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* [3.10] bpo-44654: Refactor and clean up the union type implementation ↵Miss Islington (bot)2021-07-178-120/+85
| | | | | | (GH-27196) (GH-27219) (cherry picked from commit 0fd27375cabd12e68a2f12cfeca11a2d5043429e)
* [3.10] bpo-44490: Add __parameters__ and __getitem__ to types.Union ↵Serhiy Storchaka2021-07-175-19/+102
| | | | | | | | | | | (GH-26980) (GH-27207) Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com> Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>. (cherry picked from commit c45fa1a5d9b419cf13ad4b5a7cb453956495b83e) Co-authored-by: Yurii Karabas <1998uriyyo@gmail.com> Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
* Replace @ilevkivskyi with @Fidget-Spinner as typing code owner (GH-27210) ↵Miss Islington (bot)2021-07-171-1/+1
| | | | | | | (#27212) (cherry picked from commit 311ee83adb40a9b549af8e0b546a787e8eb01f5d) Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-41249: Fix postponed annotations for TypedDict (GH-27017) (#27204)Miss Islington (bot)2021-07-174-7/+43
| | | | | | | | | | This fixes TypedDict to work with get_type_hints and postponed evaluation of annotations across modules. This is done by adding the module name to ForwardRef at the time the object is created and using that to resolve the globals during the evaluation. Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com> (cherry picked from commit 889036f7ef7290ef15b6c3373023f6a35387af0c) Co-authored-by: Germán Méndez Bravo <german.mb@gmail.com>
* bpo-44655: Include the name of the type in unset __slots__ attribute errors ↵Miss Islington (bot)2021-07-173-4/+17
| | | | | | | | | (GH-27199) (GH-27201) (cherry picked from commit f783428a2313a729ca8b539c5a86ff114b9ff375) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com> Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* bpo-44655: Don't include suggestions for attributes that are the same as the ↵Miss Islington (bot)2021-07-163-0/+17
| | | | | | | missing one (GH-27197) (GH-27198) (cherry picked from commit 6714dec5e104bdee4a0ed4d9966de27d1bfa1e3d) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* Revert "bpo-44645: Check for interrupts on any potentially backwards edge. ↵Miss Islington (bot)2021-07-162-31/+1
| | | | | | | | (GH-27167)" (GH-27194) (#27195) This reverts commit 000e70ad5246732fcbd27cf59268185cbd5ad734. (cherry picked from commit c90c591e5158ab7b531dcd6e2a5f00bc70ba7637) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* bpo-44647: Add a permanent Unicode-valued env var to regrtest (GH-27187) ↵Miss Islington (bot)2021-07-163-1/+23
| | | | | | | (#27191) (cherry picked from commit 7915c96ffd7ddc5cb6d54015ee4c31255a416892) Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* [3.10] bpo-44652: Preserve natural order of args in the union type. ↵Serhiy Storchaka2021-07-163-11/+39
| | | | | | | (GH-27185) (GH-27190) (cherry picked from commit 0cd2d51aadcd2a0c0739a5df0a6235d64f35619e) Automerge-Triggered-By: GH:ambv
* bpo-40897:Give priority to using the current class constructor in ↵Miss Islington (bot)2021-07-163-8/+59
| | | | | | | | `inspect.signature` (GH-27177) (#27189) Co-authored-by: Łukasz Langa <lukasz@langa.pl> (cherry picked from commit 6aab5f9bf303a8e4cd8377fabcdcb499e0541f9a) Co-authored-by: Weipeng Hong <hongweichen8888@sina.com>
* [3.10] bpo-44636: Collapse union of equal types (GH-27178) (GH-27181)Serhiy Storchaka2021-07-163-9/+20
| | | | | | | | The result of `int | int` is now `int`. Fix comparison of the union type with non-hashable objects. `int | str == {}` no longer raises a TypeError. (cherry picked from commit d9f923280f204204f8703756aef4f655b579b4b8)
* bpo-44626: Merge basic blocks earlier to enable better handling of exit ↵Mark Shannon2021-07-165-3827/+3893
| | | | | blocks without line numbers (GH-27138) (GH-27182) (cherry picked from commit a86f7dae0acf918d54086cb85e5a0b0bedeedce7)
* [3.10] bpo-44645: Check for interrupts on any potentially backwards edge. ↵Mark Shannon2021-07-162-1/+31
| | | | | | | (GH-27167) (GH-27183) (cherry picked from commit 000e70ad5246732fcbd27cf59268185cbd5ad734) Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-44646: Fix the hash of the union type. (GH-27179) (#27180)Miss Islington (bot)2021-07-163-4/+12
| | | | | | | | | It no longer depends on the order of arguments. hash(int | str) == hash(str | int) Co-authored-by: Jack DeVries <58614260+jdevries3133@users.noreply.github.com> (cherry picked from commit aeaa553d650786afc6e68df1f4813ae1a5b71d05) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-44184: Apply GH-26274 to the non-GC-type branch of subtype_dealloc ↵Miss Islington (bot)2021-07-151-3/+11
| | | | | | | | | | | (GH-27165) (GH-27174) The non-GC-type branch of subtype_dealloc is using the type of an object after freeing in the same unsafe way as GH-26274 fixes. (I believe the old news entry covers this change well enough.) https://bugs.python.org/issue44184 (cherry picked from commit 074e7659f208051b6b973f7fdb654dd22b93aaa2) Co-authored-by: T. Wouters <thomas@python.org>
* bpo-44647: Fix test_httpservers failing on Unicode characters in os.environ ↵Miss Islington (bot)2021-07-151-4/+13
| | | | | | | | on Windows (GH-27161) (#27169) GH-23638 introduced a new test for Accept: headers in CGI HTTP servers. This test serializes all of os.environ on the server side. For non-UTF8 locales this can fail for some Unicode characters found in environment variables. This change fixes the HTTP_ACCEPT test. (cherry picked from commit 82b218f36ce6ef910bda5af227a9fd5be613c94f) Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-44622: Set line number of END_ASYNC_FOR to match that of iterator. ↵Mark Shannon2021-07-152-2/+14
| | | | | (GH-27160) (GH-27163) (cherry picked from commit f333ab0f2edec26a769ed558263ac662e5475451)
* bpo-42073: allow classmethod to wrap other classmethod-like descriptors ↵Miss Islington (bot)2021-07-153-1/+89
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (GH-27115) (GH-27162) Patch by Erik Welch. bpo-19072 (GH-8405) allows `classmethod` to wrap other descriptors, but this does not work when the wrapped descriptor mimics classmethod. The current PR fixes this. In Python 3.8 and before, one could create a callable descriptor such that this works as expected (see Lib/test/test_decorators.py for examples): ```python class A: @myclassmethod def f1(cls): return cls @classmethod @myclassmethod def f2(cls): return cls ``` In Python 3.8 and before, `A.f2()` return `A`. Currently in Python 3.9, it returns `type(A)`. This PR make `A.f2()` return `A` again. As of GH-8405, classmethod calls `obj.__get__(type)` if `obj` has `__get__`. This allows one to chain `@classmethod` and `@property` together. When using classmethod-like descriptors, it's the second argument to `__get__`--the owner or the type--that is important, but this argument is currently missing. Since it is None, the "owner" argument is assumed to be the type of the first argument, which, in this case, is wrong (we want `A`, not `type(A)`). This PR updates classmethod to call `obj.__get__(type, type)` if `obj` has `__get__`. Co-authored-by: Erik Welch <erik.n.welch@gmail.com> (cherry picked from commit b83861f0265e07207a6ae2c49c40fa8f447893f2)
* Fix osx_framework_user include to match distutils (GH-27093) (GH-27159)Miss Islington (bot)2021-07-152-1/+3
| | | | | (cherry picked from commit 28544609cb2a79d8d7ea5a54714d723669ef2adb) Co-authored-by: Tzu-ping Chung <uranusjr@gmail.com>
* bpo-44632: Fix support of TypeVar in the union type (GH-27139) (GH-27143)Miss Islington (bot)2021-07-152-2/+8
| | | | | | | | int | TypeVar('T') returns now an instance of types.Union instead of typing.Union. (cherry picked from commit a158b20019b50e3ece6e4743ec4e6ae8d818b690) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.10] bpo-44635: Convert None to NoneType in the union type constructor ↵Serhiy Storchaka2021-07-153-9/+21
| | | | | | (GH-27136). (GH-27142) (cherry picked from commit b81cac05606c84958b52ada09f690463a3c7e949)
* [3.10] bpo-44589: raise a SyntaxError when mapping patterns have duplicate ↵Miss Islington (bot)2021-07-154-19/+82
| | | | | | | | | | literal keys (GH-27131) (GH-27157) (cherry picked from commit 2693132292b2acf381ac6fa729bf3acf41d9d72b) Co-authored-by: Jack DeVries <58614260+jdevries3133@users.noreply.github.com> Automerge-Triggered-By: GH:brandtbucher
* bpo-34932: Add socket.TCP_KEEPALIVE for macOS (GH-25079)Miss Islington (bot)2021-07-144-0/+14
| | | | | (cherry picked from commit d59d7374a364c4e5c2b9a83d8e4543ee494285b8) Co-authored-by: Shane Harvey <shnhrv@gmail.com>
* [3.10] Fix docstring typo in ↵Erlend Egeberg Aasland2021-07-144-8/+8
| | | | | | | | sqlite3.Connection.executescript/sqlite3.Cursor.executescript (GH-27147) (GH-27151) Both `executescript` methods contain the same docstring typo: _"Executes a multiple SQL statements at once."_ => _"Executes multiple SQL statements at once."_ Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
* bpo-44639: fix typo in sqlite.rst (transation => transaction) (GH-27145) ↵Miss Islington (bot)2021-07-141-1/+1
| | | | | | | | | | | | | | (GH-27148) To my understanding, this is supposed to say "transaction". See the relevant source: https://github.com/python/cpython/blob/a158b20019b50e3ece6e4743ec4e6ae8d818b690/Modules/_sqlite/connection.cGH-L1434-L1467 (cherry picked from commit 1ca27f264730abaaa48b3c5e7c6eafb45017b824) Co-authored-by: Jack DeVries <58614260+jdevries3133@users.noreply.github.com> Co-authored-by: Jack DeVries <58614260+jdevries3133@users.noreply.github.com>
* [3.10] Add release highlights for the 3.10 what's new document (GH-27150) ↵Pablo Galindo Salgado2021-07-141-1/+29
| | | | | | | (GH-27152) (cherry picked from commit 2b47af63982e4ccc09ae14c7c66ba115804bbbf6) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* bpo-44616: Mark all clean up instructions at end of named exception block as ↵Mark Shannon2021-07-142-3/+25
| | | | | artificial (GH-27109) (GH-27135) (cherry picked from commit e5862f79c16e28f1ec51d179698739a9b2d8c1d2)
* bpo-44608: Fix memory leak in _tkinter._flatten() (GH-27107)Miss Islington (bot)2021-07-143-2/+12
| | | | | | if it is called with a sequence or set, but not list or tuple. (cherry picked from commit f572cbf1faab33d9afbbe3e95738ed6fbe6e48e6) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-44606: Fix __instancecheck__ and __subclasscheck__ for the union type. ↵Miss Islington (bot)2021-07-143-6/+55
| | | | | | | | | | | | (GH-27120) * Fix issubclass() for None. E.g. issubclass(type(None), int | None) returns now True. * Fix issubclass() for virtual subclasses. E.g. issubclass(dict, int | collections.abc.Mapping) returns now True. * Fix crash in isinstance() if the check for one of items raises exception. (cherry picked from commit 81989058de381108dfd0a4255b93d4fb34417002) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.10] bpo-44630: Fix assertion errors in csv module (GH-27127) (GH-27129)Miss Islington (bot)2021-07-132-4/+14
| | | | | | | | | | | | | | | | | | | Fix incorrect handling of exceptions when interpreting dialect objects in the csv module. Not clearing exceptions between calls to PyObject_GetAttrString() causes assertion failures in pydebug mode (or with assertions enabled). Add a minimal test that would've caught this (passing None as dialect, or any object that isn't a csv.Dialect subclass, which the csv module allows and caters to, even though it is not documented.) In pydebug mode, the test triggers the assertion failure in the old code. Contributed-By: T. Wouters [Google] (cherry picked from commit 0093876328afa330224c9d887c18dee0b3117852) Co-authored-by: T. Wouters <thomas@python.org> Automerge-Triggered-By: GH:gpshead
* bpo-44572: On Windows, disconnect STDIN in platform._syscmd_ver() to prevent ↵Miss Islington (bot)2021-07-132-0/+2
| | | | | | | erroneous STDIN consumption (GH-27092) (GH-27124) (cherry picked from commit 0ee0a740e12ec8568aafa033aa6bb08b265afe26) Co-authored-by: Konstantin-Glukhov <glukhov.k@gmail.com>
* bpo-43126: Expand docs on io.IOBase.readlines() method (GH-27061) (GH-27113)Miss Islington (bot)2021-07-131-0/+3
| | | | | | Co-authored-by: Łukasz Langa <lukasz@langa.pl> (cherry picked from commit 3b5b99da4b256a31933112f4a2385386149c19e1) Co-authored-by: andrei kulakov <andrei.avk@gmail.com>
* bpo-38741: Definition of multiple ']' in header configparser (GH-17129) (#27110)Miss Islington (bot)2021-07-133-1/+9
| | | | | | | Co-authored-by: Jason Killen <jason.killen@windsorcircle.com> Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> (cherry picked from commit 2924bb1a566977efd45f335d6a94cd84d8047edf) Co-authored-by: jsnklln <jsnklln@gmail.com>
* bpo-44514: Add doctest testcleanup for configparser and bz2 (GH-26909) ↵Miss Islington (bot)2021-07-132-0/+10
| | | | | | | | | | (GH-27112) Add testcleanup section to configparser and bz2 documentation which removes temporary files created in the filesystem when 'make doctest' is run. (cherry picked from commit 48a5aa7f128caf5a46e4326c1fd285cd5fc8e59d) Co-authored-by: Kevin Follstad <kfollstad@gmail.com>
* bpo-44472: Fix ltrace functionality when exceptions are raised (GH-26822) ↵Miss Islington (bot)2021-07-132-0/+4
| | | | | | | | | (GH-26830) (cherry picked from commit 06cda808f149fae9b4c688f752b6eccd0d455ba4) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com> Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-44613: Make importlib.metadata non-provisional (GH-27101) (#27106)Miss Islington (bot)2021-07-132-4/+3
| | | | | | | | | * importlib.metadata is no longer provisional as of 3.10 * Add NEWS entry (cherry picked from commit f6954cdfc50060a54318fb2aea4d80408381243a) Co-authored-by: Barry Warsaw <barry@python.org> Co-authored-by: Barry Warsaw <barry@python.org>
* [Enum] add news entry for enum module reversion (GH-27099)Ethan Furman2021-07-121-0/+1
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* bpo-42194: Add "New in version: 3.9" to argparse.BooleanOptionalAction ↵Miss Islington (bot)2021-07-121-0/+2
| | | | | | | (GH-23026) (#27097) (cherry picked from commit da2e673c53974641a0e13941950e7976bbda64d5) Co-authored-by: David Sanders <shang.xiao.sanders@gmail.com>
* bpo-26329: update os.path.normpath documentation (GH-20138) (GH-27094)Miss Islington (bot)2021-07-122-0/+9
| | | | | (cherry picked from commit 66c5853406bbcccecf35372795078c0641a5f385) Co-authored-by: Furkan Onder <furkanonder@protonmail.com>
* bpo-29753: revert 0d7ad9f (GH-19850) (GH-27085)Miss Islington (bot)2021-07-112-90/+8
| | | | | | | | This reverts commit 0d7ad9fb38c041c46094087b0cf2c8ce44916b11 as it has a regression. See https://github.com/python/cpython/pull/19850GH-issuecomment-869410686 (cherry picked from commit e14d5ae5447ae28fc4828a9cee8e9007f9c30700) Co-authored-by: Filipe Laíns <lains@archlinux.org>
* bpo-43219: shutil.copyfile, raise a less confusing exception instead of ↵Miss Islington (bot)2021-07-103-21/+42
| | | | | | | | IsADirectoryError (GH-27049) Fixes the misleading IsADirectoryError to be FileNotFoundError. (cherry picked from commit 248173cc0483a9ad9261353302f1234cf9eb2ebe) Co-authored-by: andrei kulakov <andrei.avk@gmail.com>
* Post 3.10.0b4Pablo Galindo2021-07-101-1/+1
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* Python 3.10.0b4v3.10.0b4Pablo Galindo2021-07-1047-89/+441
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* bpo-44317: Improve tokenizer errors with more informative locations ↵Miss Islington (bot)2021-07-103-20/+57
| | | | | | | (GH-26555) (GH-27079) (cherry picked from commit f24777c2b329974b69d2a3bf5cfc37e0fcace36c) Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
* [3.10] bpo-43897: ast validation for pattern matching nodes (GH-27074)Batuhan Taskaya2021-07-102-32/+265
| | | | | (cherry picked from commit 8dcb7d98086888230db94a1eb07bae1b5db82bc9) Co-authored-by: Batuhan Taskaya <batuhan@python.org>
* Doc: Fix wrong exception used in example. (GH-26572)Miss Islington (bot)2021-07-091-1/+1
| | | | | (cherry picked from commit 15f0fc571c1fbc84b6b74dfeb373ca3d35e4c5d7) Co-authored-by: Julien Palard <julien@palard.fr>
* bpo-44570: Fix line tracing for forward jumps to duplicated tails (GH-27067)Mark Shannon2021-07-083-21/+50
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* [3.10] bpo-44446: support lineno being None in traceback.FrameSummary ↵Pablo Galindo2021-07-083-3/+9
| | | | | | | | | | | | | (GH-26781) (GH-27072) As of 088a15c49d99ecb4c3bef93f8f40dd513c6cae3b, lineno is None instead of -1 if there is no line number. Signed-off-by: Filipe Laíns <lains@riseup.net>. (cherry picked from commit 91a8f8c16ca9a7e2466a8241d9b41769ef97d094) Co-authored-by: Filipe Laíns <lains@riseup.net> Co-authored-by: Filipe Laíns <lains@riseup.net>
* bpo-44582: Accelerate mimetypes.init on Windows with a native accelerator ↵Miss Islington (bot)2021-07-085-7/+189
| | | | | | | (GH-27059) (cherry picked from commit bbf2fb6c7ae78f40483606f467739a58cd747270) Co-authored-by: Steve Dower <steve.dower@python.org>
* docs: add the word 'official' (GH-26849)Miss Islington (bot)2021-07-081-1/+1
| | | | | (cherry picked from commit af4a2dcc40321de49bffec80bf6c6b5a7d43b134) Co-authored-by: Ned Batchelder <ned@nedbatchelder.com>
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