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-104788 | # Optimize and reduce memory usage for `asyncio.Task` and others
Tracker issue for performance work related to `asyncio.Task` for 3.13.
Two things of top of my head is to use bitfields and use newer managed dict optimization in `_asyncio`. I'll add whatsnew entry once all changes land under this issue.
<!-- gh-... | 829ac13b69a2b53153e1b40670e6ef82f05130c1 | 8da9d1b16319f4a6bd78435016ef1f4bef6e2b41 |
python/cpython | python__cpython-104891 | # Remove kwargs-based TypedDict creation
#90224 deprecated the creation of TypedDicts through the kwargs-based syntax (`TypedDict("TD", a=int, b=str)`). The syntax is to be removed in 3.13, so now is the time to do that.
<!-- gh-linked-prs -->
### Linked PRs
* gh-104891
<!-- /gh-linked-prs -->
| fea8632ec69d160a11b8ec506900c14989952bc1 | d08679212d9af52dd074cd4a6abb440edb944c9c |
python/cpython | python__cpython-104784 | # Remove locale.resetlocale() function in Python 3.13
Remove locale.getdefaultlocale() and locale.resetlocale() functions deprecated in Python 3.11: see issue #90817 for the rationale and the deprecation.
<!-- gh-linked-prs -->
### Linked PRs
* gh-104784
* gh-105381
* gh-105401
<!-- /gh-linked-prs -->
| 0cb6b9b0db5df6b3f902e86eb3d4a1e504afb851 | c7bf74bacd2b2db308e80e532153ffaf6dbca851 |
python/cpython | python__cpython-104781 | # Remove the 2to3 program and the lib2to3 module
The 2to3 program is implemented with the lib2to3 module which implements a parser of the Python language. Problem: this parser is unable to parse Python 3.10 grammar :-( This issue was already known in Python 3.9 when [PEP 617 – New PEG parser for CPython](https://peps.... | ae00b810d1d3ad7f1f7e226b02ece37c986330e7 | ddb14859535ab8091381b9d0baf32dbe245b5e65 |
python/cpython | python__cpython-104774 | # PEP 594: Remove stdlib modules scheduled for deletion in Python 3.13
[PEP 594](https://peps.python.org/pep-0594/) ("Removing dead batteries from the standard library") deprecated the following 19 modules in Python 3.11 (or before) and their removal in Python 3.13:
* [x] aifc
* [x] audioop
* [x] cgi
* [x] cgitb... | 7b00940f69ab26212ea375860a1956e157dd2c30 | 08d592389603500af398d278af4842cff6f22c33 |
python/cpython | python__cpython-104771 | # Let generator.close() return StopIteration.value
# Feature or enhancement
Change the `close()` method of generators to return the value of `StopIteration`.
# Pitch
If a generator handles the `GeneratorExit` thrown by `close()`, it can exit gracefully, raising `StopIteration` with its return value.
```py
... | d56c933992c86986bd58eb3880aed0ed1b0cadc9 | 50fce89d123b25e53fa8a0303a169e8887154a0e |
python/cpython | python__cpython-104765 | # test_enum tests fail because of the version bump to 3.13.0a0
Following the creation of the 3.12 branch and the bump of main to 3.13, test_enum started failing (https://github.com/python/cpython/actions/runs/5050528705/jobs/9061352655). This seems to be because a few tests are testing features that haven't landed in ... | 586aca3fc647c626c39e995d07d8bd7dd13e2d52 | 4194d8f2c40f478eb0fc9b6fa9b913baaff229da |
python/cpython | python__cpython-126649 | # AttributeError from stopping stopped patch which was started more than once
# Bug report
It seems, such bug appeared after https://github.com/python/cpython/commit/4b222c9491d1700e9bdd98e6889b8d0ea1c7321e
Suppose we have initialized patch, than call `start` more than once and than call `stop` more than once:
`... | 1e40c5ba47780ddd91868abb3aa064f5ba3015e4 | 2e39d77ddeb51505d65fd54ccfcd72615c6b1927 |
python/cpython | python__cpython-104743 | # tokenize.generate_tokens no longer reports lineno for indentation errors
`tokenize.generate_tokens` raises an exception for indentation errors. It used to populate the `.lineno` attribute of the exception, but as of yesterday, `.lineno is None`.
Test file:
```python
# parsebug.py
import io
import sys
import... | 729b252241966f464cc46e176fb854dbcc5296cb | 0a7796052acb9cec8b13f8d0a5f304f56f26ec5b |
python/cpython | python__cpython-104722 | # IDLE is unable to open any `.py` files
With a fresh CPython build (be0c106789322273f1f76d232c768c09880a14bd), IDLE is unable to open any `.py` files.
To reproduce:
1. Create an empty `.py` file with the name `repro.py`
2. Run `python -m idlelib repro.py`
IDLE still seems able to create new `.py` files and ... | ffe47cb623999db05959ec4b5168d1c87a1e40ef | 93923793f602ea9117f13bfac8cbe01a864eeb01 |
python/cpython | python__cpython-104700 | # test_mmap are leaked
Tried on current main branch.
```python
./python -m test -R 3:3 test_mmap
Running Debug|x64 interpreter...
0:00:00 Run tests sequentially
0:00:00 [1/1] test_mmap
beginning 6 repetitions
123456
......
test_mmap leaked [13, 13, 13] references, sum=39
test_mmap failed (reference leak)
... | 99b641886a09252bbcf99a1d322fa8734f1ca30d | b870b1fa755808977578e99bd42859c519e00bb7 |
python/cpython | python__cpython-104693 | # Race condition during installation in parallel builds
# Bug report
When running `make -j install`, it is possible for the `python3` symlink to be installed before all standard library modules are installed. If an external program tries to run Python at this moment it can lead to an execution error.
We are gett... | 990cb3676c2edb7e5787372d6cbe360a73367f4c | 81c81328a4fa13fead6f8cc9053a1a32a62a0279 |
python/cpython | python__cpython-104826 | # Threads started in exit handler are still running after their thread states are destroyed
Reproduced on main (663c049ff78a299bdf7c1a0444b9900e6d37372d), bisected to 283ab0e1c0.
```python
import atexit
import threading
def t0():
pass
def t1():
threading.Thread(target=t0).start()
def f():
th... | ce558e69d4087dd3653207de78345fbb8a2c7835 | eaff9c39aa1a70d401521847cc35bec883ae9772 |
python/cpython | python__cpython-104708 | # PEP 695 changed how class decorators are traced
Commit 24d8b88420b81fc60aeb0cbcacef1e72d633824a ("gh-103763: Implement PEP 695 (#103764)") changed how nested class decorators are traced.
Example file nightly-20230518.py:
```python
def decorator(arg):
def _dec(c):
return c
return _dec
@de... | cd9748409aa877d6d9905730bf68f25cf7a6a723 | 64d1b44a5459605af3e8572d4febfde021315633 |
python/cpython | python__cpython-104647 | # Modernise code in `Tools/clinic/`
# Feature or enhancement
Modernise some Python anachronisms in `Tools/clinic/`, to make the code more readable and maintainable. Some things that can be easily done:
- [x] Use `dict` instead of `OrderedDict` (#104647)
- [x] Simplify code like this by using the `str.removesuff... | 02b60035ceb735c3f7dd5bb7dc6a1508748a7a8d | 06eeee97e36aa6bb3d21d7cbc288763ae3a7b21e |
python/cpython | python__cpython-104682 | # Syntax highlighting issue in Turtle docs
# Documentation
A couple of function docs
- https://docs.python.org/3/library/turtle.html#turtle.setposition
- https://docs.python.org/3/library/turtle.html#turtle.pencolor
- https://docs.python.org/3/library/turtle.html#turtle.fillcolor
- https://docs.python.org/3/l... | 2c97878bb8a09f5aba8bf413bb794f6efd5065df | ff7f7316326a19749c5d79f9e44acdbe7d54ac4e |
python/cpython | python__cpython-104674 | # The `PyOS_*` hooks interact poorly with subinterpreters
`PyOS_InputHook` and `PyOS_ReadlineFunctionPointer` are globally-registered `input` hooks that have no way of recovering module-level state for the extensions that registered them. In practice, extensions like `readline` and `tkinter` get around this by using g... | 357bed0bcd3c5d7c4a8caad451754a9a172aca3e | 2c4e29e32260783207568dc8581d65f0022f773a |
python/cpython | python__cpython-104665 | # Plural vs Singular in enum documentation
# Documentation
Hi! I've just seen that classname in the example in the documentation for `IntEnum` (https://docs.python.org/3/library/enum.html#enum.IntEnum) is in the plural (`Numbers`) but for all the other enum examples a classname in the singular is used.
Since a s... | 3ac856e69734491ff8423020c700c9ae86ac9a08 | 27a7d5e1cd5b937d5f164fce572d442672f53065 |
python/cpython | python__cpython-104660 | # Location and text of f-string unclosed quote error is incorrect
Since the PEP 701 changes the error of unclosed triple quited f-string literals is now incorrect:
```
x = 1 + 1
y = 2 + 2
z = f"""
sdfjnsdfjsdf
sdfsdfs{1+
2}dfigdf {3+
4}sdufsd
""
```
Executing this file will show:
```
File "/Users/... | ff7f7316326a19749c5d79f9e44acdbe7d54ac4e | 663c049ff78a299bdf7c1a0444b9900e6d37372d |
python/cpython | python__cpython-104657 | # PEP 695: Rename typeparams to type_params in AST
PEP-695 introduces a few new AST attributes that are currently called `typeparams`, as specified in https://peps.python.org/pep-0695/#ast-changes. However, @AlexWaygood rightly points out (https://github.com/python/cpython/pull/104642#discussion_r1198996246) that `typ... | a5f244d627a6815cf2d8ccec836b9b52eb3e8de2 | ef5d00a59207a63c6d5ae0d5d44054847d1bf3b5 |
python/cpython | python__cpython-104646 | # marshal tests are sloppy with error checking
pymarshal_write_long_to_file and pymarshal_write_object_to_file pretend that PyMarshal_WriteLongToFile/PyMarshal_WriteObjectToFile can set an error.
pymarshal_read_last_object_from_file and pymarshal_read_object_from_file don't check for errors so they can call Py_Buil... | ac56a854b418d35ad3838f3072604227dc718fca | 8f1f3b9abdaa3e9d19aad22d6c310eb1f05ae5c2 |
python/cpython | python__cpython-104641 | # Walrus in comprehension can leak into PEP 695 scope
Example:
```pycon
>>> class B: pass
...
>>> class X[T]([(x := 3) for _ in range(2)] and B): print(x)
...
3
```
This is because a walrus in a comprehension assigns to the immediately enclosing scope, which is now the type parameter scope. I don't think... | 8a8853af24b41a73653d07dcc2f44d05b10e0673 | ab8f54668b0c49186f1da8e127e303ca73220017 |
python/cpython | python__cpython-104630 | # Clinic test are skipped on Windows
`test_clinic` is skipped on Windows. This is a regression introduced by gh-96178.
- The `Modules/_testclinic.c` helper extension module is not included in the Windows build
- `test.support.import_helper.import_module("_testclinic")` fails and skips the whole test, since `_testc... | 86ee49f469b84e4b746526a00d8191d0e374a268 | b9dce3aec46bf5190400bd8239fdd4ea9e64d674 |
python/cpython | python__cpython-104624 | # Bump SQLite to 3.42.0 on Windows and macOS installers
SQLite 3.42.0 was [released recently](https://sqlite.org/releaselog/3_42_0.html). Let's just bump the installers now. If patch releases appear (they probably will), we can just bump those during the beta.
See also https://github.com/python/cpython/issues/10299... | fd04bfeaf7a4531120ad450dbd1afc121a2523ee | 70c77964778817907fbcc2a047a2abad4eb6e127 |
python/cpython | python__cpython-107184 | # Subinterpreters can load modules without subinterpreter support
The first time a subinterpreter attempts to import a module without proper subinterpreter support, an `ImportError` is raised (which is correct). However, *subsequent* imports of the same module succeed!
Using `readline` as an example, since it's cur... | 017f047183fa33743f7e36c5c360f5c670032be3 | bcdd3072316181b49d94567bb648825a07ca9ae1 |
python/cpython | python__cpython-104637 | # PEP 709: Comprehension iteration variable leaks into outer locals()
Code:
```python
def __b():
[__a for __b in [__b] for _ in []]
return locals()
```
On #104603, calling this gives:
```
>>> __b()
{'__b': <function __b at 0x100e3e390>}
```
But on 3.11:
```
>>> __b()
{}
```
So the loc... | 70c77964778817907fbcc2a047a2abad4eb6e127 | 86e6f16ccb97f66f2b9a31191ce347dca499d48c |
python/cpython | python__cpython-104620 | # compiler can incorrectly optimize a run of stores to the same name preceded by a SWAP
If the `apply_static_swaps` optimization in the compiler sees the instruction sequence `SWAP 2; STORE_FAST a; STORE_FAST a`, it will optimize that by removing the `SWAP` and swapping the two instructions, resulting in `STORE_FAST a... | 0589c6a4d3d822cace42050198cb9a5e99c879ad | dcdc90d384723920e8dea0ee04eae8c219333634 |
python/cpython | python__cpython-105122 | # Type object's ob_type does not get set when tp_bases is set before PyType_Ready
<!--
If you're new to Python and you're not sure whether what you're experiencing is a bug, the CPython issue tracker is not
the right place to seek help. Consider the following options instead:
- reading the Python tutorial: ... | 146939306adcff706ebddb047f7470d148125cdf | 3698fda06eefb3c01e78c4c07f46fcdd0559e0f6 |
python/cpython | python__cpython-104651 | # Remove the `PREDICT` macros.
The `PREDICT()` macros are supposed to speed dispatch on platforms without computed gotos (i.e. Windows).
However the "predictions" are nothing like the actual [behavior observed](https://github.com/faster-cpython/ideas/blob/main/stats/pystats-2023-05-14-python-7d2deaf.md#pair-counts), ... | 064de0e3fca014e5225830a35766fb7867cbf403 | d63a7c3694d5c4484fcaa01c33590b1d4bc2559e |
python/cpython | python__cpython-104603 | # PEP 709: Crash with lambda + nested scope
This crashes on main:
```python
def a():
def a():
[(lambda : b) for b in [a]]
print(b)
```
The original reproducer (found with my fork of https://github.com/carljm/compgenerator) was
```python
class a:
def a():
class a:
... | dbe171e6098fbb96beed81db2c34f6428109e005 | 8a8853af24b41a73653d07dcc2f44d05b10e0673 |
python/cpython | python__cpython-104601 | # function.__type_params__ and type.__type_params__ should be writable
The PEP-695 implementation added a new attribute `__type_params__` to functions. I made this field read-only, but I realized there is a use case for writing to it: `functools.wraps`, when wrapping a generic function, should add the `.__type_params_... | 3fadd7d5857842fc5cddd4c496b73161b0bcb421 | f7835fc7e9617cefd87e72002916e258f589c857 |
python/cpython | python__cpython-105100 | # Pluggable optimizer API
We need an API for optimizers to be plugged in to CPython.
The proposed model is that of client server, where the VM is the client and the optimizer is the server.
The optimizer registers with the VM, then VM calls the optimizer when hotspots are detected.
The API:
```C
type struct... | 4bfa01b9d911ce9358cf1a453bee15554f8e4c07 | 601ae09f0c8eda213b9050892f5ce9b91f0aa522 |
python/cpython | python__cpython-104581 | # Remove `eval_breaker` and `kwnames` local variables from interpreter definition.
Currently there are quite a few local variables in `PyEval_EvalDefault()`.
Each of these is:
* A candidate for register allocation, confusing the compiler.
* Potentially adds extra state to the interpreter
* Adds complexity to autom... | 68b5f08b72e02f62ec787bfbb7aa99bac661daec | 662aede68b0ea222cf3db4715b310e91c51b665f |
python/cpython | python__cpython-104573 | # Error message for walrus etc. in PEP 695 contexts could be improved
Before:
```
>>> type A[T: (x:=3)] = int
File "<stdin>", line 1
SyntaxError: 'named expression' can not be used within a TypeVar bound
```
After:
```
>>> type A[T: (x:=3)] = int
File "<stdin>", line 1
SyntaxError: named expression... | 97db2f3e07bf7d56750e215e4f32653bf3867ef8 | 0cb2fdc6217aa7c04b5c798cfd195c8d0f4af353 |
python/cpython | python__cpython-104556 | # Typing: runtime-checkable protocols are broken on `main`
PEP-695 protocols don't work as intended:
Here's the behaviour you get with protocols that use pre-PEP 695 syntax, which is correct:
```pycon
>>> from typing import Protocol, runtime_checkable, TypeVar
>>> T_co = TypeVar("T_co", covariant=True)
>>> @r... | 1163782868454287ca9ac170aaebca4beeb83192 | f40890b124a330b589c8093127be1274e15dbd7f |
python/cpython | python__cpython-104605 | # RTSPS scheme support in urllib.parse
In accordance with
https://www.iana.org/assignments/uri-schemes/uri-schemes.xhtml
There are three valid RTSP schemes:
URI Scheme | Description | Status | Reference
-- | -- | -- | --
rtsp | Real-Time Streaming Protocol (RTSP) | Permanent | [RFC2326][RFC7826]
rtsps | ... | f3266c05b6186ab6d1db0799c06b8f76aefe7cf1 | 4cefe3cf10f498c0927ae4fdba4880d5a64826e4 |
python/cpython | python__cpython-104550 | # TypeAliasType should have a __module__
Currently the `__module__` attribute of TypeAliasType instances (created through `type X = ...`) is always `"typing"`. Let's set it to the actual module.
<!-- gh-linked-prs -->
### Linked PRs
* gh-104550
<!-- /gh-linked-prs -->
| b9dce3aec46bf5190400bd8239fdd4ea9e64d674 | 1c55e8d00728ceabd97cd1a5bd4906c9875a80c6 |
python/cpython | python__cpython-104537 | # multiprocessing.process._children is not multithread-safe, BaseProcess.close() function would cause AttributeError
<!--
If you're new to Python and you're not sure whether what you're experiencing is a bug, the CPython issue tracker is not
the right place to seek help. Consider the following options instead:
... | ef5d00a59207a63c6d5ae0d5d44054847d1bf3b5 | b9c807a260f63284f16e25b5e98e18191f61a05f |
python/cpython | python__cpython-104531 | # Switch Python to using native Win32 condition variables
`Py_HAVE_CONDVAR` denotes support for Python condition variable APIs. On Win32, the `_PY_EMULATED_WIN_CV` macro exists to allow condition variables to be emulated using Win32 critical section and semaphore APIs.
[Native Win32 support for condition variables]... | b3f0b698daf2438a6e59d5d19ccb34acdba0bffc | d29f57f6036353b4e705a42637177442bf7e07e5 |
python/cpython | python__cpython-104857 | # zipfile.write should check that it isn't appending an archive to itself
A common use pattern for zipfile is to recursively compress an entire directory into a single .zip file. A common implementation of this pattern looks like this:
```python
#!/usr/bin/env python3
import zipfile, pathlib
rootpath=pathlib.P... | 42fabc3ea767f10989363536eaaa9da32616ab57 | c9e231de8551ab6d06c92dfa95033150e52d7f1f |
python/cpython | python__cpython-104516 | # Ref leaks introduced by _io isolation (gh-101948)
Tried on current main.
```python
./python -m test -R 3:3 test_nntplib
0:00:00 load avg: 2.49 Run tests sequentially
0:00:00 load avg: 2.49 [1/1] test_nntplib
beginning 6 repetitions
123456
......
test_nntplib leaked [1222, 1220, 1222] references, sum=3664
te... | 442a3e65da2594bedee88a3e81338d86926bde56 | 0bb61dd5b0ffc248e18f1b33cddd18788f28e60a |
python/cpython | python__cpython-108090 | # Run `mypy` on `cases_generator`
# Feature or enhancement
After https://github.com/python/cpython/pull/104421 is merged, we now have the precedent and the needed infrastructure to run `mypy` on things that support type annotations in `Tools/`
# Pitch
Maybe we should run it on `Tools/cases_generator`? It has ... | 28cab71f954f3a14de9f474ce9c4abbd23c97862 | fd195092204aa7fc9f13c5c6d423bc723d0b3520 |
python/cpython | python__cpython-104591 | # IDLE: completions toplevel blank on Tk Aqua 8.7
https://github.com/python/cpython/blob/27d8ecd7f3325a40a967d2d6b6b36b21d5328753/Lib/idlelib/autocomplete_w.py#L185-L190
Using `wm geometry` to move an overrideredirect toplevel far enough offscreen triggers a strange bug in recent Tk Aqua 8.7 (assuming it isn’t actu... | 678bf57ed04b8c250f0bc031ebd264bece76e731 | 7fc8e2d4627cdba5cb0075c9052ed6f4b6ecd36d |
python/cpython | python__cpython-104789 | # Tkinter: Tk 8.7 alphabetizes options in certain error messages
As done by e.g. https://core.tcl-lang.org/tk/info/b7db31b3a38b and causing this Tkinter test to fail:
```
======================================================================
FAIL: test_configure_type (test.test_tkinter.test_widgets.MenuTest.test_... | 897e716d03d559a10dd5015ecb501ceb98955f3a | a989b73e8ebf869dcc71d06127e8797c92260a0f |
python/cpython | python__cpython-104585 | # Tkinter, IDLE: Future Tcl and Tk can have differing version/patchlevel
~~Tk 8.7 will be compatible with both Tcl 8.7 and Tcl 9.0; there is no Tk 9.0 currently in development. The version and/or patchlevel of Tcl and Tk will not necessarily be identical~~, but there are places in Tkinter code which assume they are. A... | aed643baa968b4959b830d37750080cac546fba7 | c649df63e0d052044a4660101d5769ff46ae9234 |
python/cpython | python__cpython-104495 | # Tkinter: Tk 8.7 quotes pathnames in certain error messages
Tk 8.7 (as of https://core.tcl-lang.org/tk/info/2991150c09f6) adds quotes around window pathnames in a few error messages, including those triggered by two Tkinter tests, causing them to fail:
```
=========================================================... | 3cba61f111db9b5e8ef35632915309f81fff8c6c | 9d41f83c58e6dc2fc6eb4b91f803551850b0adeb |
python/cpython | python__cpython-104493 | # Move BOLT autoconf logic after PGO
# Feature or enhancement
Just a simple refactor to tee us up for better BOLT / PGO integration in the build system.
<!-- gh-linked-prs -->
### Linked PRs
* gh-104493
<!-- /gh-linked-prs -->
| 27d8ecd7f3325a40a967d2d6b6b36b21d5328753 | 48b3617de491f00a3bf978b355074cc8e228d61b |
python/cpython | python__cpython-104491 | # Handle virtual / phony make targets consistently and more robustly
# Feature or enhancement
I already typed a detailed commit message explaining this. Will be explained by forthcoming PR linking to this issue.
<!-- gh-linked-prs -->
### Linked PRs
* gh-104491
<!-- /gh-linked-prs -->
| a6bcc8fb92ffb75bb1907cc568ba9fff516979c3 | b15a1a6ac6ea0d7792036e639e90f0e51400c2ee |
python/cpython | python__cpython-104488 | # PYTHON_FOR_REGEN only works with Python 3.10 or newer
On current `main`, `PYTHON_FOR_REGEN` only works with Python 3.10 or newer.
Previously, we've tried to maintain backwards compatibility with older Python versions in our build system. Last time we adjusted `PYTHON_FOR_REGEN` (gh-98988), we deliberately did not... | 146106a0f1cc61815fa33f0d3f808a3e3e3275be | 27d8ecd7f3325a40a967d2d6b6b36b21d5328753 |
python/cpython | python__cpython-104565 | # Add case_sensitive argument to `pathlib.PurePath.match()`
In #81079 we added a *case_sensitive* argument to `pathlib.Path.glob()` and `rglob()`. It would be good to have this functionality available in the closely-related `PurePath.match()` method. The rationale is much the same: this argument is useful when dealing... | dcdc90d384723920e8dea0ee04eae8c219333634 | cfa517d5a68bae24cbe8d9fe6b8e0d4935e507d2 |
python/cpython | python__cpython-104483 | # Error handling bugs in ast.c
in validate_pattern, there are two places where in case of error we break out of a loop, but we also need to break out of the switch.
```
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -580,7 +580,9 @@ validate_pattern(struct validator *state, pattern_ty p, int star_ok)
... | 8a3702f0c79e5a99fcef61e35724f4b9ea3453b8 | 26baa747c2ebc2beeff769bb07b5fb5a51ad5f4b |
python/cpython | python__cpython-104681 | # Floating point tutorial: "today (November 2000)"
# Documentation
It [says](https://docs.python.org/3.11/tutorial/floatingpoint.html?highlight=floating#representation-error):
> Almost all machines today (November 2000) use IEEE-754 floating point arithmetic, and almost all platforms map Python floats to IEEE-75... | 2cf04e455d8f087bd08cd1d43751007b5e41b3c5 | 3f9c60f51ef820937e7e0f95f45e63fa0ae21e6c |
python/cpython | python__cpython-104667 | # ASAN failure was detected while running test_threading
See: https://github.com/python/cpython/actions/runs/4971544925/jobs/8896154582
Unicodeobject looks quite related.
`````
2023-05-14T09:18:05.5991524Z Direct leak of 1702 byte(s) in 27 object(s) allocated from:
2023-05-14T09:18:05.5991966Z #0 0x7fb1e48... | c3f43bfb4bec39ff8f2c36d861a3c3a243bcb3af | 625887e6df5dbebe48be172b424ba519e2ba2ddc |
python/cpython | python__cpython-104470 | # Improve the readability and maintainability of test_capi using the AC
Currently, most of test_capi modules do not use the Argument Clinic tool.
As a result, we manually implement docstrings containing explanations for the test codes and handle parameter parsing manually: `PyArg_ParseTuple` .
To maintain code cons... | 48b3617de491f00a3bf978b355074cc8e228d61b | 2cd1c87d2a23ffd00730b5d1648304593530326c |
python/cpython | python__cpython-104462 | # Tkinter: test_configure_screen should only run on X11
test_configure_screen uses the `DISPLAY` environment variable, which is only relevant to X11; and the purpose of the test is to set the `-screen` option for a toplevel, which is only useful on Tk for X11, since Tk for the Win32 or Aqua windowing systems only supp... | fdafdc235e74f2f4fedc1f745bf8b90141daa162 | 456d56698db6c6287500f591927c900a5f5221ca |
python/cpython | python__cpython-104457 | # test_ctypes are leaked
Tried on last commit.
```python
PS C:\Users\KIRILL-1\CLionProjects\cpython> ./python -m test -R 3:3 test_ctypes
Running Debug|x64 interpreter...
0:00:00 Run tests sequentially
0:00:00 [1/1] test_ctypes
beginning 6 repetitions
123456
a=5, b=10, c=15
a=5, b=10, c=15
.a=5, b=10, c=... | 2cd1c87d2a23ffd00730b5d1648304593530326c | fb8739f0b6291fb048a94d6312f59ba4d10a20ca |
python/cpython | python__cpython-104455 | # test_exceptions are leaked
Tried on [last commit](https://github.com/python/cpython/commit/46f1c78eebe08e96ed29d364b1804dd37364831d)
```python
PS C:\Users\KIRILL-1\CLionProjects\cpython> ./python -m test -R 3:3 test_exceptions
Running Debug|x64 interpreter...
0:00:00 Run tests sequentially
0:00:00 [1/1] test_ex... | 7d2deafb73237a2175971a26cfb544974661de4b | 46f1c78eebe08e96ed29d364b1804dd37364831d |
python/cpython | python__cpython-104433 | # UBSan misaligned load errors in `gethost_common()`, `mkgrent()`
test.test_asyncio.test_events.KqueueEventLoopTests.test_create_connection triggers `-fsanitize=alignment` errors on macOS (i.e. Darwin):
```
Modules/socketmodule.c:5790:34: runtime error: load of misaligned address 0x60d0001ca152 for type 'char *', ... | f01e4cedba1a17d321664834bb255d9d04ad16ce | 983305268e2291b0a7835621b81bf40cba7c27f3 |
python/cpython | python__cpython-104416 | # `test_typing` fails refleak tests
Repro: `./python.exe -m test -R 3:3 -v test_typing`
The first test round passes, but the second one fails with:
```python
======================================================================
FAIL: test_bytestring (test.test_typing.CollectionsAbcTests.test_bytestring)
----... | 5b8cd5abe5924646b9ed90e7ba90085b56d5f634 | d50c37d8adb2d2da9808089d959ca7d6791ac59f |
python/cpython | python__cpython-104414 | # Refleak in LOAD_SUPER_ATTR_ATTR
The buildbots show a refleak in test_super. I narrowed it down to this:
```python
"""Unit tests for zero-argument super() & related machinery."""
import unittest
class TestSuper(unittest.TestCase):
def test_attribute_error(self):
class C:
def m... | 718b13277217e90232da5edf7ab3267e59189698 | a781484c8e9834538e5ee7b9e2e6bec7b679e033 |
python/cpython | python__cpython-104412 | # Tkinter: test_getint incompatible with Tcl 9.0
[TIP 114](https://core.tcl-lang.org/tips/doc/trunk/tip/114.md) means that as of Tcl 9.0, integers are only treated as octal when the `0o` prefix is specified; a leading 0 by itself is no longer sufficient. This change partially breaks test_getint:
```
==============... | 2c49c759e880a32539f50c31dbd35d2bc4b4e030 | 8ddf0dd264acafda29dc587ab8393387bb9a76ab |
python/cpython | python__cpython-104406 | # Some instructions and specializations ignore PEP 523
Four instructions ignore PEP 523 when executing:
- `BINARY_SUBSCR_GETITEM`
- `FOR_ITER_GEN`
- `SEND`
- `SEND_GEN`
Five instructions ignore it when specializing:
- `BINARY_SUBSCR_GETITEM`
- `FOR_ITER_GEN`
- `LOAD_ATTR_GETATTRIBUTE_OVERRIDDEN`
- `LOAD... | 1eb950ca55b3e0b6524b3f03b0b519723916eca2 | a10b026f0fdceac42c4b928917894d77da996555 |
python/cpython | python__cpython-104442 | # PEP 709 segfault with nested comprehensions plus lambdas
This is another crasher related to PEP 709.
```python
def f():
[([lambda: x for x in range(4)], lambda: x) for x in range(3)]
```
Stack trace:
<details>
```
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCE... | 563c7dcba0ea1070698b77129628e9e1c86d34e2 | 1eb950ca55b3e0b6524b3f03b0b519723916eca2 |
python/cpython | python__cpython-104402 | # pygettext: use an AST parser instead of a tokenizer
Follow up on this [forum discussion](https://discuss.python.org/t/modernize-and-add-missing-features-to-pygettext/26455)
This is a part 1/X of improving [pygettext](https://github.com/python/cpython/blob/main/Tools/i18n/pygettext.py). Replacing the tokenizer tha... | 374abded070b861cc389d509937344073193c36a | 1da412e574670cd8b48854112ba118c28ff2aba0 |
python/cpython | python__cpython-104407 | # Tkinter uses deprecated functions `mp_to_unsigned_bin_n()` and `mp_unsigned_bin_size()`
_tkinter.c currently uses the functions `mp_to_unsigned_bin_n()` and `mp_unsigned_bin_size()`, which were deprecated in libtommath 1.2.0 and replaced by new functions `mp_to_ubin()` and `mp_ubin_size()`.
The deprecated funct... | 00d73caf804c0474980e471347d6385757af975f | 852348ab65783601e0844b6647ea033668b45c11 |
python/cpython | python__cpython-104397 | # `uuid.py` checks platform for emscripten and wasi
<!--
If you're new to Python and you're not sure whether what you're experiencing is a bug, the CPython issue tracker is not
the right place to seek help. Consider the following options instead:
- reading the Python tutorial: https://docs.python.org/3/tuto... | 434db68ee31514ddc4aa93f8dfc2eb874d3669c5 | 7d7dd4cd70ed997ed7c3cda867c4e7b1ab02b205 |
python/cpython | python__cpython-104443 | # Add link to Download page on documentation index
# Documentation
In docs.python.org, there is no a obvious link to [download page](https://docs.python.org/3/download.html). I found one just in a question on FAQ section.
So, I suggestion add a link on documentation index. I think a new entry on Meta Information... | 90cf345ed42ae4d17d2a073718985eb3432a7c20 | 44c8699196c1951037bc549c895ea5af26c7254e |
python/cpython | python__cpython-104393 | # _paramspec_tvars in typing.py does nothing
Several classes in typing.py pass around an attribute called `_paramspec_tvars`, but nothing depends on its value. It was added in b2f3f8e3d81 by @Fidget-Spinner to enforce some behavior around ParamSpec, but since then we have apparently loosened that behavior. Let's just ... | 37a5d256b97bc9d2a0ff445997fec851e328ebad | 434db68ee31514ddc4aa93f8dfc2eb874d3669c5 |
python/cpython | python__cpython-104390 | # Make it possible to mark Argument Clinic args as unused
For base classes, it is not unusual to create stubs for interface methods, and let those stubs simply raise an exception. It would be nice to be able to mark the arguments with Py\_UNUSED in those cases.
Implementing this is straight-forward in clinic.py. CC... | b2c1b4da1935639cb89fbbad0ce170a1182537bd | 15795b57d92ee6315b5c8263290944b16834b5f2 |
python/cpython | python__cpython-104394 | # Segfault with lambda nested in comprehension
```
def gen_params():
def bound():
return [lambda: T for T in (T, [1])[1]]
T = ...
```
This segfaults on current main.
Stack trace:
<details>
```
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=... | ac66cc17f21653b66321b50d0a1f792982fca21f | 37a5d256b97bc9d2a0ff445997fec851e328ebad |
python/cpython | python__cpython-104376 | # Pathlib docs use `versionadded` incorrectly
The pathlib documentation uses `.. versionadded` blocks for new _arguments_. These should use `.. versionchanged`.
<!-- gh-linked-prs -->
### Linked PRs
* gh-104376
* gh-106058
<!-- /gh-linked-prs -->
| 4a6c84fc1ea8f26d84a0fbeeff6f8dedc32263d4 | d2cbb6e918d9ea39f0dd44acb53270f2dac07454 |
python/cpython | python__cpython-104378 | # PEP 688: Crash if `__release_buffer__` is called while an exception is active
```
class A:
def __buffer__(self, flags):
return memoryview(bytes(8))
def __release_buffer__(self, view):
pass # do not need to do anything here, just needs to exist
b = bytearray(8)
m = memoryview(... | a0a98ddb31591357bead4694b21717cb4034924f | ac66cc17f21653b66321b50d0a1f792982fca21f |
python/cpython | python__cpython-104361 | # ssl docs still refer to removed module-level ssl.wrap_socket
# Documentation
ssl docs still refer to removed global ssl.wrap_socket https://github.com/python/cpython/blob/a7a2dbbf72aceef61bfb50901bfa39bfb8d6d229/Doc/library/ssl.rst?plain=1#L2456-L2458
<!-- gh-linked-prs -->
### Linked PRs
* gh-104361
* gh-114... | 127a49785247ac8af158b18e38b722e520054d71 | 51d9068ede41d49e86c9637960f212e2a0f07f4c |
python/cpython | python__cpython-104368 | # Comprehension inlining: Bug if comprehension contains a lambda
Code sample:
```python
def outer(x):
return [lambda: x for x in range(x)]
print([f() for f in outer(2)])
```
On 3.11, this produces `[1, 1]` as expected.
But on current main, I get:
```
>>> [f() for f in outer(2)]
Traceback (most ... | fcd5fb49b1d71165f3c503c3d2e74a082ddb2f21 | 94f30c75576bb8a20724b2ac758fa33af089a522 |
python/cpython | python__cpython-104586 | # Unhandled BrokenPipeError in asyncio.streams
# Bug report
Kind of a weird one here, been running into it a for a while but just recently figured out how to reproduce it reliably.
Basically, if an async process is killed while a large amount of data remains to be written to its stdin, it fails to throw a `Conne... | 7fc8e2d4627cdba5cb0075c9052ed6f4b6ecd36d | b27fe67f3c643e174c3619b669228ef34b6d87ee |
python/cpython | python__cpython-104410 | # gammavariate uses misleading parameter names.
# Documentation for gammavariate
The parameters of the `gammavariate` function (in `random` module) are `alpha`, `beta`.
We can see, from the mathematical description given, that these correspond to _shape_ and _scale_. [Wikipedia conventionally describes these usi... | 88c5c586708dcff369c49edae947d487a80f0346 | 2f7b5e458e9189fa1ffd44339848aa1e52add3fa |
python/cpython | python__cpython-104335 | # Bad error message when inheriting from Generic multiple times
```
>>> from typing import Generic, TypeVar
>>> T = TypeVar("T")
>>> U = TypeVar("U")
>>> class X(Generic[T], Generic[U]): pass
...
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/jelle/py/cpython/Lib/typin... | 01c321ca34d99f35f174768c6f8c500801d4ef4c | 2866e030f01dc3ff08de32857fa77d52468b676b |
python/cpython | python__cpython-104311 | # Add importlib.util.allowing_all_extensions()
Per [PEP 684](https://peps.python.org/pep-0684/#restricting-extension-modules), we are providing `importlib.util.allowing_all_extensions()` as a context manager users may use to disable the strict compatablility checks.
I'll be added docs for this separately from the c... | 4541d1a0dba3ef0c386991cf54c4c3c411a364c0 | 5c9ee498c6f4b75e0e020f17b6860309c3b7e11e |
python/cpython | python__cpython-104307 | # socket.getnameinfo doesn't drop the GIL
It should do that. Trivial fix is in #104307 but creating an issue to make bedevere happy.
<!-- gh-linked-prs -->
### Linked PRs
* gh-104307
* gh-104313
<!-- /gh-linked-prs -->
| faf196213e60d8a90773e9e5680d3252bd294643 | 4541d1a0dba3ef0c386991cf54c4c3c411a364c0 |
python/cpython | python__cpython-104296 | # Unable to generate POT for Python documentation
<!--
If you're new to Python and you're not sure whether what you're experiencing is a bug, the CPython issue tracker is not
the right place to seek help. Consider the following options instead:
- reading the Python tutorial: https://docs.python.org/3/tutori... | 942482c8e660765f68098eae347d84b93e37661a | 9af485436b83003b5705a6e54bdeb900c70e0c69 |
python/cpython | python__cpython-104283 | # `lzma._decode_filter_properties` crashes with BCJ filter and buffer of zero length
Example:
```python
>>> import lzma
>>> lzma._decode_filter_properties(lzma.FILTER_X86, b"")
Segmentation fault (core dumped)
```
In `_lzma__decode_filter_properties_impl` call to `lzma_properties_decode` returns `LZMA_OK` and ... | 0154405350c272833bd51f68138223655e142a37 | b204c4beb44c1a9013f8da16984c9129374ed8c5 |
python/cpython | python__cpython-104277 | # Use type flag instead of custom constructor in `_struct.unpack_iterator`
Currently `_struct.unpack_iterator` type defines its own constructor just to report to user that it isn't instantiable (with a typo, by the way):
https://github.com/python/cpython/blob/8d95012c95988dc517db6e09348aab996868699c/Modules/_struct... | c21f82876089f3e9a7b1e706c029664b799fa659 | 85f981880ae9591ba577e44d2945a771078a7c35 |
python/cpython | python__cpython-104274 | # argparse: remove redundant len()
# Feature or enhancement
I decreased calling of redundant len() function.
# Pitch
(Explain why this feature or enhancement should be implemented and how it would be used.
Add examples, if applicable.)
# Previous discussion
<!--
New features to Python should first ... | 01cc9c1ff79bf18fe34c05c6cd573e79ff9487c3 | ac020624b32820e8e6e272122b94883f8e75ac61 |
python/cpython | python__cpython-105406 | # `glob.glob('**/**', recursive=True)` yields duplicate results
Calling `glob.glob(pattern, recursive=True)`, where *pattern* contains two or more `**/` segments, can yield the same paths multiple times:
```python
>>> import glob
>>> len(glob.glob('**/**', recursive=True))
314206
>>> len(set(glob.glob('**/**', ... | c06be6bbb8d138dde50c0a07cbd64496bee537c5 | b8eaad30090b46f115dfed23266305b6546fb364 |
python/cpython | python__cpython-104266 | # `_csv` `Reader` and `Writer` types shouldn't be directly instantiable
The accepted way to create these objects is to use constructor functions `_csv.reader()` and `_csv.writer()` with appropriate arguments. Objects that are created through type constructors `_csv.Reader` and `_csv.Writer` turn out to be not properly... | 06c2a4858b8806abc700a0471434067910db54ec | c0ece3dc9791694e960952ba74070efaaa79a676 |
python/cpython | python__cpython-104251 | # Task object in asyncio docs is missing the "context" argument
# Documentation
the signature in the docs (https://docs.python.org/3/library/asyncio-task.html#asyncio.Task) and the description doesn't cover the *context* argument that was added in 3.11.
<!-- gh-linked-prs -->
### Linked PRs
* gh-104251
* gh-104258... | 4ee2068c34bd45eddba7f6a8ee83f62d5b6932fc | 42f54d1f9244784fec99e0610aa05a5051e594bb |
python/cpython | python__cpython-104253 | # Immortalize Py_EMPTY_KEYS
The every dict has a keys "object", of type `PyDictKeysObject`. While it isn't actually a Python object, it does have a refcount, which is used to know when to free it. `PyDictKeysObject` (and the helpers, `dictkeys_incref()` and `dictkeys_decref()`) was not updated to be immortal when th... | b8f7ab5783b370004757af5a4c6e70c63dc5fe7a | 2dcb289ed08980c8f97d538060b4ad8d5e82b56a |
python/cpython | python__cpython-104241 | # combine compilation steps in a pipeline
Make it possible to chain compiler_codegen, optimize_cfg, assemble_code_object such that each stage takes the previous stage's output and collectively they do the same as compile().
<!-- gh-linked-prs -->
### Linked PRs
* gh-104241
* gh-104300
<!-- /gh-linked-prs -->
| 2c2dc61e8d01f44e5b7e63dd99196460a80905f1 | 1b19bd1a88e6c410fc9cd08db48e0d35cfa8bb5a |
python/cpython | python__cpython-104234 | # New warning: unused variable ‘main_interp’
<img width="916" alt="Снимок экрана 2023-05-06 в 15 17 06" src="https://user-images.githubusercontent.com/4660275/236623527-548a597a-b226-464a-8bf7-3c10c69a21a1.png">
Here: https://github.com/python/cpython/blob/f5088006ca8e9654fbc3de119462f0ab764e408b/Python/ceval_gil.... | 6616710731b9ad1a4e6b73696e8bd5c40cf8762d | f5088006ca8e9654fbc3de119462f0ab764e408b |
python/cpython | python__cpython-104227 | # PEP 688: Cannot call super().__buffer__()
The following will currently fail with a RecursionError:
```
class A(bytearray):
def __buffer__(self, flags):
return super().__buffer__(flags)
a = A()
mv = memoryview(a)
```
Thanks to @chilaxan for finding this, along with some related problems. I a... | 405eacc1b87a42e19fd176131e70537f0539e05e | 874010c6cab2e079069767619af2e0eab05ad0b2 |
python/cpython | python__cpython-104220 | # Inplace dunders can return NotImplemented, and that's not documented
See [this discussion](https://discuss.python.org/t/notimplemented-in-inplace-dunders/26536).
Normal NotImplemented situation : `A() + B()` is resolved in `A.__add__(A(), B())` which if returning NotImplemented, falls back to `B.__radd__(B(), A())`... | 2713c2abc8d0f30cd0060cd307bb4ec92f1f04bf | fee86fd9a422612b39e5aabf2571b8fe4abac770 |
python/cpython | python__cpython-104191 | # usan failure on main
https://buildbot.python.org/all/#/builders/719/builds/2611
```
Include/object.h:227:12: runtime error: member access within address 0x7ffd008dd4d0 with insufficient space for an object of type 'PyObject' (aka 'struct _object')
0x7ffd008dd4d0: note: pointer points here
9d 7f 00 00 80 d9 a... | 163034515a81f137d1dd7d289dc048eb0f1cd424 | e5b8b19d99861c73ab76ee0175a685acf6082d7e |
python/cpython | python__cpython-104217 | # build fails with `--enable-pystats --with-pydebug` (use of Py_SIZE on PyLongObject)
```
> ./configure --enable-pystats --with-pydebug
> make -j
...
_bootstrap_python: ../../cpython/Include/object.h:215: Py_SIZE: Assertion `ob->ob_type != &PyLong_Type' failed.
```
It looks like #102464 missed removing this us... | afe7703744f813adb15719642444b5fd35888d86 | 82f789be3b15df5f6660f5fd0c563ad690ee00fb |
python/cpython | python__cpython-104181 | # Support detecting SOCKS proxy configuration on macOS
# Feature or enhancement
Allow `urllib.request.getproies()` to detect SOCKS proxies configured in macOS system settings.
# Pitch
`urllib.request.getproies()` is widely used, for example by `requests`, to detect proxy configurations from environment variab... | 9a9b176eb7e052af84c01c0cfb3231e51f980f2d | bf89d4283a28dd00836f2c312a9255f543f93fc7 |
python/cpython | python__cpython-104170 | # Improve tokenize error handling
There has been quite a lot of instances were poor error handling in the tokenizer leads to crashes or errors being overwritten. We should not rely on continuous patches to every single individual issue but we should improve the situation with more robust infrastructure.
<!-- gh-linke... | eba64d2afb4c429e80d863dc0dd7808bdbef30d3 | e2ef5015d1b6cb56f1a7988583f2fb8c0e6d65fc |
python/cpython | python__cpython-104147 | # Remove dead code from clinic.py
There's a bit of unused code in clinic.py. For example, the code that manipulated `second_pass_replacements` was removed in 2015 (commit 0759f84d6260bad1234b802212e73fdc5873d261, gh-67688 (bpo-23500)), but the variable and a branch depending on it still persists.
Suggesting to remo... | 9885677b0494e9be3eb8d7d69bebca0e79d8abcc | e95dd40aff35775efce4c03bec7d82f03711310b |
python/cpython | python__cpython-104172 | # bisect.bisect is not cross-referenced properly
# Documentation
The documentation page for bisect includes lots of interlinks to the bisect function but it appears that link isn't being resolved correctly by sphinx, whilst it thinks it is a function, it links to the module header
To reproduce: https://docs.pyth... | 76eef552f3653179782afcc5063f10560a6e1a80 | 921185ed050efbca2f0adeab79f676b7f8cc3660 |
python/cpython | python__cpython-104140 | # Leverage eager tasks to optimize asyncio gather & TaskGroups further
# Feature or enhancement
gh-97696 introduced eager tasks factory, which speeds up some async-heavy workloads by up to 50% when opted in.
installing the eager tasks factory applies out-of-the-box when gathering tasks (`asyncio.gather(...)`), a... | 52d8f36e8c9f6048367d7bdfede3698e3f5f70d0 | f3e7eb48f86057919c347f56dabf417acfd55845 |
python/cpython | python__cpython-104143 | # `_Py_RefcntAdd` doesn't respect immortality
This is used by `list` and `tuple` internally:
```py
>>> import sys
>>> sys.getrefcount(None) == (1 << 32) - 1
True
>>> refs = [None] * 42
>>> sys.getrefcount(None) == (1 << 32) - 1
False
>>> del refs
>>> sys.getrefcount(None) == (1 << 32) - 1
True
```
I'll... | ce871fdc3a02e8441ad73b13f9fced308a9d9ad1 | fa86a77589a06661fcebb806d36f3a7450e2aecf |
python/cpython | python__cpython-104312 | # urlunsplit for itms-services scheme returns invalid url
Relating to a Werkzueg issue (https://github.com/pallets/werkzeug/issues/2691), when parsing an iOS App install url e.g.
itms-services:action=download-manifest&url=https://theacmeinc.com/abcdefeg, urlunpslit returns an invalid url.
e.g.
```from urllib.pa... | 82f789be3b15df5f6660f5fd0c563ad690ee00fb | ca95edf177e3c10e10d7011ed52619b1312cf15e |
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