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* gh-84538: add strict argument to pathlib.PurePath.relative_to (GH-19813)domragusa2022-10-281-0/+1
| | | | | | | | | | | | | | | | | | | | | | | By default, :meth:`pathlib.PurePath.relative_to` doesn't deal with paths that are not a direct prefix of the other, raising an exception in that instance. This change adds a *walk_up* parameter that can be set to allow for using ``..`` to calculate the relative path. example: ``` >>> p = PurePosixPath('/etc/passwd') >>> p.relative_to('/etc') PurePosixPath('passwd') >>> p.relative_to('/usr') Traceback (most recent call last): File "<stdin>", line 1, in <module> File "pathlib.py", line 940, in relative_to raise ValueError(error_message.format(str(self), str(formatted))) ValueError: '/etc/passwd' does not start with '/usr' >>> p.relative_to('/usr', strict=False) PurePosixPath('../etc/passwd') ``` https://bugs.python.org/issue40358 Automerge-Triggered-By: GH:brettcannon
* gh-95023: Added os.setns and os.unshare functions (#95046)Noam Cohen2022-10-201-0/+1
| | | | | | | | Added os.setns and os.unshare to easily switch between namespaces on Linux. Co-authored-by: Christian Heimes <christian@python.org> Co-authored-by: CAM Gerlach <CAM.Gerlach@Gerlach.CAM> Co-authored-by: Victor Stinner <vstinner@python.org>
* I changed my surname early this year (#96671)Tshepang Mbambo2022-10-051-1/+1
| | | | | * I recently changed my name * Update ACKS
* gh-97816: Remove unused variables in `mutliprocessing.managers.Server` (#97817)Koki Saito2022-10-041-0/+1
| | | Remove unused local variables.
* gh-96348: Deprecate the 3-arg signature of coroutine.throw and ↵Ofey Chan2022-09-301-0/+1
| | | | generator.throw (GH-96428)
* gh-90467: StreamReaderProtocol - add strong reference to created task (#96323)Kirill2022-08-271-0/+2
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* GH-96179: Fix misleading example on the bisect documentation (GH-96228)prego2022-08-241-0/+1
| | | | The `movies[bisect(movies, 1960, key=by_year)]` will actually return only movies **after** 1960.
* gh-90536: Add support for the BOLT post-link binary optimizer (gh-95908)Kevin Modzelewski2022-08-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add support for the BOLT post-link binary optimizer Using [bolt](https://github.com/llvm/llvm-project/tree/main/bolt) provides a fairly large speedup without any code or functionality changes. It provides roughly a 1% speedup on pyperformance, and a 4% improvement on the Pyston web macrobenchmarks. It is gated behind an `--enable-bolt` configure arg because not all toolchains and environments are supported. It has been tested on a Linux x86_64 toolchain, using llvm-bolt built from the LLVM 14.0.6 sources (their binary distribution of this version did not include bolt). Compared to [a previous attempt](https://github.com/faster-cpython/ideas/issues/224), this commit uses bolt's preferred "instrumentation" approach, as well as adds some non-PIE flags which enable much better optimizations from bolt. The effects of this change are a bit more dependent on CPU microarchitecture than other changes, since it optimizes i-cache behavior which seems to be a bit more variable between architectures. The 1%/4% numbers were collected on an Intel Skylake CPU, and on an AMD Zen 3 CPU I got a slightly larger speedup (2%/4%), and on a c6i.xlarge EC2 instance I got a slightly lower speedup (1%/3%). The low speedup on pyperformance is not entirely unexpected, because BOLT improves i-cache behavior, and the benchmarks in the pyperformance suite are small and tend to fit in i-cache. This change uses the existing pgo profiling task (`python -m test --pgo`), though I was able to measure about a 1% macrobenchmark improvement by using the macrobenchmarks as the training task. I personally think that both the PGO and BOLT tasks should be updated to use macrobenchmarks, but for the sake of splitting up the work this PR uses the existing pgo task. * Simplify the build flags * Add a NEWS entry * Update Makefile.pre.in Co-authored-by: Dong-hee Na <donghee.na92@gmail.com> * Update configure.ac Co-authored-by: Dong-hee Na <donghee.na92@gmail.com> * Add myself to ACKS * Add docs * Other review comments * fix tab/space issue * Make it more clear that --enable-bolt is experimental * Add link to bolt's github page Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>
* gh-95804: Respect MemoryHandler.flushOnClose in logging shutdown. (GH-95857)David Bonner2022-08-101-0/+1
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* gh-95504: Fix negative numbers in PyUnicode_FromFormat (GH-95848)Petr Viktorin2022-08-101-1/+1
| | | Co-authored-by: philg314 <110174000+philg314@users.noreply.github.com>
* gh-93649: Split unicode tests from _testcapimodule.c & add some more (GH-95819)Petr Viktorin2022-08-101-0/+1
| | | | | | - Move PyUnicode tests to a separate file - Add some more tests for PyUnicode_FromFormat Co-authored-by: philg314 <110174000+philg314@users.noreply.github.com>
* gh-95423: Update winreg.DeleteKeyEx documentation and remove dynamic ↵Derek Kim2022-08-031-0/+1
| | | | function load (GH-95521)
* gh-87822: Make traceback module robust to exceptions from repr() of local ↵Simon-Martin Schröder2022-07-111-0/+1
| | | | values (GH-94691)
* gh-79009: sqlite3.iterdump now correctly handles tables with autoincrement ↵itssme2022-06-191-0/+1
| | | | | (#9621) Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-93370: Deprecate sqlite3.version and sqlite3.version_info (#93482)Kalyan2022-06-071-0/+1
| | | | | Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com> Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com> Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-57539: Increase calendar test coverage (GH-93468)Hugo van Kemenade2022-06-071-0/+1
| | | | | Co-authored-by: Sean Fleming Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* gh-93065: Fix HAMT to iterate correctly over 7-level deep trees (GH-93066)Yury Selivanov2022-05-231-0/+1
| | | | | | | Also while there, clarify a few things about why we reduce the hash to 32 bits. Co-authored-by: Eli Libman <eli@hyro.ai> Co-authored-by: Yury Selivanov <yury@edgedb.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* Add __class_getitem__ to csv.DictReader and csv.DictWriter (#92393)Marc Mueller2022-05-081-0/+1
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* gh-78157: [Enum] nested classes will not be members in 3.13 (GH-92366)Ethan Furman2022-05-061-0/+1
| | | | | | | - add member() and nonmember() functions - add deprecation warning for internal classes in enums not becoming members in 3.13 Co-authored-by: edwardcwang
* gh-91996: Add an HTTPMethod StrEnum to http (GH-91997)cibofo2022-05-051-0/+1
| | | | | | | * Add HTTPMethod enum to http Create a StrEnum for the 9 common HTTP methods. Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
* bpo-43827: Make arguments to abc.ABCMeta.__new__ pos-only (#25385)Vlad Hoi2022-05-051-0/+1
| | | To avoid conflicts with `__init__subclass__`.
* gh-91928: Add `datetime.UTC` alias for `datetime.timezone.utc` (GH-91973)Kabir Kwatra2022-05-031-0/+1
| | | | | | | | | ### fixes #91928 `UTC` is now module attribute aliased to `datetime.timezone.utc`. You can now do the following: ```python from datetime import UTC ```
* gh-70363: Implement `io.IOBase` interface for `SpooledTemporaryFile` (GH-29560)Carey Metcalfe2022-05-031-0/+1
| | | | | | | | | | | | | | | | Since the underlying file-like objects (either `io.BytesIO`, or a true file object) all implement the `io.IOBase` interface, the `SpooledTemporaryFile` should as well. Additionally, since the underlying file object will either be an instance of an `io.BufferedIOBase` (for binary mode) or an `io.TextIOBase` (for text mode), methods for these classes were also implemented. In every case, the required methods and properties are simply delegated to the underlying file object. Co-authored-by: Gary Fernie <Gary.Fernie@skyscanner.net> Co-authored-by: Inada Naoki <songofacandy@gmail.com>
* bpo-46785: Fix race condition between os.stat() and unlink on Windows (GH-31858)Itai Steinherz2022-05-021-0/+1
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* Revert "gh-85567: Register a cleanup function to close files for FileType ↵Victor Stinner2022-04-211-1/+0
| | | | | objects in argparse (#32257)" (#91771) This reverts commit 328dbc051f84bd5fdf61101bb4fa61d85f8b7feb.
* gh-85567: Register a cleanup function to close files for FileType objects in ↵achhina2022-04-181-0/+1
| | | | | | | argparse (#32257) * bpo-41395: Register a cleanup function to close files for FileType objects in argparse * Added import as top level import, and renamed file as fh.
* bpo-41233: Add links to errnos referenced in exceptions docs (GH-21380)yyyyyyyan2022-04-051-0/+1
| | | | Co-authored-by: Andrew Kuchling <amk@amk.ca> Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
* bpo-46484:Add test for Calendar.iterweekdays (GH-30825)1809092022-04-041-0/+1
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* bpo-14265: Adds fully qualified test name to unittest output (GH-32138)Sam Ezeh2022-03-291-0/+1
| | | Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
* bpo-31582: Created a new documentation section describing sys.path ↵Russel Webber2022-03-231-0/+1
| | | | initialization (GH-31082)
* bpo-433030: Add support of atomic grouping in regular expressions (GH-31982)Serhiy Storchaka2022-03-211-0/+1
| | | | | | | | * Atomic grouping: (?>...). * Possessive quantifiers: x++, x*+, x?+, x{m,n}+. Equivalent to (?>x+), (?>x*), (?>x?), (?>x{m,n}). Co-authored-by: Jeffrey C. Jacobs <timehorse@users.sourceforge.net>
* bpo-46421: Fix unittest filename evaluation when called as a module (GH-30654)Bader Zaidan2022-03-171-0/+1
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* bpo-39829: Fix `__len__()` is called twice in list() constructor (GH-31816)Crowthebird2022-03-141-1/+1
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* bpo-46581: Propagate private vars via _GenericAlias.copy_with (GH-31061)Matt Bogosian2022-03-101-0/+1
| | | | | | | | | | GH-26091 added the _typevar_types and _paramspec_tvars instance variables to _GenericAlias. However, they were not propagated consistently. This commit addresses the most prominent deficiency identified in bpo-46581 (namely their absence from _GenericAlias.copy_with), but there could be others. Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-43292: Fix file leak in `ET.iterparse()` when not exhausted (GH-31696)Jacob Walls2022-03-071-0/+1
| | | Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-45735: Promise the long-time truth that `args=list` works (GH-30982)Charlie Zhao2022-02-261-0/+1
| | | | | | For threads, and for multiprocessing, it's always been the case that ``args=list`` works fine when passed to ``Process()`` or ``Thread()``, and such code is common in the wild. But, according to the docs, only a tuple can be used. This brings the docs into synch with reality. Doc changes by Charlie Zhao. Co-authored-by: Tim Peters <tim.peters@gmail.com>
* bpo-39327: Close file descriptors as soon as possible in shutil.rmtree ↵Lital Natan2022-02-201-0/+1
| | | | | | | | | (GH-31384) It fixes the "Text File Busy" OSError when using 'rmtree' on a windows-managed filesystem in via the VirtualBox shared folder (and possible other scenarios like a windows-managed network file system).
* bpo-46333: Honor `module` parameter in ForwardRef (GH-30536)aha792022-02-171-0/+1
| | | | | | | | | The `module` parameter carries semantic information about the forward ref. Forward refs are different if they refer to different module even if they have the same name. This affects the `__eq__`, `__repr__` and `__hash__` methods. Co-authored-by: Andreas Hangauer <andreas.hangauer@siemens.com> Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com> Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com>
* bpo-46066: Deprecate kwargs syntax for TypedDict definitions (GH-31126)97littleleaf112022-02-171-0/+1
| | | | | | Closes python/typing#981 https://bugs.python.org/issue46066
* bpo-46730: Add more info to @property AttributeError messages (GH-31311)Alex-Blade2022-02-161-0/+1
| | | On `obj.read_only_property = x`, raise `AttributeError: property 'read_only_property' of 'A' object has no setter`.
* bpo-46407: Optimizing some modulo operations (GH-30653)Crowthebird2022-01-281-0/+1
| | | | | | | Added new internal functions to compute mod without also computing the quotient. The loops can be leaner then, which leads to modestly but reliably faster execution in contexts that know they don't need the quotient. Code by Jeremiah Vivian (Pascual).
* bpo-46434: Handle missing docstrings in pdb help (GH-30705)Tom Sparrow2022-01-211-0/+1
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* bpo-45554: Document multiprocessing.Process.exitcode values (GH-30142)John Marshall2022-01-181-0/+1
| | | | | This addresses [bpo-45554]() by expanding the `exitcode` documentation to also describe what `exitcode` will be in cases of normal termination, `sys.exit()` called, and on uncaught exceptions. Automerge-Triggered-By: GH:pitrou
* bpo-46297: Fix interpreter crash on startup with multiple PythonPaths set in ↵Daniel2022-01-071-0/+1
| | | | registry (GH-30466)
* bpo-46055: Speed up binary shifting operators (GH-30044)Xinhang Xu2021-12-271-0/+1
| | | Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-45917: Add math.exp2() method - return 2 raised to the power of x (GH-29829)Gideon2021-11-291-0/+1
| | | Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-44904: Fix classmethod property bug in doctest module (GH-28838)Alex Waygood2021-10-281-0/+1
| | | | | | | | The doctest module raised an error if a docstring contained an example that attempted to access a classmethod property. (Stacking '@classmethod' on top of `@property` has been supported since Python 3.9; see https://docs.python.org/3/howto/descriptor.html#class-methods.) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-45012: Release GIL around stat in os.scandir (GH-28085)Stanisław Skonieczny2021-09-071-0/+1
| | | | | Releasing GIL allows other threads to continue its work when os.scandir is fetching DirEntry.stat info from file system.
* bpo-45034: Fix how upper limit is formatted for `struct.pack("H", ...)` ↵Nikita Sobolev2021-09-071-0/+1
| | | | | | (GH-28178) Co-authored-by: Mark Dickinson <dickinsm@gmail.com> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* Update ACKS (GH-27988)Soumendra Ganguly2021-08-271-0/+1
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