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* Expand the implementation comments (GH-19699)Raymond Hettinger2020-04-241-0/+7
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* bpo-40336: Refactor typing._SpecialForm (GH-19620)Serhiy Storchaka2020-04-231-77/+61
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* bpo-39983: Add test.support.print_warning() (GH-19683)Victor Stinner2020-04-235-31/+50
| | | | | | | Log "Warning -- ..." test warnings into sys.__stderr__ rather than sys.stderr, to ensure to display them even if sys.stderr is captured. test.libregrtest.utils.print_warning() now calls test.support.print_warning().
* bpo-40370: Use the same compile and link args as the interpreter used in ↵Pablo Galindo2020-04-231-0/+4
| | | | test_peg_generator (GH-19674)
* bpo-40334: Suppress all output in test_peg_generator (GH-19675)Lysandros Nikolaou2020-04-232-5/+1
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* bpo-40334: Rename PyConfig.use_peg to _use_peg_parser (GH-19670)Victor Stinner2020-04-2318-32/+46
| | | | | | | | | | | * Rename PyConfig.use_peg to _use_peg_parser * Document PyConfig._use_peg_parser and mark it a deprecated * Mark -X oldparser option and PYTHONOLDPARSER env var as deprecated in the documentation. * Add use_old_parser() and skip_if_new_parser() to test.support * Remove sys.flags.use_peg: use_old_parser() uses _testinternalcapi.get_configs() instead. * Enhance test_embed tests * subprocess._args_from_interpreter_flags() copies -X oldparser
* bpo-40334: PEP 617 implementation: New PEG parser for CPython (GH-19503)Pablo Galindo2020-04-2225-83/+2247
| | | | Co-authored-by: Guido van Rossum <guido@python.org> Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
* bpo-39939: Add str.removeprefix and str.removesuffix (GH-18939)sweeneyde2020-04-223-1/+45
| | | | | 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.
* bpo-40260: Remove unnecessary newline in compile() call (GH-19641)Anthony Sottile2020-04-221-1/+1
| | | Because some people subclass this class and call undocumented methods, and we don't want to break them.
* bpo-39562: Prevent collision of future and compiler flags (GH-19230)Batuhan Taşkaya2020-04-222-8/+25
| | | | | | The constant values of future flags in the __future__ module is updated in order to prevent collision with compiler flags. Previously PyCF_ALLOW_TOP_LEVEL_AWAIT was clashing with CO_FUTURE_DIVISION.
* bpo-40214: Fix ctypes WinDLL test with insecure flags (GH-19652)Steve Dower2020-04-221-5/+3
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* bpo-40138: Fix Windows os.waitpid() for large exit code (GH-19637)Victor Stinner2020-04-221-21/+51
| | | | | | | | Fix the Windows implementation of os.waitpid() for exit code larger than "INT_MAX >> 8". The exit status is now interpreted as an unsigned number. os.waitstatus_to_exitcode() now accepts wait status larger than INT_MAX.
* bpo-38360: macOS: support alternate form of -isysroot flag (GH-16480)Joshua Root2020-04-223-15/+77
| | | | | | | It is possible to use either '-isysroot /some/path' (with a space) or '-isysroot/some/path' (no space in between). Support both forms in places where special handling of -isysroot is done, rather than just the first form. Co-authored-by: Ned Deily <nad@python.org>
* bpo-38439: Add 256px IDLE icon (GH-17473)Miro Hrončok2020-04-224-2/+16
| | | | Icon author: Andrew Clover, bpo-1490384
* bpo-40327: Improve atomicity, speed, and memory efficiency of the items() ↵Raymond Hettinger2020-04-211-1/+1
| | | | loop (GH-19628)
* bpo-40335: Correctly handle multi-line strings in tokenize error scenarios ↵Pablo Galindo2020-04-211-1/+11
| | | | | (GH-19619) Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>
* bpo-39942:Fix failure in `TypeVar` when missing `__name__` (GH-19616)HongWeipeng2020-04-202-1/+11
| | | https://bugs.python.org/issue39942
* bpo-40330: Fix utf-8 size check in ShareableList (GH-19606)Antoine Pitrou2020-04-202-6/+20
| | | | | The item size must be checked after encoding to bytes, not before. Automerge-Triggered-By: @pitrou
* bpo-40260: Revert breaking changes made in modulefinder (GH-19595)Barry2020-04-202-12/+24
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* Fix typo in Lib/tracepack.py (GH-19605)Galden2020-04-191-1/+1
| | | Typo fix: "emites" -> "emit".
* bpo-40148: Add PurePath.with_stem() (GH-19295)Tim Hoffmann2020-04-192-0/+35
| | | | Add PurePath.with_stem()
* bpo-38891: avoid quadratic item access performance of ShareableList (GH-18996)Thomas Krennwallner2020-04-191-30/+45
| | | | | | | | Avoid linear runtime of ShareableList.__getitem__ and ShareableList.__setitem__ by storing running allocated bytes in ShareableList._allocated_bytes instead of the number of bytes for a particular stored item. Co-authored-by: Antoine Pitrou <antoine@python.org>
* bpo-39207: Spawn workers on demand in ProcessPoolExecutor (GH-19453)Kyle Stanley2020-04-192-6/+54
| | | | | Roughly based on https://github.com/python/cpython/commit/904e34d4e6b6007986dcc585d5c553ee8ae06f95, but with a few substantial differences. /cc @pitrou @brianquinlan
* bpo-40325: Deprecate set object support in random.sample() (GH-19591)Raymond Hettinger2020-04-192-2/+9
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* bpo-35113: Fix inspect.getsource to return correct source for inner classes ↵Karthikeyan Singaravelan2020-04-184-23/+197
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (#10307) * Use ast module to find class definition * Add NEWS entry * Fix class with multiple children and move decorator code to the method * Fix PR comments 1. Use node.decorator_list to select decorators 2. Remove unwanted variables in ClassVisitor 3. Simplify stack management as per review * Add test for nested functions and async calls * Fix pydoc test since comments are returned now correctly * Set event loop policy as None to fix environment related change * Refactor visit_AsyncFunctionDef and tests * Refactor to use local variables and fix tests * Add patch attribution * Use self.addCleanup for asyncio * Rename ClassVisitor to ClassFinder and fix asyncio cleanup * Return first class inside conditional in case of multiple definitions. Remove decorator for class source. * Add docstring to make the test correct * Modify NEWS entry regarding decorators * Return decorators too for bpo-15856 * Move ast and the class source code to top. Use proper Exception.
* Add spaces around the ":=" operator in ast_unparse.c (GH-19568)Hakan Çelik2020-04-181-2/+2
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* bpo-40179: Fix translation of #elif in Argument Clinic (GH-19364)Serhiy Storchaka2020-04-181-0/+105
| | | | Co-authored-by: Ammar Askar <ammar@ammaraskar.com>
* bpo-35967: Skip test with `uname -p` on Android (GH-19577)Chih-Hsuan Yen2020-04-181-2/+5
| | | | | | | | | | | | | | | | | | | The uname binary on Android does not support -p [1]. Here is a sample log: ``` 0:06:03 load avg: 0.56 [254/421/8] test_platform failed -- running: test_asyncio (5 min 53 sec) uname: Unknown option p (see "uname --help") test test_platform failed -- Traceback (most recent call last): File "/data/local/tmp/lib/python3.9/test/test_platform.py", line 170, in test_uname_processor proc_res = subprocess.check_output(['uname', '-p'], text=True).strip() File "/data/local/tmp/lib/python3.9/subprocess.py", line 420, in check_output return run(*popenargs, stdout=PIPE, timeout=timeout, check=True, File "/data/local/tmp/lib/python3.9/subprocess.py", line 524, in run raise CalledProcessError(retcode, process.args, subprocess.CalledProcessError: Command '['uname', '-p']' returned non-zero exit status 1. ``` [1] https://android.googlesource.com/platform/external/toybox/+/refs/heads/master/toys/posix/uname.c Automerge-Triggered-By: @jaraco
* bpo-40257: Improve help for the typing module (GH-19546)Serhiy Storchaka2020-04-183-4/+14
| | | | | | * Show docstring for special forms. * Show docstring for special generic aliases. * Show documentation for __origin__ for generic aliases.
* Fix two typos in multiprocessing (GH-19571)Galden2020-04-181-2/+2
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* bpo-40286: Use random.randbytes() in tests (GH-19575)Victor Stinner2020-04-175-28/+9
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* bpo-40286: Makes simpler the relation between randbytes() and getrandbits() ↵Serhiy Storchaka2020-04-171-4/+20
| | | | (GH-19574)
* bpo-39894: Route calls from pathlib.Path.samefile() to os.stat() via the ↵Barney Gale2020-04-171-1/+1
| | | | path accessor (GH-18836)
* bpo-39897: Remove needless `Path(self.parent)` call, which makes ↵Barney Gale2020-04-171-3/+2
| | | | `is_mount()` misbehave in `Path` subclasses. (GH-18839)
* bpo-40282: Allow random.getrandbits(0) (GH-19539)Antoine Pitrou2020-04-172-42/+33
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* bpo-40286: Add randbytes() method to random.Random (GH-19527)Victor Stinner2020-04-173-2/+59
| | | | | | | | | | | | Add random.randbytes() function and random.Random.randbytes() method to generate random bytes. Modify secrets.token_bytes() to use SystemRandom.randbytes() rather than calling directly os.urandom(). Rename also genrand_int32() to genrand_uint32(), since it returns an unsigned 32-bit integer, not a signed integer. The _random module is now built with Py_BUILD_CORE_MODULE defined.
* bpo-39901: Move `pathlib.Path.owner()` and `group()` implementations into ↵Barney Gale2020-04-171-10/+16
| | | | the path accessor. (GH-18844)
* bpo-40300: Allow empty logging.Formatter.default_msec_format. (GH-19551)Mariusz Felisiak2020-04-172-2/+16
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* bpo-40302: Add pycore_byteswap.h header file (GH-19552)Victor Stinner2020-04-171-0/+8
| | | | | | | | | | | | | | Add a new internal pycore_byteswap.h header file with the following functions: * _Py_bswap16() * _Py_bswap32() * _Py_bswap64() Use these functions in _ctypes, sha256 and sha512 modules, and also use in the UTF-32 encoder. sha256, sha512 and _ctypes modules are now built with the internal C API.
* bpo-40287: Fix SpooledTemporaryFile.seek() return value (GH-19540)Inada Naoki2020-04-172-3/+5
| | | It has not returned the file position after the seek.
* bpo-39793: use the same domain on make_msgid tests (#18698)Batuhan Taşkaya2020-04-161-4/+6
| | | | | * bpo-39793: use same domain on make_msgid tests * apply suggestions
* bpo-40290: Add zscore() to statistics.NormalDist. (GH-19547)Raymond Hettinger2020-04-162-0/+26
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* bpo-35967 resolve platform.processor late (GH-12239)Jason R. Coombs2020-04-162-86/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Replace flag-flip indirection with direct inspection * Use any for simpler code * Avoid flag flip and set results directly. * Resolve processor in a single function. * Extract processor handling into a namespace (class) * Remove _syscmd_uname, unused * Restore platform.processor behavior to match prior expectation (reliant on uname -p in a subprocess). * Extract '_unknown_as_blank' function. * Override uname_result to resolve the processor late. * Add a test intended to capture the expected values from 'uname -p' * Instead of trying to keep track of all of the possible outputs on different systems (probably a fool's errand), simply assert that except for the known platform variance, uname().processor matches the output of 'uname -p' * Use a skipIf directive * Use contextlib.suppress to suppress the error. Inline strip call. * 📜🤖 Added by blurb_it. * Remove use of contextlib.suppress (it would fail with NameError if it had any effect). Rely on _unknown_as_blank to replace unknown with blank. Co-authored-by: blurb-it[bot] <blurb-it[bot]@users.noreply.github.com>
* bpo-40209: Use tokenize.open in test_unparse (GH-19399)Hakan Çelik2020-04-161-5/+2
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* Fix typo in exception thrown by ast.unparse (GH-19534)Shantanu2020-04-161-1/+1
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* bpo-35967: Make test_platform.test_uname_processor more lenient to satisfy ↵Jason R. Coombs2020-04-151-4/+6
| | | | | | | | | | | | | build bots. (GH-19544) * bpo-35967: Make test more lenient to satisfy build bots. * Update Lib/test/test_platform.py Co-Authored-By: Kyle Stanley <aeros167@gmail.com> * Expect '' for 'unknown' Co-authored-by: Kyle Stanley <aeros167@gmail.com>
* bpo-40257: Output object's own docstring in pydoc (GH-19479)Serhiy Storchaka2020-04-154-31/+39
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* bpo-29255: Wait in KqueueSelector.select when no fds are registered (GH-19508)Russell Davis2020-04-152-1/+17
| | | | Also partially fixes bpo-25680 (there's still a discrepancy in behavior on Windows that needs to be fixed).
* bpo-35967: Baseline values for uname -p (GH-12824)Jason R. Coombs2020-04-151-0/+14
| | | | | | | | | * Add a test intended to capture the expected values from 'uname -p' * Instead of trying to keep track of all of the possible outputs on different systems (probably a fool's errand), simply assert that except for the known platform variance, uname().processor matches the output of 'uname -p' * Use a skipIf directive * Use contextlib.suppress to suppress the error. Inline strip call.
* bpo-40267: Fix message when last input character produces a SyntaxError ↵Lysandros Nikolaou2020-04-151-1/+1
| | | | | | | | (GH-19521) When there is a SyntaxError after reading the last input character from the tokenizer and if no newline follows it, the error message used to be `unexpected EOF while parsing`, which is wrong.
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