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* 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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* bpo-16580: [doc] Add examples to int.to_bytes and int.from_bytes (GH-27760)Gautam Chaudhuri2021-08-151-0/+1
| | | | | | | | | | * added code equivs. for to_bytes and from_bytes Based on woparry's patch[1] from the relevant issue thread[2]. [1]: https://bugs.python.org/file30372/issue16580.patch [2]: https://bugs.python.org/issue16580 Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-26228: Fix pty EOF handling (GH-12049)Zephyr Shannon2021-08-111-0/+1
| | | | | | | | | | On non-Linux POSIX platforms, like FreeBSD or macOS, the FD used to read a forked PTY may signal its exit not by raising an error but by sending empty data to the read syscall. This case wasn't handled, leading to hanging `pty.spawn` calls. Co-authored-by: Reilly Tucker Siemens <reilly@tuckersiemens.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* closes bpo-39091: Fix segfault when Exception constructor returns ↵Noah2021-08-031-0/+1
| | | | | non-exception for gen.throw. (#17658) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* bpo-44792: Improve syntax errors for if expressions (GH-27506)Miguel Brito2021-08-021-0/+1
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* bpo-44666: Use default encoding as fallback for compile_file (GH-27236)Stefan Hoelzl2021-07-301-0/+1
| | | | | | | When sys.stdout.encoding is None compile_file will fall back to sys.getdefaultencoding to encode/decode error messages. Co-authored-by: Stefan Hoelzl <stefan.hoelzl@posteo.de> Co-authored-by: Mickaël Schoentgen <contact@tiger-222.fr>
* [Enum] improve test, add andrei kulakov to ACKS (GH-26726)Ethan Furman2021-06-151-0/+1
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* bpo-44357:Add `math.cbrt()` function: Cube Root (GH-26622)Ajith Ramachandran2021-06-101-0/+1
| | | | | | * Add math.cbrt() function: Cube Root Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* Add bpo-42914 to What's New (GH-25124)Wm. Keith van der Meulen2021-06-031-0/+1
| | | | | BPO-42914 was not added to the What's New in #24864. This includes it in the "Improved Modules" section. Automerge-Triggered-By: GH:gpshead
* bpo-43558: Add note about base class initialization to dataclasses doc ↵dhoekstra20002021-05-101-0/+1
| | | | (GH-25967)
* bpo-44059: Register the SerenityOS Browser in the webbrowser module (GH-25947)Linus Groh2021-05-061-0/+1
| | | Automerge-Triggered-By: GH:gpshead
* bpo-32822: Add finally with return/break/continue to the tutorial (#25600)Roberto Hueso2021-05-041-0/+1
| | | | | This documents in the tutorial docs the behavior of a finally clause in case it should re-raise an exception but contains a return/break/continue statement.
* bpo-41100: Update Misc/ACKS (GH-25808)Ned Deily2021-05-021-0/+4
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* bpo-42800: add audit hooks for f_code and tb_frame (GH-24182)Ryan Hileman2021-04-291-0/+1
| | | | | | | | | | Accessing the following attributes will now fire PEP 578 style audit hooks as ("object.__getattr__", obj, name): * PyTracebackObject: tb_frame * PyFrameObject: f_code * PyGenObject: gi_code, gi_frame * PyCoroObject: cr_code, cr_frame * PyAsyncGenObject: ag_code, ag_frame Add an AUDIT_READ attribute flag aliased to READ_RESTRICTED. Update obsolete flag documentation.
* bpo-43938: improve dataclasses.FrozenInstanceError documentation (GH-25603)Llandy Riveron Del Risco2021-04-261-0/+1
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* bpo-38490: statistics: Add covariance, Pearson's correlation, and simple ↵Tymoteusz Wołodźko2021-04-251-0/+1
| | | | | linear regression (#16813) Co-authored-by: Tymoteusz Wołodźko <twolodzko+gitkraken@gmail.com
* bpo-43917: Fix pure python equivalent for classmethod (GH-25544)Raymond Hettinger2021-04-231-1/+2
| | | Reported by Yahor Harunovich.
* bpo-40849: Expose X509_V_FLAG_PARTIAL_CHAIN ssl flag (GH-20463)l0x2021-04-191-0/+1
| | | This short PR exposes an openssl flag that wasn't exposed. I've also updated to doc to reflect the change. It's heavily inspired by 990fcaac3c428569697f62a80fd95ab4d4b93151.
* bpo-36076: Add SNI support to ssl.get_server_certificate. (GH-16820)juhovh2021-04-181-0/+1
| | | | | | | | | | | | | | Many servers in the cloud environment require SNI to be used during the SSL/TLS handshake, therefore it is not possible to fetch their certificates using the ssl.get_server_certificate interface. This change adds an additional optional hostname argument that can be used to set the SNI. Note that it is intentionally a separate argument instead of using the host part of the addr tuple, because one might want to explicitly fetch the default certificate or fetch a certificate from a specific IP address with the specified SNI hostname. A separate argument also works better for backwards compatibility. Automerge-Triggered-By: GH:tiran
* Update ACKS (GH-25423)Ethan Furman2021-04-151-0/+2
| | | | * Add Arseny Boykov * Add Matthias Urlichs
* bpo-43712 : fileinput: Add encoding parameter (GH-25272)Inada Naoki2021-04-141-0/+1
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* bpo-43399: Fix ElementTree.extend not working on iterators (GH-24751)Alex Prengère2021-03-301-0/+1
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* bpo-43420: Simple optimizations for Fraction's arithmetics (GH-24779)Sergey B Kirpichev2021-03-221-0/+1
| | | | | | | bpo-43420: Implement standard transformations in + - * / that can often reduce the size of intermediate integers needed. For rationals with large components, this can yield dramatic speed improvements, but for small rationals can run 10-20% slower, due to increased fixed overheads in the longer-winded code. If those slowdowns turn out to be a problem, see the PR discussion for low-level implementation tricks that could cut other fixed overheads. Co-authored-by: Tim Peters <tim.peters@gmail.com> Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-42603: Add whatsnew and ACKS entries. (GH-24675)Ned Deily2021-03-011-0/+1
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* bpo-42819, readline: Disable bracketed paste (GH-24108)Dustin Rodrigues2021-02-151-0/+1
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* bpo-38250: [Enum] single-bit flags are canonical (GH-24215)Ethan Furman2021-01-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Flag members are now divided by one-bit verses multi-bit, with multi-bit being treated as aliases. Iterating over a flag only returns the contained single-bit flags. Iterating, repr(), and str() show members in definition order. When constructing combined-member flags, any extra integer values are either discarded (CONFORM), turned into ints (EJECT) or treated as errors (STRICT). Flag classes can specify which of those three behaviors is desired: >>> class Test(Flag, boundary=CONFORM): ... ONE = 1 ... TWO = 2 ... >>> Test(5) <Test.ONE: 1> Besides the three above behaviors, there is also KEEP, which should not be used unless necessary -- for example, _convert_ specifies KEEP as there are flag sets in the stdlib that are incomplete and/or inconsistent (e.g. ssl.Options). KEEP will, as the name suggests, keep all bits; however, iterating over a flag with extra bits will only return the canonical flags contained, not the extra bits. Iteration is now in member definition order. If member definition order matches increasing value order, then a more efficient method of flag decomposition is used; otherwise, sort() is called on the results of that method to get definition order. ``re`` module: repr() has been modified to support as closely as possible its previous output; the big difference is that inverted flags cannot be output as before because the inversion operation now always returns the comparable positive result; i.e. re.A|re.I|re.M|re.S is ~(re.L|re.U|re.S|re.T|re.DEBUG) in both of the above terms, the ``value`` is 282. re's tests have been updated to reflect the modifications to repr().
* bpo-42870: Document change in argparse help output. (GH-24190)Tomáš Hrnčiar2021-01-121-0/+1
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* bpo-39068: Fix race condition in base64 (GH-17627)Brandon Stansbury2020-12-311-0/+1
| | | | There was a race condition in base64 in lazy initialization of multiple globals.
* bpo-42669: Document that `except` rejects nested tuples (GH-23822)Colin Watson2020-12-201-0/+1
| | | | | | | | | | | | | In Python 2, it was possible to use `except` with a nested tuple, and occasionally natural. For example, `zope.formlib.interfaces.InputErrors` is a tuple of several exception classes, and one might reasonably think to do something like this: try: self.getInputValue() return True except (InputErrors, SomethingElse): return False As of Python 3.0, this raises `TypeError: catching classes that do not inherit from BaseException is not allowed` instead: one must instead either break it up into multiple `except` clauses or flatten the tuple. However, the reference documentation was never updated to match this new restriction. Make it clear that the definition is no longer recursive. Automerge-Triggered-By: GH:ericvsmith
* Fixed typo in itertools documentation (GH-23816)Casper Smet2020-12-191-0/+1
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* bpo-42615: Delete redundant jump instructions that only bypass empty blocks ↵Om G2020-12-161-0/+1
| | | | | | | | | | | | | | | | | | | | | | | (GH-23733) * Delete jump instructions that bypass empty blocks * Add news entry * Explicitly check for unconditional jump opcodes Using the is_jump function results in the inclusion of instructions like returns for which this optimization is not really valid. So, instead explicitly check that the instruction is an unconditional jump. * Handle conditional jumps, delete jumps gracefully * Ensure b_nofallthrough and b_reachable are valid * Add test for redundant jumps * Regenerate importlib.h and edit Misc/ACKS * Fix bad whitespace
* Added support for negative indexes to PurePath.parents (GH-21799)Yaroslav Pankovych2020-11-231-0/+1
| | | | | | | | | | This commit also fixes up some of the overlapping documentation changed in bpo-35498, which added support for indexing with slices. Fixes bpo-21041. https://bugs.python.org/issue21041 Co-authored-by: Paul Ganssle <p.ganssle@gmail.com> Co-authored-by: Rémi Lapeyre <remi.lapeyre@henki.fr>
* bpo-15450: Allow subclassing of dircmp (GH-23424) (#23424)Nick Crews2020-11-231-0/+1
| | | Co-authored-by: Chris Jerdonek <chris.jerdonek@gmail.com>
* bpo-35498: Added slice support to PathLib parents attribute. (GH-11165)Joshua Cannon2020-11-201-0/+1
| | | Added slice support to the `pathlib.Path.parents` sequence. For a `Path` `p`, slices of `p.parents` should return the same thing as slices of `tuple(p.parents)`.
* bpo-42345: Fix three issues with typing.Literal parameters (GH-23294)Yurii Karabas2020-11-171-0/+1
| | | | | | | Literal equality no longer depends on the order of arguments. Fix issue related to `typing.Literal` caching by adding `typed` parameter to `typing._tp_cache` function. Add deduplication of `typing.Literal` arguments.
* bpo-36310: Allow pygettext.py to detect calls to gettext in f-strings. ↵jack11422020-11-091-0/+1
| | | | | | | (GH-19875) Adds support to Tools/i18n/pygettext.py for gettext calls in f-strings. This process is done by parsing the f-strings, processing each value, and flagging the ones which contain a gettext call. Co-authored-by: Batuhan Taskaya <batuhanosmantaskaya@gmail.com>
* bpo-29981: Add examples and update index for set, dict, and generator ↵Florian Dahlitz2020-10-201-0/+1
| | | | | | comprehensions'(GH-20272) Co-authored-by: Rémi Lapeyre <remi.lapeyre@henki.fr>
* bpo-39693: mention KeyError in tarfile extractfile documentation (GH-18639)Andrey Doroschenko2020-10-201-0/+1
| | | Co-authored-by: Andrey Darascheka <andrei.daraschenka@leverx.com>
* bpo-38912: fix close before connect callback in test_asyncio SSL tests ↵Justin Turner Arthur2020-10-201-0/+1
| | | | | (GH-22691) Reduces the rate at which the ENV CHANGED failure occurs in test_asyncio SSL tests (due to unclosed transport), but does not 100% resolve it.
* bpo-41586: Add pipesize parameter to subprocess & F_GETPIPE_SZ and ↵Ruben Vorderman2020-10-191-0/+1
| | | | | | | | | | | | | | | | | F_SETPIPE_SZ to fcntl. (GH-21921) * Add F_SETPIPE_SZ and F_GETPIPE_SZ to fcntl module * Add pipesize parameter for subprocess.Popen class This will allow the user to control the size of the pipes. On linux the default is 64K. When a pipe is full it blocks for writing. When a pipe is empty it blocks for reading. On processes that are very fast this can lead to a lot of wasted CPU cycles. On a typical Linux system the max pipe size is 1024K which is much better. For high performance-oriented libraries such as xopen it is nice to be able to set the pipe size. The workaround without this feature is to use my_popen_process.stdout.fileno() in conjuction with fcntl and 1031 (value of F_SETPIPE_SZ) to acquire this behavior.
* bpo-41966: Fix pickling pure datetime.time subclasses (GH-22731)scaramallion2020-10-181-0/+1
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* bpo-41876: Overload __repr__ for tkinter Font objects (GH-22450)Anatoliy Platonov2020-10-141-0/+1
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* Revert "bpo-26680: Incorporate is_integer in all built-in and standard ↵Raymond Hettinger2020-10-071-1/+0
| | | | | library numeric types (GH-6121)" (GH-22584) This reverts commit 58a7da9e125422323f79c4ee95ac5549989d8162.
* bpo-41923: PEP 613: Add TypeAlias to typing module (#22532)Mikhail Golubev2020-10-071-0/+1
| | | | | This special marker annotation is intended to help in distinguishing proper PEP 484-compliant type aliases from regular top-level variable assignments.
* bpo-41428: Documentation for PEP 604 (gh-22517)Fidget-Spinner2020-10-051-0/+1
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* bpo-26680: Incorporate is_integer in all built-in and standard library ↵Robert Smallshire2020-10-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | numeric types (GH-6121) * bpo-26680: Adds support for int.is_integer() for compatibility with float.is_integer(). The int.is_integer() method always returns True. * bpo-26680: Adds a test to ensure that False.is_integer() and True.is_integer() are always True. * bpo-26680: Adds Real.is_integer() with a trivial implementation using conversion to int. This default implementation is intended to reduce the workload for subclass implementers. It is not robust in the presence of infinities or NaNs and may have suboptimal performance for other types. * bpo-26680: Adds Rational.is_integer which returns True if the denominator is one. This implementation assumes the Rational is represented in it's lowest form, as required by the class docstring. * bpo-26680: Adds Integral.is_integer which always returns True. * bpo-26680: Adds tests for Fraction.is_integer called as an instance method. The tests for the Rational abstract base class use an unbound method to sidestep the inability to directly instantiate Rational. These tests check that everything works correct as an instance method. * bpo-26680: Updates documentation for Real.is_integer and built-ins int and float. The call x.is_integer() is now listed in the table of operations which apply to all numeric types except complex, with a reference to the full documentation for Real.is_integer(). Mention of is_integer() has been removed from the section 'Additional Methods on Float'. The documentation for Real.is_integer() describes its purpose, and mentions that it should be overridden for performance reasons, or to handle special values like NaN. * bpo-26680: Adds Decimal.is_integer to the Python and C implementations. The C implementation of Decimal already implements and uses mpd_isinteger internally, we just expose the existing function to Python. The Python implementation uses internal conversion to integer using to_integral_value(). In both cases, the corresponding context methods are also implemented. Tests and documentation are included. * bpo-26680: Updates the ACKS file. * bpo-26680: NEWS entries for int, the numeric ABCs and Decimal. Co-authored-by: Robert Smallshire <rob@sixty-north.com>
* bpo-41842: Add codecs.unregister() function (GH-22360)Hai Shi2020-09-281-0/+1
| | | | Add codecs.unregister() and PyCodec_Unregister() functions to unregister a codec search function.