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* bpo-39576: Clarify the word size for the 32-bit build. (#18616)Stefan Krah2020-02-231-2/+2
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* bpo-39648: Expand math.gcd() and math.lcm() to handle multiple arguments. ↡Serhiy Storchaka2020-02-236-175/+171
| | | | | | | | | | | | | | | | (GH-18604) * bpo-39648: Expand math.gcd() and math.lcm() to handle multiple arguments. * Simplify fast path. * Difine lcm() without arguments returning 1. * Apply suggestions from code review Co-Authored-By: Mark Dickinson <dickinsm@gmail.com> Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-17422: Language reference should specify restrictions on class namespace ↡ananthan-1232020-02-222-2/+5
| | | | | (#18559) The language reference now specifies restrictions on class namespaces. Adapted from a patch by Ethan Furman.
* bpo-39382: Avoid dangling object use in abstract_issubclass() (GH-18530)Yonatan Goldschmidt2020-02-224-3/+34
| | | | | Hold reference of __bases__ tuple until tuple item is done with, because by dropping the reference the item may be destroyed.
* bpo-39576: docs: set context for decimal arbitrary precision arithmetic (#18594)Stefan Krah2020-02-211-8/+58
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* bpo-35950: Raise UnsupportedOperation in BufferedReader.truncate() (GH-18586)Berker Peksag2020-02-214-5/+25
| | | | | | | | | | | | | | | The truncate() method of io.BufferedReader() should raise UnsupportedOperation when it is called on a read-only io.BufferedReader() instance. https://bugs.python.org/issue35950 Automerge-Triggered-By: @methane
* fix(doc): set correct RST syntax for c:function (GH-18589)Julien Danjou2020-02-211-2/+2
| | | The current content is not rendered since the syntax is not correct.
* bpo-35727: Use exit code 0 on sys.exit() in multiprocessing.Process. (GH-11538)Christopher Hunt2020-02-214-11/+22
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* Reuse identifier of PREDICT macros as PREDICT_ID (GH-17155)Denis Chernikov2020-02-211-5/+7
| | | | In function `_PyEval_EvalFrameDefault`, macros PREDICT and PREDICTED use the same identifier creation scheme, which may be shared between them, reducing code repetition, and do ensure that the same identifier is generated.
* bpo-9495: avoid confusing chained exception in argparse test (GH-17120)alclarks2020-02-212-1/+3
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* bpo-38657: Clarify numeric padding behaviour in string formatting (GH-17036)Pete Wicken2020-02-201-2/+3
| | | | | | | | | | | Make the definition of the width more explicit that it includes any extra signs added by other options. https://bugs.python.org/issue38657 Automerge-Triggered-By: @Mariatta
* closes bpo-39684: Combine two if/thens and squash uninit var warning. (GH-18565)Andy Lester2020-02-201-8/+3
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* bpo-39576: Prevent memory error for overly optimistic precisions (GH-18581)Stefan Krah2020-02-213-6/+245
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* bpo-39184: Fix incorrect return value (GH-18580)Steve Dower2020-02-201-1/+1
| | | | | | | https://bugs.python.org/issue39184 Automerge-Triggered-By: @zooba
* Use the new recommended number of repetitions in the refleak tests. (#18569)Stefan Krah2020-02-201-1/+1
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* Update runall.bat to the latest Windows build system. (#18571)Stefan Krah2020-02-201-41/+59
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* Valgrind no longer supports --db-attach=yes. (#18568)Stefan Krah2020-02-201-1/+1
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* bpo-39479:Add math.lcm() function: Least Common Multiple (#18547)ananthan-1232020-02-197-1/+134
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Update math.rst * Update math.rst * updated whats new * Update test_math.py * Update mathmodule.c * Update mathmodule.c.h * Update ACKS * πŸ“œπŸ€– Added by blurb_it. * Update 3.9.rst * Update 2020-02-18-12-37-16.bpo-39479.j3UcCq.rst * Update math.rst * Update 2020-02-18-12-37-16.bpo-39479.j3UcCq.rst * Update test_math.py * Update ACKS * Update mathmodule.c.h * Update mathmodule.c * Update mathmodule.c.h * Update mathmodule.c.h Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* Revert "bpo-38691 Added a switch to ignore PYTHONCASEOK when -E or -I flags ↡Victor Stinner2020-02-195-2658/+2647
| | | | | passed (#18314)" (GH-18553) This reverts commit d83b6600b25487e4ebffd7949d0f478de9538875.
* bpo-39572: Document ’total’ flag of TypedDict (GH-18554)ananthan-1232020-02-183-3/+29
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* Include subsections in TOC for PDF version of docs. (GH-9629)Cheryl Sabella2020-02-192-0/+2
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* bpo-39674: Revert "bpo-25988: Do not expose abstract collection classes in ↡Victor Stinner2020-02-184-6/+20
| | | | | | | | the collections module. (GH-10596)" (GH-18545) This reverts commit ef092fe9905f61ca27889092ca1248a11aa74498. Update collections __getattr__() and documentation to defer aliases removal to Python 3.10.
* bpo-37207: Use vectorcall for range() (GH-18464)Petr Viktorin2020-02-182-17/+35
| | | | | | | This continues the `range()` part of #13930. The complete pull request is stalled on discussions around dicts, but `range()` should not be controversial. (And I plan to open PRs for other parts if this is merged.) On top of Mark's change, I unified `range_new` and `range_vectorcall`, which had a lot of duplicate code. https://bugs.python.org/issue37207
* bpo-36347: stop using RESTRICTED constants (GH-12684)Jeroen Demeyer2020-02-183-10/+8
| | | | | | | | The constants `RESTRICTED` and `PY_WRITE_RESTRICTED` no longer have a meaning in Python 3. Therefore, CPython should not use them. CC @matrixise https://bugs.python.org/issue36347
* bpo-1635741: Port _bz2 extension module to multiphase initialization(PEP ↡Hai Shi2020-02-182-21/+36
| | | | | 489) (GH-18050) https://bugs.python.org/issue1635741
* bpo-39546: argparse: Honor allow_abbrev=False for specified prefix_chars ↡Kyle Meyer2020-02-184-28/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | (GH-18337) When `allow_abbrev` was first added, disabling the abbreviation of long options broke the grouping of short flags ([bpo-26967](https://bugs.python.org/issue26967)). As a fix, b1e4d1b603 (contained in v3.8) ignores `allow_abbrev=False` for a given argument string if the string does _not_ start with "--" (i.e. it doesn't look like a long option). This fix, however, doesn't take into account that long options can start with alternative characters specified via `prefix_chars`, introducing a regression: `allow_abbrev=False` has no effect on long options that start with an alternative prefix character. The most minimal fix would be to replace the "starts with --" check with a "starts with two prefix_chars characters". But `_get_option_tuples` already distinguishes between long and short options, so let's instead piggyback off of that check by moving the `allow_abbrev` condition into `_get_option_tuples`. https://bugs.python.org/issue39546
* bpo-39663: IDLE: Add additional tests for pyparse (GH-18536)Cheryl Sabella2020-02-173-2/+17
| | | | | | Test when find_good_parse_start should return 0. Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
* bpo-1635741: Port _abc extension to multiphase initialization (PEP 489) ↡Hai Shi2020-02-172-9/+19
| | | | (GH-18030)
* bpo-1635741: Port _contextvars module to multiphase initialization (PEP 489) ↡Hai Shi2020-02-172-26/+30
| | | | (GH-18374)
* bpo-39500: Fix compile warnings in unicodeobject.c (GH-18519)Hai Shi2020-02-171-2/+2
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* bpo-39573: Clean up modules and headers to use Py_IS_TYPE() function (GH-18521)Dong-hee Na2020-02-1733-56/+56
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* bpo-36465: Update doc of init_config.rst (GH-18520)Hai Shi2020-02-171-1/+1
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* bpo-1635741: Port _crypt extension module to multiphase initialization (PEP ↡Hai Shi2020-02-172-3/+7
| | | | 489) (GH-18404)
* bpo-38691 Added a switch to ignore PYTHONCASEOK when -E or -I flags passed ↡idomic2020-02-175-2647/+2658
| | | | | | | | | | | | | | | | | | | | | (#18314) * Hard reset + cherry piciking the changes. * πŸ“œπŸ€– Added by blurb_it. * Added @vstinner News * Update Misc/NEWS.d/next/Library/2020-02-11-13-01-38.bpo-38691.oND8Sk.rst Co-Authored-By: Victor Stinner <vstinner@python.org> * Hard reset to master * Hard reset to master + latest changes Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-32892: Update the documentation for handling constants in AST. (GH-18514)Serhiy Storchaka2020-02-172-3/+13
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* bpo-37970: update and improve urlparse and urlsplit doc-strings (GH-16458)idomic2020-02-161-6/+35
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* bpo-39104: Fix hanging ProcessPoolExecutor on shutdown nowait with pickling ↡Thomas Moreau2020-02-163-23/+100
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | failure (GH-17670) As reported initially by @rad-pat in #6084, the following script causes a deadlock. ``` from concurrent.futures import ProcessPoolExecutor class ObjectWithPickleError(): """Triggers a RuntimeError when sending job to the workers""" def __reduce__(self): raise RuntimeError() if __name__ == "__main__": e = ProcessPoolExecutor() f = e.submit(id, ObjectWithPickleError()) e.shutdown(wait=False) f.result() # Deadlock on get ``` This is caused by the fact that the main process is closing communication channels that might be necessary to the `queue_management_thread` later. To avoid this, this PR let the `queue_management_thread` manage all the closing. https://bugs.python.org/issue39104 Automerge-Triggered-By: @pitrou
* bpo-12915: Add pkgutil.resolve_name (GH-18310)Vinay Sajip2020-02-144-0/+169
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* bpo-39573: Update clinic to use Py_IS_TYPE() function (GH-18507)Dong-hee Na2020-02-145-17/+15
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* bpo-39573: PyXXX_Check() macros use Py_IS_TYPE() (GH-18508)Dong-hee Na2020-02-142-3/+3
| | | | Update PyXXX_Check() macros in Include/ to use the new Py_IS_TYPE function.
* closes bpo-39630: Update pointers to string literals to be const char *. ↡Andy Lester2020-02-134-5/+5
| | | | (GH-18510)
* closes bpo-39619 Fix os.chroot on HP-UX 11.31 (GH-18495)Ian Norton2020-02-133-1/+26
| | | | | | Setting `-D_XOPEN_SOURCE=700` on HP-UX causes system functions such as chroot to be undefined. This change stops `_XOPEN_SOURCE` begin set on HP-UX Co-authored-by: Benjamin Peterson <benjamin@python.org>
* bpo-39545: Document changes in the support of await in f-strings. (GH-18456)Serhiy Storchaka2020-02-132-0/+10
| | | https://bugs.python.org/issue39545
* bpo-39627: Fix TypedDict totality check for inherited keys (#18503)Vlad Emelianov2020-02-133-13/+53
| | | (Adapted from https://github.com/python/typing/pull/700)
* bpo-39524: Fixed doc-string in ast._pad_whitespace (GH-18340)mpheath2020-02-131-1/+1
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* bpo-39573: Add Py_IS_TYPE() function (GH-18488)Dong-hee Na2020-02-1332-46/+61
| | | Co-Author: Neil Schemenauer <nas-github@arctrix.com>
* bpo-39573: Fix bad copy-paste in Py_SET_SIZE (GH-18496)Brandt Bucher2020-02-132-4/+4
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* bpo-39606: allow closing async generators that are already closed (GH-18475)Nathaniel J. Smith2020-02-133-6/+41
| | | | | | | | | | | | | | The fix for [bpo-39386](https://bugs.python.org/issue39386) attempted to make it so you couldn't reuse a agen.aclose() coroutine object. It accidentally also prevented you from calling aclose() at all on an async generator that was already closed or exhausted. This commit fixes it so we're only blocking the actually illegal cases, while allowing the legal cases. The new tests failed before this patch. Also confirmed that this fixes the test failures we were seeing in Trio with Python dev builds: https://github.com/python-trio/trio/pull/1396 https://bugs.python.org/issue39606
* bpo-39184: Add audit events to functions in `fcntl`, `msvcrt`, `os`, ↡Saiyang Gou2020-02-1315-17/+320
| | | | `resource`, `shutil`, `signal`, `syslog` (GH-18407)
* closes bpo-39621: Make buf arg to md5_compress be const. (GH-18497)Andy Lester2020-02-121-2/+2
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