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155 Commits

Author SHA1 Message Date
Kamil Turek 9923df9641
bpo-43245: Add keyword argument support to ChainMap.new_child() (GH-24788) 2021-03-13 19:15:44 -08:00
Brandt Bucher 145bf269df
bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917) 
Co-authored-by: Guido van Rossum <guido@python.org>
Co-authored-by: Talin <viridia@gmail.com>
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
 2021-02-26 14:51:55 -08:00
Raymond Hettinger b6d68aa08b
bpo-43102: Set namedtuple __new__'s internal builtins to a dict. (GH-24439) 2021-02-04 15:52:16 -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
kj 463c7d3d14
bpo-42195: Ensure consistency of Callable's __args__ in collections.abc and typing (GH-23060) 2020-12-13 10:38:24 -08:00
Andreas Poehlmann 0be9ce305f
bpo-42487: don't call __getitem__ of underlying maps in ChainMap.__iter__ (GH-23534) 2020-11-30 08:34:15 -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
Victor Stinner 7824cc05bf
bpo-41006: collections imports lazily heap (GH-20940) 
The collections module now imports lazily the heapq modules in the
Counter.most_common() method to speedup Python startup time.
 2020-06-17 19:10:47 +02:00
Raymond Hettinger 31d17798d6
Collections module reformatting and minor code refactoring (GH-20772) 2020-06-10 23:17:58 -07:00
Raymond Hettinger 0a40849eb9
Minor improvement to the namedtuple implementation (GH-20741) 
* Cleaner way to build the arg list with a trailing comma when required

* Fix appearance of __new__ in help()
 2020-06-08 12:38:41 -07:00
Raymond Hettinger 3ff51d425e
Deny eval() direct access to builtins (GH-20713) 2020-06-07 23:51:40 -07:00
Raymond Hettinger 0e96c419d7
Update comments to reflect the current API (GH-20682) 2020-06-06 12:42:54 -07:00
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
Raymond Hettinger 3cfe5b7b8f
Simplify creation of the __new__ method in namedtuple() (GH-20361) 2020-05-25 21:39:00 -07:00
Raymond Hettinger 4cc4d6048e
Expand the implementation comments (GH-19699) 2020-04-24 02:33:07 -07:00
sweeneyde a81849b031
bpo-39939: Add str.removeprefix and str.removesuffix (GH-18939) 
Added str.removeprefix and str.removesuffix methods and corresponding
bytes, bytearray, and collections.UserString methods to remove affixes
from a string if present. See PEP 616 for a full description.
 2020-04-22 23:05:48 +02:00
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 eb8ac57af2
bpo-36144: Dictionary Union (PEP 584) (#12088) 2020-02-24 19:47:34 -08:00
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
Raymond Hettinger 58ccd201fa
bpo-36321: Fix misspelled attribute name in namedtuple() (GH-16858) 2019-10-20 10:19:47 -07:00
Serhiy Storchaka ef092fe990
bpo-25988: Do not expose abstract collection classes in the collections module. (GH-10596) 2019-10-07 12:10:15 +03:00
Daniel Fortunov 2a16eea71f bpo-36582: Make collections.UserString.encode() return bytes, not str (GH-13138) 2019-08-27 21:38:09 -07:00
Florian Bruhin c4106af38b Add missing space to warning message (GH-14915) 
This typo was introduced in GH-13409 when changing the message text.
 2019-08-21 23:06:51 -07:00
Min ho Kim 96e12d5f4f Fix typos in docs, comments and test assert messages (#14872) 2019-07-21 16:12:33 -04:00
Serhiy Storchaka 142566c028
[3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620) 
Turn deprecation warnings added in 3.8 into TypeError.
 2019-06-05 18:22:31 +03:00
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
Batuhan Taşkaya 7abf8c6081 bpo-25652: Fix __rmod__ of UserString (GH-13326) 
The ``__rmod__`` method of ``collections.UserString`` class had a bug that made it unusable. 


https://bugs.python.org/issue25652
 2019-05-21 13:27:36 -07:00
Bar Harel f4e1babf44 bpo-27141: Fix collections.UserList and UserDict shallow copy. (GH-4094) 2019-05-19 16:57:13 +03:00
Michael Blahay b1c3167c23 bpo-27639: Correct return type for UserList slicing operation (#13169) 
* BPO-27639: Correct return type for UserList slicing operation

Added logic to __getitem__ magic method for UserList to ensure that the return
type matches that of self.
 2019-05-07 17:41:06 -04:00
Serhiy Storchaka d53cf99dca
bpo-36542: Allow to overwrite the signature for Python functions. (GH-12705) 2019-05-06 22:40:27 +03:00
Slam 76b387bf74 Have UserDict.__init__() implicitly check for updating w/ bool(kwargs) instead of len() (GH-12139) 
Semantically the same, but more idiomatic by checking against `kwargs` instead of `len(kwargs)`.
 2019-04-02 14:47:41 -07:00
Raymond Hettinger 23581c018f
bpo-36321: Fix misspelled attribute in namedtuple() (GH-12375) 2019-03-18 00:27:39 -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 64360ada0f Complete and neaten-up namedtuple's replacement of builtin function lookups with derefs (GH-11794) 2019-02-08 10:37:39 -08:00
Amador Pahim 85d83ec7c9 bpo-35864: fix namedtuple._asdict() docstring (GH-11720) 2019-02-01 12:38:57 -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
Serhiy Storchaka 052b2dfdc9
bpo-32492: Tweak _collections._tuplegetter. (GH-11367) 
* Replace the docstrings cache with sys.intern().
* Improve tests.
* Unify names of tp_descr_get and tp_descr_set functions.
 2018-12-31 14:15:16 +02:00
Pablo Galindo 3f5fc70c62 bpo-32492: 1.6x speed up in namedtuple attribute access using C fast-path (#10495) 
* bpo-32492: 2.5x speed up in namedtuple attribute access using C fast path

* Add News entry

* fixup! bpo-32492: 2.5x speed up in namedtuple attribute access using C fast path

* Check for tuple in the __get__ of the new descriptor and don't cache the descriptor itself

* Don't inherit from property. Implement GC methods to handle __doc__

* Add a test for the docstring substitution in descriptors

* Update NEWS entry to reflect time against 3.7 branch

* Simplify implementation with argument clinic, better error messages, only __new__

* Use positional-only parameters for the __new__

* Use PyTuple_GET_SIZE and PyTuple_GET_ITEM to tighter the implementation of tuplegetterdescr_get

* Implement __set__ to make tuplegetter a data descriptor

* Use Py_INCREF now that we inline PyTuple_GetItem

* Apply the valid_index() function, saving one test

* Move Py_None test out of the critical path.
 2018-12-30 01:24:03 -08:00
Raymond Hettinger dc9bc54899
Clarify that example in comment is about fromkeys() (GH-8141) 2018-07-06 08:52:26 -07:00
Raymond Hettinger 0c4d20bcaa
Add more detail to the Counter.fromkeys() comment block (GH-8124) 2018-07-05 16:36:24 -07:00
Raymond Hettinger 136c8e0795
Code beautification using f-strings (#5618) 2018-02-11 08:00:11 -08:00
Raymond Hettinger 3793f95f98
bpo-32792: Preserve mapping order in ChainMap() (GH-5586) 2018-02-11 00:30:31 -08:00
Serhiy Storchaka c66f9f8d39
bpo-25988: Emit a warning when use or import ABCs from 'collections'. (#5460) 2018-01-31 19:19:33 +02:00
Raymond Hettinger e6d342156d
bpo-25988: Deprecate exposing collections.abc in collections GH-5414 2018-01-29 08:27:49 -08:00
INADA Naoki a49ac99029
bpo-32677: Add .isascii() to str, bytes and bytearray (GH-5342) 2018-01-27 14:06:21 +09:00
Raymond Hettinger 3948207c61
bpo-32320: Add default value support to collections.namedtuple() (#4859) 2018-01-10 21:45:19 -08:00