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188 Commits

Author SHA1 Message Date
Brandt Bucher 226a012d1c
bpo-42536: GC track recycled tuples (GH-23623) 
Several built-in and standard library types now ensure that their internal result tuples are always tracked by the garbage collector:

- collections.OrderedDict.items
- dict.items
- enumerate
- functools.reduce
- itertools.combinations
- itertools.combinations_with_replacement
- itertools.permutations
- itertools.product
- itertools.zip_longest
- zip

Previously, they could have become untracked by a prior garbage collection.
 2020-12-04 19:45:57 -08:00
Raymond Hettinger cc061d0e6f
bpo-38200: Add itertools.pairwise() (GH-23549) 2020-11-30 20:42:54 -08:00
Raymond Hettinger fc40b3020c
bpo-42450: Minor updates to the itertools recipes (GH-23555) 2020-11-29 10:47:22 -08:00
Serhiy Storchaka 526a01467b
bpo-34410: Fix a crash in the tee iterator when re-enter it. (GH-15625) 
RuntimeError is now raised in this case.
 2019-09-09 11:47:14 +03:00
Sergey Fedoseev 6a650aaf77 bpo-37976: Prevent shadowing of TypeError in zip() (GH-15592) 2019-08-29 21:25:48 -07:00
Neil Schemenauer 52a48e62c6
bpo-37707: Exclude expensive unit tests from PGO task (GH-15009) 
Mark some individual tests to skip when --pgo is used.  The tests
marked increase the PGO task time significantly and likely don't
help improve optimization of the final executable.
 2019-07-30 11:08:18 -07:00
Lisa Roach 9718b59ee5
bpo-34659: Adds initial kwarg to itertools.accumulate() (GH-9345) 2018-09-23 17:34:59 -07:00
Raymond Hettinger 9265dd72e5
Add a prepend() recipe to teach a chain() idiom (GH-6415) 2018-04-08 08:44:20 -07:00
Cheryl Sabella da1734c58d bpo-27212: Modify islice recipe to consume initial values preceding start (GH-6195) 2018-03-26 18:29:33 -07:00
Raymond Hettinger d37258dd2e
Add itertools recipe for directly finding the n-th combination (#5161) 2018-01-13 10:35:40 -08:00
Serhiy Storchaka c740e4fe8a bpo-30347: Stop crashes when concurrently iterate over itertools.groupby() iterators. (#1557) 2017-09-26 21:47:56 +03:00
Serhiy Storchaka c247caf33f bpo-30346: An iterator produced by the itertools.groupby() iterator (#1569) 
now becames exhausted after advancing the groupby iterator.
 2017-09-24 13:36:11 +03:00
Will Roberts 0ecdc52514 bpo-30537: use PyNumber in itertools.islice instead of PyLong (#1918) 
* bpo-30537: use PyNumber in itertools instead of PyLong

* bpo-30537: revert changes except to islice_new

* bpo-30537: test itertools.islice and add entry to Misc/NEWS
 2017-06-07 23:03:04 -07:00
Serhiy Storchaka 5eb788bf7f bpo-30534: Fixed error messages when pass keyword arguments (#1901) 
to functions implemented in C that don't support this.

Also unified error messages for functions that don't take positional or keyword
arguments.
 2017-06-06 18:45:22 +03:00
T. Wouters 5466d4af5f bpo-29942: Fix the use of recursion in itertools.chain.from_iterable. (#889) 
Fix the use of recursion in itertools.chain.from_iterable. Using recursion
is unnecessary, and can easily cause stack overflows, especially when
building in low optimization modes or with Py_DEBUG enabled.
 2017-03-30 09:58:35 -07:00
Serhiy Storchaka 8f0f205649 Issue #28322: Fixed possible crashes when unpickle itertools objects from 
incorrect pickle data.  Based on patch by John Leitch.
 2016-10-02 09:13:14 +03:00
Serhiy Storchaka 85c3f268f4 Issue #28322: Fixed possible crashes when unpickle itertools objects from 
incorrect pickle data.  Based on patch by John Leitch.
 2016-10-02 08:34:53 +03:00
Serhiy Storchaka 8f9cafad3d Issue #28019: itertools.count() no longer rounds non-integer step in range 
between 1.0 and 2.0 to 1.
 2016-09-10 09:53:51 +03:00
Serhiy Storchaka 8ddcf3abf7 Issue #28019: itertools.count() no longer rounds non-integer step in range 
between 1.0 and 2.0 to 1.
 2016-09-10 09:49:24 +03:00
Martin Panter f157982b2c Issue #27076: More doc and comment spelling fixes for 3.6, by Ville Skyttä 2016-05-26 06:03:33 +00:00
Serhiy Storchaka c7f44aa99a Issue #23277: Remove more unused sys and os imports. 2016-04-24 13:25:01 +03:00
Raymond Hettinger 20b3e72b8d Merge 2016-03-06 18:12:08 -08:00
Raymond Hettinger e525ee3b48 Document another recipe for itertools: all_equal(). Inspired by David Beazley. 2016-03-06 18:11:38 -08:00
Serhiy Storchaka 5608411a96 Issue #25718: Fixed pickling and copying the accumulate() iterator with total is None. 2016-03-06 14:02:26 +02:00
Serhiy Storchaka d55162517d Issue #25718: Fixed pickling and copying the accumulate() iterator with total is None. 2016-03-06 14:00:45 +02:00
Kristján Valur Jónsson a8a930f863 Issue #25021: Merge 3.5 to default 2015-09-12 16:36:15 +00:00
Kristján Valur Jónsson d7f65e5763 Issue #25021: Merge 3.4 to 3.5 2015-09-12 16:34:33 +00:00
Kristján Valur Jónsson 95c3e6cb22 Issue #25021: Merge from 3.3 to 3.4 2015-09-12 15:30:23 +00:00
Kristján Valur Jónsson 102764a1f6 Issue #25021: Correctly make sure that product.__setstate__ does not access 
invalid memory.
 2015-09-12 15:20:54 +00:00
Raymond Hettinger 1cadf769b3 Improve comment 2015-08-15 14:47:27 -07:00
Raymond Hettinger a166ce561c Add more tests for pickling itertools.cycle 2015-08-15 14:45:49 -07:00
Raymond Hettinger 79c878d5f2 Fix crash in itertools.cycle.__setstate__() caused by lack of type checking. 
Will backport after the 3.6 release is done.
 2015-08-15 13:51:59 -07:00
Serhiy Storchaka 1770fde94c Make some tests more frienly to MemoryError. 
Free memory, unlock hanging threads.
 2015-03-28 20:39:51 +02:00
Serhiy Storchaka 9db55004a1 Make some tests more frienly to MemoryError. 
Free memory, unlock hanging threads.
 2015-03-28 20:38:37 +02:00
Serhiy Storchaka a60c2fe480 Issue #23641: Cleaned out legacy dunder names from tests and docs. 
Fixed 2 to 3 porting bug in pynche.ColorDB.
 2015-03-12 21:56:08 +02:00
Serhiy Storchaka c2ccce791c Issue #23641: Cleaned out legacy dunder names from tests and docs. 
Fixed 2 to 3 porting bug in pynche.ColorDB.
Added few tests for __truediv__, __floordiv__ and __matmul__.
 2015-03-12 22:01:30 +02:00
Serhiy Storchaka 7a27c97216 Issues #23363, #23364, #23365, #23366: Fixed itertools overflow tests. 
Used PyMem_New to check overflow.
 2015-02-03 01:50:31 +02:00
Serhiy Storchaka b5e8e57555 Issues #23363, #23364, #23365, #23366: Fixed itertools overflow tests. 
Used PyMem_New to check overflow.
 2015-02-03 01:35:10 +02:00
Serhiy Storchaka dee948b359 Issues #23363, #23364, #23365, #23366: Fixed itertools overflow tests. 
Used PyMem_New to check overflow.
 2015-02-03 01:34:09 +02:00
Benjamin Peterson 5d0bb852a2 merge 3.4 (#23364, #23363) 2015-02-01 21:36:01 -05:00
Benjamin Peterson c468b537cd merge 3.3 (#23364, #23363) 2015-02-01 21:35:34 -05:00
Benjamin Peterson 0eaabf1c05 check for overflows in permutations() and product() (closes #23363, closes #23364) 2015-02-01 21:34:07 -05:00
Benjamin Peterson 38d9772622 merge 3.4 (#23365) 2015-02-01 21:11:54 -05:00
Benjamin Peterson f635dc32b1 merge 3.3 (#23365) 2015-02-01 21:11:39 -05:00
Benjamin Peterson 6f082297b2 check for overflow in combinations_with_replacement (closes #23365) 2015-02-01 21:10:47 -05:00
Benjamin Peterson 4db56d5002 merge 3.4 (#23366) 2015-02-01 21:01:43 -05:00
Benjamin Peterson 819c4e9bc4 merge 3.3 (#23366) 2015-02-01 21:00:15 -05:00
Benjamin Peterson 4b40eeb339 detect overflow in combinations (closes #23366) 2015-02-01 20:59:00 -05:00
Serhiy Storchaka 65ee4674e2 Issue #22777: Test pickling with all protocols. 2014-12-15 14:06:02 +02:00
Serhiy Storchaka bad1257c96 Issue #22777: Test pickling with all protocols. 2014-12-15 14:03:42 +02:00