min(after_cleanup_count,
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                                            self._max_cache)
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        self._cleanup = {} # map to cleanup functions when items are removed
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        self._queue = deque() # Track when things are accessed
 
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        self._cleanup = {}  # map to cleanup functions when items are removed
 
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        self._queue = deque()  # Track when things are accessed
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    def __setitem__(self, key, value):
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        """Add a value to the cache, there will be no cleanup function."""
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            self._remove_oldest()
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        if len(self._queue) != len(self):
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            raise AssertionError('The length of the queue should always equal'
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                ' the length of the dict. %s != %s'
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                % (len(self._queue), len(self)))
 
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                                 ' the length of the dict. %s != %s'
 
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                                 % (len(self._queue), len(self)))
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    def clear(self):
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        """Clear out all of the cache."""
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    it restricts the cache to be cleaned based on the size of the data.
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    """
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    def __init__(self, max_size=1024*1024, after_cleanup_size=None,
 
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    def __init__(self, max_size=1024 * 1024, after_cleanup_size=None,
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                 compute_size=None):
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        """Create a new FIFOSizeCache.
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            self._after_cleanup_size = min(max_size, after_cleanup_size)
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        if self._value_size > self._max_size:
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            self.cleanup()
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