repo stringclasses 1
value | instance_id stringlengths 20 22 | problem_statement stringlengths 126 60.8k | merge_commit stringlengths 40 40 | base_commit stringlengths 40 40 |
|---|---|---|---|---|
python/cpython | python__cpython-137655 | # flow-graph fails to re-initialize removed instructions to 0 resulting in re-used exception handler
# Bug report
### Bug description:
```python
# pyre-ignore-all-errors
def foo():
try:
[x for x in abc]
except OSError:
pass
return
import dis
dis.dis(foo)
```
When this code gets compiled... | b78e9c05b627f2b205fa43f31d4d3d14ad3eb13b | 089a324a4258fd5783b7e65acc29231d1042646e |
python/cpython | python__cpython-137669 | # ord() for bytes and bytearray is not documented
`ord()` is only documented for one-character strings, but it works also for `bytes` and `bytearray` objects of length 1.
<!-- gh-linked-prs -->
### Linked PRs
* gh-137669
* gh-137703
* gh-137704
<!-- /gh-linked-prs -->
| 35759fe2faf1443455dfcb15ef7c435e34b492c7 | 639df39bf0b7e1172ebc4df84c1ae097ea7c0c22 |
python/cpython | python__cpython-137588 | # Regression in ssl module between 3.13.5 and 3.13.6: reading from a TLS-encrypted connection blocks
# Bug report
### Bug description:
The script below works with 3.13.5 and fails with 3.13.6.
It's a straightforward socket server and client with TLS enabled. Under 3.13.5, it runs successfully. Under 3.13.6, when th... | 55788a90967e82a9ea05b45c06a293b46ec53d72 | 046a4e39b3f8ac5cb13ea292418c9c3767b0074d |
python/cpython | python__cpython-137515 | # Use a common interface for FT-only mutexes
Throughout the codebase, there are two common patterns for using a mutex only on the free-threaded build:
1.
```c
#ifdef Py_GIL_DISABLED
PyMutex_Lock(/* ... */);
#endif
/* ... */
#ifdef Py_GIL_DISABLED
PyMutex_Unlock(/* ... */);
#endif
```
2.
```c
#ifdef Py_GIL_DISABLED... | 082f370cdd0ec1484b033c70ec81b4b7a972ee2c | dec624e0afe6d22d38409d2e7dd9636ea0170378 |
python/cpython | python__cpython-137500 | # Dead link in the time library page
# Documentation
https://docs.python.org/3/library/time.html#time.CLOCK_TAI
The description of `time.CLOCK_TAI` includes a link to a "page not found" at NIST
The current link
https://www.nist.gov/pml/time-and-frequency-division/nist-time-frequently-asked-questions-faq#tai
Leads to a... | 3c1471d971ea2759d9de76e22230cd71cf4b7a07 | 3000594e929aea768fe0dd2437e0722ecfa2dbdc |
python/cpython | python__cpython-137467 | # Remove deprecated and undocumented `glob.glob0` and `glob.glob1` functions
# Feature or enhancement
These were deprecated in #117337
<!-- gh-linked-prs -->
### Linked PRs
* gh-137467
<!-- /gh-linked-prs -->
| f0a3c6ebc9bee22ddb318db1143317dc2cf06de1 | 481d5b54556e97fed4cf1f48a2ccbc7b4f7aaa42 |
python/cpython | python__cpython-137567 | # `importlib.abc.SourceLoader` issues `DeprecationWarning` because it inherits from `ResourceLoader`
# Bug report
### Bug description:
Problem
---
- `importlib.abc.SourceLoader` itself does not seem to be deprecated as far as the docs go, either in 3.14 or 3.15.
- However, since it inherits from the deprecated `impo... | 7140b99b0d0952167f7fdd747e6c28a8c8a2d768 | 0c83daaf458389517989bc28625e8ba8cf24e651 |
python/cpython | python__cpython-137413 | # `test_hashlib` has incorrect `default_builtin_hashes` values
# Bug report
### Bug description:
In `test_hashlib`, we have
```py
default_builtin_hashes = {'md5', 'sha1', 'sha256', 'sha512', 'sha3', 'blake2'}
```
which is a relicate when we had 2 distinct modules for SHA-2 and one for SHA-3 only. Now we have 'sha2... | deb385a14337bc3e38442b4cee3aac4a57364adc | 375f484f976a1ed84c145a6ce4e467cd5b57db75 |
python/cpython | python__cpython-137398 | # test_os_open in SocketEINTRTest hangs indefinitely on NetBSD
# Bug report
### Bug description:
The `SocketEINTRTest.test_os_open` test in `test_eintr` hangs indefinitely on NetBSD 10.0(x86_64). This appears to be a NetBSD-specific issue with FIFO operations under frequent signal interruption, similar to the issue ... | 7f416c867445dd94d11ee9df5f1a2d9d6eb8d883 | 0af7556b94eac47041957f36e98e230650b56bbf |
python/cpython | python__cpython-137342 | # Duplicated words again
# Bug report
### Bug description:
```python
# Add a code block here, if required
```
In the documentation, under [BaseHandler.http_error_default()](https://docs.python.org/3/library/urllib.request.html#urllib.request.BaseHandler.http_error_default), it said 'as as'.
[BaseHandler Objects](htt... | 1612dcbafe763014deefd679fe75ac5831a14a43 | 0153d82a5ab0c6ac16c046bdd4438ea11b58d59d |
python/cpython | python__cpython-137328 | # Raw f-string format spec undocumented behavior change between 3.11 and 3.12
# Bug report
### Bug description:
I found this while working on https://github.com/astral-sh/ruff/pull/19546 .
Between 3.11 and 3.12, the behavior of raw f-string format specifiers changed.
On 3.11 and earlier, the rawness of the f-strin... | 0153d82a5ab0c6ac16c046bdd4438ea11b58d59d | 676748d4da3671205f537ecd61a492861e37b77b |
python/cpython | python__cpython-137318 | # `compile` fails on 3.14 on a valid expression when `-OO` is set
# Bug report
### Bug description:
Given the following code snippet:
```python
import ast
source = b'class A:\n """\n """\n'
compile(ast.parse(source), "a", "exec")
```
`python3.13 -OO test.py` passes, but `python3.14 -OO test.py` fails, with:... | b74f3bed51378896f2c7c720e505e87373e68c79 | fe0e921817a7f96c62c91085884ab910859328ce |
python/cpython | python__cpython-137292 | # Support perf profiler with an evaluation hook
# Feature or enhancement
### Proposal:
Currently the perf profiler doesn't support running with an evaluation hook in place. But this is easy to do - it just needs to capture the previous one and forward to it.
### Has this already been discussed elsewhere?
No respo... | 375f484f976a1ed84c145a6ce4e467cd5b57db75 | e3ad9003c5af314ae82d4e9f40d9c0375a34149f |
python/cpython | python__cpython-137310 | # Python implicit boolean conversion in logical operations bypasses try/except on 3.14.0rc1
# Bug report
### Bug description:
Throwing an exception during an implicit cast to a boolean as part of a logical operation (`or`, `and`) bypasses surrounding try/except statements.
The following example works on Python 3.1... | 1f2026b8a239b3169c0cad0157eb08358152b4c1 | 525784aa65d35a5609aba53c873a9a3a578f992b |
python/cpython | python__cpython-137214 | # Tab completion / dir broken on concurrent.futures
# Bug report
### Bug description:
I just noticed that in 3.14rc1, tab completion is broken on `concurrent.futures`. Trying `dir`, I got:
```
>>> import concurrent.futures
>>> dir(concurrent.futures)
Traceback (most recent call last):
File "<python-input-2>", lin... | 2a87af062b79d914ce0120f1f1763213c1ebe8c4 | d18f73ae1349ed005fa05ea2d852e1ab51dbc087 |
python/cpython | python__cpython-137277 | # Micro-ops that have side-exits are sometimes marked as "escaping", when they should not be.
We tag micro-ops as "escaping", using `HAS_ESCAPES_FLAG`, when they call out to a function that might change the state of the world.
However, if that call only happens on an exit branch, then there is no escape if execution ... | 801cf3fcdd27d8b6dd0fdd3c39e6c996e2b2f7fa | 7475887e1e5d7abc0e48c8ea50e4fe123582cdbd |
python/cpython | python__cpython-137300 | # locale.setlocale() crashes on Windows for long locale name
# Crash report
`locale.setlocale(locale.LC_CTYPE, 'ks_IN.UTF-8@devanagari')` crashes.
`locale.setlocale(locale.LC_CTYPE, 'ks_IN.UTF8@devanagari')` just raises a locale.Error.
It's not just about length. Standard locale names in Windows (like 'English_Unite... | 718e0c89ba0610bba048245028ac133bbf2d44c2 | e99bc7fd44bbbf2464c37d5a57777ac0e1264c37 |
python/cpython | python__cpython-137258 | # Update bundled pip to 25.2
# Feature or enhancement
### Proposal:
`ensurepip`'s bundled version of pip gets updated to the current latest release, 25.2.
### Has this already been discussed elsewhere?
This is a minor feature, which does not need previous discussion elsewhere
### Links to previous discussion of t... | 506542b5966073203f0da71a487de24e596b7979 | 57eab1b8f78039142d58d207d39ae734d67952cf |
python/cpython | python__cpython-137186 | # Android CI and binary releases
### Proposal:
At the PyCon US language summit a couple of months ago, we discussed adding the following features to the mobile platforms:
* Continuous integration on GitHub Actions
* Official binary releases on python.org
Details of the discussion are in the link below, but I think ... | f660ec37531b5e368a27ba065f73d31ff6fb6680 | be56464c4b672ada378d3b9cc8076af56d96cf7b |
python/cpython | python__cpython-137241 | # heapq __all__ not updated for the maxheap methods
Currently we have:
```python
>>> import heapq
>>> heapq.__all__
['heappush', 'heappop', 'heapify', 'heapreplace', 'merge', 'nlargest', 'nsmallest', 'heappushpop']
```
This should be:
```python
['heapify', 'heapify_max', 'heappop', 'heappop_max',
'heappush', 'heapp... | 5f35f9b8fad50670604552062c1df8fbdff835ab | dc05d475c149289749f6131e3c0c4c1d2c492c8e |
python/cpython | python__cpython-137227 | # ForwardRef.evaluate() mishandles type_params
# Bug report
### Bug description:
The implementation of `annotationlib.ForwardRef.evaluate` handles its `type_params` argument in a complex yet incorrect way. Fixing this unfortunately leads to some test failures in `typing.get_type_hints()` because it does additional c... | 089a324a4258fd5783b7e65acc29231d1042646e | 70730ad0414e4661d2e94710d865edf1f7f164a1 |
python/cpython | python__cpython-137229 | # Setting the frame's line number causes `SystemError` to be raised if done in callback from `BRANCH_LEFT` or `BRANCH_RIGHT` event
# Bug report
### Bug description:
https://github.com/python/cpython/blob/main/Objects/frameobject.c#L1711
The two two new events `BRANCH_LEFT` and `BRANCH_RIGHT` should be added under `... | d18f73ae1349ed005fa05ea2d852e1ab51dbc087 | 438cbd857a875efc105b4215b1ae131e67af37e1 |
python/cpython | python__cpython-137195 | # test.support.requires_debug_ranges raise SkipTest not returning decorator when `_testcapi` doesn't exist
# Bug report
### Bug description:
```python
@requires_debug_ranges()
class ...:
```
`requires_debug_ranges` here is expected to skip the decorated test. But when `_testcapi` doesn't exist, it raises `unittest.S... | 0282eef880c8c8db782a2088b0257250e0f76d48 | b723c8be071afcf3f865c55a5efb6da54f7695a0 |
python/cpython | python__cpython-137281 | # `TypeError` when omitting a `Protocol` type argument with default
# Bug report
### Bug description:
This is as minimal as I was able to get the repro. I'm suppose it speaks for itself:
```python
from typing import Generic, Protocol, TypeVar
T1 = TypeVar("T1")
T2 = TypeVar("T2", default=object)
class A(Protocol[... | 158b28dd1906c5d3fac7955f87ba808f1e89fdad | 801cf3fcdd27d8b6dd0fdd3c39e6c996e2b2f7fa |
python/cpython | python__cpython-137184 | # The `w` typecode of `array.array` is new in Python 3.13
# Documentation
The `w` typecode was added in Python 3.13, but the docs do not mention it.
Furthermore, the documentation on `u` recommends using `w` as an alternative in a note that applies to Python 3.3+, which gives the impression that `w` has been availab... | 0b4e13c2658c5a267fc50ee045ffb7b6408b2e3b | 11a8652e25341e696b06d8dc7a18e8c3ee8059e4 |
python/cpython | python__cpython-137135 | # Update macOS and Windows installers to SQLite 3.50.4
# Bug report
### Bug description:
We need to update the SQLite version shipped with our binary releases to 3.50.3+ to pickup upstream security updates. https://nvd.nist.gov/vuln/detail/CVE-2025-6965
### CPython versions tested on:
CPython main branch
### Oper... | 532c37695d03f84fc6d12f891d26b901ef402ac4 | 44ff6b545149ea59837fc74122d435572f21e489 |
python/cpython | python__cpython-137094 | # `test_embed.test_bpo20891` is racy under free-threading
# Bug report
### Bug description:
I haven't seen this in CI, but when running regrtest locally, I noticed a crash on `test_embed.test_bpo20891` regarding unlocking a mutex that wasn't locked.
The two offending pieces of code are here:
https://github.com/pyt... | 9b451fb457a5de9ed535a0e2f41161dfaa9a419a | fece15d29f28e89f1231afa80508c80ed28dc37d |
python/cpython | python__cpython-137091 | # Remove redundant statement
# Documentation
> All that said, interpreters do naturally support certain flavors of
> concurrency, as a powerful side effect of that isolation.
> **There's a powerful side effect of that isolation.** It enables a
> different approach to concurrency than you can take with async or
> thr... | 1e69cd1634e4f0f8c375be85d11925bd12deef23 | e047a35b23c1aa69ab8d5da56f36319cec4d36b8 |
python/cpython | python__cpython-137085 | # [refactoring] Do not call get_gc_state from inside loop in expand_region_transitively_reachable
# Feature or enhancement
### Proposal:
It is minor refactoring. But I believe it is worth to do in the light of increasing usage of Immortal objects.
`get_gc_state` is not so lightweight and may have extra costs when ca... | d7db0ee7ee2af48f666a8b5a9321161b2dbd85ab | 9b451fb457a5de9ed535a0e2f41161dfaa9a419a |
python/cpython | python__cpython-137060 | # `url2pathname()` mishandles URL with Windows drive in netloc
# Bug report
### Bug description:
Windows-specific regression in Python 3.14 caused by d783d7b51d31db568de6b3438f4e805acff663da
Some programs generate file URLs by adding a `file://` prefix to a path. On Windows, this can result in URLs like `file://C:/... | 10a925c86db4cbcb9324c7269f69f813d3e7ed79 | ae8b7d710020dfd336edd399fa35525dfe8fc049 |
python/cpython | python__cpython-137127 | # `pyport.h`: use `__STDC_VERSION__ >= 202311L` instead of `__STDC_VERSION__ > 201710L`
# Bug report
### Bug description:
This code in `pyport.h` neds to be updated:
```c
// Static inline functions should use _Py_NULL rather than using directly NULL
// to prevent C++ compiler warnings. On C23 and newer and on C++11... | cfd6da849a3c40904cddd23ae1700605877673fb | 9cbf46d9920c269fe736ed689236d00223545f73 |
python/cpython | python__cpython-137057 | # DTrace Build Fails on NetBSD
# Bug report
### Bug description:
CPython fails to build with DTrace support on NetBSD.
1. `System library conflicts` - NetBSD dtrace requires `-x nolibs` flag to avoid system library conflicts
2. `Make automatic variable expansion failure` - `$<` automatic variable doesn't expand pro... | 54a5fdffc8e20f111e7a7d2df352e8be057177ff | c2428ca9ea0c4eac9c7f2b41aff5f77660f21298 |
python/cpython | python__cpython-137055 | # Remove obsolete counting of objects in young generation of GC
# Feature or enhancement
### Proposal:
There is no template and label for refactoring yet.
I have found a dead code in gc.c for young generation. https://github.com/python/cpython/blob/ec7fad79d24e79961b86e17177a32b32bb340fe5/Python/gc.c#L1334-L1342
I... | e93c30d4666f925c6a5a2cc4952f69782760d101 | ec02db5caa546cb4759999453bd6efc1d517b95c |
python/cpython | python__cpython-137042 | # Free-threading documentation should mention PyList_GET_ITEM
https://docs.python.org/3/howto/free-threading-extensions.html#borrowed-references mentions that PyList_GetItem is thread-unsafe due to borrowed references. PyList_GET_ITEM should be added next to it.
<!-- gh-linked-prs -->
### Linked PRs
* gh-137042
* gh-... | 38b936cc9912fc6847265917f94af53f0bf228e9 | 80a7017d2649ad5d7d1f83758eeeef50e5eba6b1 |
python/cpython | python__cpython-137215 | # Documentation enhancement proposal: explainer for asyncio
# Documentation
I've used Python's asyncio a couple times now, but never really felt confident in my mental model of how it fundamentally works and therefore how I can best leverage it. The official docs provide decent documentation for each specific functio... | 3964f974894eff1653913dda437971e0bbfa8ccc | d7dbde895884d58e3da7ed4107fd33171afad7cb |
python/cpython | python__cpython-137040 | # `http.cookies` should mention that `samesite=None` is valid as per RFC6265bis
# Documentation
The http.cookies.rst mentions this:
> The attribute [:attr:`samesite`](https://github.com/python/cpython/blob/main/Doc/library/http.cookies.rst#id39) specifies that the browser is not allowed to send the cookie along with... | ae8b7d710020dfd336edd399fa35525dfe8fc049 | cfd6da849a3c40904cddd23ae1700605877673fb |
python/cpython | python__cpython-136981 | # Unused C tracing code in bdb
# Feature or enhancement
### Proposal:
Remove unused C tracing code in bdb
The `c_call`, `c_return`, and `c_exception` events have historically (since c69ebe8d50529eae281275c841428eb9b375a442) been dispatched to `c_profilefunc` and never `c_tracefunc`.
Dead codes related to `c_tracef... | dc27218225fc3cfc452c46764e7cb0c1a52792b3 | ec7fad79d24e79961b86e17177a32b32bb340fe5 |
python/cpython | python__cpython-136999 | # Typo "algorthm" in 7 zstd module prologue comment files
The top comment in 7 zstd module files has a typo "algorthm" instead of "algorithm" (missing i).
Example:
https://github.com/python/cpython/blob/9a21df7c0a494e2819775eabd522ebec994d96c0/Modules/_zstd/zstddict.h#L1
Introduced 2 months ago in https://github.com... | b6d324224474c54061a6aaeace50bc5666dc1779 | c13cc4af793ba4ae27521df1693653920cafbf99 |
python/cpython | python__cpython-136973 | # Fortify usages of macros in cryptographic modules
# Feature or enhancement
### Proposal:
I love macros because I can reduce the number of duplicated code to write. But at the same, macros make the code harder to read, especially because of the lack of IntelliSense. Therefore, I suggest to convert macros in hashlib... | eefd70f0ed51e46fa9ff3d465dcf977bd4af28de | 4e40f2bea7edfa5ba7e2e0e6159d9da9dfe4aa97 |
python/cpython | python__cpython-136933 | # Ensure that `hashlib.<name>` does not raise `AttributeError`
# Feature or enhancement
### Proposal:
Let's summarize the current behavior of hashlib. We have two interfaces for getting digests: `hashlib.new(digest, ...)` and `hashlib.<digest>()`.
With `hashlib.new()` it depends on the presence of OpenSSL. If Open... | 7ce2f101c4b1c123860c90bf67ccc20a7805ea48 | ea06ae5b5e7b335efbdff03c087fad9980a53f69 |
python/cpython | python__cpython-136930 | # DocTests for functools.cache()-decorated functions have no line number
# Bug report
### Bug description:
(edited to reflect discussion comments)
doctests of functions decorated with `functools.cache` (or `lru_cache()`) do not get their line number retrieved, e.g.:
```python
# file /tmp/t.py
import functools
@fun... | fece15d29f28e89f1231afa80508c80ed28dc37d | d5e75c07682864e9d265e11f5e4730147e7d4842 |
python/cpython | python__cpython-136885 | # Replace reference to Google Groups
# Documentation
[Google is ending the support for](https://support.google.com/groups/answer/11036538?visit_id=638886377438342734-2695709570&p=usenet&rd=1) their Usenet client. There's a reference in the logging documentation which says Usenet is available under that group link. We... | 1e672935b44e084439527507a865b94a4c1315c3 | 5798348a0739ccf46f690f5fa1443080ec5de310 |
python/cpython | python__cpython-136875 | # `url2pathname()` doesn't handle URL query or fragment components
# Bug report
### Bug description:
`urllib.request.url2pathname()` incorrectly treats URL query (`?a=b&c=d`) and fragment (`#anchor`) components as part of the URL path
```python
>>> from urllib.request import url2pathname
>>> url2pathname('file://l... | 80b2d60a51cfd824d025eb8b3ec500acce5c010c | 4b68289ca6954b8d135e2ee2344e67fae38239fd |
python/cpython | python__cpython-136951 | # data races in instrumentation when running coverage under TSAN
When running the test suite of [python-isal](https://github.com/pycompression/python-isal) which uses coverage.py, there are multiple data races reported under a TSAN build:
Races:
<details>
```console
#9 _PyEval_Vector ceval.c:1977 (python.exe:ar... | f183996eb77fd2d5662c62667298c292c943ebf5 | 322442945084ea9055f86a17fa5096b11ba5b344 |
python/cpython | python__cpython-136864 | # Improve `StrEnum` documentation
The `StrEnum` docs include a note that references `str(StrEnum.member)`, which can seem like `member` is a method of the `StrEnum` class.
Also, unlike `IntEnum`, there is no illustrative example.
<!-- gh-linked-prs -->
### Linked PRs
* gh-136864
* gh-136936
* gh-136937
<!-- /gh-link... | 5f9e38f9b9f2b82e841f1b11a8300f2cacd76a36 | 58d305cf387816c559602a95ba850856dc9b8129 |
python/cpython | python__cpython-136856 | # Prevent `make venv` from saying it succeeded when it failed
As reported in https://github.com/python/devguide/issues/1607, if an error happens when executing `make venv`, it will still be reported as successful ("The venv has been created in the ./venv directory").
The `set -e` option should be enabled to exit on e... | 9c2f91cde80a6758e0c1390323bf6f7eb4b5d6b5 | dda9d0011fc3d3f561ca00ac83bf7a55a6325aa9 |
python/cpython | python__cpython-136853 | # Emscripten buildbot should run against node 24
We want to support pyrepl #124621 but it will require JSPI which requires node 24. So to test this we should run tests against node 24.
<!-- gh-linked-prs -->
### Linked PRs
* gh-136853
* gh-136907
* gh-136909
<!-- /gh-linked-prs -->
| 9c7b2af73dee2b99793637c3b70f724641b84349 | cf19b6435d02dd7be11b84a44f4a8a9f1a935b15 |
python/cpython | python__cpython-136811 | # minor cleanup: dict .update({x: y}) calls with a single item dict literal
@disconnect3d was analyzing stdlib code and noted several places with an old code pattern of a dict's .update method being called with a single element dict literal `d.update({key: value})` instead of just `d[key] = value` assignment. see PR ... | 69ea1b3a8f45fec46add3272ad47f14ff5321ae8 | 67036f1ee1c23257d320a80c152090235b8ca892 |
python/cpython | python__cpython-136804 | # Repl syntax highlighting fails in pattern matching when the previous case spans across multiple lines
# Bug report
### Bug description:
There is a bug in the new repl syntax highlighting when using pattern matching with cases spawning across new lines.
To reproduce:
```python
def status(code):
match code:
... | 3a648445337098abf22c7faa296389dab597797c | 6a1c93af806d0ca5d3fb86cd183d00013bbf28d1 |
python/cpython | python__cpython-136829 | # One million hertz
# Documentation
https://docs.python.org/3.15/whatsnew/3.15.html says of the new sampling profiler:
> This approach provides virtually zero overhead while achieving sampling rates of **up to 200,000 Hz**, making it the fastest sampling profiler available for Python (at the time of its contribution... | 1ba23244f3306aa8d19eb4b98cfee6ad4cf514c9 | 6293d8a1a648a498b7ac899631b74fa25c71c1ac |
python/cpython | python__cpython-136802 | # Align `ValueError` exception messages when a hash digest is not available
### Proposal:
Currently, we have a bit of different messages when a hash algorithm is not supported. It's annoying because the user does not necessarily know what is what. Also, unfortunately, since OpenSSL 3.0, when a digest is not supported... | 6be49ee517258281357aa6846d2564bc5626b7ca | 800d37feca2e0ea3343995b3b817b653db2f9034 |
python/cpython | python__cpython-136784 | # ctypes docs should list fixed-size integer types in table for "fundamental data types"
See https://docs.python.org/3.15/library/ctypes.html#fundamental-data-types. Fixed-size types, like [c_int32](https://docs.python.org/3.15/library/ctypes.html#ctypes.c_int32) - are missing here.
They can be found below in sectio... | acefb978dcb5dd554e3c49a3015ee5c2ad6bfda1 | 263e451c4114ac98add1f1e8aa9ee030e054bdfd |
python/cpython | python__cpython-136774 | # Misleading comment in `enum.verify.__call__`
I saw some nonsense in a comment.
```py
if enum_type == 'flag':
# check for powers of two
for i in range(_high_bit(low)+1, _high_bit(high)):
if 2**i not in values:
missing.appe... | 6a1c93af806d0ca5d3fb86cd183d00013bbf28d1 | f575588ccf27d8d54a1e99cfda944f2614b3255c |
python/cpython | python__cpython-136794 | # IPv4 addresses in 0.0.0.0/8 should be marked reserved
# Bug report
### Bug description:
According to https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
and https://en.wikipedia.org/wiki/Reserved_IP_addresses 0.0.0.0/8 and other ranges should be reserved.
`ipaddress.IPv4Ad... | 6293d8a1a648a498b7ac899631b74fa25c71c1ac | 57acd65a30f8cb1f3a3cc01322f03215017f5caa |
python/cpython | python__cpython-136709 | # `os.chdir` docstring is invalid rst
# Bug report
### Bug description:
```python
>>> from docutils.core import publish_doctree
>>> from posix import chdir
>>> publish_doctree(chdir.__doc__)
<string>:5: (ERROR/3) Unexpected indentation.
```
### CPython versions tested on:
CPython main branch
### Operating system... | bde808ad6ba5eee8a6201983cf071449d7ce7e39 | 2f0db9b05f0598548c0c136571c31065ecf961e5 |
python/cpython | python__cpython-136747 | # `sys.monitoring.register_callback()` audit event not documented in the table
# Documentation
Summary
----
`sys.monitoring.register_callback()` is mentioned in the [`sys.monitoring` docs](https://docs.python.org/3/library/sys.monitoring.html#sys.monitoring.register_callback) as a function which generates audit event... | 28937d3a21cf8168c853ae43374a8287c21f71c9 | eddc8c0a1d274ff6393c6fa233e535360c0dd07b |
python/cpython | python__cpython-136683 | # os.path.samestat incorrectly states "Accepts a path-like object"
# Documentation
Unless I am in some way confused, that statement is incorrect. The function only accepts `stat` objects.
https://github.com/python/cpython/blob/624bf52c83abcb1f948f9059e29729fa94d38086/Lib/genericpath.py#L121-L126
<!-- gh-linked-prs ... | 7e10a103dfe52feb0ef3d541e08abc2640838101 | 624bf52c83abcb1f948f9059e29729fa94d38086 |
python/cpython | python__cpython-136670 | # build `_asyncio` module as static module
Currently `_asyncio` is built as a shared library module which causes it to use slower functions calls for getting the thread state whereas if it is built as static module then it can read the current thread state by using faster segment registers directly. This affects both ... | b7d722547bcc9e92dca4837b9fdbe7457788820b | 69d8fe50ddc4dbe757c9929a532e2e882f0261ba |
python/cpython | python__cpython-136664 | # Signature of `PyFloat_Pack{2,4,8}` inconsistent with documentation
According to the documentation (https://docs.python.org/3/c-api/float.html#c.PyFloat_Pack2), the signature of `PyFloat_Pack{2,4,8}` is
```
int PyFloat_Pack2(double x, unsigned char *p, int le)
```
Note that the second parameter is of type `unsign... | e4654e0b3e7d802c8fe984cf39a36a42b67de1ad | db2032407a0c4928f3bdff63bba0456bf99e257e |
python/cpython | python__cpython-136592 | # Avoid using `ERR_func_error_string` and `EVP_MD_CTX_md` with OpenSSL 3.0+
# Feature or enhancement
### Proposal:
In `_hashlib`, we use `EVP_MD_CTX_md` and `ERR_func_error_string` but those functions are deprecated since OpenSSL 3.0. The task is to remove their usage while retaining backward compatibility, as for #... | 9be3649f5eccfbda1b3c9c3195927951a9ae9b90 | be2c3d284ecce67474a260b8c37e2f1e0628a9cf |
python/cpython | python__cpython-136587 | # `winreg`'s docstring is not up to date
It's missing the newly added `CreateKeyEx`, `DeleteKeyEx`, `DeleteKeyEx`, `EnableReflectionKey`, `QueryReflectionKey`.
<!-- gh-linked-prs -->
### Linked PRs
* gh-136587
<!-- /gh-linked-prs -->
| d53199101c7e74273d4d550456a994de01b6e3f1 | 377b78761814e7d848361e642d376881739d5a29 |
python/cpython | python__cpython-136573 | # Convert more datetime constructors and methods to Argument Clinic
The `datetime` module was partially converted to Argument Clinic. The following PR converts more functions. This adds signatures for some classes and methods. As a side effect, this may improve performance.
Usually we avoid behavior changes in conver... | 046a4e39b3f8ac5cb13ea292418c9c3767b0074d | af15e1d13ea26575afbb94b814e541586547a706 |
python/cpython | python__cpython-136780 | # `Tools/cases_generator/interpreter_definition.md` lacks information about some prefixes
So far it's seem that we haven't any documentation for:
* `specializing`
* `replicate`
* ~`split`~ (Actually, it has been removed in 7ebd71ee14a497bb5dc7a693dd00f074a9f4831f)
* `no_save_ip`
<!-- gh-linked-prs -->
### Linked PRs... | 406dc714f6b4dbc18d4e5119a10621386bccbee3 | 13e21b2fd6343ba8309ed857a2cbf6d6995ca5f2 |
python/cpython | python__cpython-136566 | # Improve and amend `hashlib.__doc__`
# Feature or enhancement
### Proposal:
There are a few typos in `hashlib.__doc__` and I would like the usage example to be consistent (one example is MD5 while the other, introduced by "more condensed:" is using SHA-224). We also say:
> Choose your hash function wisely. Some h... | 83d04a29a64eedc55d0a8d93aaae43d6069729e3 | c7d24b81c376b0cf0b34f861cb18c1b1e4eac27b |
python/cpython | python__cpython-136559 | # Failure when running `test_inspect` locally
# Bug report
### Bug description:
When running `test_inspect` locally (either via `unittest` or via executing `Lib/test/test_inspect/test_inspect.py`), I see this failure:
```
ERROR: test_threading_module_has_signatures (__main__.TestSignatureDefinitions.test_threading_... | be2c3d284ecce67474a260b8c37e2f1e0628a9cf | 5e1e21dee35b8e9066692d08033bbbdb562e2c28 |
python/cpython | python__cpython-136570 | # Allow tests to temporarily disable specific hash algorithms
# Feature or enhancement
### Proposal:
This is feature I needed in order to test my fix for #136134. The idea is to simulate a disabled algorithm due to FIPS reasons on a machine that enables it. However, to that end, we need to mock multiple entry points... | 9e5cebd56d06e35faeca166813215d72f2f8906a | 0d4fd10fbab2767fad3eb27639905c8885b88c89 |
python/cpython | python__cpython-136500 | # perf trampolines are not reliable in aarch64
# Bug report
### Bug description:
The perf trampolines can randomly fail in some aarch64 systems
### CPython versions tested on:
3.15, 3.14, CPython main branch
### Operating systems tested on:
_No response_
<!-- gh-linked-prs -->
### Linked PRs
* gh-136500
* gh-13... | 236f733d8ffb3d587e1167fa0a0248c24512e7fd | 7de8ea7be6c19f21c090f44a01817fab26c1f095 |
python/cpython | python__cpython-136529 | # Exception raised from `Wave_write.__del__()` after failed attempt to open file for write operation
# Bug report
### Bug description:
Consider a Python script with the following content:
```python
import wave
try:
with wave.open('/unwritable_path.wav', 'wb') as f:
pass # Not reachable, open() should ... | 171de05b4884d1353044417ea51a4efcb55ba633 | 42b251bcebd749eceeb62389e413a3be37cff343 |
python/cpython | python__cpython-136518 | # Print uncollectable objects if DEBUG_UNCOLLECTABLE mode was set
# Bug report
### Bug description:
There was a typo, and uncollectable objects printed only if DEBUG_COLLECTABLE mode is set.
Affected main and 3.14 (183b020cb5960e17b87c34a98ec02fcf2b840578)
https://github.com/python/cpython/blob/59acdba820f75081cfb4... | c560df9658f1a24edea995fe6f9c84c55b37cfb3 | 59acdba820f75081cfb47ad6e71044d022854cbc |
python/cpython | python__cpython-136546 | # FrameLocalsProxy (PEP 667) is not registered as a subclass of abc.Mapping
# Bug report
### Update
Turns out it is correctly registered as a subclass of Mapping of Python 3.13.2 (at least) - which was the original report - but then it should be exposed in `types`.
### Bug description:
Although the FrameLocalsP... | 8f59fbb082a4d64619aeededc47b3b45212d2341 | e24c66d55a4fd2c56017f8f4e1bcb154db4ba50a |
python/cpython | python__cpython-136483 | # get_async_stack_trace is missing part of the graph
# Bug report
### Bug description:
In `Modules/_remote_debugging_module.c` the `get_async_stack_trace` is missing part of the graph because it doesn't properly recurse over all tasks.
### CPython versions tested on:
3.14, 3.15
### Operating systems tested on:
... | ea45a2f97cb1d4774a6f88e63c6ce0a487f83031 | 9c4d28777526e9975b212d49fb0a530f773a3209 |
python/cpython | python__cpython-136472 | # `InterpreterPoolExecutor`'s default thread name prefix is invalid
# Bug report
### Bug description:
```python
from concurrent.futures import InterpreterPoolExecutor
def w():
import time
time.sleep(100)
executor1 = InterpreterPoolExecutor()
executor1.submit(w)
executor1.submit(w)
executor2 = Interpreter... | 246be21de1e2a51d757c747902108dfec13e0605 | aec7f5f8b2e8b5e02869cdb4e1f8a9ef87c9f953 |
python/cpython | python__cpython-136461 | # Consider enabling perf trampoline on macOS
# Feature or enhancement
### Proposal:
Currently perf trampoline (with `PYTHONPERFSUPPORT=1`) is Linux only. I assume it's mainly because `perf` is a Linux-only tool. But since then more non-Linux only profilers added support for Linux perf maps. For example [`samply`](ht... | e41c1ce585827f92dab9b7a7fc3df2bda2f817fe | b13a5df52fc854d1097e8b5419cb8802dc4059e0 |
python/cpython | python__cpython-136448 | # asyncio REPL: Use `self.loop` instead of global `loop` variable in `AsyncIOInteractiveConsole`
I'm trying to extend the asyncio REPL (yes, I know this is an unsupported use case) by doing the following:
- `from asyncio.__main__ import AsyncIOInteractiveConsole`
- Copy the `if __name__ == '__main__'` block into my o... | 77fa7a4dcc771bf4d297ebfd4f357483d0750a1c | 797abd1f7fdeb744bf9f683ef844e7279aad3d72 |
python/cpython | python__cpython-136812 | # Different parameter names in `os.path` documentation vs. runtime
[normcase](https://docs.python.org/3/library/os.path.html#os.path.normcase) must be `os.path.normcase(s)`
[basename](https://docs.python.org/3/library/os.path.html#os.path.basename) must be `os.path.basename(p)`
<!-- gh-linked-prs -->
### Linked PRs
*... | b5428bb0e786f5b67c6077472c0068cadd0b5ea9 | a10960699a2b3e4e62896331c4f9cfd162ebf440 |
python/cpython | python__cpython-136435 | # `./python.exe -OO -m test test_concurrent_futures` fails
# Bug report
This happens because `-OO` mode is not handled. I have a PR ready.
Output:
```
» ./python.exe -OO -m test test_concurrent_futures
Using random seed: 2576397461
0:00:00 load avg: 2.18 Run 9 tests sequentially in a single process
0:00:00 loa... | 3343fce05acb29a772599ce586abd43edf40bae6 | 975b57d945c84000949f241ded8f44413ecc6217 |
python/cpython | python__cpython-136903 | # Performance improvement to uuid8 on “What’s New” page
# Documentation
The [_What’s new in Python 3.14_ page](https://docs.python.org/3.14/whatsnew/3.14.html#id4) currently states:
> [uuid4()](https://docs.python.org/3.14/library/uuid.html#uuid.uuid4) and [uuid8()](https://docs.python.org/3.14/library/uuid.html#uui... | 5798348a0739ccf46f690f5fa1443080ec5de310 | c5e77af131aa0c8832a9ee50c4410731254e4209 |
python/cpython | python__cpython-136411 | # Switching between the JIT and interpreter is too slow.
A key part of the original design thesis for the JIT was that it was OK to jit small sections of code, provided that the cost of entering and exiting jjitted code was small enough.
Ideally, entering (and exiting) jitted code should cost no more than 2 or 3 instr... | e7b55f564dbf5a788e8f6edc55ef441d6afad01c | 718e0c89ba0610bba048245028ac133bbf2d44c2 |
python/cpython | python__cpython-136525 | # Bug with per-thread bytecode and profiling/instrumentation in freethreading
# Bug report
### Bug description:
A bunch of the instrumentation state is per-code object, such as the active montiors. The modifications also typically happen lazily when a code object is executed after instrumentation is enabled/disabled... | d995922198304a6de19ac1bec3e36d1e886d8468 | 3d8c38f6db0fea7845aafb92fe6bc795b536a367 |
python/cpython | python__cpython-136432 | # compression.zstd tests: test_compress_locking sometimes fail on free-threading builds
# Bug report
### Bug description:
I am suspicious about the purpose of the `test_compress_locking` test in `test_zstd.py`, and actually found a race condition in it, when using a freethreaded build.
From my understanding, it is ... | f519918ec6c125715d4efc9713ba80e83346e466 | d754f75f42f040267d818ab804ada340f55e5925 |
python/cpython | python__cpython-136381 | # Inconsistent import behavior when concurrent.futures.InterpreterPoolExecutor not exist
# Bug report
### Bug description:
When the `_interpreters` module which under the hood to implement `InterpreterPoolExecutor` does not exist, `import concurrent.futures.InterpreterPoolExecutor` will result `None`, instead of `Im... | 490eea02819ad303a5042529af7507b7b1fdabdc | ba9c1986305517ed88470129fe7c71aaec22d08d |
python/cpython | python__cpython-136319 | # 3.14 regression with `typing._eval_type()`
# Bug report
### Bug description:
I'm in the process of adding 3.14 support to Pydantic. To evaluate type annotations, we make use of the private `typing._eval_type()` function. In an ideal we shouldn't, but this is very hard to change now (and still, we need evaluate "st... | 9312702d2e12c2f58f02bfa02877d0ec790d06bd | c89f76e6c4ca9b0200d5cc8cf0a675a76de50ba8 |
python/cpython | python__cpython-136320 | # Test test_zstd_multithread_compress is always skipped
# Bug report
### Bug description:
The test `test_zstd_multithread_compress` is always skipped, even when it should be run.
This comes from [`SUPPORT_MULTITHREADING` being initiated to `False`](https://github.com/python/cpython/blob/v3.14.0b3/Lib/test/test_zstd... | 5dac137b9f75c5c1d5096101bcd33d565d0526e4 | 887e5c8646dfc6dd3d64b482c5310a414ac9162b |
python/cpython | python__cpython-136307 | # Add support in SSL module for getting/setting groups used for key agreement
# Add support for getting/setting groups used for key agreement
### Proposal:
This feature proposal is an expansion of the feature proposed in issue #109945. It began as a discussion on the PR where I provided some suggestions on generaliz... | 377b78761814e7d848361e642d376881739d5a29 | 59e2330cf391a9dc324690f8579acd179e66d19d |
python/cpython | python__cpython-136301 | # Not all C tests conform to PEP-737
# Bug report
### Bug description:
A few C tests do not conform to PEP-737 in that they don't:
- Use %T format specifier instead of %s and Py_TYPE(x)->tp_name.
- Use legacy %.200s format specifier for truncating type names.
Example patch that needs applying:
```patch
PyErr_F... | 7de8ea7be6c19f21c090f44a01817fab26c1f095 | 3343fce05acb29a772599ce586abd43edf40bae6 |
python/cpython | python__cpython-136298 | # `test_zoneinfo_property.py` misses tests with all `pickle` protocols
https://github.com/python/cpython/blob/d1d5dce14f90d777608e4403d09079421ff55944/Lib/test/test_zoneinfo/test_zoneinfo_property.py#L145-L162
We should add all protocols to the test, since it might affect the property based testing.
<!-- gh-linked-p... | 5de7e3f9739b01ad180fffb242ac57cea930e74d | d1d5dce14f90d777608e4403d09079421ff55944 |
python/cpython | python__cpython-136326 | # test_sqlite3 fails on ZFS
# Bug report
### Bug description:
If I build CPython 3.13.5 on my Linux workstation in my home directory, `test_sqlite3` fails. If I build CPython 3.13.5 in `/tmp`, `test_sqlite3` works fine. My `/home` partition uses ZFS, which is somewhat rare, so I'm betting that's why it fails for m... | 85b817da94cf911a964d42e81a57e1de9ab71ef9 | 9312702d2e12c2f58f02bfa02877d0ec790d06bd |
python/cpython | python__cpython-136286 | # `test_interpreters` misses tests with all `pickle` protocols
There are multiple places in `test_interpreters` where `pickle` only tests the default protocol.
Like:
https://github.com/python/cpython/blob/8ac7613dc8b8f82253d7c0e2b6ef6ed703a0a1ee/Lib/test/test_interpreters/test_api.py#L413-L417
I guess that we can ... | 06e347b84648f3f8e144e8f70671d610da082b77 | 1953713d0d67a4f54ff75bf8449895a2f08cc750 |
python/cpython | python__cpython-136252 | # Fixes and Improvements for Emscripten WASM REPL
# Feature or enhancement
### Proposal:
I recently ran into some issues with building and using the demo WASM REPL in `Tools/wasm/emscripten/web_example/` using the instructions from [this page](https://devguide.python.org/getting-started/setup-building/index.html#ems... | d1d526afe7ce62c787b150652a2ba136cb949d74 | 9c7b2af73dee2b99793637c3b70f724641b84349 |
python/cpython | python__cpython-136230 | # Remove Platform Emscripten is not supported warning
Since Emscripten is now tier 3.
<!-- gh-linked-prs -->
### Linked PRs
* gh-136230
* gh-136445
<!-- /gh-linked-prs -->
| 6ea425828540d7a19296183c3410283897767d9a | 77d25e5b169f7c306d3a6d9ca6777c0a0be80d8f |
python/cpython | python__cpython-136210 | # No Sphinx markup for PyExc_*
C variables for exceptions and warning categories (`PyExc_*`) are documented in prose, but lack Sphinx markup that would mark them as C variables. For example, searching for [`PyExc_BlockingIOError`](https://docs.python.org/3/search.html?q=PyExc_BlockingIOError) yields full-text results ... | 85bc89f35f40c844df74d913fd32b2b1475fc942 | c17654334946b232aa296696cf70ec93a09d8156 |
python/cpython | python__cpython-136204 | # Improve error message when comparing two `mappingproxy` objects
# Feature or enhancement
Current message:
```python
>>> import types
>>> types.MappingProxyType({}) > types.MappingProxyType({})
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: '<' not supported between instances of... | 41a9b46ad4787b58b51227929fd1876286448523 | fa43a1e0f8caf00a15898fa719e31767c866bd90 |
python/cpython | python__cpython-136195 | # Improve error message when comparing two `types.SimpleNamespace` objects
# Feature or enhancement
Following https://github.com/python/cpython/issues/136109#issuecomment-3024770506
Old error message:
```python
In [1]: from types import SimpleNamespace
In [2]: a = SimpleNamespace(a=1, b=2)
In [3]: b = SimpleNamespa... | ab7196a2f535f181abd50ccbf1b3b224bbd5eee0 | 51ab66b3d519d3802430b3a31a135d2670e37408 |
python/cpython | python__cpython-136347 | # test_external_inspection.test_only_active_thread is flaky
# Bug report
### Bug description:
```
test test_external_inspection failed -- Traceback (most recent call last):
File "/home/runner/work/cpython/cpython/Lib/test/test_external_inspection.py", line 991, in test_only_active_thread
self.assertEqual(len(g... | ba9c1986305517ed88470129fe7c71aaec22d08d | 0152df5fffb5fc4e538f62543a658d3980079de5 |
python/cpython | python__cpython-136184 | # The JIT's "pure" `_BINARY_OP` evaluation produces UB (and incorrect results)
# Crash report
This code snippet crashes when the JIT is enabled:
```py
for _ in range(4096):
2 ** 65
```
I believe this is caused by GH-132733. Specifically, the abstract interpreter generator "thinks" that the operation itself can ... | b3308973e382d1a3c1627903779fcb89a40d7645 | f41e9c750e6971c165e055374a1014d6afd2d50e |
python/cpython | python__cpython-136172 | # `fractions.Fraction.from_float` parameter `f` is documented as `flt`
# Documentation
[`fractions.Fraction.from_float`](https://docs.python.org/3/library/fractions.html#fractions.Fraction.from_float)’s parameter is documented as `flt`, but [it is actually named `f`](https://github.com/python/cpython/blob/3.13/Lib/fr... | 9c0cb5beb893284c5d49f947bbd81dfe081a5d71 | 28940e8e4884eb3444a8ea15a5634f76b154d7ed |
python/cpython | python__cpython-136164 | # `encodings` module is not documented
# Feature or enhancement
`encodings` contains several public and documented (at the module level) functions: https://github.com/python/cpython/blob/23caccf74ce2c8dc5d9c5eb6350d21ef20c6ea0b/Lib/encodings/__init__.py#L1-L29
But, only its submodules are documented in `codecs.rst`:... | ffd7f2f231f5543e6863c6c85e86f72233229771 | b6b99bf7f1edab77c485faf4e23da868f3a7b68c |
python/cpython | python__cpython-136146 | # Define "standard library" and "stdlib" in the glossary
# Documentation
As suggested by @JulienPalard in response to @adorilson's question in https://discuss.python.org/t/what-means-stdlib/97201/6
PR incoming for bikeshedding :)
<!-- gh-linked-prs -->
### Linked PRs
* gh-136146
* gh-136485
* gh-136486
<!-- /gh-li... | 92f392ad9e5e10ff98eac319e58ec79df5951ce0 | e697f5e7c05c48d98188b4d144a71f6d3a6e724f |
python/cpython | python__cpython-136137 | # Doc: Some broken links
Similar to #136122
/Doc/installing/index.rst
```
.. other questions:
Once the Development & Deployment part of PPUG is fleshed out, some of
those sections should be linked from new questions here (most notably,
we should have a question about avoiding depending on PyPI that links ... | 135ba86212ad116af3cc4a6ba656bc8cfaab131a | 7afe1adb0089d0f2df2add79bbc2300c2f236d90 |
python/cpython | python__cpython-136127 | # Use stackref version for LOAD_ATTR to handle cases we can't specialize for
# Feature or enhancement
### Proposal:
This helps the FT build in cases where specialization fails.
### Has this already been discussed elsewhere?
No response given
### Links to previous discussion of this feature:
_No response_
<!-- g... | e0d6500b2d9a08beb7b607b846d1eeaa26706667 | 17cf0a343b13b6f38a8ecf28b0dc892a4b456ca7 |
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