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-112396 | # Support getters and setters in Argument Clinic
# Feature or enhancement
In the C API, getters and setters are implemented using `PyGetSetDef`. Argument Clinic doesn't currently support writing getters and setters, probably because they are pretty straightforward to write manually -- there's not much argument parsin... | 7eeea13403882af63a71226433c9a13b80c22564 | 0785c685599aaa052f85d6163872bdecb9c66486 |
python/cpython | python__cpython-112201 | # Race between asyncio Condition.notify() and Task.cancel() may result in lost wakeups.
# Bug report
### Bug description:
A Task which issues a `condition.notify(1)` to wake up a `Task` from a set of waiting tasks to perform some task, e.g. consume a piece of data, may hit a *race condition* with a simultaneous `can... | 6b53d5fe04eadad76fb3706f0a4cc42d8f19f948 | 96bce033c4a4da7112792ba335ef3eb9a3eb0da0 |
python/cpython | python__cpython-112195 | # Convert more examples to doctests in `typing` module
# Feature or enhancement
There are multiple examples that are very similar to doctests, but are not doctests.
I propose adding `>>>` and `...` to them, so these examples would be checked during tests (since now we have this feature).
There are some easy one... | 949b2cc6eae6ef4f3312dfd4e2650a138446fe77 | 9fb0f2dfeed6cf534b0188154e96b976d6a67152 |
python/cpython | python__cpython-126972 | # Increase the precision of the summary in `trace` module
# Feature or enhancement
### Proposal:
With the current trace module, you'll have a summary like this if you enable summary
```
lines cov% module (path)
154 24% _weakrefset (/home/gaogaotiantian/programs/mycpython/Lib/_weakrefset.py)
1... | 12397a5781664bf43da98454db07cdfdec3ab815 | dabcecfd6dadb9430733105ba36925b290343d31 |
python/cpython | python__cpython-112187 | # Improve test case `test_loop_is_closed_resource_warnings`
If this exception is expected then why not use `self.assertRaises` etc?
_Originally posted by @kumaraditya303 in https://github.com/python/cpython/pull/111983#discussion_r1393608295_
<!-- gh-linked-prs -->
### Linked PRs
* gh-1... | 18c692946953e586db432fd06c856531a2b05127 | 2bcc0f7d348fd978c8e7c7c377fcdcb7b050cb1d |
python/cpython | python__cpython-113220 | # `StopIteration` in a generator in a thread hanging on asyncio
# Bug report
### Bug description:
```python
import asyncio
def a():
raise StopIteration
try:
await asyncio.to_thread(a)
except:
print(3.12.0)
```
other cases: https://github.com/agronholm/anyio/pull/477
### CPython versions tested on:
... | 4826d52338396758b2d6790a498c2a06eec19a86 | 5d8a3e74b51a59752f24cb869e7daa065b673f83 |
python/cpython | python__cpython-115194 | # Move the `eval_breaker` to `PyThreadState`
# Feature or enhancement
The `eval_breaker` is a variable that keeps track of requests to break out of the eval loop to handle things like signals, run a garbage collection, or handle asynchronous exceptions. It is currently in the interpreter state (in `interp->ceval.eval... | 0749244d13412d7cb5b53d834f586f2198f5b9a6 | e71468ba4f5fb2da0cefe9e923b01811cb53fb5f |
python/cpython | python__cpython-112191 | # `asyncio.getaddrinfo` manifests in misleading DNS timeouts when thread pool executor is saturated
# Bug report
### Bug description:
There is no mention in https://docs.python.org/3/library/asyncio-eventloop.html#dns that `asyncio.getaddrinfo` is just a ThreadPoolExecutor-based wrapper around sync getaddrinfo (... | fc297b4ba4c61febeb2d8f5d718f2955c6bbea0a | 1500a23f33f5a6d052ff1ef6383d9839928b8ff1 |
python/cpython | python__cpython-112183 | # Off-by-one index error in __main__.py doc
Very minor issue, the '2' here should be '3' on the RHS of the comparison (given we really want to return sys.argv[2] from the ternary).
<img width="635" alt="image" src="https://github.com/python/cpython/assets/135147320/77b4c680-0c6e-48e1-9642-6e2fa55f8bae">
https://... | 8cd70eefc7f3363cfa0d43f34522c3072fa9e160 | f92ea63f6f2c37917fc095a1bc036a8b0c45a084 |
python/cpython | python__cpython-112161 | # Backport `regen-configure` target to supported branches
# Feature or enhancement
### Proposal:
Follow-up from https://github.com/python/cpython/pull/112090 and related to https://github.com/python/release-tools/issues/70, I am proposing using the `regen-configure` makefile target in release tools and therefore... | f21a5f773964d34c7b6deb7e3d753fae2b9c70e2 | 33a5f2af59ddcf3f1b0447a8dbd0576fd78de303 |
python/cpython | python__cpython-112156 | # `typing.py` contains two doctests that are not executed, ever
# Feature or enhancement
`typing.py` contains at least two doctests: https://github.com/python/cpython/blob/81ab0e8a4add53035c87b040afda6d554cace528/Lib/typing.py#L3377-L3414
But, they are not ever executed.
I propose to add a `DocTestSuite` to `test_t... | 7680da458398c5a08b9c32785b1eeb7b7c0887e4 | 12c7e9d573de57343cf018fb4e67521aba46c90f |
python/cpython | python__cpython-112158 | # Typo in docstring for override decorator from `typing` module.
# `typing` module documentation
## Typo description
A typo in docstring for `override` decorator. Under `Usage::` we see the following code.
```python
class Base:
def method(self) -> None: ...
pass
class Child(Base):
@override... | 12c7e9d573de57343cf018fb4e67521aba46c90f | bd89bca9e2a57779c251ee6fadf4887acb364824 |
python/cpython | python__cpython-112143 | # help(): Display complex signatures in multiple lines
# Feature or enhancement
### Proposal:
Here's the help() output for a reasonably complex typed method ([link](https://github.com/quora/pyanalyze/blob/fc239e15e52cb524138c02b16135a03008a08c64/pyanalyze/name_check_visitor.py#L1107)):
```
Help on function __init__... | a9574c68f04695eecd19866faaf4cdee5965bc70 | 0229d2a9b1d6ce6daa6a773f92e3754e7dc86d50 |
python/cpython | python__cpython-112138 | # Change dis output to display labels instead of offsets
TODO:
- [x] test for output with offsets
- [x] ``--`` instead of ``None`` for missing line number? - in another PR.
# Feature or enhancement
```
>>> def f():
... for i in x:
... if y:
... z
...
>>> dis.dis(f)
1 ... | 10e1a0c91613908757a5b97602834defbe575ab0 | 790db85c7737c2ebbb145f9a26f675a586c5f0d1 |
python/cpython | python__cpython-121262 | # [C API] Removed private _PyArg_Parser API has no replacement in Python 3.13
Copy of @tacaswell's [message](https://github.com/python/cpython/issues/112026#issuecomment-1813356876):
> aio-libs/multidict is also using `_PyArg_Parser` and friends (e.g. https://github.com/aio-libs/multidict/blob/18d981284b9e97b11a4c0... | f8373db153920b890c2e2dd8def249e8df63bcc6 | 7c66906802cd8534b05264bd47acf9eb9db6d09e |
python/cpython | python__cpython-112504 | # None __ne__ behavior changes in 3.12
# Bug report
### Bug description:
```
Python 3.11.6 (tags/v3.11.6:8b6ee5b, Oct 2 2023, 14:57:12) [MSC v.1935 64 bit (AMD64)] on win32
>>> None.__ne__(None)
False
```
```
Python 3.12.0 (tags/v3.12.0:0fb18b0, Oct 2 2023, 13:03:39) [MSC v.1935 64 bit (AMD64)] on win32
>>> None.... | 9c3458e05865093dd55d7608810a9d0ef0765978 | b449415b2f1b41e1c44cb453428657fdf6ff1d36 |
python/cpython | python__cpython-112106 | # `readline.set_completer_delims` has no effect with libedit
# Bug report
### Bug description:
`readline.set_completer_delims` works fine with GNU readline, but not with libedit.
A quick example:
```python
import readline
readline.set_completer_delims("\n")
if "libedit" in getattr(readline, "__doc__", ""):
re... | 2df26d83486b8f9ac6b7df2a9a4669508aa61983 | ac4b44266d61651aea5928ce7d3fae4de226f83d |
python/cpython | python__cpython-112093 | # Contradicting statement in c-api/stable.rst
# Documentation
> So, code compiled for Python 3.10.0 will work on 3.10.8 and vice versa, but will need to be compiled separately for 3.9.x and 3.10.x.
> \- [https://docs.python.org/3/c-api/stable.html](https://docs.python.org/3/c-api/stable.html#stable:~:text=So%2C%20co... | 68a7b78cd5185cbd9456f42c15ecf872a7c16f44 | 7fa511ba576b9a760f3971ad16dbbbbf91c3f39c |
python/cpython | python__cpython-112090 | # Consider avoiding the dependency on quay.io server in the GitHub Action "Check if generated files are up to date" job
Last weeks/months, the `quay.io` server failed time time time. The problem is that the Python workflow has a GitHub Action "Check if generated files are up to date" job which pulls a container image ... | d9fd33a869d2be769ff596530f63ee099465b037 | 7e2308aaa29419eadeef3a349c7c4d78e2cbc989 |
python/cpython | python__cpython-113764 | # Make `list` objects thread-safe in `--disable-gil` builds
# Feature or enhancement
I expect this to be implemented across multiple PRs.
For context, here is the change from the `nogil-3.12` fork, but things might be done a bit differently in CPython 3.13: https://github.com/colesbury/nogil-3.12/commit/df4c51f8... | a023bc252dc744736bd21897c5a23a25b800df92 | 10d3f04aec745c6676ef31611549b970a78338b3 |
python/cpython | python__cpython-112128 | # Make `random.Random` thread-safe in `--disable-gil` builds
# Feature or enhancement
`random.Random` has mutable internal state. We should use the critical section API to make it thread-safe in `--disable-gil` builds.
For context, here is the change from the `nogil-3.12` fork. https://github.com/colesbury/nogil... | ac4b44266d61651aea5928ce7d3fae4de226f83d | 154f099e611cea74daa755c77df3b8003861cc76 |
python/cpython | python__cpython-112111 | # Make `functools.lru_cache` thread-safe in `--disable-gil` builds
# Feature or enhancement
We should make `functools.lru_cache` thread-safe in the `--disable-gil` builds.
For context, here is the commit from the `nogil-3.12` fork: https://github.com/colesbury/nogil-3.12/commit/041a08e339
**NOTES** (differenc... | 0ee2d77331f2362fcaab20cc678530b18e467e3c | 8cd70eefc7f3363cfa0d43f34522c3072fa9e160 |
python/cpython | python__cpython-113800 | # Make `set` thread-safe in `--disable-gil` builds
# Feature or enhancement
The `set` object is not currently thread-safe in `--disable-gil` builds. We should make it thread-safe by using the ["critical section" API](https://github.com/python/cpython/blob/0ff6368519ed7542ad8b443de01108690102420a/Include/internal/py... | c951e25c24910064a4c8b7959e2f0f7c0d4d0a63 | 3cdfdc07a9dd39bcd6855b8c104584f9c34624f2 |
python/cpython | python__cpython-112123 | # Provide a variant of `PyDict_SetDefault` that returns a new reference (instead of a borrowed reference)
The `PyDict_SetDefault(mp, key, defaultobj)` function returns a borrowed reference to the value corresponding to key. This poses a thread-safety issue particularly for the case where `key` is already in the dict. ... | de61d4bd4db868ce49a729a283763b94f2fda961 | 0e2ab73dc31e0b8ea1827ec24bae93ae2644c617 |
python/cpython | python__cpython-128270 | # http.client.HTTPResponse.read(-1) handled incorrectly
# Bug report
### Bug description:
`http.client.HTTPResponse` doesn't handle negative reads the same as other readers, for example the following code will hang for a significant amount of time:
```python
con = http.client.HTTPConnection("httpbin.org")
con.reque... | 4d0d24f6e3dff2864007c3cfd1cf7d49c6ee5317 | 8e57877e3f43e80762196f6869526d0c1585783a |
python/cpython | python__cpython-112094 | # Make `_struct` module thread-safe in `--disable-gil` builds
# Feature or enhancement
The `_struct` module has a few small issues:
* The use of `PyDict_GetItemWithError` returns a borrowed reference (should use `PyDict_GetItemRef`)
* The `state->cache` is lazily created; we should instead create it during `_st... | 4744f59a5e86690e76c35d9b9d79971ebe9a87d7 | 55f3cce821f8f18ddb485aa07bdf0190c358d081 |
python/cpython | python__cpython-113830 | # Make collections.deque thread-safe in `--disable-gil` builds
# Feature or enhancement
The `collections.deque` object has mutable internal state that would not be thread-safe without the GIL. We should use the critical section API to make it thread-safe. I think it might be cleanest to first convert most of the dequ... | dc978f6ab62b68c66d3b354638c310ee1cc844a6 | 474204765bdbdd4bc84a8ba49d3a6558e9e4e3fd |
python/cpython | python__cpython-114153 | # [Doc] Wrong parameter name for `concurrent.futures.Executor.map(fn, ...)
# Documentation
Just noticed that in the published documentation, the `concurrent.futures.Executor.map` says it takes some parameter named `func` as the first argument, however the implementation has it as `fn`.
This is a strictly documenta... | 8d26db45df479a54eccd2aced7d8a5ea9fd0ffa5 | 05008c27b73da640b63c0d335c65ade517c0eb84 |
python/cpython | python__cpython-113372 | # mimalloc: warning: unable to directly request hinted aligned OS memory
# Bug report
### Bug description:
Configuration:
```sh
./configure --disable-gil --with-pydebug
```
Test Output:
```pytb
dietpi@DietPi:~/cpython$ ./python -m test test_cmd_line -v
=====================================================... | 9afb0e1606cad41ed57c42ea0a53ac90433f211b | 7de9855410d034b2b7624a057dbf7c3f58ee5328 |
python/cpython | python__cpython-112046 | # [C API] Revert of private functions removed in Python 3.13 causing most problems
Copy of my [Discourse message](https://discuss.python.org/t/revert-python-3-13-c-api-incompatible-changes-causing-most-troubles/38214).
Hi,
My [C API: My plan to clarify private vs public functions in Python 3.13](https://discuss.... | b338ffa4bc078fd363e8b0078eef4e0d6a071546 | 4bbb367ba65e1df7307f7c6a33afd3c369592188 |
python/cpython | python__cpython-112018 | # Provide `ctypes.memoryview_at()`
# Feature or enhancement
### Proposal:
It should be possible to easily make memoryview objects from pointer-able ctypes objects with an arbitrary length. In the same way we can currently use `ctypes.string_at()` to create `bytes` objects. The advantage of using `memoryview` objects... | b4f799b1e78ede17b41de9a2bc51b437a7e6dd74 | f21af186bf21c1c554209ac67d78d3cf99f7d7c0 |
python/cpython | python__cpython-112017 | # quit() and exit() don't work in interactive help
# Bug report
### Bug description:
I tried to use quit and exit to return to the interactive Python shell but these not work. I need to use Ctr +Z.
```python
Python 3.13.0a1 (tags/v3.13.0a1:ad056f0, Oct 13 2023, 09:51:17) [MSC v.1935 64 bit (AMD64)] on win32
# Add a ... | b28bb130bbc2ad956828819967d83e06d30a65c5 | d5491a6eff516ad47906bd91a13d71cdde18f5ab |
python/cpython | python__cpython-115540 | # inspect.unwrap() does not work with types with the `__wrapped__` data descriptor
# Bug report
`inspect.unwrap()` follows the chain by links `__wrapped__` and returns the last item in a chain or the original object if it does not have a `__wrapped__` attribute (there is also additional stop predicate and protectio... | 68c79d21fa791d7418a858b7aa4604880e988a02 | b05afdd5ec325bdb4cc89bb3be177ed577bea41f |
python/cpython | python__cpython-112002 | # Fix test_builtins_have_signatures in test_inspect
`test_builtins_have_signatures` in `test_inspect` is only passed by accident. It always passed because it checked the same object (the last object the `builtins` module, `zip`) in the loop that had no signature. But after adding the signature for `zip` in #111999 it ... | 40752c1c1e8cec80e99a2c9796f4fde2f8b5d3e2 | 12a30bc1aa0586308bf3fe12c915bcc5e54a032f |
python/cpython | python__cpython-112000 | # Add signatures for some builtins
# Feature or enhancement
Signature can be manually added for some builtin functions and classes that do not use Argument Clinic.
<!-- gh-linked-prs -->
### Linked PRs
* gh-112000
* gh-119540
* gh-119543
<!-- /gh-linked-prs -->
| 1d75ef6b6186619081c166b21c71c15b4f98beb8 | d0058cbd1cd7e72307adab45759e1ea6adc05866 |
python/cpython | python__cpython-116413 | # C-API for signalling monitoring events
# Feature or enhancement
### Proposal:
Language implementations for the CPython runtime (Cython, JIT compilers, regular expression engines, template engines, etc.) need a way to signal [PEP-669](https://peps.python.org/pep-0669/) monitoring events to the registered listen... | 85af78996117dbe8ad45716633a3d6c39ff7bab2 | da2cfc4cb6b756b819b45bf34dd735c27b74d803 |
python/cpython | python__cpython-111994 | # socket module does not include all getnameinfo flags
The `socket` module does not include `NI_IDN` `getnameinfo` flag.
See: https://man7.org/linux/man-pages/man3/getnameinfo.3.html
<!-- gh-linked-prs -->
### Linked PRs
* gh-111994
<!-- /gh-linked-prs -->
| fe9db901b2446b047e537447ea5bad3d470b0f78 | 62802b6228f001e1a4af6ac668a21d2dcec0ce57 |
python/cpython | python__cpython-113279 | # Update to SQLite 3.44 in Windows and macOS installers
SQLite 3.44 [is out](https://sqlite.org/releaselog/3_44_0.html). Let's wait some weeks and see if patch releases appear before bumping the version used by the installers.
<!-- gh-linked-prs -->
### Linked PRs
* gh-113279
* gh-113281
<!-- /gh-linked-prs -->... | 6a1d5a4c0f209d51ab33d6529935d643bcdb3ba2 | 76bef3832bae64664882e27ecb6f89800a12cf43 |
python/cpython | python__cpython-112249 | # unicode: make ucnhash_capi initialization thread-safe in `--disable-gil` builds
# Feature or enhancement
The `_PyUnicode_Name_CAPI` provides functions to get the name for a given Unicode character code and vice versa. It is lazily initialized and stored in the per-interpreter `_Py_unicode_state`:
https://github.co... | 0785c685599aaa052f85d6163872bdecb9c66486 | 81261fa67ff82b03c255733b0d1abbbb8a228187 |
python/cpython | python__cpython-113489 | # unicode: make `_PyUnicode_FromId` thread-safe in `--disable-gil` builds
# Feature or enhancement
The `_PyUnicode_FromId(_Py_Identifier *id)` function gets a Python `str` object (i.e., a `PyUnicodeObject`) from a static C string. Subsequent calls to `_PyUnicode_FromId()` return the same object. The initialization is... | 8f5b9987066f46daa67b622d913ff2c51c949ed4 | 36adc79041f4d2764e1daf7db5bb478923e89a1f |
python/cpython | python__cpython-111970 | # refactor dis so that it's easier to construct and display a list of Instruction() instances
I would like to use the dis module to display a list of Instruction instances, which is constructed externally.
Since the dis module currently expects a code object or string src code, this requires a refactor.
<!-- gh-... | b2af50cb0266f654cff126c7a78a4a7755bc3fbe | 40752c1c1e8cec80e99a2c9796f4fde2f8b5d3e2 |
python/cpython | python__cpython-113584 | # Use per-thread freelists in `--disable-gil` builds
# Feature or enhancement
CPython uses freelists for frequently allocated Python objects, like `dict`, `list`, and `slice`. There freelists are generally stored in the per-interpreter state, which is not thread-safe without the GIL. In `--disable-gil` builds, the ... | 57bdc6c30d2665c2760ff5a88487e57c8b3c397a | cdca0ce0ad47604b7007229415817a7a152f7f9a |
python/cpython | python__cpython-112116 | # Use critical sections to protect I/O objects (in `--disable-gil` builds)
# Feature or enhancement
The I/O objects, like [`io.BufferedIOBase`](https://docs.python.org/3/library/io.html#io.BufferedIOBase), [`io.TextIOWrapper`](https://docs.python.org/3/library/io.html#io.TextIOWrapper), and [`io.StringIO`](https://... | 77d9f1e6d9aad637667264c16c83d255526cc1ba | a6d25de375087e27777ebc1c0bd106d532ef9083 |
python/cpython | python__cpython-112471 | # Implement stop-the-world functionality (for `--disable-gil` builds)
# Feature or enhancement
The `--disable-gil` builds occasionally need to pause all but one thread. Some examples include:
* Cyclic garbage collection, where this is often called a "stop the world event"
* Before calling `fork()`, to ensure a consi... | 441affc9e7f419ef0b68f734505fa2f79fe653c7 | 5f1997896d9c3ecf92e9863177c452b468a6a2c8 |
python/cpython | python__cpython-112291 | # sys.monitoring: local events still sent after free_tool_id
# Bug report
### Bug description:
I use set_local_events with a tool id. Later I free the tool id, but then still get those events. Shouldn't freeing the tool id stop all events?
```python
import sys
print(sys.version)
sysmon = sys.monitoring
events = ... | 46500c42f09a8342efde48ad74327d5225158ff3 | 9d70831cb7127855a8bf83b585525f13cffb9f59 |
python/cpython | python__cpython-112049 | # dtoa: thread safety in `--disable-gil` builds
# Feature or enhancement
The `Python/dtoa.c` library is responsible for formatting floating point numbers (`double`) as strings and for parsing strings into numbers. The shared state is not thread-safe without the GIL:
1. `Balloc` and `Bfree` use a per-interpreter free... | 2d76be251d0aee89f76e6fa5a63fa1ad3f2b76cf | 9f67042f28bf886a9bf30fed6795d26cff255f1e |
python/cpython | python__cpython-111960 | # Thread-safe one-time initialization
# Feature or enhancement
Some CPython internals require initialization exactly once. Some of these one time initializations are not thread-safe without the GIL or have data races according to the C11 memory model.
We should add a lightweight, thread-safe one-time initialization ... | 446f18a911916eabd2c0ceed0c2a109fc8480727 | f66afa395a6d06097ad1ca222ed076e18a7a8126 |
python/cpython | python__cpython-111977 | # Document better assignment expression parentheses requirements
# Feature or enhancement
### Proposal:
Should we maybe thinks about allowing unparenthesized top-level assignment expressions. It came up on ipython/ipython#14214 that people would like to have something like that, especially in REPLs, in order to ... | 9a2f25d374f027f6509484d66e1c7bba03977b99 | d7cef7bc7ea5478abb90a37c8ffb0792cc6e7518 |
python/cpython | python__cpython-111976 | # TextIOWrapper.reconfigure() crashes if encoding is not string or None
# Crash report
### What happened?
Unlike to `TextIOWrapper` constructor, `TextIOWrapper.reconfigure()` does not check that the encoding argument is actually None or string. If it is not None, it calls `_PyUnicode_EqualToASCIIString` that only wo... | ee06fffd38cb51ce1c045da9d8336d9ce13c318a | a519b87958da0b340caef48349d6e3c23c98e47e |
python/cpython | python__cpython-111937 | # broken link to A.Neumaier article in built-in sum comment
# Bug report
### Bug description:
The new implementation of `sum` on Python 3.12 (cfr. https://github.com/python/cpython/issues/100425 , https://github.com/python/cpython/pull/100426 , https://github.com/python/cpython/pull/107785 ) is not associative on **... | 12a30bc1aa0586308bf3fe12c915bcc5e54a032f | ce6a533c4bf1afa3775dfcaee5fc7d5c15a4af8c |
python/cpython | python__cpython-112005 | # json: make "memo" dict local to scan_once call
# Feature or enhancement
The `Modules/_json.c` parser is mostly stateless (or the state is immutable). The one exception is the "memo" dictionary, which is used to avoid duplicate `PyUnicodeObject` instances for the same JSON C strings.
https://github.com/python/cpyth... | d0058cbd1cd7e72307adab45759e1ea6adc05866 | 9a2f25d374f027f6509484d66e1c7bba03977b99 |
python/cpython | python__cpython-112189 | # Make weakref thread-safe without the GIL
# Feature or enhancement
The current weakref implementation relies on the GIL for thread-safety.
The `nogil-3.12` fork substantially modifies the weakref implementation. I think we can implement a simpler change in CPython 3.13 (main) now that all PyObject's have their own ... | 0566ab9c4d966c7280a1c02fdeea8129ba65de81 | eb3c94ea669561a0dfacaca715d4b2723bb2c6f4 |
python/cpython | python__cpython-112207 | # Avoid changing the PYMEM_DOMAIN_RAW allocator during initialization and finalization
# Bug report
CPython current temporarily changes `PYMEM_DOMAIN_RAW` to the default allocator during initialization and shutdown. The motivation is to ensure that core runtime structures are allocated and freed using the same allo... | f823910bbd4bf01ec3e1ab7b3cb1d77815138296 | f8dcb8200626a1a06c4a26d8129257f42658a9ff |
python/cpython | python__cpython-111981 | # Make hashlib related modules thread-safe without the GIL
# Feature or enhancement
The hashlib based modules already have some locking to make some operations thread-safe (with the GIL), but the logic isn't sufficient if running with the GIL disabled.
Relevant files:
* Modules/_blake2/blake2b_impl.c
* Modules... | a6465605c1417792ec04ced88340cdf104a402b6 | 7218bac8c84115a8e9a18a4a8f3146235068facb |
python/cpython | python__cpython-111913 | # Run test_posix on Windows
When I searched for a place for tests for gh-111841, I have found that they already exist, but in `test_posix` which is skipped on Windows.
The simplest way is to make `test_posix` running on Windows. It turned out that most tests are already compatible with Windows, except this test and... | 64fea3211d08082236d05c38ee728f922eb7d8ed | 65d6dc27156112ac6a9f722b7b62529c94e0344b |
python/cpython | python__cpython-111907 | # Unused function warnings during mimalloc build on FREEBSD
# Bug report
### Bug description:
```c
cc -pthread -c -fno-strict-overflow -Wsign-compare -g -Og -Wall -O2 -pipe -std=c11 -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes -Werror=implicit-function-declaration -fvisibility=... | 0ff6368519ed7542ad8b443de01108690102420a | ee06fffd38cb51ce1c045da9d8336d9ce13c318a |
python/cpython | python__cpython-111904 | # Argument Clinic: Add support for PEP 703's critical sections (`Py_BEGIN_CRITICAL_SECTION()`)
# Feature or enhancement
PEP 703 in large part relies on replacing the GIL with fine grained per-object locks. The primary way to acquire and release these locks is through the critical section API (https://github.com/pyt... | 324531df909721978446d504186738a33ab03fd5 | 16055c160412544e2a49794aaf3aa70c584f843a |
python/cpython | python__cpython-111898 | # Enum HOWTO doesn't render well on mobile
Specifically the purple sidebar on in section [Functional API](https://docs.python.org/3/howto/enum.html#functional-api).
* The bar itself is hard to read.
* Text is way wider than the rest of the site.
* Text renders in a different font size.
In Chrome devtools devic... | 7d21e3d5ee9858aee570aa6c5b6a6e87d776f4b5 | bc12f791127896cd3538fac4465e3190447b2257 |
python/cpython | python__cpython-111884 | # libregrtest: Reduce number of imports at startup
Currently, when a test is run by ``./python -m test (...)``, the test starts with 170 modules already imported. The problem is that imports can have side effects and I would prefer to start tests in a "minimal environment".
Running a test with ``./python -m test (.... | 6f09f69b7f85962f66d10637c3325bbb2b2d9853 | 2f2a0a3a6c5494bcf13a8f587c28e30d86617ff0 |
python/cpython | python__cpython-113716 | # os.stat returns incorrect a/c/mtime for files without permissions under Windows in Python 3.12
# Bug report
### Bug description:
We are switching our product to Python 3.12 from Python 3.11.2 and our tests caught a difference in the way `os.stat` works under Windows. It returns negative values of `st_atime`, `... | ed066481c76c6888ff5709f5b9f93b92c232a4a6 | e68806c7122070078507b370b13bb225f8501ff8 |
python/cpython | python__cpython-111876 | # Objects in `NamedTuple` class namespaces don't have `__set_name__` called on them
# Bug report
### Bug description:
Generally speaking, any objects present in the namespace of a class `Foo` that define the special `__set_name__` method will have that method called on them as part of the creation of the class `Foo`... | 22e411e1d107f79a0904d41a489a82355a39b5de | ffe1b2d07b88e185f373ad696fbea5a7f2a315c1 |
python/cpython | python__cpython-118134 | # No max_children in socketserver.ForkingMixIn documentation
# Documentation
There is nothing about max_children attribute of socketserver.ForkingMixIn class in documentation.
<!-- gh-linked-prs -->
### Linked PRs
* gh-118134
<!-- /gh-linked-prs -->
| ff5751a208e05f9d054b6df44f7651b64d415908 | 705a123898f1394b62076c00ab6008c18fd8e115 |
python/cpython | python__cpython-111864 | # Rename `Py_NOGIL` to a positive term
From the [PEP 703 acceptance](https://discuss.python.org/t/pep-703-making-the-global-interpreter-lock-optional-in-cpython-acceptance/37075?u=hugovk):
> We want to avoid negatives in terms and flags and such, so we won’t get into double-negative terrain (like we do when we talk... | 3b3ec0d77f0f836cbe5ff1ab97efcc8b7ed5d787 | 1c8f912ebdfdb146cd7dd2d7a3a67d2c5045ddb0 |
python/cpython | python__cpython-112038 | # os.fstat() fails on FAT32 file system on Windows
# Bug report
### Bug description:
This is Python 3.12.0 x64 running on Windows 11. On a FAT32 drive, I have a file `f.txt`.
```python
>>> import os
>>> os.stat('f.txt')
os.stat_result(st_mode=33206, st_ino=4194560, st_dev=1589430838, st_nlink=1, st_uid=0, st_gid=0,... | 29af7369dbbbba8cefafb196e977bce8189a527d | d2f305dfd183025a95592319b280fcf4b20c8694 |
python/cpython | python__cpython-111849 | # Unify branches and deopts in the tier 2 IR.
The basic premise of optimizing traces is that most branches are highly biased.
So we use `DEOPT_IF` to branch in the uncommon case.
However in the optimizer we may want to move work to exit branches, which needs jumps.
Unifying branches and jumps also simplifies the ti... | 06efb602645226f108e02bde716f9061f1ec4cdd | 11e83488c5a4a6e75a4f363a2e1a45574fd53573 |
python/cpython | python__cpython-111850 | # Far too may failed optimization attempts in the tier 2 optimizer.
The [stats show](https://github.com/faster-cpython/benchmarking-public/blob/main/results/bm-20231102-3.13.0a1%2B-8794817/bm-20231102-azure-x86_64-mdboom-collect_tier2_stats-3.13.0a1%2B-8794817-pystats.md) that there are millions of optimization attemp... | 34a03e951b027902d993c7066ba8e6b7e92cb2a9 | 25c49564880e6868e4c76602f9f1650f0bc71c75 |
python/cpython | python__cpython-111842 | # os.putenv() on Windows truncates value on an embedded NUL
`os.putenv()` on Windows truncates a value containing an embedded null character.
```pycon
>>> import os
>>> os.putenv('xyz', 'abc\0def')
>>> os.system('''python.bat -c "import os; print(repr(os.environ['xyz']))"''')
Running Debug|x64 interpreter...
'... | 0b06d2482d77e02c5d40e221f6046c9c355458b2 | 2e7f0700800c0337a0b1b9471fcef410e3158250 |
python/cpython | python__cpython-111852 | # Add `seekable` method for `mmap.mmap`
# Bug report
### Bug description:
`mmap.mmap` has a `seek()` method, but no `seekable()` method. Because of this, it cannot be used an argument for ZipFile, which requires a file-like object with seekable. A small patch is enough to fix this
```python
class SeekableMma... | 6046aec377311efb89c4438f7cf412e2c6568ba1 | 30ec968befde2313f66af4754d410dc5a080a20a |
python/cpython | python__cpython-112130 | # `test_recursive_repr` from `test_xml_etree` triggers stack overflow protections for a debug build under WASI
Detected with WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-112130
* gh-112131
* gh-112132
<!-- /gh-linked-prs -->
| 7218bac8c84115a8e9a18a4a8f3146235068facb | d9fd33a869d2be769ff596530f63ee099465b037 |
python/cpython | python__cpython-112197 | # `test_repr_deep` from `test_userlist` triggers stack overflow protections for a debug build under WASI
Detected with WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-112197
<!-- /gh-linked-prs -->
| 43b1c33204d125e256f7a0c3086ba547b71a105e | f489ace9e7aaa29b5a83b0a74a247abc8b032910 |
python/cpython | python__cpython-112229 | # `test_repr_deep` from `test_userdict` triggers stack overflow protections for a debug build under WASI
Detected with WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-112229
<!-- /gh-linked-prs -->
| 14e539f0977aaf2768c58f1dcbbbab5ad0205ec5 | 10e1a0c91613908757a5b97602834defbe575ab0 |
python/cpython | python__cpython-111819 | # `test_forward_recursion_actually` from `test_typing` triggers stack overflow protections for a debug build under WASI
Detected with WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-111819
* gh-112223
<!-- /gh-linked-prs -->
| 0e83d941bea921380ce4a1494121f3ec30ae652e | 2f9cb7e095370e38bde58c79c8a8ea7705eefdc2 |
python/cpython | python__cpython-112225 | # `test_error_on_parser_stack_overflow` from `test_syntax` triggers triggers-out-of-bounds memory protection for a debug build under WASI
Detected with WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-112225
<!-- /gh-linked-prs -->
| 56e59a49ae4d9f518c5cc918aefe7eeee11736b4 | ce1096f974d3158a92e050f9226700775b8db398 |
python/cpython | python__cpython-111830 | # `test_recursion` from `test_richcmp` triggers stack overflow protections for a debug build under WASI
Detected with WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-111830
* gh-111831
* gh-111832
<!-- /gh-linked-prs -->
| f115a55f0e455a4b43a1da9fd838a60a101f182a | 0e83d941bea921380ce4a1494121f3ec30ae652e |
python/cpython | python__cpython-111869 | # `test_posix_fallocate()` fails under `test_posix` under WASI
```
======================================================================
ERROR: test_posix_fallocate (__main__.PosixTester.test_posix_fallocate)
----------------------------------------------------------------------
Traceback (most recent call last):... | 97c4c06d0d235aad00e5b6b10af8b8d68c889b9b | 31c90d5838e8d6e4c47d98500a34810ccb33a6d4 |
python/cpython | python__cpython-113996 | # `test_bad_getatttr` from `test_pickle` triggers stack exhaustion protections in a debug build under WASI
Detected using WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-113996
<!-- /gh-linked-prs -->
| 8aa126354d93d7c928fb35b842cb3a4bd6e1881f | b44b9d99004f096619c962a8b42a19322f6a441b |
python/cpython | python__cpython-113997 | # `test_infinitely_many_bases` from `test_isinstance` triggers stack overflow protection for a debug build under WASI
Detected with WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-113997
<!-- /gh-linked-prs -->
| 3c19ee0422e9b9f1582fb74931c174a84583bca0 | a47353d587b78bb5501b21343d9bca739c49a43a |
python/cpython | python__cpython-112150 | # `test_recursive_repr` from `test_io` triggers stack overflow protections in a debug build under WASI
Detected with WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-112150
<!-- /gh-linked-prs -->
| 974847be443e9798615e197ec6642e546a71a6b0 | 762eb58220992d1ab809b9a281d47c0cd48a5aec |
python/cpython | python__cpython-112181 | # `testRecursiveRepr` from `test_fileio` trigger stack overflow protections in a debug build under WASI
Detected using WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-112181
<!-- /gh-linked-prs -->
| f92ea63f6f2c37917fc095a1bc036a8b0c45a084 | ceefa0b0795b5cc7adef89bd036ce843b5c78d3e |
python/cpython | python__cpython-112124 | # `test_super_deep()` for `test_call` triggers a stack overflow protection under a debug build for WASI
Tested using WASI-SDK 20 and wasmtime 14.
<!-- gh-linked-prs -->
### Linked PRs
* gh-112124
* gh-114010
<!-- /gh-linked-prs -->
| bd89bca9e2a57779c251ee6fadf4887acb364824 | 81ab0e8a4add53035c87b040afda6d554cace528 |
python/cpython | python__cpython-111794 | # PGO build broken on Windows
# Bug report
### Bug description:
Building with --pgo on Windows seems to be broken on main (853b4b5).
My *hunch*, since this is failing in `ceval.c`, is that the recent [merge of the Tier 1 and Tier 2 interpreters](https://github.com/python/cpython/pull/111428) may have made the... | bc12f791127896cd3538fac4465e3190447b2257 | 6f09f69b7f85962f66d10637c3325bbb2b2d9853 |
python/cpython | python__cpython-111778 | # Assertion errors in Py_DEBUG mode when forgetting to untrack GC objects
This has been distilled from a crash we found at Google while upgrading to Python 3.11. It's a complicated setup and I have only been able to partially reproduce the issue, but I believe my solution is correct.
When extension types set `Py_TP... | ce6a533c4bf1afa3775dfcaee5fc7d5c15a4af8c | 21615f77b5a580e83589abae618dbe7c298700e2 |
python/cpython | python__cpython-111773 | # Specialization of member descriptors only handles `Py_T_OBJECT_EX` but `_Py_T_OBJECT` seems more common
Despite `_Py_T_OBJECT` being marked as deprecated in `descrobject.h` it is commonly used in the standard library.
`LOAD_ATTR_SLOT` de-optimizes if the stored value is `NULL`. If the stored value is not `NULL`, bo... | a7b0f63cdb83c0652fab19bbbc8547dfe309b1d2 | d78c872e0d680f6e63afa6661df5021775a03690 |
python/cpython | python__cpython-111770 | # Visibility of wsgiref.util.is_hop_by_hop
# Documentation
`wsgiref.util.is_hop_by_hop` is available inside the official documentation (https://docs.python.org/3/library/wsgiref.html#wsgiref.util.is_hop_by_hop), but https://github.com/python/cpython/blob/ba8aa1fd3735aa3dd13a36ad8f059a422d25ff37/Lib/wsgiref/util.py#... | f88caab467eb57cfe293cdf9fb7cce29b24fda7f | fe3fd2c333ac080dba1fa64452c2f62098107731 |
python/cpython | python__cpython-111766 | # Move old C API tests for floats to Lib/test/test_capi/
After #111624, we have C API tests for PyFloat_* both in Lib/test/test_float.py (pack/unpack tests) and Lib/test/test_capi/test_float.py. I think we should move remaining tests to Lib/test/test_capi/.
<!-- gh-linked-prs -->
### Linked PRs
* gh-111766
* gh-1118... | a077b2fbb88f5192bb47e514334f760bf08d0295 | 931f4438c92ec0eb2aa894092a91749f1d5bd216 |
python/cpython | python__cpython-135578 | # CI should run Undefined Behavior Sanitizer (UBSAN), as already done for ASAN
# Feature or enhancement
### Proposal:
cpython's CI should run Undefined Behavior Sanitizer (UBSAN), like it already does for Address Sanitizer (ASAN).
It already has support in configure for this with `./configure --with-undefined-behav... | 7a20c72cb612653fa46c41c3a969aefa2b52738b | 140731ff671395fb7a869c2784429c14dc83fb27 |
python/cpython | python__cpython-111748 | # DOC: fix link redirect to "Documentation Translations"
# Documentation
On the [Dealing with Bugs](https://docs.python.org/3.13/bugs.html) page there is a link to [Documentation Translations](https://devguide.python.org/documenting/#translating) which has been moved from https://devguide.python.org/documenting/#tr... | 72e27a67b97993f277e69c9dafb063007ba79adf | 853b4b549dab445c1b54610e118fefaeba3f35e2 |
python/cpython | python__cpython-111834 | # `breakpoint` does not enter pdb until the "next event" happens
# Bug report
### Bug description:
Consider the following code:
```python
try:
raise ValueError()
except Exception as exc:
breakpoint()
```
You can't stop in the `except` block, you'll get:
```
--Return--
> /home/gaogaotiantian/programs/mycpy... | f34e965e52b9bdf157b829371870edfde45b80bf | f6b5d3bdc83f8daca05e8b379190587a236585ef |
python/cpython | python__cpython-111742 | # Support webp formats in mimetypes as standard types
# Feature or enhancement
### Proposal:
WEBP is not recognised as a standard type and demands the user to use `strict=False` as in `mimetypes.guess_type("foobar.webp", strict=False)` to recognise it. This is because it was previously not recognised by IANA as an o... | b905fad83819ec9102ecfb97e3d8ab0aaddd9784 | 765b9ce9fb357bdb79a50ce51207c827fbd13dd8 |
python/cpython | python__cpython-111734 | # Outdated example code of typing.Concatenate
# Documentation
https://docs.python.org/3.12/library/typing.html#typing.Concatenate
Changed in version 3.12: Added support new generic syntax (pep695)
```python
from collections.abc import Callable
from threading import Lock
from typing import Concatenate, ParamSpec,... | c3e19c3a62e82b9e77563e934059895b6230de6e | 3e99c9cbf67225ec1d3bb6af812e883f19ef53de |
python/cpython | python__cpython-111730 | # `Doc/library/sqlite3.rst` has multiple doctest warnings
# Bug report
Link: https://github.com/python/cpython/actions/runs/6753865568/job/18360794210?pr=111723#step:8:82
```pytb
Document: library/sqlite3
-------------------------
Exception ignored in: <sqlite3.Connection object at 0x7f1684307130>
Traceback ... | a7702663e3f7efc81f0b547f1f13ba64c4e5addc | e338e1a4ec5e43a02447f4ec80320d7fc12b3ed4 |
python/cpython | python__cpython-111725 | # `Doc/howto/descriptor.rst` has a warning during doctest run
# Bug report
Warning:
```
Document: howto/descriptor
--------------------------
1 items passed all tests:
173 tests in default
173 tests in 1 items.
173 passed and 0 failed.
Test passed.
Exception ignored in: <sqlite3.Connection object at 0x7f8ea14d0d10>
... | f48e669504ce53040a04e0181064c11741a87817 | ac01e2243a1104b2154c0d1bdbc9f8d5b3ada778 |
python/cpython | python__cpython-111720 | # Input validations for `alias` command in `pdb`
# Feature or enhancement
### Proposal:
This is kind of between a bug and a feature. `alias`, admittedly a rarely used command, is very unpolished.
The documentation claimed
> Replaceable parameters can be indicated by %1, %2, and so on
But that's not the truth, `%1... | 853b4b549dab445c1b54610e118fefaeba3f35e2 | a6c1c04d4d2339f0094422974ae3f26f8c7c8565 |
python/cpython | python__cpython-113609 | # What’s New In Python 3.12: bad highlighting for Py_NewInterpreterFromConfig() example
In the "[PEP 684: A Per-Interpreter GIL](https://docs.python.org/3/whatsnew/3.12.html#pep-684-a-per-interpreter-gil)" section of "What’s New In Python 3.12", the C code snippet is highlighted as if it was Python.
<!-- gh-linked-pr... | 9ce6c01e38a2fc7a5ce832f1f8c8d9097132556d | 2849cbb53afc8c6a4465f1b3490c67c2455caf6f |
python/cpython | python__cpython-111707 | # [C API] Py_mod_multiple_interpreters Added to Limited C API Without Versioning
# Bug report
(See https://github.com/python/cpython/issues/110968#issuecomment-1766504893.)
When I added `Py_mod_multiple_interpreters`[^1] to Include/moduleobject.h, I forgot to restrict the limited API version in which it should be th... | 836e0a75d565ecb7e2485fee88dbe67e649a1d5f | c5063fd62a3fd3c5c2af33fc17c60fabe54282fe |
python/cpython | python__cpython-111694 | # asyncio.Condition.wait() sometimes propagates incorrect asyncio.CancelledError
# Bug report
### Bug description:
`asyncio.Condition.wait()` contains an edge case where a `CancelledError` on lock re-aquire is overwritten with a fresh `CancelledError` instance.
### CPython versions tested on:
CPython mai... | 52161781a6134a4b846500ad68004fe9027a233c | c6ca562138a0916192f9c3100cae678c616aed29 |
python/cpython | python__cpython-111706 | # New warning: "‘_session_is_active’ defined but not used [-Wunused-function]"
# Bug report
<img width="536" alt="Снимок экрана 2023-11-03 в 11 51 48" src="https://github.com/python/cpython/assets/4660275/98a21700-9d5e-44b3-88f8-a7204bb3e6b6">
Introduced in https://github.com/python/cpython/commit/93206d19a35106f64a... | df9815eb11b58dfaae02a8e3fb85ae8aa725dc17 | 20cfab903db70cf952128bc6b606e3ec4a216498 |
python/cpython | python__cpython-111667 | # Speed up `BaseExceptionGroup.{derive,subgroup,split}` by ~20%
There's a simple change that we can make to increase the preformance of these three methods. Right now they are defined as:
https://github.com/python/cpython/blob/f4b5588bde656d8ad048b66a0be4cb5131f0d83f/Objects/exceptions.c#L1491-L1493
However, the... | a28a3967ab9a189122f895d51d2551f7b3a273b0 | 890ef1b035457fe5d0b0faf27a703c74c33e0141 |
python/cpython | python__cpython-111664 | # Tier 2 pystats uop counts are missing
# Bug report
### Bug description:
7e135a48d619407cd4b2a6d80a4ce204b2f5f938 inadvertently removed the uop count pystats.
### CPython versions tested on:
CPython main branch
### Operating systems tested on:
Linux
<!-- gh-linked-prs -->
### Linked PRs
* gh-111664
<!-- /gh-li... | 25937e31883862c8f290bfb1f3b8ba0cd16675b3 | f4b5588bde656d8ad048b66a0be4cb5131f0d83f |
python/cpython | python__cpython-111661 | # socket.htons uses unnecessary METH_VARARGS
# Feature or enhancement
### Proposal:
By replacing calling convention to ```METH_O``` it will run faster
### Has this already been discussed elsewhere?
This is a minor feature, which does not need previous discussion elsewhere
### Links to previous discussion of this ... | 8fbe5314cd6544bdcd50b3a57e0f8a9c6bf97374 | 06efb602645226f108e02bde716f9061f1ec4cdd |
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