Hugo van Kemenade
b95d16a338
[3.14] gh-133146: Add the old public get_value method to documentation and refactor code. (GH-133301) ( #142110 )
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also uses it within the internals in a few places.
(cherry picked from commit db098a475a
2025-11-30 13:06:56 -08:00
Miss Islington (bot)
52731c4e62
[3.14] gh-140373: Correctly emit PY_UNWIND event when generator is closed (GH-140767) ( #140816 )
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Co-authored-by: Mikhail Efimov <efimov.mikhail@gmail.com>
2025-11-30 14:35:14 +02:00
Miss Islington (bot)
848a2ebe53
[3.14] gh-136063: fix quadratic-complexity parsing in email.message._parseparam (GH-136072) ( #140827 )
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Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
2025-11-30 14:30:56 +02:00
Miss Islington (bot)
fed2af6f9e
[3.14] GH-91636: Clear weakrefs created by finalizers. (GH-136401) ( #141993 )
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GH-91636: Clear weakrefs created by finalizers. (GH-136401)
Weakrefs to unreachable garbage that are created during running of
finalizers need to be cleared. This avoids exposing objects that
have `tp_clear` called on them to Python-level code.
(cherry picked from commit b6b99bf7f1
2025-11-28 23:34:36 -08:00
Itamar Oren
f7d17ac9f8
[3.14] gh-140011: Delete importdl assertion that prevents importing embedded modules from packages (GH-141605) ( #141986 )
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gh-140011: Delete importdl assertion that prevents importing embedded modules from packages (GH-141605)
(cherry picked from commit 27f62eb711
2025-11-28 23:30:57 -08:00
Miss Islington (bot)
20b910ca8b
[3.14] Fix multiprocessing queue test_get() (GH-142024) ( #142070 )
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Fix multiprocessing queue test_get() (GH-142024)
* Replace sleep() with support.sleeping_retry().
* Test get_nowait() first.
* Restore previously disabled test.
Fix the failure:
FAIL: test_get (test.test_multiprocessing_spawn.test_processes.WithProcessesTestQueue.test_get)
----------------------------------------------------------------------
Traceback (most recent call last):
File "Lib/test/_test_multiprocessing.py", line 1208, in test_get
self.assertEqual(queue_empty(queue), False)
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: True != False
(cherry picked from commit 5e749d3743
2025-11-29 07:25:46 +00:00
Miss Islington (bot)
6b799e1591
[3.14] gh-74389: gh-70560: subprocess.Popen.communicate() now ignores stdin.flush error when closed (GH-142061) ( #142064 )
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gh-74389: gh-70560: subprocess.Popen.communicate() now ignores stdin.flush error when closed (GH-142061)
gh-70560: gh-74389: subprocess.Popen.communicate() now ignores stdin.flush error when closed
with a unittest and news entry.
(cherry picked from commit 923056b2d4
2025-11-28 23:03:05 -08:00
Miss Islington (bot)
c7f741100b
[3.14] gh-87512: Fix subprocess using timeout= on Windows blocking with a large input= (GH-142058) ( #142068 )
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gh-87512: Fix `subprocess` using `timeout=` on Windows blocking with a large `input=` (GH-142058)
On Windows, Popen._communicate() previously wrote to stdin synchronously, which could block indefinitely if the subprocess didn't consume input= quickly and the pipe buffer filled up. The timeout= parameter was only checked when joining the reader threads, not during the stdin write.
This change moves the Windows stdin writing to a background thread (similar to how stdout/stderr are read in threads), allowing the timeout to be properly enforced. If timeout expires, TimeoutExpired is raised promptly and the writer thread continues in the background. Subsequent calls to communicate() will join the existing writer thread.
Adds test_communicate_timeout_large_input to verify that TimeoutExpired is raised promptly when communicate() is called with large input and a timeout, even when the subprocess doesn't consume stdin quickly.
This test already passed on POSIX (where select() is used) but failed on Windows where the stdin write blocks without checking the timeout.
(cherry picked from commit 5b1862bdd8
2025-11-29 06:47:04 +00:00
Miss Islington (bot)
476089479d
[3.14] gh-141473: Fix subprocess.Popen.communicate to send input to stdin upon a subsequent post-timeout call (GH-141477) ( #142059 )
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gh-141473: Fix subprocess.Popen.communicate to send input to stdin upon a subsequent post-timeout call (GH-141477)
* gh-141473: Fix subprocess.Popen.communicate to send input to stdin
* Docs: Clarify that `input` is one time only on `communicate()`
* NEWS entry
* Add a regression test.
---------
(cherry picked from commit 526d7a8bb4
2025-11-28 22:21:43 -08:00
Miss Islington (bot)
c1d3e2523b
[3.14] GH-134453: Fix subprocess memoryview input handling on POSIX (GH-134949) ( #142062 )
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GH-134453: Fix subprocess memoryview input handling on POSIX (GH-134949)
Fix inconsistent subprocess.Popen.communicate() behavior between Windows
and POSIX when using memoryview objects with non-byte elements as input.
On POSIX systems, the code was incorrectly comparing bytes written against
element count instead of byte count, causing data truncation for large
inputs with non-byte element types.
Changes:
- Cast memoryview inputs to byte view when input is already a memoryview
- Fix progress tracking to use len(input_view) instead of len(self._input)
- Add comprehensive test coverage for memoryview inputs
🤖 Generated with [Claude Code](https://claude.ai/code )
* old-man-yells-at-ReST
* Update 2025-05-30-18-37-44.gh-issue-134453.kxkA-o.rst
* assertIsNone review feedback
* fix memoryview_nonbytes test to fail without our fix on main, and have a nicer error.
Thanks to Peter Bierma @ZeroIntensity for the code review.
(cherry picked from commit cc6bc4c97f
2025-11-29 04:52:14 +00:00
Stan Ulbrych
64d6bde38f
[3.14] gh-98896: resource_tracker: use json&base64 to allow arbitrary shared memory names (GH-138473) (GH-141922)
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Co-authored-by: Rani Pinchuk <33353578+rani-pinchuk@users.noreply.github.com>
2025-11-27 13:17:39 +01:00
Miss Islington (bot)
f47e928574
[3.14] gh-116738: Fix thread-safety issue in re module for free threading (gh-141923) (gh-141990)
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Added atomic operations to `scanner_begin()` and `scanner_end()` to prevent
race conditions on the `executing` flag in free-threaded builds. Also added
tests for concurrent usage of the `re` module.
Without the atomic operations, `test_scanner_concurrent_access()` triggers
`assert(self->executing)` failures, or a thread sanitizer run emits errors.
(cherry picked from commit bc9e63dd9d
2025-11-26 21:08:39 +00:00
Miss Islington (bot)
9969c4280f
[3.14] gh-140911: Ensure that UserString.index() and UserString.rindex() accept UserString as argument (GH-140945) (GH-141946)
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(cherry picked from commit e6174ee981
2025-11-25 13:56:05 +00:00
Miss Islington (bot)
add73fdda0
[3.14] gh-141907: Better handle support for SHA3 for test_hashlib (GH-141908) ( #141918 )
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gh-141907: Better handle support for SHA3 for test_hashlib (GH-141908)
* test_hashlib: better handle support for SHA3
It's possible that the SSL library supports only SHA3 algo and doesn't
have SHAKE one.
The current test wrongly detect this and set both HASH and HASHXOF to
None expecting to have the extra SHA3 attributes present but this should
only be true for SHAKE algo.
To better handle this, move the HASH condition to a dedicated try-expect
condition and check if HASHXOF is None in the relevant code effectively
checking if SHA3 is supported by the SSL library but SHAKE algo needs to
use the sha3module one.
---------
(cherry picked from commit fee7782650
2025-11-25 02:20:35 +01:00
Miss Islington (bot)
7ccdbbd04e
[3.14] Fix implicit import in test_monitoring.py (gh-141795) (gh-141920)
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(cherry picked from commit 369ce2b139
2025-11-24 20:19:20 +00:00
Miss Islington (bot)
f8b0c90208
[3.14] gh-129441: Fix some flakiness in test_instrumentation (gh-141881) (gh-141913)
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Most of the `self.assertTrue(self.called)` checks are flaky because
the worker threads may sometimes finish before the main thread calls
`self.during_threads()`.
(cherry picked from commit 71126ab19c
2025-11-24 16:44:54 +00:00
Miss Islington (bot)
40fd66bab8
[3.14] gh-135335: Simplify preload regression test using __main__ (GH-138686) ( #141886 )
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gh-135335: Simplify preload regression test using __main__ (GH-138686)
Simplify preload regression test using `__main__`
With the fix for gh-126631 `__main__` modules can be preloaded and the regression
test for gh-135335 can be simplified to just use a self-contained script rather
than requiring a module.
Note this assumes and implicitly tests that `__main__` is preloaded by default.
(cherry picked from commit 425f24e4fa
2025-11-23 19:09:34 -08:00
Stefano Rivera
394db662a5
[3.14] GH-139914: Handle stack growth direction on HPPA (GH-140028) ( #141404 )
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* [3.14] GH-139914: Handle stack growth direction on HPPA (GH-140028)
Adapted from a patch for Python 3.14 submitted to the Debian BTS by John David Anglin https://bugs.debian.org/1105111#20
* Forgot to update test_call
* WTF typo
2025-11-23 15:55:33 -08:00
Miss Islington (bot)
1a798d30d8
[3.14] gh-120158: Fix inconsistent monitoring state when setting events too frequently (gh-141845) (gh-141879)
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If we overflowed the global version counter (i.e., after 2*24 calls to
`_PyMonitoring_SetEvents`), we bailed out after setting global monitoring
events but before instrumenting code objects, which led to assertion errors
later on.
Also add a `time.sleep()` to `test_free_threading.test_monitoring` to avoid
overflowing the global version counter.
(cherry picked from commit e457d60daa
2025-11-23 15:31:56 +00:00
Miss Islington (bot)
59ab1edb00
[3.14] gh-98552: Revert (unneeded, already done elsewhere) "flush std streams in the multiprocessing forkserver before fork (GH-141849)" (GH-141871) ( #141872 )
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gh-98552: Revert (unneeded, already done elsewhere) "flush std streams in the multiprocessing forkserver before fork (GH-141849)" (GH-141871)
Revert (unneeded, already done elsewhere) "gh-98552: flush std streams in the multiprocessing forkserver before fork (GH-141849)"
This reverts commit 58badb1711614a28b3da
2025-11-23 10:17:20 +00:00
Miss Islington (bot)
061965c584
[3.14] gh-98552: flush std streams in the multiprocessing forkserver before fork (GH-141849) ( #141851 )
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gh-98552: flush std streams in the multiprocessing forkserver before fork (GH-141849)
* flush std streams in the multiprocessing forkserver before fork
* NEWS
(cherry picked from commit 58badb1711
2025-11-22 12:23:22 -08:00
Miss Islington (bot)
c9a4a3d502
[3.14] gh-141600: Fix musl version detection on Void Linux (GH-141850)
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(cherry picked from commit 08477dbf30
2025-11-22 18:47:47 +00:00
Miss Islington (bot)
43d8b7f1ac
[3.14] gh-141612: improve test_trampoline_works_with_forks coverage (GH-141613) ( #141824 )
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gh-141612: improve `test_trampoline_works_with_forks` coverage (GH-141613)
(cherry picked from commit f15f6d0ba3
2025-11-22 10:38:52 +01:00
Cody Maloney
cfcf7652f6
[3.14] gh-129559: add bytearray.resize thread safety test for free-threading (GH-141739) ( #141835 )
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[3.14] gh-129559: add `bytearray.resize` thread safety test for free-threading (GH-141739)
(cherry picked from commit 019c315a8e
2025-11-22 09:41:20 +05:30
Miss Islington (bot)
5bca7f4d7a
[3.14] gh-137422: Fix race condition in PyImport_AddModuleRef (gh-141822) (gh-141830)
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(cherry picked from commit 2d50dd242e
2025-11-21 18:57:30 +00:00
Miss Islington (bot)
af586d8d26
[3.14] gh-116738: Make csv module thread-safe (gh-141365) (gh-141825)
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Added a critical section to protect the states of `ReaderObj` and `WriterObj` in the free-threading build. Without the critical sections, both new free-threading tests were crashing.
(cherry picked from commit fb26d9c2ef
2025-11-21 16:47:13 +00:00
Miss Islington (bot)
1253a8b2df
[3.14] GH-137841: Open tzdata/zones file with UTF-8 encoding (GH-137872) ( #141607 )
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Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
2025-11-20 18:23:40 +02:00
Miss Islington (bot)
daf98fe5bd
[3.14] gh-141757: Comply with pickle protocol in test_reduce_5tuple (GH-141759) (GH-141782)
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The 5th element of the __reduce__ tuple should be an iterator.
(cherry picked from commit 41b9ad5b38
2025-11-20 09:22:52 +00:00
Miss Islington (bot)
83cfd87568
[3.14] gh-141489: Simplify closure/freevar iteration in annotationlib._build_closure() (GH-141490) ( #141776 )
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gh-141489: Simplify closure/freevar iteration in `annotationlib._build_closure()` (GH-141490)
(cherry picked from commit a35c683da5
2025-11-20 04:33:18 +00:00
Miss Islington (bot)
8c796889ff
[3.14] gh-141570: can_colorize: Expect fileno() to raise OSError, as documented (GH-141716) ( #141747 )
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gh-141570: can_colorize: Expect fileno() to raise OSError, as documented (GH-141716)
In Fedora, we've been given a slightly incomplete reproducer for a problematic
Python 3.14 color-related change in argparse that leads to an exception when
Python is used from mod_wsgi: https://bugzilla.redhat.com/2414940
mod_wsgi replaces sys.stdout with a custom object that raises OSError on .fileno():
8460dbfcd5/src/server/wsgi_logger.c (L434-L440)https://docs.python.org/3.14/library/io.html#io.IOBase.fileno
The previously expected exception inherits from OSError,
so it is still expected.
Fixes https://github.com/python/cpython/issues/141570
(cherry picked from commit 96f496a949
2025-11-19 14:29:15 +00:00
Miss Islington (bot)
562e23f9d5
[3.14] gh-140875: Fix handling of unclosed charrefs before EOF in HTMLParser (GH-140904) (GH-141745)
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(cherry picked from commit 95296a9d40
2025-11-19 12:43:24 +00:00
Serhiy Storchaka
d89eb2f984
[3.14] gh-140873: Fix the singledispatchmethod documentation (GH-141523)
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It does not support non-descriptor callables yet.
2025-11-18 13:16:39 +02:00
Miss Islington (bot)
060118ae91
[3.14] gh-141497: Make ipaddress.IP{v4,v6}Network.hosts() always returning an iterator (GH-141547) (GH-141673)
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(cherry picked from commit 6b1bdf6c7a
2025-11-17 17:56:55 +00:00
Serhiy Storchaka
8db1aadd65
[3.14] gh-130693: Add more tests for tkinter.Text.search() (GH-130848) (GH-141669)
2025-11-17 16:26:30 +00:00
Miss Islington (bot)
eead7b43bc
[3.14] gh-136057: Allow step and next to step over for loops (GH-136160) ( #141640 )
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gh-136057: Allow step and next to step over for loops (GH-136160)
(cherry picked from commit 8be3b2f479
2025-11-16 22:22:11 +00:00
Tian Gao
58c9d25675
[3.14] gh-125115 : Refactor the pdb parsing issue so positional arguments can pass through (GH-140933) ( #141635 )
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(cherry-picked from commit 5348c200f5
2025-11-16 19:35:42 +00:00
Miss Islington (bot)
79c136f87b
[3.14] GH-141312: Allow only integers to longrangeiter_setstate state (GH-141317) (GH-141559)
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This fixes an assertion error when the new computed start is not an integer.
(cherry picked from commit 10bec7c1eb
2025-11-15 21:30:25 +02:00
Sergey Miryanov
21e43d5e83
[3.14] GH-141509: Fix warning about remaining subinterpreters (GH-141528) (GH-141566)
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(cherry picked from commit fa245df4a0
2025-11-15 13:56:52 -05:00
Miss Islington (bot)
8a67e3c2b0
[3.14] gh-140938: Raise ValueError for infinite inputs to stdev/pstdev (GH-141531) ( #141575 )
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gh-140938: Raise ValueError for infinite inputs to stdev/pstdev (GH-141531)
Raise ValueError for infinite inputs to stdev/pstdev
(cherry picked from commit f0a8bc737a
2025-11-14 18:58:40 -08:00
Miss Islington (bot)
17e7aad5e3
[3.14] gh-141579: Fix perf_jit backend in sys.activate_stack_trampoline() (GH-141580) ( #141581 )
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Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
2025-11-15 02:49:54 +00:00
Miss Islington (bot)
d582b6f1ab
[3.14] gh-136442: Fix unittest to return exit code 5 when setUpClass raises an exception (GH-136487) ( #141576 )
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gh-136442: Fix unittest to return exit code 5 when setUpClass raises an exception (GH-136487)
(cherry picked from commit 53d65c840e
2025-11-15 01:25:19 +00:00
Miss Islington (bot)
959578e5d1
[3.14] gh-140691: urllib.request: Close FTP control socket if data socket can't connect (GH-140835) (GH-141555)
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(cherry picked from commit f2bce51b98
2025-11-14 17:27:33 +01:00
Miss Islington (bot)
dd28db664b
[3.14] gh-137969: Fix double evaluation of ForwardRefs which rely on globals (GH-140974) ( #141527 )
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gh-137969: Fix double evaluation of `ForwardRef`s which rely on globals (GH-140974)
(cherry picked from commit 209eaff68c
2025-11-13 13:26:58 -08:00
Mikhail Efimov
af20b880fc
[3.14] gh-140104: Set next_instr properly in the JIT during exceptions (GH-140233) (GH-141495)
2025-11-13 18:47:25 +00:00
Mikhail Efimov
48b7d75aaf
[3.14] gh-140936: Fix JIT assertion crash at finalization if some generator is alive (GH-140969) (GH-141494)
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gh-140936: Fix JIT assertion crash at finalization if some generator is alive (GH-140969)
2025-11-13 16:11:57 +00:00
Miss Islington (bot)
55cf97d8dd
[3.14] gh-140748: socket_helper.transient_internet: Unwrap UrlError.__cause__ (GH-140749) (GH-141505)
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(cherry picked from commit 75a1cbdd38
2025-11-13 13:58:37 +01:00
Miss Islington (bot)
7b8c257933
[3.14] gh-140601: Refactor ElementTree.iterparse() tests (GH-141499) (GH-141502)
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Split existing tests on smaller methods and move them to separate class.
Rename variable "content" to "it".
Use BytesIO instead of StringIO.
Add few more tests.
(cherry picked from commit 2fbd396666
2025-11-13 12:03:09 +00:00
Miss Islington (bot)
79195df23c
[3.14] gh-140260: fix data race in _struct module initialization with subinterpreters (GH-140909) ( #141501 )
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gh-140260: fix data race in `_struct` module initialization with subinterpreters (GH-140909)
(cherry picked from commit 63548b3699
2025-11-13 17:23:22 +05:30
Miss Islington (bot)
7e9400c3e6
[3.14] gh-103847: fix cancellation safety of asyncio.create_subprocess_exec (GH-140805) ( #141446 )
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gh-103847: fix cancellation safety of `asyncio.create_subprocess_exec` (GH-140805)
(cherry picked from commit ef474cfafb
2025-11-13 17:03:04 +05:30
Mohsin Mehmood
92c14a91d2
[3.14] gh-141314: Fix TextIOWrapper.tell() assertion failure with standalone carriage return (GH-141331) (GH-141453)
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The assertion was checking wrong variable (skip_back vs skip_bytes).
(cherry picked from commit af80fac425
2025-11-12 12:40:02 +02:00
