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Changelog

0.8 (unreleased)

  • TBD

0.7 (2017-09-06)

  • Add CacheMaker.memoize to create named, unbounded caches.
  • Add UnboundedCache, backed by a dict.
  • Add an ignore_unhashable_args option to lru_cache: if True, the cache will discard arguments which cannot be hashed, rather than raising a TypeError.
  • Expose cache object on the wrapped function, e.g. to allow extracting cache performance data easily (PR #20).
  • Avoid crash when memoizing a functools.partial instance (PR #21).
  • Add explicit support for Python3.4, 3.5, and 3.6.
  • Drop support for Python 2.6 and 3.2.

0.6 (2012-07-12)

  • Added a CacheMaker helper class: a maker keeps references (by name) to the caches it creates, to permit them to be cleared.
  • Added statistics to each cache, tracking lookups, hits, misses, and evictions.
  • Automated building Sphinx docs and testing example snippets under tox.
  • Added Sphinx documentation.
  • Dropped support for Python 2.5.
  • Added support for PyPy.
  • Added setup.py docs alias (installs Sphinx and dependencies).
  • Added setup.py dev alias (runs develop plus installs nose and coverage).
  • Added support for CI under supported Pythons using tox.
  • Bug: Remove potential race condition on lock in face of interrupts (Issue #10).

0.5 (2012-03-24)

  • Feature: added a new "invalidate()" method to allow removal of items from the cache (issue #8).
  • Bug: LRUCache.put() could take multiple seconds on large caches (Issue #7).
  • Bug: LRUCache was not thread safe (Issue #6).
  • Bug: LRUCache.clock would waste RAM (Issue #4).
  • Bug: repeated pushing of an entry would remove other cache entries (Issue #3).
  • Bug: LRUCache would evict entries even when not full (Issue #2).

0.4 (2011-09-04)

0.3 (2009/06/16)

  • Add a thread lock around clear logic.

0.2 (2009/06/15)

  • Add a clear method.

0.1 (2009/06/14)

  • Initial release.