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-130797 | # `test_notify` multiprocessing test is flaky
# Bug report
Seen in https://github.com/python/cpython/actions/runs/13606907022/job/38039459160?pr=130732
```
FAIL: test_notify (test.test_multiprocessing_spawn.test_threads.WithThreadsTestCondition.test_notify)
-----------------------------------------------------------... | 8a64a62002fa3cdc93cb4cfee315edb235cad8cb | d0eb01c9de9a455df36f885506314d8d00645c9f |
python/cpython | python__cpython-130800 | # `test_shutdown_default_executor_timeout` asyncio test is flaky
# Bug report
Seen in https://github.com/python/cpython/actions/runs/13606907022/job/38039459160?pr=130732
```
FAIL: test_shutdown_default_executor_timeout (test.test_asyncio.test_base_events.BaseEventLoopTests.test_shutdown_default_executor_timeout)
--... | 6c48ed7d62c6ca0eb24935b0e612f9e4a1a3b1bc | 3929af5e3a203291dc07b40c9c3515492e3ba7b4 |
python/cpython | python__cpython-130832 | # [Windows] test_wmi: `test_wmi_query_error` test is flaky
# Bug report
Seen in https://github.com/python/cpython/actions/runs/13606431591/job/38038447105?pr=130724 on both the default and free threading builds:
```
======================================================================
FAIL: test_wmi_query_error (te... | f67ff9e82071b21c1960401aed4844b00b5bfb53 | 1d251b8339a34a54e5d82d912d90bc0ca96e8757 |
python/cpython | python__cpython-130712 | # Undocumented public C-API `PyBaseObject_Type`
# Documentation
`PyBaseObject_Type` is in the limited API and not documented.
<!-- gh-linked-prs -->
### Linked PRs
* gh-130712
* gh-130792
* gh-130793
<!-- /gh-linked-prs -->
| b3c18bfd828ba90b9c712da74095c4a052887655 | 4f14b7e30c0243e81407a34968495301e829a033 |
python/cpython | python__cpython-130708 | # Optimize reference counting overhead of `LOAD_FAST` variants
# Feature or enhancement
### Proposal:
`LOAD_FAST` and its super instruction form are the most frequently executed bytecode instructions in most Python programs (they represent ~20% of dynamic instruction frequency on the benchmark suite). While they are... | 053c285f6b41f92fbdd1d4ff0c959cceefacd7cd | e9556e100452ed5a92fcf0e333ab75b0da29cf5b |
python/cpython | python__cpython-130906 | # JIT build crashes on x86_64-linux with LLVM 18
# Bug report
### Bug description:
I'm trying to build CPython 3.13.2 with JIT supported (`--enable-experimental-jit=yes-off`), but the build process crashes after reporting like this:
```text
python3> | Traceback (most recent call last):
python3> | File "/b... | a26a301f8b09c1825b288fc8649f8174576361f4 | 488174dc68f90217fd43aa95d87441cc6bad6a29 |
python/cpython | python__cpython-130676 | # test_calendar and test_pdb always fail in non-English locale
Example of the `test_calendar` output for locale uk_UA.UTF-8:
```pytb
======================================================================
FAIL: test_option_encoding (test.test_calendar.CommandLineTestCase.test_option_encoding)
--------------------------... | c1b4a6bd6151d0f777c5256e1d5e2304717932e6 | e21863ce78b17ab9fc98df08681d89e57c275a60 |
python/cpython | python__cpython-130663 | # format(Fraction(1, 3), '.016f') raises ValueError
# Bug report
### Bug description:
c.f.
```python
>>> format(float(Fraction(1, 3)), '.016f')
'0.3333333333333333'
```
Looking on [docs](https://docs.python.org/3.14/library/string.html#format-specification-mini-language), I think that float formatting better confor... | 5bc2d99126e40cb727a249939a4f905a51e8c920 | baccfdb3d4d004cfb5308674e5e6ea6e598abcd7 |
python/cpython | python__cpython-130661 | # sys.ps1 and sys.ps2 should be reverted after code.interact
# Bug report
### Bug description:
Our [documentation](https://docs.python.org/3/library/sys.html#sys.ps1) clearly states that `sys.ps1` and `sys.ps2` are only defined when the interpreter is in interactive mode. `code.interact` brings the interpreter to in... | fdcbc29f26448f47201ec40fcf3b6405631c85d3 | 54965f3fb25b381995a73b09d928c344bd2b86bd |
python/cpython | python__cpython-132323 | # Add colour to `argparse` help
# Feature or enhancement
In Python 3.13 we added colour output to the new REPL, `traceback` and `doctest`, and in 3.14 to `unittest`, `test.regrtest` and `calendar`, that can also be controlled with the `PYTHON_COLORS`, `NO_COLOR` and `FORCE_COLOR` environment variables:
* https://doc... | 4701ff92d747002d04b67688c7a581b1952773ac | ba16ba3a18e86e094bcd215892b49fb08c74ec0a |
python/cpython | python__cpython-130646 | # poplib.py: Missing integer parsing validation causes client crash on invalid server response
# Crash report
### What happened?
In [poplib.py at line 229](https://github.com/python/cpython/blob/8ba0d7bbc295781bf27902380521db97a272c442/Lib/poplib.py#L229) the code attempts to convert a server response to an integer ... | a42168d316f0c9a4fc5658dab87682dc19054efb | 990ad272f66fe6a50087ad044725bb0f9f8e181d |
python/cpython | python__cpython-130632 | # Make join_header_words() more similar to the original
Currently `http.cookiejar.join_header_words()` uses `re.search(r"^\w+$", v)` to check whether the value can be represented as a token, unquoted. There are some red flags here:
1. `\w` looks arbitrary. And it is. The original Perl implementation (it is now in [HT... | 7ebbd271444d89218870169624921b795a717470 | 16dcb576f7623e19f22be631bbc0e565335da969 |
python/cpython | python__cpython-130638 | # `UnicodeDecodeError` or `SystemError` when using `f-string` with `lambda` and non-ASCII characters
# Bug report
### Bug description:
When using an `f-string` in combination with `lambda` functions that return non-ASCII characters, either a `UnicodeDecodeError` or a `SystemError` is raised, depending on the specifi... | e06bebb87e1b33f7251196e1ddb566f528c3fc98 | b26286ca49d87ad8491e411f7b0283b0f15ad5be |
python/cpython | python__cpython-130634 | # build failed on DragonFlyBSD-6.4
# Bug report
### Bug description:
```
2025-02-27T04:16:40.9317730Z /usr/bin/cc -pthread -fno-strict-overflow -Wsign-compare -DNDEBUG -g -O3 -Wall -I/root/.xbuilder/run/1051/auxroot/include -fPIC -fno-common -Os -I/root/.xbuilder/run/1051/auxroot/include -fPIC -fno-common -Os ... | e41981704f0a6adb58c3e258b4226619521ce03c | 9211b3dabeacb92713ac3f5f0fa43bc7cf69afd8 |
python/cpython | python__cpython-130610 | # Remove `dirs_exist_ok` argument from `pathlib.Path.copy()`
(Background: [`pathlib.Path.copy()`](https://docs.python.org/3.14/library/pathlib.html#pathlib.Path.copy) is new in Python 3.14, so it hasn't been released yet.)
I don't think there's a compelling case to support a *dirs_exist_ok* argument in the initial ve... | b5454509612870dd0e09aaba4b79865a5faad284 | fdcbc29f26448f47201ec40fcf3b6405631c85d3 |
python/cpython | python__cpython-121518 | # Missing IPv6 testcase for for IPv6 with part of IPv4
# Feature or enhancement
### Proposal:
The same IPv6 address can be writed different ways, one of which is extended IPv4 form, like '::1.2.3.4', which may be detect as IPv4 by mistake. Thats why we must be sure, that ipaddress correctly detect this IPv6 address ... | 9f0879baf15fdcf89f1b85cc244d596d4d0f4e47 | 830f04b5056db92ba96387db0a778dcd19a39522 |
python/cpython | python__cpython-130606 | # `test_concurrent_futures` TSAN failures
# Bug report
I enabled `test_concurrent_futures` in the thread sanitizer job yesterday in:
* https://github.com/python/cpython/pull/129826
Unfortunately, this is causing fairly frequent failures in the TSAN job, especially for the default (GIL-enabled) build, which I hadn't... | 959f43315e165a868888808d30025785d4ae3e7c | b251d409f9cf6a84e6d7a78d284467f57c97a63a |
python/cpython | python__cpython-130603 | # Use `fail-fast: false` for thread sanitizer CI
The thread sanitizer CI fails often enough that I think we want to use `fail-fast: false` so that a thread sanitizer failure doesn't cancel other running CI jobs that are part of the same workflow.
Suggested by @AA-Turner.
<!-- gh-linked-prs -->
### Linked PRs
* gh-13... | fda056e64bdfcac3dd3d13eebda0a24994d83cb8 | 959f43315e165a868888808d30025785d4ae3e7c |
python/cpython | python__cpython-130588 | # token module documentation is incomplete
# Documentation
The [`token` docs](https://docs.python.org/3/library/token.html) use a generated list of tokens, with short blurbs for the OP tokens but nothing for the other (more interesting) ones.
Some tokens (`COMMENT`, `NL`, etc.) have secondary, hand-written definition... | 4bced29a74c4dbcf310a47e8202292aaa39b617b | b8367e7cf3d740fdc401902b502c0ef2ccc6197c |
python/cpython | python__cpython-130685 | # We are running out of space for specialized opcodes
The opcode space is laid out as follows:
* Normal instructions
* Gap (>30 instructions)
* RESUME (opcode 149)
* Specialized instructions
* Gap (3 instructions)
* Instrumented instruments
If we need to add four more specializations and/or instrumented instruction... | aeb23273867b27818a3dabd5fca086a1a2e8d229 | e4a60248b031d9e327443f1f2627e66865f8a9c9 |
python/cpython | python__cpython-130778 | # Race between `dict_dealloc` and `split_keys_entry_added` under free threading
# Bug report
### Bug description:
In the following code it appears we race on the `dk_nentries` of a split keys dict.
```python
import concurrent.futures
import functools
import threading
import _testcapi
num_threads = 32
def closure(... | 80e6d3ec4972220587c8b883161311a49ea8d0ff | d91cc9db155024b0a221cf32f4f49617544618bf |
python/cpython | python__cpython-131537 | # threading: Exception at shutdown on musllinux_1_2_i686
# Bug report
### Bug description:
When `cibuildwheel` runs the `musllinux_1_2_i686` configuration, I often see exceptions logged when the end-of-process GC runs:
```
Exception ignored in: <function _DeleteDummyThreadOnDel.__del__ at 0xf2be5578>
Traceback (m... | cb93b6fc5ea525f8075cb53ec373356fec63903a | 7ce2f101c4b1c123860c90bf67ccc20a7805ea48 |
python/cpython | python__cpython-130523 | # Add meta tags for template pages
https://github.com/python/docs-community/issues/65 added generation for most pages excluding the template pages leaving us with no meta tags for the most important pages!
<!-- gh-linked-prs -->
### Linked PRs
* gh-130523
* gh-132238
* gh-132239
<!-- /gh-linked-prs -->
| f5639d87f59043d3075dbd3d9075f30e872dd91a | c0de6500249469e6fc5b458d6afb6bad1b6755cd |
python/cpython | python__cpython-130553 | # `test_free_threading.test_dict` on TSAN/free-threading is flaky
# Bug report
### Bug description:
We have:
```
0:04:15 load avg: 7.63 [20/23/2] test_free_threading worker non-zero exit code (Exit code -6 (SIGABRT)) -- running (2): test_socket (1 min 38 sec), test_threading (38.8 sec)
python: Objects/obmalloc.c:12... | 45bc120d4504bff215938bca3f1d08cee2ed7a91 | 5c8e8704c39110da15956b0678303aff7dffb3be |
python/cpython | python__cpython-130487 | # test_venv fails from within venv
# Bug report
### Bug description:
The test_venv tests were too strict about executable names, causing failures when running the test suite from within a virtual environment created from the built Python. Rather than enforcing specific executable names, it makes more sense to make t... | d780f0af2bd7b9ef8cf46d28c5d495d1c980b1f0 | 813bc5694bd8aa43165468c5ea1dc27af973611d |
python/cpython | python__cpython-130502 | # add ability to specify name for `tk.OptionMenu` and `ttk.OptionMenu`
# Feature or enhancement
### Proposal:
In current implementation of `tk.OptionMenu` and `ttk.OptionMenu`, we can not specify name to them since adding additional `kwargs` raises `unknown option` error
Since after initialization of widget `name` ... | e490c00dac16d458bb66ad157fda2edd0a2d0a14 | 1e9cc3d502773d2dd3b420ecf5b949d902e010c3 |
python/cpython | python__cpython-130481 | # Move duplicate `LOAD_SMALL_INT` optimization from codegen to CFG
# Feature or enhancement
### Proposal:
Addressing https://github.com/python/cpython/pull/129568#discussion_r1938588949
Currently both codegen & peepholer optimize `LOAD_CONST` for small integers to `LOAD_SMALL_INT`. CFG can do it alone, so we don't ... | 55815a6474c59001f0230e44560341b643268e87 | 26511993e63265ea5928aabe6af96d89e20f0553 |
python/cpython | python__cpython-134177 | # Compilation of HACL fails under macOS Silicon for version 3.14
# Bug report
### Bug description:
Related issues: #123748, #130366, #129043
Problem:
In Python 3.14.0a5, when compiling on macOS Silicon without specifying the `--enable-universalsdk` parameter (as there is no need to compile a universal version for x... | 5130a4d5d74b19d704099cb40758527c1894185a | 4672060d86722e7daf946220812613938c54a5eb |
python/cpython | python__cpython-130436 | # The documentation for `MultipartConversionError` is outdated
# Documentation
[The document](https://docs.python.org/ja/3.14/library/email.errors.html#email.errors.MultipartConversionError) mentions the `add_payload` method, but `add_payload` no longer exists and has been replaced by `attach`. This exception seems t... | b536e371044f9e9b1b34cc8276a01e67550b5428 | baae9cb159e240ee9474ce7c02f88c233390777a |
python/cpython | python__cpython-130420 | # Do not build the freeze module twice in case of Windows PGO builds
# Feature or enhancement
### Proposal:
From https://github.com/python/cpython/pull/129907#issuecomment-2648775431
> Avoiding the rebuild of `_freeze_module` and the refreezing would be nice, but it's not a huge deal (a few seconds in a ~hour long r... | 3a555f09f387a0212e5961535ae4e31178b26c11 | 78e09a488d41066dea5f8dcf22405a0d5dd8be23 |
python/cpython | python__cpython-130385 | # `test_sys.SysModuleTest.get_allocated_blocks` test precondition intermittently fails on iOS
# Bug report
### Bug description:
#130007 introduced a change to the handling of C stack limits. This change intermittently causes the `test_sys.SysModuleTest.get_allocated_blocks()` test to fail:
```
======================... | 8a76eb846926384a48bb1997bbf5c162fe29fc5d | 7ed3dc6392613832f66c63507385b1da109cbf21 |
python/cpython | python__cpython-130689 | # Py_DECREF() in interpreter doesn't call `_PyReftracerTrack(op, PyRefTracer_DESTROY)`
# Bug report
https://github.com/python/cpython/blob/6c450f44c283c61d0e1ada05ead9524a1fe97962/Python/ceval.c#L72-L85
Tracemalloc only handles `PyRefTracer_CREATE` events and we don't have any tests for `PyRefTracer_DESTROY` events.... | c5abded09995f208b21ebaf012185ca5acb0180b | 3a91ee97245639c7c4f8852418157d3fc0ec1a82 |
python/cpython | python__cpython-130509 | # Zipapp archives are always empty
# Bug report
### Bug description:
Good evening,
I have recently installed Python 3.13 (Windows x64) over 3.12.
Now `zipapp.create_archive(..)` is creating just empty archives.
After some fiddling around I found there might be an issue in these lines:
(from zipapp.py, lines 113 f... | 64ccbbbf367c7510090a6f5faf826a21102a8bc6 | f976892b7db011f3f039be615f4a759b8c487db3 |
python/cpython | python__cpython-130372 | # _LOAD_ATTR_WITH_HINT should be able to work lock-free in the free-threaded builds
# Feature or enhancement
### Proposal:
This is just doing a dictionary lookup, which we can do lock-free. We should do the same thing we do for lock free dict lookups using the hinted location.
### Has this already been discussed el... | 2984ff9e5196aa575c7322c2040d55dd4d4eaa02 | 00f0771e4dbd8c8b66b302ebc16bb21f5d46b304 |
python/cpython | python__cpython-132349 | # asyncio: Re-reverse deprecation of set_event_loop?
# Feature or enhancement
### Proposal:
The asyncio policy system is deprecated in python 3.14 (#127949). As implemented, this includes the `asyncio.set_event_loop()` function. However, in 2022, [it was decided](https://github.com/python/cpython/pull/98440#issueco... | 05d27a84f4a85d777239e95e6d9b6dae8b32c538 | e6ef47ac229b5c4a62b9c907e4232e350db77ce3 |
python/cpython | python__cpython-130321 | # gettext: Missing tests for fallback translations
For `NullTranslations` and `GNUTranslations` instances, it is possible to add a fallback that is invoked when a translation is not found via `t.add_fallback(fallback)`. However, this is currently not tested, neither for `NullTranslations`, nor for `GNUTranslations`. W... | 4d58c8cb247b585051bfbacd79f77aafd18986b7 | 4a88bbacb38934a7f6c6ba7a7976cbf877dbae21 |
python/cpython | python__cpython-130452 | # struct (un)packing of half-precision `nan` floats is non-invertible
# Bug report
### Bug description:
I noticed that chaining `struct.unpack()` and `struct.pack()` for IEEE 754 Half Precision floats (`e`) is non-invertible for `nan`. E.g.:
```python
import struct
original_bytes = b'\xff\xff'
unpacked_float = st... | 6157135a8d0bc2dbd5c24d1648d04a9c24a7d17e | 922049b613d155ade4c4a8f83452767bea003a9f |
python/cpython | python__cpython-130126 | # We shouldn't lock to clear an object
# Feature or enhancement
### Proposal:
Currently we lock to clear the attributes of an object because we just re-use setting a managed dict to NULL. But if we haven't created a managed dictionary then there's no need to lock the object, it's no longer referenced externally.
#... | 6c450f44c283c61d0e1ada05ead9524a1fe97962 | 69426fcee7fcecbe34be66d2c5b58b6d0ffe2809 |
python/cpython | python__cpython-130136 | # We shouldn't use locking APIs when creating sets in bytecode
# Feature or enhancement
### Proposal:
Currently we hit a locking API for populating sets during comprehensions and set literals. We should use a lock-free API as the object isn't exposed yet.
### Has this already been discussed elsewhere?
No response ... | d9411ae3c2f6b59d97a0a16ad3dd148cc58ad943 | 7101cba6bf12639e277f7681b90a70c11368cabb |
python/cpython | python__cpython-130310 | # Pushing temporary, non-object pointers to the stack between micro-ops is counter-productive
Currently, we allow micro-ops to push temporary non-object pointers to the stack to be consumed by the following micro-op.
This has a number of disadvantages. We originally allowed this for a number of reasons, most of which ... | 54965f3fb25b381995a73b09d928c344bd2b86bd | ab11c097052757b79060c75dd4835c2431e752b7 |
python/cpython | python__cpython-130333 | # Colorize tests fail on iOS Xcode 16.2
# Bug report
### Bug description:
The iOS buildbot was recently updated to run on Sequoia, with Xcode 16.2 and an iOS 18.2 simulator. This has revealed a set of test failures that weren't occurring on Xcode 15.4 and iOS 17.2:
The failures are all in the `test__colorize` tests... | 1b070060c025a00d43566a6df65aa7631861d7af | ee337bea01beb3da6dccfe1b48db9a4c891b05a1 |
python/cpython | python__cpython-130388 | # iOS testbed fails to start on completely clean Xcode install machine
# Bug report
### Bug description:
The iOS testbed contains tooling to tail the log of a simulator while a test suite runs. It identifies the simulator by generating an initial list of simulators; and then polling until that list increases by one ... | 99088ab081279329b8362e1c24533fa0be303e6f | 56e337d32b88630f2c35458231cd61929f1be6d4 |
python/cpython | python__cpython-130291 | # random.sample raises "IndexError: pop from empty list" when both "population" and "counts" are empty
# Bug report
### Bug description:
I just encountered the situation where I used `random.sample` but both the `population` and `counts` arguments were empty (my algorithm had nothing left to choose from). So, basica... | 286c517db0fedf8d923d6f9620bcbbac4333880d | 0c4248f88e279df3254d62b34dfa3204a92c56a0 |
python/cpython | python__cpython-130284 | # docs: fix deprecated or broken examples in urllib.request documentation.
# Documentation
While working on the issue #130132 , I encountered with some examples and I can see the W3C document is outdated with some examples of `urllib.request.urlopen()` in Example of `urllib.request`
These are following things I find... | fd459b115330b089da26a0555f45afced597942a | 557d2d20d484a7b22da39cdb876f6312ab66d561 |
python/cpython | python__cpython-130318 | # traceback.print_last behaving differently across python versions
# Bug report
### Bug description:
`traceback.print_last()` correctly prints the latest traceback for python 3.10.16 and 3.11.9, but it prints `NoneType: None` for 3.12.9 and 3.13.2
See also https://github.com/ipython/ipython/issues/14744, I original... | 6c982aeb547528174f8bc843267f584d8b133d14 | 73801864d866c76ae26a120b9db9de21b08f8b50 |
python/cpython | python__cpython-130237 | # Issues with Decimal and three-argument pow()
# Crash report
1. Three-argument `pow()` with non-Decimal first argument does not work in the Python implementation.
```pycon
>>> from decimal import Decimal
>>> pow(10, Decimal(2), 7)
Decimal('2')
>>> from _pydecimal import Decimal
>>> pow(10, Decimal(2), 7)
Traceback (... | b93b7e566e5a4efe7f077af2083140e50bd2b08f | 4374e1de87c54ba2291f49c2fa3a105bb6641ce6 |
python/cpython | python__cpython-130245 | # Crash when accessing the `asyncio` module state in task deallocation
# Crash report
### What happened?
Cross posting from https://github.com/agronholm/anyio/issues/870.
I noticed that with Python 3.14.0a5 (it doesn't happen in a4) anyio's tests for asyncio run successfully and only in the end the info about the c... | 5f00501a940a0fb97870e70066fb301909320388 | 660f126f870535b6fa607e6d9cdd3cdbd9ed2cb1 |
python/cpython | python__cpython-130215 | # Undocumented public C-API `PyEllipsis_Type`
# Documentation
`PyEllipsis_Type` is in the limited API and not documented.
<!-- gh-linked-prs -->
### Linked PRs
* gh-130215
* gh-130223
* gh-130224
<!-- /gh-linked-prs -->
| fc8c99a8ce483db23fa624592457e350e99193f6 | f55d0b66be225e4a7fe6d8c50e8b49fd37b4ecc9 |
python/cpython | python__cpython-130281 | # `_PyObject_ResurrectEnd` may deallocate object in the "resurrection" case
# Bug report
See https://github.com/python/cpython/issues/130163#issuecomment-2661465164 for reproducer.
> Yeah, I think that's another bug with `_PyObject_ResurrectEnd`. In the resurrection case, the object may still be deallocated. In part... | f963239ff1f986742d4c6bab2ab7b73f5a4047f6 | c5f925c8c948736bd64652918b4e0186b91abbb5 |
python/cpython | python__cpython-130196 | # pygettext: Remove unused option `-a/--extract-all`
It has never been implemented. PR soon
@tomasr8
<!-- gh-linked-prs -->
### Linked PRs
* gh-130196
* gh-130254
<!-- /gh-linked-prs -->
| 4374e1de87c54ba2291f49c2fa3a105bb6641ce6 | 99d965635ae2ac4bffdc318ee05b96c59262d165 |
python/cpython | python__cpython-130208 | # Increase test coverage of `gettext.c2py`
`gettext.c2py` is not fully covered:
(`_parse` is called by `c2py`)
We need to cover negation (e.g. `!n`) and an invalid ternary (e.g. `n ? 1 2`)
<!-- gh-linked-prs -->
### Linked PRs... | fb2d325725dcc881868b576b9d0d9f4bf7f24fe0 | 422f8e9e02e68d45aee3846751a003a70fca13b6 |
python/cpython | python__cpython-130186 | # Some tests are skipped in `test_functools`
# Bug report
### Bug description:
`TestCache` is not used by any other test class in the module. I'm guessing it was intended to be used as `TestLRU` but it currently does not run:
https://github.com/python/cpython/blob/9837c2a21457e4eacabf606c44ec42d1962f11f1/Lib/test/t... | 73d03005b028eb6e4d1a643f3ca7a1f5ff2040fc | c9b1bf302ce67031e0309a9b0ea55ecdd68ed682 |
python/cpython | python__cpython-130180 | # Missing `Py_CLEAR/Py_VISIT` calls for `Unpickler.persistent_load_attr` and `Pickler.persistent_id_attr`
# Bug report
### Bug description:
I found that `Unpickler.persistent_load_attr` and `Pickler.persistent_id_attr` can be set, but never clear. However, I didn't find any uses of them.
Another issue, I found tha... | e7f00cd14f6a0c0dee6e733ac3e2c5d92e0809bb | 56495f81fc7205b572173a03d418e0f9291f9eea |
python/cpython | python__cpython-130178 | # Some tests are skipped in `test_gettext`
# Bug report
### Bug description:
`PluralFormsInternalTestCase` does not inherit from `unittest.TestCase` so the test is not picked up:
https://github.com/python/cpython/blob/9837c2a21457e4eacabf606c44ec42d1962f11f1/Lib/test/test_gettext.py#L405-L407
### CPython versions ... | 2e8044a4f74f5fc19e5249139c171403aff0118d | 361083b84b0db975058b2d1f50dcbfd36f072caf |
python/cpython | python__cpython-130174 | # Possibly unnumbered list missing in Doc/c-api/function.rst
# Documentation
PyFunction_WatchEvent at c-api/function.rst has in the source file what seems to be a unnumbered list, but the built documentation has everything in a single line. Should it be formatted as a unnumbered list instead?
https://github.com/pyth... | 9837c2a21457e4eacabf606c44ec42d1962f11f1 | 798f8d3ea9f54ee80a684bff74f67ee7d99e35c2 |
python/cpython | python__cpython-130192 | # Signature.bind allows certain positional-only parameters as keywords
# Bug report
### Bug description:
Prior to 3.13, the following code correctly raised a `TypeError` (I've tested 3.8-3.12, but see the last paragraph below):
```python
def fun(x, /, **kwargs):
pass
import inspect
sig = inspect.signature(fun)
... | dab456dcefd886bde44eb204dc6f1b2f14de0e9d | 01ba7df49966eaf14f44962a77898840c70dda96 |
python/cpython | python__cpython-130165 | # unaligned numbered list text and extra paragraph in collections.abc
# Documentation
[collections.abc](https://docs.python.org/3/library/collections.abc.html) has an almost numbered list in the beginning of the doc, but it is not correctly indented as such. This causes the text to not be rendered with indentation as... | 8e96adf4532943360f09df04cd7d3a5d35f61a24 | 38642bff139bde5c0118bc75fda25badc76b85fc |
python/cpython | python__cpython-129954 | # match: confusion regarding `_` in match statements
# Documentation
https://docs.python.org/3.13/tutorial/controlflow.html#tut-match makes it look like `_` is not executed when no other branch is executed
<!-- gh-linked-prs -->
### Linked PRs
* gh-129954
<!-- /gh-linked-prs -->
| 1b5db5adfec10d90cf5c7abd6817452be4f0b909 | ba05a4ebcb67506b4e6d65ea11e78d06f57dc23b |
python/cpython | python__cpython-130152 | # Reference leaks in `_hashlib.hmac_new` and `_hashlib.hmac_digest`
# Bug report
### Bug description:
The following leaks:
```py
def test_leak1(self):
import _hashlib
self.assertRaises(TypeError, _hashlib.hmac_new, b"key", 1, "sha256")
```
The issue is in `_hashlib_hmac_new_impl`:
```c
self = PyObject... | 071820113f11b8f6a21f98652d0840e10268114c | 72ea3c030a81262af64ebcae2e83ce2ff529bcef |
python/cpython | python__cpython-130150 | # Refactor tests for HMAC
The tests for HMAC are organized in such a way that makes the adoption of HACL* HMAC harder. More precisely, it'll be a bit harder to test the OpenSSL *and* the HACL* implementation of HMAC (for instance, some tests may or may not work with HACL* as they only support a subset of the hash func... | 8f11af45de68459d9d4051812aa5ddaf6a98dcb2 | a105f990199f99a352efd481ac039604feceaab5 |
python/cpython | python__cpython-130146 | # loop.run_forever can remove running loop if already running
Reproducer:
```py
import asyncio
async def main():
loop = asyncio.new_event_loop()
try:
loop.run_forever()
except RuntimeError:
pass
print(asyncio.get_running_loop())
asyncio.run(main())
```
Output:
```console
cpytho... | a545749b0e6c56cab853c5c8df3c199b9707994f | a05433f24a6e1c6d2fbcc82b7a372c376a230897 |
python/cpython | python__cpython-130140 | # ast.parse() without optimize=True doesn't error on invalid AST type
```
>>> ast.parse(ast.Constant(42))
Constant(value=42, kind=None)
>>> ast.parse(ast.Constant(42), optimize=True)
Traceback (most recent call last):
File "<python-input-4>", line 1, in <module>
ast.parse(ast.Constant(42), optimize=True)
~... | c9b1bf302ce67031e0309a9b0ea55ecdd68ed682 | 2e8044a4f74f5fc19e5249139c171403aff0118d |
python/cpython | python__cpython-130280 | # docs: add an explicit `close()` call to `urlopen` examples without `with`
# Documentation
The [documentation](https://docs.python.org/3/library/urllib.request.html#examples) for `urllib.request` uses `urlopen()` 3 times without either `with` or manual closing. Although technically possible, this is not recommended.... | 77d2fd441320ca365c34e21c475d3878f3d5d833 | 3f50f96586d46497e4d9de065c4424fe2d72508e |
python/cpython | python__cpython-130324 | # Clarify the meaning `dataclasses.field(..., hash=False)`
See https://discuss.python.org/t/unclear-docs-for-dataclasses-field/80716. Currently the docs are:
> hash: This can be a bool or None. If true, this field is included in the generated [\_\_hash\_\_()](https://docs.python.org/3/reference/datamodel.html#object.... | 47ace539950fb675d5968736348f0d724ba199f0 | 1b070060c025a00d43566a6df65aa7631861d7af |
python/cpython | python__cpython-130124 | # __new__ tp-wrapper can be deferred on free-threaded builds
# Feature or enhancement
### Proposal:
`__new__`'s wrapper is small, doesn't hold onto other things except the circular reference between it and the type, meaning the GC reclaims it anyways. We may as well defer it and be able to load cached values.
### H... | 5a586c3e81ab53bb1f6c20a4c80b4eb69d429410 | e65e9f90626a4c62da4d3500044f354b51e51dbb |
python/cpython | python__cpython-130119 | # `typing.Annotated` does not flatten through `typing.TypeAliasType`
# Bug report
### Bug description:
As described in the [documentation](https://docs.python.org/3/library/typing.html#typing.Annotated), nested `Annotated` types are supposed to be flattened. This works well with legacy type aliases but not with the ... | b936ccdb6f6bd11250b4e638b6fa2c239907ca58 | 529012e26fc43d9b101b034d372b443a24bdf2af |
python/cpython | python__cpython-130391 | # Active thread list may be inaccurate due to data type mismatch
# Bug report
### Bug description:
https://github.com/python/cpython/commit/0e9c364f4ac18a2237bdbac702b96bcf8ef9cb09 changed `thread_get_ident` to convert a `unsigned long long` vs the previous `unsigned long`.
```c
static PyObject *
thread_get_ident(P... | 72123063ddee84bb2c9d591a23f420997e35af5a | 345baa77ba2ce3b8ea8f2fad84754e5cc0b10938 |
python/cpython | python__cpython-130107 | # Small typo in https://docs.python.org/3/library/unittest.mock.html#where-to-patch
https://docs.python.org/3/library/unittest.mock.html#where-to-patch has the text "which we will have to do then it imports" which should be "which we will have to do when it imports" (i.e. `s/then/when/`).
The source for this is
http... | d2e60d8e598b622573b68b80b4fbf98c021dd087 | 39cd9728a6770d8fe7937c57385cda5c2e25a223 |
python/cpython | python__cpython-130251 | # Inconsistent behavior of ternary pow() for Python classes and C extension types
# Bug report
### Bug description:
Consider an example:
```pycon
Python 3.13.1 (tags/v3.13.1:0671451779, Dec 4 2024, 07:55:26) [GCC 12.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import exam... | 62ff86fa55c903a8362a64ecc363d8443aff2d07 | 72da4a445867648ee668bfc68a9bb659dfebe658 |
python/cpython | python__cpython-130101 | # Parallel import of modules causes a ModuleNotFoundError
# Bug report
### Bug description:
Using the free-threading build parallel import of modules causes a `ModuleNotFoundError`. The module that cannot be found can differ. A minimal reproducer:
```python
import sys
from threading import Thread, Barrier
from impor... | 857bdba0ac66ed7963e9fca45ab1a5f7a32b4bfb | 8207454bc00db8efa0e05c93381ecc8e3efc86a7 |
python/cpython | python__cpython-130092 | # Data race in `PyThread_tss_delete` and `_PyThreadState_Attach`
# Bug report
There are a few data races during Python shutdown. This report involves thread-local variables using `Py_tss_t`.
It can be reproduced sometimes by running `test_threading.test_import_from_another_thread` with TSAN repeatedly.
```
WARNING:... | 7aeaa5af2c32f1f87b59f36f89e19284e24b26b9 | e06bebb87e1b33f7251196e1ddb566f528c3fc98 |
python/cpython | python__cpython-129907 | # Support PGO for clang-cl
# Feature or enhancement
### Proposal:
Support PGO (profile guided optimization) for clang-cl on Windows using a similar approach as done in the Linux makefiles for clang.
### Has this already been discussed elsewhere?
No response given
### Links to previous discussion of this feature:... | d8a1cf469e40b538a84e583ac1d5d34418ed9a6a | 3dd3675492a3fc3b7996613ef75a9044ee7449b0 |
python/cpython | python__cpython-130081 | # Implement PEP 765
This issue serves as a tracker for implementing PEP-765.
<!-- gh-linked-prs -->
### Linked PRs
* gh-130081
* gh-130087
* gh-130930
* gh-131400
* gh-131471
* gh-131577
* gh-131745
<!-- /gh-linked-prs -->
| 56495f81fc7205b572173a03d418e0f9291f9eea | 73d03005b028eb6e4d1a643f3ca7a1f5ff2040fc |
python/cpython | python__cpython-130071 | # `exec(<string>, closure=<non-None>)` failed assertion
# Crash report
### What happened?
Minimal repro:
```python
print("Reproducing!")
exec("", closure=object())
```
Fails with
```
Reproducing!
python: Python/ast.c:1047: _PyAST_Validate: Assertion `!PyErr_Occurred()' failed.
Aborted (core dumped)
```
Note the e... | 954b2cf031fb84ff3386251d5c45281f47229003 | d7df7815f555a4a5d6f4308072cbacd1286e8060 |
python/cpython | python__cpython-130061 | # Pygettext: Support translator comments
# Feature or enhancement
### Proposal:
Most gettext extraction tools such as xgettext or pybabel allow one to extract additional comments written by
the programmer which are meant to be read by the translator. These are prefixed with `#.` in the PO file.
The comments typical... | aa845af9bb39b3e2ed08bbb00a8e932a97be8fc0 | 6669905723238d45cde6c8a9b40579bfe73c76c1 |
python/cpython | python__cpython-130053 | # Some error paths do not set Exceptions in _testexternalinspection
# Bug report
### Bug description:
Following @colesbury findings at https://github.com/python/cpython/issues/130035#issuecomment-2654033286, I did a manual inspection of `_testexternalinspection` and found a few more cases where Exception should be s... | 69426fcee7fcecbe34be66d2c5b58b6d0ffe2809 | ca22147547413229a933e3d9cac21cbecf1183fe |
python/cpython | python__cpython-130051 | # Memory leaks at _testexternalinspection
# Bug report
### Bug description:
Following @colesbury findings at https://github.com/python/cpython/issues/130035#issuecomment-2654033286, I did a manual inspection of `_testexternalinspection` and found some memory leaks in `parse_coro_chain`, `parse_task` and `get_async_s... | 633853004c5b20827872a32e99cebef52ae0f531 | 1b27f36eb0ef146aa60b261a1cffcc6fd55c0e88 |
python/cpython | python__cpython-130040 | # Tail calling interpreter for Windows
# Feature or enhancement
### Proposal:
Add new build flag for it.
### Has this already been discussed elsewhere?
No response given
### Links to previous discussion of this feature:
_No response_
<!-- gh-linked-prs -->
### Linked PRs
* gh-130040
<!-- /gh-linked-prs -->
| a8ee1e16f545d721318afe8fe5330ddb4df7e3e3 | 4192ce17ba643e5b0bc9d2182a429002e4cc9dfe |
python/cpython | python__cpython-130043 | # Python 3.14.0a5 i686 Linux freethreading-debug build fails: gc_free_threading.c:1077: mark_heap_visitor: Assertion "gc_get_refs(op) >= 0" failed: refcount is too small
# Bug report
### Bug description:
I try to build freethreading-debug Python 3.14.0a5 for i686 Fedora Linux with a consistent failure: `/builddir/bu... | e09442089eb86d88d4b5a96e56f713cb31173ae9 | 791cdfe1416a591e240b8ffc6f10eb6f659c8277 |
python/cpython | python__cpython-130026 | # iOS testbed clone breaks on some symlinks
# Bug report
### Bug description:
The iOS testbed project is able to use symlinks when referring to the XCframework (or simulator Framework slice of an XCframework). This saves significant disk space and startup time as the need to copy the full framework is eliminated.
T... | 625470a7d2c6aa79b5e60ffe17785ccc2547a090 | 2a0256f588e5c8ea3892521009ae3834c407cd69 |
python/cpython | python__cpython-130058 | # Data race in `_PyType_AllocNoTrack` in free threaded build
# Bug report
Seen in https://github.com/python/cpython/actions/runs/13272883082/job/37056243083?pr=130015
```
WARNING: ThreadSanitizer: data race (pid=17248)
Write of size 8 at 0x7fbca00601d0 by thread T2652:
#0 __tsan_memset <null> (python+0xdc7a8) ... | 0559339ccdc76a63dcbd14eb2d60a41f493a1ded | c357d690033e2f976ddb6e11b8199e3fb9f66118 |
python/cpython | python__cpython-130005 | # PGO amd64 build broken on Windows: "Internal compiler error"
# Bug report
### Bug description:
The Windows release build is failing for 3.14.0a5 for MSVC 14.42.34433 on AMD64:
```
Merging D:\a\1\b\bin\amd64\python314!1.pgc
D:\a\1\b\bin\amd64\python314!1.pgc: Used 25.9% (16346384 / 63139840) of total spac... | 247b50dec8af47ed8a80069117e07b7139f9d54f | 374abded070b861cc389d509937344073193c36a |
python/cpython | python__cpython-130001 | # Some Windows API calls in winreg didn't release the GIL
# Bug report
### Bug description:
I'm not sure whether we should release the GIL in every Windows API call, but for specific Windows API calls, sometimes the GIL gets released, like [here](https://github.com/python/cpython/blob/1da412e574670cd8b48854112ba118c... | 7a504b3d5da98874536834481539c19ba4a265af | 6a2296329117463fd09abc73656f1d7b48076100 |
python/cpython | python__cpython-129996 | # socket.create_server: dualstack_ipv6 and family
# Documentation
Calling `socket.create_server` with `dualstack_ipv6=True` expect `family=AF_INET`. For example:
```
socket.create_server(("", 12345), family=socket.AF_INET, dualstack_ipv6=True)
```
raise `ValueError`.
There is nothing about it docs. We should add th... | 044a1e13d5cfc91b0a8774e936877e91cbac3a16 | a175d64e30b0ff9f011aea2da6d6e21ccfdcd893 |
python/cpython | python__cpython-129991 | # `--without-tail-call-interp` actually enables the tail-call interpreter, instead of disabling!
In `configure.ac`, if the user passes `--tail-call-interp` in the negative, we set `Py_TAIL_CALL_INTERP` to `0`: https://github.com/python/cpython/blob/1feaecc2bc42cb96f2d7bdc8d7083171bdcd0929/configure.ac#L7027-L7032
How... | 359c7dde3bb074e029686913f531457eb121d1dd | c26bed1160978fe8b1844878b8123778e47870c6 |
python/cpython | python__cpython-132295 | # computed-goto interpreter: Prevent the compiler from merging `DISPATCH` calls
- [Work-in-progress test branch here](https://github.com/python/cpython/compare/main...nelhage:cpython:computed-goto-nomerge)
As a reminder: when compiling the interpreter using computed gotos, we emit a separate copy of the "dispatch" ju... | 1f5682f3a27516833f7c317707dd359280dba6e7 | 67ded6a4faae29edff8e4f7886978e71ce116e33 |
python/cpython | python__cpython-129985 | # Immortal objects don't have the deferred bit set by default
# Bug report
### Bug description:
`_PyObject_HEAD_INIT` defines objects w/ an immortal reference count, but it doesn't set `_PyGC_BITS_DEFERRED`. This results in these objects (like small ints) not being cachable in the specializing interpreter loop for f... | 28f5e3de572e1f688b05126d395cf3aadd5ab8ad | 0559339ccdc76a63dcbd14eb2d60a41f493a1ded |
python/cpython | python__cpython-130015 | # Data race in `compile_template` in `sre.c`
# Bug report
Concurrent accesses to `module_state->compile_template` in the free threaded build
https://github.com/python/cpython/blob/1feaecc2bc42cb96f2d7bdc8d7083171bdcd0929/Modules/_sre/sre.c#L1169-L1177
<!-- gh-linked-prs -->
### Linked PRs
* gh-130015
* gh-130038
<!... | 3cf68cdd3e1809df4e426c61f6990de63747ec6f | 469d2e416c453b19d7a75fe31ceec732445e9ef2 |
python/cpython | python__cpython-129981 | # Include test suite name in TSAN log filename
# Feature or enhancement
If you run a lot of tests that log TSAN reports to a file, you are likely to get a bunch of different log files that look pretty similar. For example, something like:
```
tsan_log.3313980
tsan_log.3315274
...
```
It can be difficult to figure o... | 3b548adc765a83bedc316b19cb922a02c7a201f1 | 247b50dec8af47ed8a80069117e07b7139f9d54f |
python/cpython | python__cpython-129978 | # nogil set `clear` causes concurrent `__str__` to print as empty dict
# Bug report
### Bug description:
Hi,
We're a research group focused on testing concurrent runtimes. Our work-in-progress prototype found that the current nogil build `__str__` can return `"{}"` (empty dict) instead of the expected `"set()"` whe... | a7427f2db937adb4c787754deb4c337f1894fe86 | 1f233f56d6a5216b18e8c3f6b8c14d7e5d62c340 |
python/cpython | python__cpython-129969 | # Add missing MIME types
# Feature or enhancement
### Proposal:
https://github.com/mikeckennedy/content-types identifies some common MIME types missing from the default `mimetypes` list.
Running https://github.com/mikeckennedy/content-types/blob/main/samples/compare_to_builtin.py on Python 3.13 to identify some mis... | 1cf9b6d9b8fbb5ebc3e9b42a3682684a983c78bc | d0a1e5c222f9f43b492b28806e2a185a50d64500 |
python/cpython | python__cpython-130882 | # JIT build crashes on Windows on Arm
# Crash report
### What happened?
The JIT on Windows on Arm (tested on Windows 11 Pro) is broken. It builds successfully but then the first test fails straightaway crashing the binary.
Also if I run the REPL and start typing commands, it stays alive for a few seconds and then d... | 02de9cb9a8fa5b0ae3947231b8c0677834aaee45 | 5d8db36bbbab166c4c221ee6e283f090475c5def |
python/cpython | python__cpython-130063 | # Vague behavior when single quoted f-string format_spec contains line break
# Bug report
### Bug description:
```python
>>> value = 123
>>> f"{value:.{'2'}f}" # '123.00'
>>> f"{value:.
{'2f'}}" # '123.00'
# but, shouldn't this one below also be valid?
>>> f"{value:.
... {'2'}f}" # invalid
>>> f"{value:
... {'.2f'}}... | 2f8b08da475152adea59b6bf98e2d0cb73dd8a59 | e01e5829020e517eb68a47da4dd65926a9d144de |
python/cpython | python__cpython-129949 | # Add `set()` to `multiprocessing.managers.SyncManager`
# Feature or enhancement
### Proposal:
The SyncManager provides support for various data structures such as dict, list, and queue, but oddly, it does not support set. This inconsistency feels little bit weird.
Unless there is a specific reason, I propose addin... | 9f81f828c797f842d1df0a5cbda898bc0df8075a | a65366ed879a3d9f27cbcc811ed2e05ad1a2af06 |
python/cpython | python__cpython-129940 | # Add darkmode support for difflib's comparison pages
# Feature or enhancement
### Proposal:
Previously, a similar change was made in https://github.com/python/cpython/pull/123475, which was considered a new feature.
### Ha... | 12bd15f7b378879ed7971d14a4388cd9a38a14dc | 3b366a4a4b0cea483824adbc2fa5a19d82d3dc6a |
python/cpython | python__cpython-129929 | # Refactor sqlite3 error handler
In most error cases, we can use the error indicator from the SQLite database pointer when we raise exceptions. However, for some SQLite C APIs, we have to use the result code directly. This is the case for some of the blob APIs, where the error indicator is not stored on the database p... | 3b366a4a4b0cea483824adbc2fa5a19d82d3dc6a | 3a2e7aacf6f414bbbedaf072e7cb1b48e3d402fa |
python/cpython | python__cpython-131025 | # Update installers to use SQLite 3.49
### Proposal:
We'e been skipping some SQLite versions lately; currently we're shipping the macOS and Windows installers with SQLite 3.45.3 (released 300 days ago, 2024-04-15). SQLite 3.49.0 recently came out, so we should probably hold off upgrading for a couple of weeks to see ... | 45a3ab5a81769eadd94da3e26eb9bb2f3ae80fb1 | 2e96f5ae4d1700d77a53180b4866c5b9f002e62d |
python/cpython | python__cpython-130044 | # The tp_dictoffset and Py_TPFLAGS_MANAGED_WEAKREF flag
From the `tp_dictoffset` slot documentation:
>"It is an error to set both the **`Py_TPFLAGS_MANAGED_WEAKREF`** bit and `tp_dictoffset`."
I think the `Py_TPFLAGS_MANAGED_WEAKREF` flag is being used **incorrectly** in this context. Do you mean the `Py_TPFLAGS_MANA... | 791cdfe1416a591e240b8ffc6f10eb6f659c8277 | 633853004c5b20827872a32e99cebef52ae0f531 |
python/cpython | python__cpython-129914 | # pygettext: help output for keywords prints the whole keyword dictionary
# Bug report
### Bug description:
The `--keyword` entry when printing the help via `./python Tools/i18n/pygettext.py --help` shows the whole keyword dictionary:
```
-k word ... | 9d1e668e6f40967dda5cbb1ce298bf0dff2d807c | 3bd3e09588bfde7edba78c55794a0e28e2d21ea5 |
python/cpython | python__cpython-129901 | # Exit code in case of an error is always 1 since Python 3.13
# Bug report
### Bug description:
We noticed a failure of our Vim test suite on the Github Windows runners, when it was updated from python3.12 to python3.13.
Vim basically does run in a terminal `exit(123)` and expects the return code to be 123, however... | 90b82f2b61219c8f94e2deddc989a4c4fe9ea7c7 | 8ada7a9e1435302ec2cb73375122072d0e1cdd6f |
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