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316 Commits

Author SHA1 Message Date
Raymond Hettinger c860d30fa0
More useful OrderedDict LRU recipes (GH-28164) 2021-09-05 12:37:02 -05:00
Raymond Hettinger 54f185b6d3
bpo-44782: Improve OrderedDict recipe for LRU cache variants (GH-27536) 2021-08-02 13:15:45 -05:00
Elliot Waite 92a5c0871b
Fix typo in collections.rst (#27270) 2021-07-22 09:31:22 +02:00
Dennis Sweeney d1ae57027f
bpo-41621: Document defaultdict's default_factory parameter (GH-21945) 
It defaults to None and is positional only.
 2021-06-22 10:19:24 -04:00
Raymond Hettinger 8c598dbb94
bpo-25478: Add total() method to collections.Counter (GH-25829) 2021-05-02 20:19:51 -07:00
Kamil Turek 9923df9641
bpo-43245: Add keyword argument support to ChainMap.new_child() (GH-24788) 2021-03-13 19:15:44 -08:00
Mariusz Felisiak d0a445490e
Update link to Django's Context class. (#24805) 
* Update link to Django's Context class.
* Update link to get-pip.py.
 2021-03-13 04:26:11 -08:00
Hugo van Kemenade c47c78b878
bpo-37324: Remove ABC aliases from collections (GH-23754) 
Remove deprecated aliases to Abstract Base Classes from the
collections module.
 2021-01-13 00:16:37 +01:00
Raymond Hettinger 9fc319dc03
bpo-42360: Add advice to help avoid pickling issues. (GH-23305) 2020-11-20 12:49:32 -08:00
Andre Delfino e8a2076e14
Revert "Fix all Python Cookbook links (#22205)" (GH-22424) 
This commit reverts commit ac0333e1e1 as the original links are working again and they provide extended features such as comments and alternative versions.
 2020-09-27 01:47:25 +01:00
Andre Delfino ac0333e1e1
Fix all Python Cookbook links (#22205) 2020-09-15 21:13:26 +01:00
Raymond Hettinger b7d79b4f36
bpo-40755: Add rich comparisons to Counter (GH-20548) 2020-05-31 14:57:42 -07:00
Raymond Hettinger 60398512c8
bpo-40755: Add missing multiset operations to Counter() (GH-20339) 2020-05-28 08:35:46 -07:00
qudongfang bb8635cc3b
bpo-40651: Improve LRU recipe in the OrderedDict documentation (GH-#20139) 2020-05-17 20:50:51 -07:00
Curtis Bucher f393b2c588
bpo-36144: Add PEP 584 operators to collections.ChainMap (#18832) 
* Update ChainMap to include | and |=

Created __ior__, __or__ and __ror__ methods in ChainMap class.

* Update ACKS

* Update docs

* Update test_collections.py to include test_issue584().

Added testing for | and |= operators for ChainMap objects.

* Update test_union_operators

Renamed test_union operators, fixed errors and style problems raised by brandtbucher.

* Update test_union_operators in TestChainMap

Added testing for union operator between ChainMap and iterable of key-value pairs.

* Update test_union operators in test_collections.py

Gave more descriptive variable names and eliminated unnecessary tmp variable.

* Update test_union_operators in test_collections.py

Added cm3

* Check .maps rather than Chainmap equality.

* Add news entry

* Update Lib/test/test_collections.py

Co-Authored-By: Brandt Bucher <brandtbucher@gmail.com>

* Removed whitespace

* Added Guido's changes

* Fixed Docs

* Removed whitespace

Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
 2020-03-23 12:02:05 -07:00
Brandt Bucher 6d674a1bf4
bpo-36144: OrderedDict Union (PEP 584) (#18967) 2020-03-13 09:06:04 -07:00
Brandt Bucher 57c9d17256
bpo-36144: Implement defaultdict union (GH-18729) 
For PEP 585 (this isn't in the PEP but is an obvious follow-up).
 2020-03-06 09:24:08 -08:00
Victor Stinner 91fe414264
bpo-39674: Update collections ABC deprecation doc (GH-18747) 2020-03-03 17:31:11 +01:00
Victor Stinner af5ee3ff61
bpo-39674: Revert "bpo-25988: Do not expose abstract collection classes in the collections module. (GH-10596)" (GH-18545) 
This reverts commit ef092fe990.

Update collections __getattr__() and documentation to defer aliases
removal to Python 3.10.
 2020-02-18 16:28:53 +01:00
Jonathan Scholbach 98480cef9d bpo-38771: Explict test for None in code example (GH-17108) 2019-11-11 16:49:41 -08:00
Serhiy Storchaka 2085bd0877
bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700) 2019-06-01 11:00:15 +03:00
Matthias Bussonnier eea47e0939 bpo-36953: Delay removal of ABCs from collections. (GH-13409) 
Bump the removal to 3.9, indicate collections.abc available since 3.3,
replace version-changed directive to deprecated-removed.


https://bugs.python.org/issue36953
 2019-05-30 14:45:48 -07:00
Andre Delfino 3099ae4075 Remove workaround for defaults in namedtuple now that we have the defaults parameter (GH-13263) 2019-05-20 20:52:17 -04:00
wim glenn 1a10a6b980 Simplify the ``LastUpdatedOrderedDict`` example recipe (GH-13296) 2019-05-13 18:10:13 -07:00
Raymond Hettinger fb28fcc925
Revert "Minor doc improvement (GH-10341)" (GH-12597) 
This reverts commit dfd775a0b1.
 2019-03-27 21:03:02 -07:00
Andre Delfino dfd775a0b1 Minor doc improvement (GH-10341) 
Change "star-operator" to "* operator".
 2019-03-26 21:17:50 -04:00
Raymond Hettinger 23581c018f
bpo-36321: Fix misspelled attribute in namedtuple() (GH-12375) 2019-03-18 00:27:39 -07:00
Raymond Hettinger 9c68543f02 Update the seealso entries for namedtuple() (GH-12373) 
* Replace external recipe link with a link to the dataclasses module.

* Highlight the class definition syntax for typing.NamedTuple
  and add an example for clarity.
 2019-03-16 12:53:23 -07:00
Raymond Hettinger 5927cfdf3a Minor grammar fix in docs (GH-12371) 2019-03-16 11:16:29 -07:00
Raymond Hettinger 407c734326
bpo-36057 Update docs and tests for ordering in collections.Counter [no behavior change] (#11962) 
* Add tests for Counter order.  No behavior change.

* Update docs and tests

* Fix doctest output and capitalization
 2019-02-21 09:19:00 -08:00
Raymond Hettinger 86f093f71a
bpo-36060: Document how collections.ChainMap() determines iteration order (GH-11969) 2019-02-21 09:12:15 -08:00
Raymond Hettinger 49fd6dd887
bpo-36059: Update OrderedDict() docs to reflect that regular dicts are now ordered (GH-11966) 2019-02-21 00:05:30 -08:00
Raymond Hettinger 9b0c681e2d bpo-31982: Improve sequence of presentation in ChainMap docs (GH-11960) 
https://bugs.python.org/issue31982
 2019-02-20 13:49:23 -08:00
Raymond Hettinger 0bb4bdf0d9
bpo-35864: Replace OrderedDict with regular dict in namedtuple() (#11708) 
* Change from OrderedDict to a regular dict

* Add blurb
 2019-01-31 00:59:50 -08:00
Andrés Delfino 76e8fd7b7e dict insertion order is guaranteed since 3.7 (GH-10431) 2018-11-11 08:56:47 -08:00
Windson yang 98b8535415 bpo-35118: Improve docs regarding indexing (GH-10265) 2018-11-04 14:34:22 -08:00
Raymond Hettinger 2064bb6d57
Fix missing line from example shell session (GH-9143) 2018-09-10 18:43:08 -07:00
Michael Seifert e105294708 Corrected link targets in collections.rst (GH-1052) 2018-03-26 14:40:35 +03:00
Raymond Hettinger ca6c125f10
Fix typo -- missing "not" (GH-5528) 2018-02-04 09:15:01 -08:00
Raymond Hettinger 589c718a8e
bpo-32739: Show default value for rotate() (GH-5485) 2018-02-03 08:46:28 -08:00
Raymond Hettinger e6d342156d
bpo-25988: Deprecate exposing collections.abc in collections GH-5414 2018-01-29 08:27:49 -08:00
Raymond Hettinger 3948207c61
bpo-32320: Add default value support to collections.namedtuple() (#4859) 2018-01-10 21:45:19 -08:00
Raymond Hettinger 0858495a50
bpo-32099 Add deque variant of roundrobin() recipe (#4497) 
* Minor wording tweaks
 2017-11-23 13:32:23 -08:00
Raymond Hettinger 8b57d73639 bpo-28638: Optimize namedtuple() creation time by minimizing use of exec() (#3454) 
* Working draft without _source

* Re-use itemgetter() instances

* Speed-up calls to __new__() with a pre-bound tuple.__new__()

* Add note regarding string interning

* Remove unnecessary create function wrappers

* Minor sync-ups with PR-2736.  Mostly formatting and f-strings

* Bring-in qualname/__module fix-ups from PR-2736

* Formally remove the verbose flag and _source attribute

* Restore a test of potentially problematic field names

* Restore kwonly_args test but without the verbose option

* Adopt Inada's idea to reuse the docstrings for the itemgetters

* Neaten-up a bit

* Add news blurb

* Serhiy pointed-out the need for interning

* Jelle noticed as missing f on an f-string

* Add whatsnew entry for feature removal

* Accede to request for dict literals instead keyword arguments

* Leave the method.__module__ attribute pointing the actual location of the code

* Improve variable names and add a micro-optimization for an non-public helper function

* Simplify by in-lining reuse_itemgetter()

* Arrange steps in more logical order

* Save docstring in local cache instead of interning
 2017-09-10 10:23:36 -07:00
Ben Hoyt 184bd82ba8 bpo-30659 : Use ** for kwargs in namedtuple._replace() signature (GH-2173) 2017-06-13 12:20:51 -07:00
csabella 97bf722fcd bpo-28851: Improve namedtuple documentation (GH-1274) 
Clarify that a sequence of strings is the preferred value for 'field_names'.
 2017-04-25 09:14:45 -07:00
Raymond Hettinger d15bb26248 Update OrderedDict docs to reflect acceptance of PEP 468 2017-01-07 22:05:12 -08:00
Serhiy Storchaka 989db5c880 Issue #19795: Mark up None as literal text. 2016-10-19 16:37:13 +03:00
Serhiy Storchaka ecf41da83e Issue #19795: Mark up None as literal text. 2016-10-19 16:29:26 +03:00
Raymond Hettinger 0d5048cb21 Issue #17941: Add a *module* parameter to collections.namedtuple() 2016-09-12 00:18:31 -07:00