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94 Commits

Author SHA1 Message Date
Brett Cannon cd171c8e92 Issue #18200: Back out usage of ModuleNotFoundError (8d28d44f3a9a) 2013-07-04 17:43:24 -04:00
Łukasz Langa 3720c77e30 Issue #18244: Adopt C3-based linearization in functools.singledispatch for improved ABC support 2013-07-01 16:00:38 +02:00
Brett Cannon 0a140668fa Issue #18200: Update the stdlib (except tests) to use 
ModuleNotFoundError.
 2013-06-13 20:57:26 -04:00
Łukasz Langa 6f69251980 Add reference implementation for PEP 443 
PEP accepted: http://mail.python.org/pipermail/python-dev/2013-June/126734.html
 2013-06-05 12:20:24 +02:00
Raymond Hettinger 36fe22806c merge 2013-03-08 23:04:47 -08:00
Raymond Hettinger d8d6010df3 Sync-up with 3.4 to make maintenance easier. 2013-03-08 23:01:07 -08:00
Raymond Hettinger a28c55a2e4 merge 2013-03-08 21:14:46 -07:00
Raymond Hettinger f96b2b03bb Improve comments and variable names. 2013-03-08 21:11:55 -07:00
Raymond Hettinger bb5f48008d Merge 2013-03-04 04:20:46 -05:00
Raymond Hettinger 352cc8cfc3 Another nit. 2013-03-04 04:19:09 -05:00
Raymond Hettinger 32e2ff5dc5 merge 2013-03-04 03:54:45 -05:00
Raymond Hettinger f2c17a9276 Fix other re-entrancy nits for the lru_cache. 
Keep references for oldkey and oldvalue so they can't
trigger a __del__ method to reenter our thread.

Move the cache[key]=link step to the end, after the link
data is in a consistent state.

Under exotic circumstances, the cache[key]=link step could
trigger reentrancy (i.e. the key would have to have a hash
exactly equal to that for another key in the cache and the
key would need a __eq__ method that makes a reentrant call
our cached function).
 2013-03-04 03:34:09 -05:00
Raymond Hettinger 794568f0ad Merge 2013-03-01 23:21:00 -08:00
Raymond Hettinger 409f663091 Remove dependency on dummy_threading (to solve a bootstrap problem). 2013-03-01 23:20:13 -08:00
Raymond Hettinger dacb6858e8 Merge 2013-03-01 03:48:30 -08:00
Raymond Hettinger fd54117a68 Don't deadlock on a reentrant call. 2013-03-01 03:47:57 -08:00
Raymond Hettinger 832eddeafb Eliminate unnecessary variable. 2013-02-17 00:08:45 -08:00
Antoine Pitrou b5b3714168 Issue #12428: Add a pure Python implementation of functools.partial(). 
Patch by Brian Thorne.
 2012-11-13 21:35:40 +01:00
Raymond Hettinger 0c9050c25d Separate key creation logic from the sequence class that memoizes its hash value. 2012-06-04 00:21:14 -07:00
Raymond Hettinger 010ce3283a Minor change to default lru size. Set default to a power of two. 2012-05-19 21:20:48 -07:00
Raymond Hettinger 9acbb6074f Move make_key() out of the decorator body. Make keys that only need to be hashed once. 2012-04-30 22:32:16 -07:00
Raymond Hettinger 018b4fbb9b Use a flag to indicate when the circular queue is fully populated and stable. 2012-04-30 20:48:55 -07:00
Raymond Hettinger 34d94a2101 Handle a possible race condition 2012-04-30 14:14:28 -07:00
Raymond Hettinger b6b98c093e Track the cache size directly. 2012-04-29 18:09:02 -07:00
Raymond Hettinger 9f0ab9f564 Factor out shared variables. 2012-04-29 14:55:27 -07:00
Raymond Hettinger 678e7f3be6 Flatten the lru cache keyword args tuple for better memory utilization. 2012-04-29 12:28:02 -07:00
Raymond Hettinger c6897854f8 Fix-up a comment 2012-03-31 02:19:06 -07:00
Raymond Hettinger 7f7a5a7b87 Fix-up comments and add a sentinel variable for clarity. 2012-03-30 21:50:40 -07:00
Raymond Hettinger 41eb79a016 No need to create and destroy links when updating a fixed-sized circular queue. 2012-03-30 19:15:18 -07:00
Raymond Hettinger 1ff50df8bc Minor cleanup: add whitespace, add comments, bring function attribute updates together. 2012-03-30 13:15:48 -07:00
Raymond Hettinger 7dabfede34 Fix whitespace 2012-03-17 15:11:09 -07:00
Raymond Hettinger 7e0c581c49 Low overhead path for maxsize==0 2012-03-17 15:10:24 -07:00
Raymond Hettinger bc8e81dcc3 Section-off the source for better readability. 2012-03-17 00:24:09 -07:00
Raymond Hettinger dce583e0bd Minor beautification. 2012-03-16 22:12:20 -07:00
Raymond Hettinger 4f5139ba20 Root variable is not changed. 2012-03-16 17:08:37 -07:00
Raymond Hettinger 202d1ad3f6 Fix whitespace 2012-03-16 17:05:17 -07:00
Raymond Hettinger d37fb55910 Unique sentinel value for cache.get() 2012-03-16 17:04:11 -07:00
Raymond Hettinger 6e8c817687 Refactor calculation of the cache key. Minor code cleanups. 2012-03-16 16:53:05 -07:00
Benjamin Peterson 29a837d857 merge heads 2012-03-16 18:22:53 -05:00
Benjamin Peterson 954cf578c7 clear the root with the cache 2012-03-16 18:22:26 -05:00
Raymond Hettinger d656958915 Minor code cleanup. 2012-03-16 11:48:12 -07:00
Raymond Hettinger 57b2959d26 Eliminate duplicate link lookup. Minor cleanup. 2012-03-16 11:21:39 -07:00
Raymond Hettinger ec0e91045e Improve the memory utilization (and speed) of functools.lru_cache(). 2012-03-16 01:16:31 -07:00
Meador Inge ff7f64ca0e Issue #13544: Add __qualname__ to functools.WRAPPER_ASSIGNMENTS. 
Patch by Filip Gruszczyński.
 2011-12-11 22:37:31 -06:00
Raymond Hettinger cd9fdfd652 Issue 13227: Option to make the lru_cache() type specific (suggested by Andrew Koenig). 2011-10-20 08:57:45 -07:00
Raymond Hettinger d8886fc831 Merge 2011-10-16 00:00:51 -07:00
Raymond Hettinger 4b779b3785 Issue 13177: Make tracebacks more readable by avoiding chained exceptions in the lru_cache. 2011-10-15 23:50:42 -07:00
Raymond Hettinger 8cd2e5f751 Sync-up minor code edits with the default branch. 2011-05-05 14:15:12 -07:00
Raymond Hettinger e7a2430dde Fix __hash__ in functools.cmp_to_key() to work with collections.Hashable. 2011-05-03 11:16:36 -07:00
Raymond Hettinger 003be52932 Fix __hash__ in functools.cmp_to_key() to work with collections.Hashable. 2011-05-03 11:01:32 -07:00