Victor Stinner
a0cbdd84af
[3.13] gh-141570: can_colorize: Expect fileno() to raise OSError, as documented ( #141716 ) ( #141748 )
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gh-141570: can_colorize: Expect fileno() to raise OSError, as documented (#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 14:28:31 +00:00
Miss Islington (bot)
c7064e7d6b
[3.13] gh-140875: Fix handling of unclosed charrefs before EOF in HTMLParser (GH-140904) (GH-141746)
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(cherry picked from commit 95296a9d40
2025-11-19 12:17:54 +00:00
Petr Viktorin
1bca1b4da4
[3.13] gh-140691: urllib.request: Close FTP control socket if data socket can't connect (GH-140835) (GH-141657)
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(cherry picked from commit f2bce51b98
2025-11-18 13:34:40 +01:00
Krishna Chaitanya
7b3312747f
[3.13] gh-141497: Make ipaddress.IP{v4,v6}Network.hosts() always returning an iterator (GH-141547) (GH-141695)
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(cherry picked from commit 6b1bdf6c7a
2025-11-18 11:43:15 +02:00
Miss Islington (bot)
61a24ea572
[3.13] gh-137109: refactor warning about threads when forking (GH-141438) (GH-141614) (GH-141639)
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[3.14] gh-137109: refactor warning about threads when forking (GH-141438) (GH-141614)
This splits the OS API specific functionality to get the number of threads out
from the fallback Python method and warning raising code itself. This way the
OS APIs can be queried before we've run
`os.register_at_fork(after_in_parent=...)` registered functions which
themselves may (re)start threads that would otherwise be detected.
This is best effort. If the OS APIs are either unavailable or fail, the
warning generating code still falls back to looking at the Python threading
state after the CPython interpreter world has been restarted and the
after_in_parent calls have been made. The common case for most Linux and macOS
environments should work today.
This also lines up with the existing TODO refactoring, we may choose to expose
this API to get the number of OS threads in the `os` module in the future.
Note: This is a simplified backport that maintains the void return type
for warn_about_fork_with_threads() and keeps PyErr_Clear() in the warning path,
as the error handling changes from fd8f42d3d10d8fb0b852
2025-11-16 19:26:34 -08:00
Tian Gao
7beb7e8d35
[3.13] gh-136057: Allow step and next to step over for loops (GH-136160) ( #141641 )
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(cherry picked from commit 8be3b2f479
2025-11-16 22:23:03 +00:00
Sergey Miryanov
cbeada9ec7
[3.13] GH-141312: Allow only integers to longrangeiter_setstate state (GH-141317) (GH-141568)
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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 21:14:17 +02:00
Gregory P. Smith
b693037040
[3.13] gh-140938: Raise ValueError for infinite inputs to stdev/pstdev (GH-141531) ( #141584 )
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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
2025-11-15 04:45:28 +00:00
Pablo Galindo Salgado
7e1a0dbc07
[3.13] gh-141579: Fix perf_jit backend in sys.activate_stack_trampoline() (GH-141580) ( #141582 )
2025-11-15 03:17:49 +00:00
Miss Islington (bot)
fb7ae3fe83
[3.13] gh-136442: Fix unittest to return exit code 5 when setUpClass raises an exception (GH-136487) ( #141577 )
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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 01:23:03 +00:00
Petr Viktorin
6916bfb800
[3.13] gh-138189: Document type slots, and other constants, as part of Limited API (GH-138190) (GH-141193)
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(cherry picked from commit d81e1ef0f3
2025-11-13 13:28:57 +01:00
Miss Islington (bot)
e5b82c433c
[3.13] gh-103847: fix cancellation safety of asyncio.create_subprocess_exec (GH-140805) ( #141447 )
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gh-103847: fix cancellation safety of `asyncio.create_subprocess_exec` (GH-140805)
(cherry picked from commit ef474cfafb
2025-11-13 17:05:01 +05:30
Miss Islington (bot)
83bd8689aa
[3.13] gh-124111: Fix TCL 9 thread detection (GH-141483)
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(cherry picked from commit dc0987080e
2025-11-12 22:44:01 +00:00
Miss Islington (bot)
6aeb0d5b2a
[3.13] gh-141442: Add escaping to iOS testbed arguments (GH-141443) ( #141480 )
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Xcode concatenates the test argument array, losing quoting in the process.
(cherry picked from commit 558936bec1
2025-11-12 22:03:51 +00:00
Cody Maloney
7c62bd571b
[3.13] gh-141311: Avoid assertion in BytesIO.readinto() (GH-141333) (GH-141478)
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Fix error in assertion which causes failure if pos is equal to PY_SSIZE_T_MAX.
Fix undefined behavior in read() and readinto() if pos is larger that the size
of the underlying buffer.
(cherry picked from commit 7d54374f9c
2025-11-12 23:37:06 +02:00
Mohsin Mehmood
8402c28f11
[3.13] gh-141314: Fix TextIOWrapper.tell() assertion failure with standalone carriage return (GH-141331) (GH-141452)
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The assertion was checking wrong variable (skip_back vs skip_bytes).
(cherry picked from commit af80fac425
2025-11-12 12:40:14 +02:00
Miss Islington (bot)
54f620cc7f
[3.13] gh-138775: fix handle python -m base64 stdin correct with EOF signal (GH-138776) ( #141433 )
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gh-138775: fix handle `python -m base64` stdin correct with EOF signal (GH-138776)
* fix: handle stdin correct with EOF single.
* fix: flollow the comments when pipe stdin use buffer
* Apply suggestions from code review
* fix: apply review comments in Lib/base64.py
* fix: address comments
* Reword comment and NEWS entry.
---------
(cherry picked from commit f5c2a41f9a
2025-11-12 00:10:07 +00:00
Miss Islington (bot)
a9c00827dd
[3.13] gh-140578: Doc: Remove sencence implying that concurrent.futures.ThreadPoolExecutor does not exist (GH-140689) ( #141383 )
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gh-140578: Doc: Remove sencence implying that concurrent.futures.ThreadPoolExecutor does not exist (GH-140689)
* Doc: Remove sencence implying that concurrent.futures.ThreadPoolExecutor does not exist
Closes GH-140578
* Add NEWS.d entry for gh-140578
---------
(cherry picked from commit 46b58e1bb9
2025-11-11 04:58:30 +00:00
Bénédikt Tran
718886f6c6
[3.13] gh-140530: fix a reference leak in an error path for raise exc from cause (GH-140908) ( #141283 )
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gh-140530: fix a reference leak in an error path for `raise exc from cause` (#140908 )
Fix a reference leak in `raise E from T` when `T` is an exception
subtype for which `T.__new__` does not return an exception instance.
(cherry picked from commit 0c77e7c23b
2025-11-09 15:57:26 +01:00
Bénédikt Tran
873f0d023c
[3.13] gh-100218: correctly set errno when socket.if_{nametoindex,indextoname} raise OSError (GH-140905) ( #141285 )
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Previously, socket.if_nametoindex() and socket.if_indextoname() could raise
an `OSError` with a `None` errno. Now, the errno from libc is propagated.
(cherry picked from commit 3ce2d57b2f
2025-11-09 13:31:49 +00:00
Stan Ulbrych
0923704b49
[3.13] gh-139246: zero-width word paste can be wrong in default repl (GH-139254) (GH-141166)
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(cherry picked from commit 4e6dba0ef7
2025-11-07 13:51:03 +01:00
Miss Islington (bot)
353bfc813b
[3.13] gh-141141: Make base64.b85decode() thread safe (GH-141149) (GH-141185)
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(cherry picked from commit a7bf27f7f5
2025-11-07 11:10:21 +00:00
Miss Islington (bot)
dcd2dbaf36
[3.13] gh-140734: fix off-by-one error when comparing to _SUN_PATH_MAX (GH-140903) ( #141182 )
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gh-140734: fix off-by-one error when comparing to `_SUN_PATH_MAX` (GH-140903)
The limit includes a NULL terminator.
(cherry picked from commit 9a19900673
2025-11-07 10:18:06 +00:00
Stan Ulbrych
f1a93727c4
[3.13] gh-140939: Fix memory leak in _PyBytes_FormatEx error path (GH-140957) ( #141155 )
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(cherry picked from commit d6c89a2df2
2025-11-06 16:16:43 +00:00
Victor Stinner
43882c7c4e
[3.13] gh-140815: Fix faulthandler for invalid/freed frame ( #140921 ) ( #140985 )
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gh-140815: Fix faulthandler for invalid/freed frame (#140921 )
faulthandler now detects if a frame or a code object is invalid or
freed.
Add helper functions:
* _PyCode_SafeAddr2Line()
* _PyFrame_SafeGetCode()
* _PyFrame_SafeGetLasti()
_PyMem_IsPtrFreed() now detects pointers in [-0xff, 0xff] range
as freed.
(cherry picked from commit a84181c31b
2025-11-05 18:39:28 +01:00
Miss Islington (bot)
ee894d2abb
[3.13] gh-140797: Forbid capturing groups in re.Scanner lexicon patterns (GH-140944) (GH-140983)
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(cherry picked from commit fa9c3eefd4
2025-11-04 11:17:29 +00:00
Jiucheng(Oliver)
10af8404b4
[3.13] gh-135307: Fix email error when policy max_line_length is set to 0 or None (GH-135367) ( #140917 )
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[3.13] gh-135307: Fix email error when policy max_line_length is set to 0 or None (GH-135367)
(cherry picked from commit 6d45cd8dbb
2025-11-02 15:20:29 -05:00
Sebastian Pipping
bc36bd1786
[3.13] gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (GH-139234) ( #139367 )
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* gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (#139234 )
Expose the XML Expat 2.7.2 mitigation APIs to disallow use of
disproportional amounts of dynamic memory from within an Expat
parser (see CVE-2025-59375 for instance).
The exposed APIs are available on Expat parsers, that is,
parsers created by `xml.parsers.expat.ParserCreate()`, as:
- `parser.SetAllocTrackerActivationThreshold(threshold)`, and
- `parser.SetAllocTrackerMaximumAmplification(max_factor)`.
(cherry picked from commit f04bea44c368a1778b77
2025-11-02 12:39:11 +00:00
Miss Islington (bot)
9a3a147988
[3.13] gh-140874: Upgrade bundled pip to 25.3 (GH-140876) (gh-140880)
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* gh-140874: Upgrade bundled pip to 25.3 (GH-140876)
Upgrade bundled pip to 25.3
(cherry picked from commit d440a0f96c
2025-11-01 12:42:15 +00:00
Łukasz Langa
9ab89c026a
[3.13] gh-136065: Fix quadratic complexity in os.path.expandvars() (GH-134952) (GH-140845)
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(cherry picked from commit f029e8db62
2025-10-31 17:58:09 +01:00
Miss Islington (bot)
0329bd11c7
[3.13] gh-137836: Support more RAWTEXT and PLAINTEXT elements in HTMLParser (GH-137837) (GH-140842)
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* the "plaintext" element
* the RAWTEXT elements "xmp", "iframe", "noembed" and "noframes"
* optionally RAWTEXT (if scripting=True) element "noscript"
(cherry picked from commit a17c57eee5
2025-10-31 16:08:42 +00:00
Mikhail Efimov
eec9257aa5
[3.13] gh-140551: Fix dict crash if clear is called at lookup stage (GH-140558) ( #140744 )
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* gh-140551: Fix `dict` crash if `clear` is called at `lookup` stage (#140558 )
Co-authored-by: Inada Naoki <songofacandy@gmail.com>
2025-10-30 22:36:49 +05:30
Miss Islington (bot)
32c3dcc7a4
[3.13] gh-138162: Fix logging.LoggerAdapter with merge_extra=True and without the extra argument (GH-140511) (GH-140785)
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(cherry picked from commit 327dbbedff
2025-10-30 11:31:54 +00:00
Mikhail Efimov
08cacb2a14
[3.13] gh-140576: Fixed crash produced by lexer in case of dedented zero byte (GH-140583) ( #140762 )
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2025-10-29 14:33:55 +00:00
Miss Islington (bot)
62a3b6b0d9
[3.13] gh-140082: Forward colorizing from libregrtest to unittest (GH-140083) ( #140755 )
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gh-140082: Forward colorizing from libregrtest to unittest (GH-140083)
libregrtest redirects test output to a file as part of its operation.
When `unittest` checks to see if it should colorize with
`isatty(sys.stdout)` that fails resulting in no colorizing of the
unittest output.
Update `libregrtest` to set `FORCE_COLOR=1` when redirecting test output
so that unittest will do color printing.
(cherry picked from commit 6ff62ac4fb
2025-10-29 12:55:54 +00:00
Cody Maloney
a1a71efa6e
[3.13] gh-140607: Validate returned byte count in RawIOBase.read (GH-140611) ( #140730 )
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* [3.13] gh-140607: Validate returned byte count in RawIOBase.read (GH-140611)
While `RawIOBase.readinto` should return a count of bytes between 0 and
the length of the given buffer, it is not required to. Add validation
inside RawIOBase.read() that the returned byte count is valid.
(cherry picked from commit 0f0a362768
2025-10-29 13:31:57 +01:00
Miss Islington (bot)
bec053c184
[3.13] GH-140590: Fix setstate for functools.partial C-module (GH-140671) ( #140699 )
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GH-140590: Fix setstate for functools.partial C-module (GH-140671)
(cherry picked from commit d26686a7f8
2025-10-28 18:14:14 +05:30
Miss Islington (bot)
9c8eade20c
[3.13] gh-140634: Fix a reference counting bug in os.sched_param.__reduce__() (GH-140667) (GH-140686)
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(cherry picked from commit 364ae607d8
2025-10-27 20:05:10 +00:00
Shamil
fd6df66624
[3.13] gh-140301: Fix memory leak in subinterpreter PyConfig cleanup (GH-140303) ( #140684 )
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[3.13] gh-140301: Fix memory leak in subinterpreter `PyConfig` cleanup (GH-140303)
(cherry picked from commit a615fb49c9
2025-10-27 19:42:13 +00:00
Victor Stinner
ec5f5418f9
[3.13] gh-140487: Fix Py_RETURN_NOTIMPLEMENTED in limited C API 3.11 (GH-140636) (GH-140670)
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Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE have already been
fixed by commit 9258f3da91c636477523
2025-10-27 14:43:59 +01:00
Miss Islington (bot)
0e3b47b839
[3.13] gh-140633: AppleFrameworkLoader: Ignore AttributeError when setting __file__ (GH-140635) (GH-140659)
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(cherry picked from commit 3416e7c8dc
2025-10-27 14:08:09 +01:00
Sebastian Pipping
7abbf51839
[3.13] gh-140593: Fix a memory leak in function my_ElementDeclHandler of pyexpat (GH-140602) ( #140630 )
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[3.13] gh-140593: Fix a memory leak in function `my_ElementDeclHandler` of `pyexpat` (GH-140602)
Ensure that the memory allocated for the content model
passed to `my_ElementDeclHandler` is freed in all error
paths.
(cherry picked from commit e34a5e3304
2025-10-26 15:22:20 +00:00
Miss Islington (bot)
0f0ca07d79
[3.13] gh-140482: Preserve and restore stty echo as a test environment (GH-140519) ( #140563 )
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gh-140482: Preserve and restore `stty echo` as a test environment (GH-140519)
(cherry picked from commit b3c713a0af
2025-10-24 18:30:59 +00:00
Stan Ulbrych
1cc2c954d6
[3.13] gh-140471: Fix buffer overflow in AST node initialization with malformed _fields (GH-140506) ( #140510 )
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(cherry picked from commit 95953b692d
2025-10-24 00:38:02 +01:00
Miss Islington (bot)
640bc258c1
[3.13] gh-140474: Fix memory leak in array.array (GH-140478) (GH-140499)
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gh-140474: Fix memory leak in `array.array` (GH-140478)
(cherry picked from commit aa9d0a61d5
2025-10-23 12:18:01 +00:00
Peter Bierma
69230d1c56
[3.13] gh-140406: Fix memory leak upon __hash__ returning a non-integer (GH-140411) (GH-140441)
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* gh-140406: Fix memory leak upon `__hash__` returning a non-integer (GH-140411)
(cherry picked from commit 71db05a12d
2025-10-22 01:07:32 +00:00
Serhiy Storchaka
d7473f7a47
[3.13] gh-140306: Fix memory leaks in cross-interpreter data handling (GH-140307) (GH-140357)
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(cherry picked from commit f9323213c9
2025-10-20 10:13:15 +00:00
Serhiy Storchaka
0231a391f9
[3.13] gh-140272: Fix memory leak in _gdbm.gdbm.clear() (GH-140274) (GH-140289)
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(cherry picked from commit f937468e7c
2025-10-18 11:00:10 +00:00
Miss Islington (bot)
0760a572f7
[3.13] gh-138859: Account for ParamSpec defaults that are not lists … (GH-138868) ( #140208 )
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gh-138859: Account for `ParamSpec` defaults that are not lists … (GH-138868)
(cherry picked from commit 379fd020a0
2025-10-16 13:26:24 -07:00
Miss Islington (bot)
f09a6a2fc8
[3.13] gh-140041: Fix import of ctypes on Android and Cygwin when ABI flags are present (GH-140178) ( #140181 )
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Use sysconfig to determine the full name of libpython, rather than hardcoding
a library name that doesn't have ABI flags.
(cherry picked from commit 7f371ed84b
2025-10-15 22:03:25 +00:00
