Commit Graph

45775 Commits

Author SHA1 Message Date
Serhiy Storchaka 515fce4fc4
bpo-40275: Avoid importing logging in test.support (GH-19601)
Import logging lazily in assertLogs() in unittest.
Move TestHandler from test.support to logging_helper.
2020-04-25 11:35:18 +03:00
Serhiy Storchaka 16994912c9
bpo-40275: Avoid importing socket in test.support (GH-19603)
* Move socket related functions from test.support to socket_helper.
* Import socket, nntplib and urllib.error lazily in transient_internet().
* Remove importing multiprocess.
2020-04-25 10:06:29 +03:00
Serhiy Storchaka 3c8a5b459d
bpo-40275: Avoid importing asyncio in test.support (GH-19600)
* Import asyncio lazily in unittest (only when IsolatedAsyncioTestCase is used).
* Import asyncio.events lazily in test.support.
2020-04-25 10:04:10 +03:00
Carl Meyer 503de7149d
bpo-40360: Deprecate lib2to3 module in light of PEP 617 (GH-19663)
Deprecate lib2to3 module in light of PEP 617.

We anticipate removal in the 3.12 timeframe.
2020-04-24 11:19:46 -07:00
Lysandros Nikolaou 24ffe705c3
bpo-40334: Rewrite test_c_parser to avoid memory leaks (GH-19694)
Previously every test was building an extension module and
loading it into sys.modules. The tearDown function was thus
not able to clean up correctly, resulting in memory leaks.

With this commit, every test function now builds the extension
module and runs the actual test code in a new process
(using assert_python_ok), so that sys.modules stays intact
and no memory gets leaked.
2020-04-24 14:51:09 +01:00
Raymond Hettinger 4cc4d6048e
Expand the implementation comments (GH-19699) 2020-04-24 02:33:07 -07:00
Serhiy Storchaka 40ded947f8
bpo-40336: Refactor typing._SpecialForm (GH-19620) 2020-04-23 21:26:48 +03:00
Victor Stinner d663d34685
bpo-39983: Add test.support.print_warning() (GH-19683)
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().
2020-04-23 19:03:52 +02:00
Pablo Galindo 9e6a1312c1
bpo-40370: Use the same compile and link args as the interpreter used in test_peg_generator (GH-19674) 2020-04-23 14:46:22 +01:00
Lysandros Nikolaou 8d1cbfffea
bpo-40334: Suppress all output in test_peg_generator (GH-19675) 2020-04-23 13:22:16 +01:00
Victor Stinner 1def7754b7
bpo-40334: Rename PyConfig.use_peg to _use_peg_parser (GH-19670)
* 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
2020-04-23 03:03:24 +02:00
Pablo Galindo c5fc156852
bpo-40334: PEP 617 implementation: New PEG parser for CPython (GH-19503)
Co-authored-by: Guido van Rossum <guido@python.org>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
2020-04-22 23:29:27 +01:00
sweeneyde a81849b031
bpo-39939: Add str.removeprefix and str.removesuffix (GH-18939)
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.
2020-04-22 23:05:48 +02:00
Anthony Sottile 39652cd8bd
bpo-40260: Remove unnecessary newline in compile() call (GH-19641)
Because some people subclass this class and call undocumented methods, and we don't want to break them.
2020-04-22 19:42:53 +01:00
Batuhan Taşkaya 4454057269
bpo-39562: Prevent collision of future and compiler flags (GH-19230)
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.
2020-04-22 18:09:03 +02:00
Steve Dower 9b49893900
bpo-40214: Fix ctypes WinDLL test with insecure flags (GH-19652) 2020-04-22 17:04:46 +01:00
Victor Stinner 9bee32b34e
bpo-40138: Fix Windows os.waitpid() for large exit code (GH-19637)
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.
2020-04-22 16:30:35 +02:00
Joshua Root b310700976
bpo-38360: macOS: support alternate form of -isysroot flag (GH-16480)
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>
2020-04-22 03:44:10 -04:00
Miro Hrončok 3a69f3caee
bpo-38439: Add 256px IDLE icon (GH-17473)
Icon author: Andrew Clover, bpo-1490384
2020-04-22 03:21:44 -04:00
Raymond Hettinger 75bedbe2ed
bpo-40327: Improve atomicity, speed, and memory efficiency of the items() loop (GH-19628) 2020-04-21 16:20:52 -07:00
Pablo Galindo 11a7f158ef
bpo-40335: Correctly handle multi-line strings in tokenize error scenarios (GH-19619)
Co-authored-by: Guido van Rossum <gvanrossum@gmail.com>
2020-04-21 01:53:04 +01:00
HongWeipeng a25a04fea5
bpo-39942:Fix failure in `TypeVar` when missing `__name__` (GH-19616)
https://bugs.python.org/issue39942
2020-04-20 21:01:53 +01:00
Antoine Pitrou eba9f6155d
bpo-40330: Fix utf-8 size check in ShareableList (GH-19606)
The item size must be checked after encoding to bytes, not before.

Automerge-Triggered-By: @pitrou
2020-04-20 11:54:55 -07:00
Barry 9b0b5d2bae
bpo-40260: Revert breaking changes made in modulefinder (GH-19595) 2020-04-20 15:58:42 +01:00
Galden df8913f7c4
Fix typo in Lib/tracepack.py (GH-19605)
Typo fix: "emites" -> "emit".
2020-04-19 19:17:37 -07:00
Tim Hoffmann 8aea4b3605
bpo-40148: Add PurePath.with_stem() (GH-19295)
Add PurePath.with_stem()
2020-04-19 17:29:49 +02:00
Thomas Krennwallner c8f1715283
bpo-38891: avoid quadratic item access performance of ShareableList (GH-18996)
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>
2020-04-19 17:19:24 +02:00
Kyle Stanley 1ac6e37929
bpo-39207: Spawn workers on demand in ProcessPoolExecutor (GH-19453)
Roughly based on 904e34d4e6, but with a few substantial differences.

/cc @pitrou @brianquinlan
2020-04-19 07:00:59 -07:00
Raymond Hettinger 4fe002045f
bpo-40325: Deprecate set object support in random.sample() (GH-19591) 2020-04-19 00:36:42 -07:00
Karthikeyan Singaravelan 696136b993
bpo-35113: Fix inspect.getsource to return correct source for inner classes (#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.
2020-04-18 21:49:32 +05:30
Hakan Çelik ce578831a4
Add spaces around the ":=" operator in ast_unparse.c (GH-19568) 2020-04-18 17:17:19 +01:00
Serhiy Storchaka 12446e6a60
bpo-40179: Fix translation of #elif in Argument Clinic (GH-19364)
Co-authored-by: Ammar Askar <ammar@ammaraskar.com>
2020-04-18 17:52:48 +03:00
Chih-Hsuan Yen fb940408ce
bpo-35967: Skip test with `uname -p` on Android (GH-19577)
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
2020-04-18 07:20:54 -07:00
Serhiy Storchaka 7e64414f57
bpo-40257: Improve help for the typing module (GH-19546)
* Show docstring for special forms.
* Show docstring for special generic aliases.
* Show documentation for __origin__ for generic aliases.
2020-04-18 17:13:21 +03:00
Galden c606624af8
Fix two typos in multiprocessing (GH-19571) 2020-04-18 08:58:29 +02:00
Victor Stinner 87502ddd71
bpo-40286: Use random.randbytes() in tests (GH-19575) 2020-04-17 22:54:38 +02:00
Serhiy Storchaka 223221b290
bpo-40286: Makes simpler the relation between randbytes() and getrandbits() (GH-19574) 2020-04-17 23:51:28 +03:00
Barney Gale 5b1d9184bb
bpo-39894: Route calls from pathlib.Path.samefile() to os.stat() via the path accessor (GH-18836) 2020-04-17 19:47:27 +02:00
Barney Gale c746c4f353
bpo-39897: Remove needless `Path(self.parent)` call, which makes `is_mount()` misbehave in `Path` subclasses. (GH-18839) 2020-04-17 19:42:06 +02:00
Antoine Pitrou 75a3378810
bpo-40282: Allow random.getrandbits(0) (GH-19539) 2020-04-17 19:32:14 +02:00
Victor Stinner 9f5fe7910f
bpo-40286: Add randbytes() method to random.Random (GH-19527)
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.
2020-04-17 19:05:35 +02:00
Barney Gale 22386bb4ef
bpo-39901: Move `pathlib.Path.owner()` and `group()` implementations into the path accessor. (GH-18844) 2020-04-17 18:41:07 +02:00
Mariusz Felisiak 06a35542aa
bpo-40300: Allow empty logging.Formatter.default_msec_format. (GH-19551) 2020-04-17 17:02:47 +01:00
Victor Stinner 1ae035b7e8
bpo-40302: Add pycore_byteswap.h header file (GH-19552)
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.
2020-04-17 17:47:20 +02:00
Inada Naoki 485e715cb1
bpo-40287: Fix SpooledTemporaryFile.seek() return value (GH-19540)
It has not returned the file position after the seek.
2020-04-17 15:56:35 +09:00
Batuhan Taşkaya 5565c30f0b
bpo-39793: use the same domain on make_msgid tests (#18698)
* bpo-39793: use same domain on make_msgid tests

* apply suggestions
2020-04-16 13:29:12 -04:00
Raymond Hettinger 70f027dd22
bpo-40290: Add zscore() to statistics.NormalDist. (GH-19547) 2020-04-16 10:25:14 -07:00
Jason R. Coombs 518835f335
bpo-35967 resolve platform.processor late (GH-12239)
* 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>
2020-04-16 08:28:09 -04:00
Hakan Çelik 6a5bf15c71
bpo-40209: Use tokenize.open in test_unparse (GH-19399) 2020-04-16 11:11:55 +01:00
Shantanu 01508dcde4
Fix typo in exception thrown by ast.unparse (GH-19534) 2020-04-16 11:10:12 +01:00
Jason R. Coombs e72cbcb346
bpo-35967: Make test_platform.test_uname_processor more lenient to satisfy 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>
2020-04-15 19:55:35 -04:00
Serhiy Storchaka fbf2786c4c
bpo-40257: Output object's own docstring in pydoc (GH-19479) 2020-04-15 23:00:20 +03:00
Russell Davis ba1bcffe5c
bpo-29255: Wait in KqueueSelector.select when no fds are registered (GH-19508)
Also partially fixes bpo-25680 (there's still a discrepancy in behavior
on Windows that needs to be fixed).
2020-04-15 11:57:06 -07:00
Jason R. Coombs 4b4e90a518
bpo-35967: Baseline values for uname -p (GH-12824)
* 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.
2020-04-15 14:32:01 -04:00
Lysandros Nikolaou 9a4b38f66b
bpo-40267: Fix message when last input character produces a SyntaxError (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.
2020-04-15 11:22:10 -07:00
Jason R. Coombs 574547a75c
Clean up compatibility code in importlib fixtures (#19156) 2020-04-15 13:55:43 -04:00
Ammar Askar a86b522d8f
bpo-40277: Add a repr() to namedtuple's _tuplegetter to aid with introspection (GH-19537) 2020-04-14 23:36:08 -07:00
Ethan Smith d01628e411
bpo-39481: PEP 585 for dataclasses, mailbox, contextvars (GH-19425) 2020-04-14 16:14:15 -07:00
Miro Hrončok 4c0a31fb08
bpo-9216: Nobody expects the geohashing FIPS inquisition (GH-19520)
Automerge-Triggered-By: @tiran
2020-04-14 12:49:11 -07:00
Barry d42e582063
bpo-40260: Update modulefinder to use io.open_code() and respect coding comments (GH-19488) 2020-04-14 20:16:06 +01:00
Batuhan Taşkaya aade1cc453
bpo-395222: Correctly unparse unicode prefix in ast_unparse.c (GH-19512) 2020-04-14 19:55:01 +01:00
Zackery Spytz 96515e9f67
bpo-32033: Fix test_pwd failures on Android (GH-19502) 2020-04-14 20:11:46 +02:00
Dong-hee Na a5900ecf9f
bpo-40221: Update multiprocessing to use _at_fork_reinit (GH-19511) 2020-04-15 01:35:36 +09:00
Victor Stinner 4cf65a630a
regrtest: log timeout at startup (GH-19514)
Reduce also worker timeout.
2020-04-14 18:29:44 +02:00
Dong-hee Na e1945307d3
bpo-40221: Update multiprocessing to use _at_fork_reinit (GH-19477) 2020-04-14 22:15:52 +09:00
Ethan Smith 8ef875028a
bpo-39481: Make weakref and WeakSet generic (GH-19497) 2020-04-13 21:54:40 -07:00
Ethan Smith cecf049673
bpo-39481: Make functools.cached_property, partial, partialmethod generic (#19427) 2020-04-13 21:53:04 -07:00
Galden 02152b7332
Fix typo from Lib/asyncio/events.py (GH-19410) 2020-04-14 09:04:32 +09:00
Batuhan Taşkaya 990ea4200f
bpo-40208: Remove deprecated has_exec method of SymbolTable (GH-19396) 2020-04-14 08:51:32 +09:00
Sebastian Pedersen a1a0eb4a39
bpo-39380: Change ftplib encoding from latin-1 to utf-8 (GH-18048)
Add the encoding in ftplib.FTP and ftplib.FTP_TLS to the
constructor as keyword-only and change the default from "latin-1" to "utf-8"
to follow RFC 2640.
2020-04-14 01:07:56 +02:00
Batuhan Taşkaya 258f5179f9
bpo-32894: Support unparsing of infinity numbers in ast_unparser.c (GH-17426) 2020-04-14 00:51:31 +02:00
Victor Stinner 4c3da783cf
bpo-40091: Fix a hang at fork in the logging module (GH-19416)
Fix a hang at fork in the logging module: the new private
_at_fork_reinit() method is now used to reinitialize locks at fork in
the child process.

The createLock() method is no longer used at fork.
2020-04-14 00:25:34 +02:00
Chih-Hsuan Yen 25a6833f79
bpo-39481: fix test_genericalias on Android (GH-19469)
Android bionic does not implement shm_open/shm_unlink [1].
As a result _posixshmem extension does not exist and
multiprocessing.shared_memory cannot be imported.

[1] https://android.googlesource.com/platform/bionic/+/master/docs/status.md
2020-04-13 15:00:16 -07:00
Victor Stinner 0135598d72
bpo-40241: Add pycore_gc.h header file (GH-19494)
Move the PyGC_Head structure and the following private macros to the
internal C API:

* _PyGCHead_FINALIZED()
* _PyGCHead_NEXT()
* _PyGCHead_PREV()
* _PyGCHead_SET_FINALIZED()
* _PyGCHead_SET_NEXT()
* _PyGCHead_SET_PREV()
* _PyGC_FINALIZED()
* _PyGC_PREV_MASK
* _PyGC_PREV_MASK_COLLECTING
* _PyGC_PREV_MASK_FINALIZED
* _PyGC_PREV_SHIFT
* _PyGC_SET_FINALIZED()
* _PyObject_GC_IS_TRACKED()
* _PyObject_GC_MAY_BE_TRACKED()
* _Py_AS_GC(o)

Keep the private _PyGC_FINALIZED() macro in the public C API for
backward compatibility with Python 3.8: make it an alias to the new
PyObject_GC_IsFinalized() function.

Move the SIZEOF_PYGC_HEAD constant from _testcapi module to
_testinternalcapi module.
2020-04-13 11:38:42 +02:00
Pablo Galindo 70c188eee0
Add double quote cases to invalid prefix tests (GH-19489) 2020-04-13 02:47:35 +01:00
Victor Stinner 14d5331eb5
bpo-40234: Revert "bpo-37266: Daemon threads are now denied in subinterpreters (GH-14049)" (GH-19456)
This reverts commit 066e5b1a91.
2020-04-12 23:45:09 +02:00
Lysandros Nikolaou 41d5b94af4
bpo-40246: Report a better error message for invalid string prefixes (GH-19476) 2020-04-12 19:21:00 +01:00
Oren Milman 402e1cdb13
bpo-31758: Prevent crashes when using an uninitialized _elementtree.XMLParser object (GH-3997) 2020-04-12 16:36:41 +02:00
Alex Itkes 63e5b59c06
bpo-13743: Add some documentation strings to xml.dom.minidom (GH-16355) 2020-04-12 16:21:58 +02:00
mefistotelis 5fd8123dfd
bpo-39011: Preserve line endings within ElementTree attributes (GH-18468)
* bpo-39011: Preserve line endings within attributes

Line endings within attributes were previously normalized to "\n" in Py3.7/3.8.
This patch removes that normalization, as line endings which were
replaced by entity numbers should be preserved in original form.
2020-04-12 14:51:58 +02:00
Serhiy Storchaka 4b222c9491
bpo-40126: Fix reverting multiple patches in unittest.mock. (GH-19351)
Patcher's __exit__() is now never called if its __enter__() is failed.
Returning true from __exit__() silences now the exception.
2020-04-11 10:59:24 +03:00
Batuhan Taşkaya 0361556537
bpo-39481: PEP 585 for a variety of modules (GH-19423)
- concurrent.futures
- ctypes
- http.cookies
- multiprocessing
- queue
- tempfile
- unittest.case
- urllib.parse
2020-04-10 07:46:36 -07:00
Ethan Smith e3ec44d692
bpo-39481: PEP 585 for difflib, filecmp, fileinput (#19422) 2020-04-09 21:47:31 -07:00
Ethan Smith 7c4185d62d
bpo-39481: PEP 585 for enumerate, AsyncGeneratorType, mmap (GH-19421) 2020-04-09 21:25:53 -07:00
Batuhan Taşkaya 2fa67df605
bpo-39481: PEP 585 for ipaddress.py (GH-19418) 2020-04-09 21:04:54 -07:00
Ethan Smith a8403d057d
Generic itertools.chain (GH-19417) 2020-04-09 20:28:08 -07:00
pxinwr 5cd2803009
bpo-31904: Fix test_c_locale_coercion encodings for VxWorks RTOS (GH-19448) 2020-04-09 17:46:23 +02:00
Serhiy Storchaka f228bf2300
bpo-40187: Refactor typing.TypedDict. (GH-19372) 2020-04-08 11:03:27 +03:00
Serhiy Storchaka a2ec06938f
bpo-40185: Refactor typing.NamedTuple (GH-19371) 2020-04-08 10:59:04 +03:00
Batuhan Taşkaya f9dd51e7db
bpo-39481: Make os.DirEntry generic (GH-19415) 2020-04-07 14:37:19 -07:00
Victor Stinner 87255be696
bpo-40089: Add _at_fork_reinit() method to locks (GH-19195)
Add a private _at_fork_reinit() method to _thread.Lock,
_thread.RLock, threading.RLock and threading.Condition classes:
reinitialize the lock after fork in the child process; reset the lock
to the unlocked state.

Rename also the private _reset_internal_locks() method of
threading.Event to _at_fork_reinit().

* Add _PyThread_at_fork_reinit() private function. It is excluded
  from the limited C API.
* threading.Thread._reset_internal_locks() now calls
  _at_fork_reinit() on self._tstate_lock rather than creating a new
  Python lock object.
2020-04-07 23:11:49 +02:00
Guido van Rossum 48b069a003
bpo-39481: Implementation for PEP 585 (#18239)
This implements things like `list[int]`,
which returns an object of type `types.GenericAlias`.
This object mostly acts as a proxy for `list`,
but has attributes `__origin__` and `__args__`
that allow recovering the parts (with values `list` and `(int,)`.

There is also an approximate notion of type variables;
e.g. `list[T]` has a `__parameters__` attribute equal to `(T,)`.
Type variables are objects of type `typing.TypeVar`.
2020-04-07 09:50:06 -07:00
Zachary Ware f407e209c1
bpo-40214: Temporarily disable a ctypes test (GH-19404)
Only one particular sub-test of
ctypes.test.test_loading.test_load_dll_with_flags is disabled, which
caused failures on Azure Pipelines CI.
2020-04-07 01:39:58 -05:00
Pablo Galindo 799d7d61a9
bpo-40196: Fix a bug in the symtable when reporting inspecting global variables (GH-19391) 2020-04-06 17:05:57 +01:00
Serhiy Storchaka 6fed3c8540
bpo-40182: Remove the _field_types attribute of the NamedTuple class (GH-19368) 2020-04-05 00:43:20 +03:00
Serhiy Storchaka a94e6272f1
bpo-36517: Raise error on multiple inheritance with NamedTuple (GH-19363) 2020-04-04 21:31:30 +03:00
Raymond Hettinger 1ae6445391
Convert tuples to sets for faster searches (GH-19365) 2020-04-04 11:03:04 -07:00
Tal Einat 52013e5b6d
bpo-38689: avoid IDLE hanging when calltip fails getting a signature (GH-17152)
Inspect.signature failed on the test case because its isinstance call raised.
2020-04-03 23:05:58 -04:00
Pablo Galindo 40cf35c5b0
bpo-40141: Include the value in the column position for keyword AST nodes (GH-19348) 2020-04-03 21:02:26 +01:00
Pablo Galindo 254ec78341
bpo-40147: Move the check for duplicate keywords to the compiler (GH-19289) 2020-04-03 20:37:13 +01:00
Michael Felt 76db37b1d3
bpo-40112: distutils test_search_cpp: Fix logic to determine if C compiler is xlc on AIX (GH-19225) 2020-04-03 16:38:28 +02:00
Victor Stinner 7a51a7e19f
bpo-40140: test_builtin.PtyTests registers SIGHUP handler (GH-19314)
test_builtin.PtyTests now registers an handler for SIGHUP signal.
Closing the PTY file descriptor can emit a SIGHUP signal: just ignore
it.

run_child() now also closes the PTY file descriptor before waiting
for the process completition, otherwise the test hangs on AIX.
2020-04-03 00:40:25 +02:00
Tim Hatch 3c3aa4516c
lib2to3: Support named assignment expressions (GH-12702)
There are two copies of the grammar -- the one used by Python itself as
Grammar/Grammar, and the one used by lib2to3 which has necessarily diverged at
Lib/lib2to3/Grammar.txt because it needs to support older syntax an we want it
to be reasonable stable to avoid requiring fixer rewrites.

This brings suport for syntax like `if x:= foo():` to match what the live
Python grammar does.

This should've been added at the time of the walrus operator itself, but lib2to3 being
independent is often overlooked.  So we do consider this a bugfix rather than enhancement.
2020-04-02 15:34:54 -07:00
Derek Keeler 45217af29c
bpo-38972: Link to instructions to change PowerShell execution policy (GH-19131) 2020-04-02 12:00:21 -07:00
Kyle Stanley 8ec7cb53f0
bpo-40115: Fix refleak in test_asyncio.test_run_in_executor_cancel() (GH-19282)
Call explicitly self.loop.shutdown_default_executor().
2020-04-02 04:46:44 +02:00
Victor Stinner 9a679a0e47
bpo-40094: CGIHTTPRequestHandler logs exit code (GH-19285)
CGIHTTPRequestHandler of http.server now logs the CGI script exit
code, rather than the CGI script exit status of os.waitpid().

For example, if the script is killed by signal 11, it now logs:
"CGI script exit code -11."
2020-04-02 03:42:05 +02:00
Victor Stinner 0b297d4ff1
bpo-39503: CVE-2020-8492: Fix AbstractBasicAuthHandler (GH-18284)
The AbstractBasicAuthHandler class of the urllib.request module uses
an inefficient regular expression which can be exploited by an
attacker to cause a denial of service. Fix the regex to prevent the
catastrophic backtracking. Vulnerability reported by Ben Caller
and Matt Schwager.

AbstractBasicAuthHandler of urllib.request now parses all
WWW-Authenticate HTTP headers and accepts multiple challenges per
header: use the realm of the first Basic challenge.

Co-Authored-By: Serhiy Storchaka <storchaka@gmail.com>
2020-04-02 02:52:20 +02:00
Victor Stinner d57cf55736
bpo-40094: mailcap.test() uses waitstatus_to_exitcode() (GH-19287)
mailcap.test() now uses os.waitstatus_to_exitcode() to convert
os.system() exit status into an exit code.
2020-04-02 02:00:06 +02:00
Pablo Galindo 168660b547
bpo-40141: Add line and column information to ast.keyword nodes (GH-19283) 2020-04-02 00:47:39 +01:00
Victor Stinner 65a796e527
bpo-40094: Add os.waitstatus_to_exitcode() (GH-19201)
Add os.waitstatus_to_exitcode() function to convert a wait status to an
exitcode.

Suggest waitstatus_to_exitcode() usage in the documentation when
appropriate.

Use waitstatus_to_exitcode() in:

* multiprocessing, os, subprocess and _bootsubprocess modules;
* test.support.wait_process();
* setup.py: run_command();
* and many tests.
2020-04-01 18:49:29 +02:00
Barney Gale 00002e6d8b
bpo-39682: make `pathlib.Path` immutable by removing (undocumented) support for "closing" a path by using it as a context manager (GH-18846)
Support for using a path as a context manager remains, and is now a no-op.
2020-04-01 16:10:51 +02:00
Zackery Spytz 975ac326ff
bpo-33262: Deprecate passing None for `s` to shlex.split() (GH-6514)
* bpo-33262: Deprecate passing None for `s` to shlex.split()

This reads the string to split from standard input.

* Update What's New.

* Fix shlex.rst
2020-04-01 09:58:55 -04:00
Steve Dower 3ef4a7e5a7
bpo-40121: Fix exception type in test (GH-19267) 2020-04-01 09:38:26 +01:00
Pablo Galindo 6eb9619c88
Handle when IOCTL_VM_SOCKETS_GET_LOCAL_CID does not exist in "socket" (GH-19270)
Running `test_socket` or anything that depends on it (like python -m
test.pythoninfo) crashes if IOCTL_VM_SOCKETS_GET_LOCAL_CID does not
exist in the socket module.

Automerge-Triggered-By: @pablogsal
2020-03-31 17:48:37 -07:00
Victor Stinner afeaea2d6e
bpo-40094: Add missing import to wait_process() (GH-19268) 2020-04-01 02:26:19 +02:00
Victor Stinner 16d75675d2
bpo-31160: Fix race condition in test_os.PtyTests (GH-19263)
bpo-31160, bpo-40094: Wait until the process completes before closing
the PTY to prevent sending SIGHUP to the child process.
2020-04-01 00:27:18 +02:00
Victor Stinner 40bfdb1594
bpo-40094: Add _bootsubprocess._waitstatus_to_exitcode (GH-19264)
* Add _waitstatus_to_exitcode() helper function to _bootsubprocess.
* Enhance check_output() error message if the command fails.

_bootsubprocess no longer handles WIFSTOPPED() case: it now raises a
ValueError.
2020-03-31 23:45:13 +02:00
Victor Stinner a9f9687a7c
bpo-40094: Enhance threading tests (GH-19260)
* Rewrite test_thread.test_forkinthread() to use
  support.wait_process() and wait for the child process in the main
  thread, not in the spawned thread.
* test_threading now uses support.wait_process() and checks the child
  process exit code to detect crashes.
2020-03-31 21:49:44 +02:00
Victor Stinner 27c6231f58
bpo-40094: Enhance fork and wait tests (GH-19259)
* test_fork1: remove duplicated wait_impl() method: reuse
  fork_wait.py implementation instead.
* Use exit code different than 0 to ensure that we executed the
  expected code path.
2020-03-31 21:46:40 +02:00
Victor Stinner 278c1e159c
bpo-40094: Add test.support.wait_process() (GH-19254)
Moreover, the following tests now check the child process exit code:

* test_os.PtyTests
* test_mailbox.test_lock_conflict()
* test_tempfile.test_process_awareness()
* test_uuid.testIssue8621()
* multiprocessing resource tracker tests
2020-03-31 20:08:12 +02:00
Victor Stinner 01e743d704
bpo-40003: test.bisect_cmd copies Python options (GH-19246)
test.bisect_cmd now copies Python command line options like -O or -W.
Moreover, emit a warning if test.bisect_cmd is used with
-w/--verbose2 option.
2020-03-31 17:25:56 +02:00
Steve Dower 63ba5cccf4
bpo-40121: Fixes audit event raised on creating a new socket (GH-19238) 2020-03-31 12:38:53 +01:00
Pablo Galindo ef67512b40
bpo-40108: Improve the error message in runpy when importing a module that includes the extension (GH-19239) 2020-03-31 12:23:55 +01:00
Curtis Bucher 0c5ad54997
Fix bug in test_collections.py (#19221)
Test in TestChainMap() line 257 did not properly check union behavior.
2020-03-30 09:50:57 -07:00
Dong-hee Na 53e4c91725
bpo-40077: Convert _abc module to use PyType_FromSpec() (GH-19202)
Replace statically allocated types with heap allocated types:
use PyType_FromSpec().

Add a module state to store the _abc_data_type.
Add traverse, clear and free functions to the module.
2020-03-30 16:35:38 +02:00
Ashwin Ramaswami 614f17211c
bpo-39073: validate Address parts to disallow CRLF (#19007)
Disallow CR or LF in email.headerregistry.Address arguments to guard against header injection attacks.
2020-03-29 20:38:41 -04:00
Terry Jan Reedy 34a49aa3e4
bpo-38002: Use False/True for IDLE pyshell bools (GH-19203)
Change 0/1 assignments to 'executing', 'canceled', 'reading', 'endoffile'.
These are not used outside of pyshell. Other bools already use False/True.
Add comment about int needed for Windows call.
Remove self.more, unused in idlelib and code.InteractiveInterpreter.
The latter uses 'more' as a local.
2020-03-28 12:51:21 -04:00
Furkan Önder 34b0598295
bpo-40086: Update/fix test_etree test case in test_typing (GH-19189) 2020-03-28 12:32:36 +00:00
Kyle Stanley b61b818d91
bpo-39812: Remove daemon threads in concurrent.futures (GH-19149)
Remove daemon threads from :mod:`concurrent.futures` by adding
an internal `threading._register_atexit()`, which calls registered functions
prior to joining all non-daemon threads. This allows for compatibility
with subinterpreters, which don't support daemon threads.
2020-03-27 20:31:22 +01:00
Victor Stinner d8ff44ce4c
bpo-40089: Fix threading._after_fork() (GH-19191)
If fork was not called by a thread spawned by threading.Thread,
threading._after_fork() now creates a _MainThread instance for
_main_thread, instead of a _DummyThread instance.
2020-03-27 17:50:42 +01:00
Peter Donis e0b8101492
bpo-1812: Fix newline conversion when doctest.testfile loads from a package whose loader has a get_data method (GH-17385)
This pull request fixes the newline conversion bug originally reported in bpo-1812. When that issue was originally submitted, the open builtin did not default to universal newline mode; now it does, which makes the issue fix simpler, since the only code path that needs to be changed is the one in doctest._load_testfile where the file is loaded from a package whose loader has a get_data method.
2020-03-26 10:53:16 -05:00
Furkan Önder cb6534e1a8
bpo-40067: Improve error messages for multiple star expressions in assignments (GH-19168)
Co-Authored-By: Batuhan Taşkaya <isidentical@gmail.com>
Co-Authored-By: Pablo Galindo <Pablogsal@gmail.com>
2020-03-26 01:54:31 +00:00
Ram Rachum 89a2209ae6
bpo-40016: re docstring: Clarify relationship of inline and argument flags (#19078)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
2020-03-25 14:44:47 -04:00
Curtis Bucher 8f1ed21ecf
bpo-36144: Add union operators to WeakValueDictionary584 (#19127) 2020-03-24 18:51:29 -07:00
Roman Yurchak 15e5024d04
bpo-40029 mark test_importlib.test_zip as requiring zlib (#19105)
* bpo-40029 mark test_importlib.test_zip as requiring zlib

* Decorate TestZip / TestEgg classes as requiring zlib
2020-03-24 15:02:53 -04:00
Victor Stinner 83d46e0622
bpo-40050: Fix importlib._bootstrap_external (GH-19135)
Remove two unused imports: _thread and _weakref. Avoid creating a new
winreg builtin module if it's already available in sys.modules.

The winreg module is now stored as "winreg" rather than "_winreg".
2020-03-24 18:03:34 +01:00
Victor Stinner 5804f878e7
bpo-20526: Fix PyThreadState_Clear(): don't decref frame (GH-19120)
PyThreadState.frame is a borrowed reference, not a strong reference:
PyThreadState_Clear() must not call Py_CLEAR(tstate->frame).

Remove test_threading.test_warnings_at_exit(): we cannot warranty
that the Python thread state of daemon threads is cleared in a
reliable way during Python shutdown.
2020-03-24 16:32:26 +01:00
Łukasz Langa fd88a026be Python 3.9.0a5
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Merge tag 'v3.9.0a5'

Python 3.9.0a5
2020-03-23 23:00:18 +01:00
Curtis Bucher 25e580a73c
bpo-36144: Add union operators to WeakKeyDictionary (#19106) 2020-03-23 13:49:46 -07:00
Curtis Bucher f393b2c588
bpo-36144: Add PEP 584 operators to collections.ChainMap (#18832)
* Update ChainMap to include | and |=

Created __ior__, __or__ and __ror__ methods in ChainMap class.

* Update ACKS

* Update docs

* Update test_collections.py to include test_issue584().

Added testing for | and |= operators for ChainMap objects.

* Update test_union_operators

Renamed test_union operators, fixed errors and style problems raised by brandtbucher.

* Update test_union_operators in TestChainMap

Added testing for union operator between ChainMap and iterable of key-value pairs.

* Update test_union operators in test_collections.py

Gave more descriptive variable names and eliminated unnecessary tmp variable.

* Update test_union_operators in test_collections.py

Added cm3

* Check .maps rather than Chainmap equality.

* Add news entry

* Update Lib/test/test_collections.py

Co-Authored-By: Brandt Bucher <brandtbucher@gmail.com>

* Removed whitespace

* Added Guido's changes

* Fixed Docs

* Removed whitespace

Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
2020-03-23 12:02:05 -07:00
Łukasz Langa dcd4c4f9c9
Python 3.9.0a5 2020-03-23 17:19:13 +01:00
Zackery Spytz 9a81ab107a
bpo-39830: Add zipfile.Path to __all__ (GH-19115) 2020-03-23 09:29:36 -04:00
Serhiy Storchaka bace59d8b8
bpo-39999: Improve compatibility of the ast module. (GH-19056)
* Re-add removed classes Suite, slice, Param, AugLoad and AugStore.
* Add docstrings for dummy classes.
* Add docstrings for attribute aliases.
* Set __module__ to "ast" instead of "_ast".
2020-03-22 20:33:34 +02:00
Ronald Oussoren 044cf94f61
bpo-22490: Remove __PYVENV_LAUNCHER__ from environment during launch (GH-9516)
* bpo-22490: Remove "__PYVENV_LAUNCHER__" from the shell environment on macOS

This changeset removes the environment varialbe "__PYVENV_LAUNCHER__"
during interpreter launch as it is only needed to communicate between
the stub executable in framework installs and the actual interpreter.

Leaving the environment variable present may lead to misbehaviour when
launching other scripts.

* Actually commit the changes for issue 22490...

* Correct typo

Co-Authored-By: Nicola Soranzo <nicola.soranzo@gmail.com>

* Run make patchcheck

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
Co-authored-by: Nicola Soranzo <nicola.soranzo@gmail.com>
2020-03-22 14:31:46 -04:00
Serhiy Storchaka b33e52511a
bpo-36543: Remove the xml.etree.cElementTree module. (GH-19108) 2020-03-22 14:31:38 +02:00
Serhiy Storchaka b146568dfc
bpo-39652: Truncate the column name after '[' only if PARSE_COLNAMES is set. (GH-18942) 2020-03-21 15:53:28 +02:00
Serhiy Storchaka 684d2b9a07
bpo-24916: Remove an outdated comment. (GH-19101) 2020-03-21 15:45:30 +02:00
Victor Stinner 7bf069b611
bpo-40019: Skip test_gdb if Python was optimized (GH-19081)
test_gdb now skips tests if it detects that gdb failed to read debug
information because the Python binary is optimized.
2020-03-20 08:23:26 +01:00
Batuhan Taşkaya 9052f7a41b
bpo-39562: Allow executing asynchronous comprehensions in the asyncio REPL (GH-18968)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
2020-03-19 11:35:44 +00:00
Batuhan Taşkaya 0ac59f93c0
bpo-40000: Improve error messages when validating invalid ast.Constant nodes (GH-19055)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
2020-03-19 11:32:28 +00:00