JIT corruption in `wcmatch` test suite: `yield from []` triggers "AttributeError: 'list' object has no attribute 'send'"
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interpreter-core
topic-JIT
type-bug
- Lenguaje dominante
- Python
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Descripción
Bug report
Bug description:
When running wcmatch 15.0.1 complete test suite (doesn't happen with parts of it, or the older version), I'm seeing the following corruption:
$ uv venv -p ~/cpython/python
Using CPython 3.16.0a0 interpreter at: /home/mgorny/cpython/python
Creating virtual environment at: .venv
Activate with: source .venv/bin/activate
$ uv pip install -e . pytest
Resolved 7 packages in 659ms
Built wcmatch @ file:///home/mgorny/wcmatch
Prepared 1 package in 210ms
Installed 7 packages in 58ms
+ bracex==3.0.1
+ iniconfig==2.3.0
+ packaging==26.3
+ pluggy==1.6.0
+ pygments==2.20.0
+ pytest==9.1.1
+ wcmatch==11.0.1 (from file:///home/mgorny/wcmatch)
$ .venv/bin/pytest
========================================================= test session starts =========================================================
platform linux -- Python 3.16.0a0, pytest-9.1.1, pluggy-1.6.0
rootdir: /home/mgorny/wcmatch
configfile: pyproject.toml
collected 1409 items
tests/test_fnmatch.py ......................................................................................................... [ 7%]
................................................................s............................... [ 14%]
tests/test_glob.py ....s..s.................s.s..s.s..s.........sssssss.......s.ssss........s.s..............s.........s.s..... [ 21%]
........s..s.................s.s..s.s..s.........sssssss.......s.ssss........s.s..............s.........s.s......s............. [ 30%]
.s..s......s.s.........ssssss....s..s.................s.s..s.s..s.........sssssss.......s.ssss........s.s..............s....... [ 39%]
..s.s........sss..s............... [ 42%]
tests/test_globmatch.py ss...............s.s.s..........s...............................................s............s...s..... [ 49%]
s.s....s....s...s.s......s..s......s......s..........................s.......s.......................................s...s..... [ 58%]
...................s..s.s........s..s....s.s.....s.....ss...............s.s.s..........s....................................... [ 67%]
........s............s...s.....s.s....s....s...s.s......s..s......s......s..........................s.......s.................. [ 76%]
.....................s...s........................s..s.s........s..s....s.s.....s.............................................. [ 85%]
...............................F..........s....................................................... [ 92%]
tests/test_pathlib.py ......................................................... [ 96%]
tests/test_versions.py .... [ 97%]
tests/test_wcmatch.py .......................... [ 98%]
tests/test_wcparse.py ................ [100%]
============================================================== FAILURES ===============================================================
____________________________________________ TestGlobMatchSpecial.test_empty_pattern_lists ____________________________________________
self = <tests.test_globmatch.TestGlobMatchSpecial testMethod=test_empty_pattern_lists>
def test_empty_pattern_lists(self):
"""Test empty pattern lists."""
> self.assertFalse(glob.globmatch('test', []))
^^^^^^^^^^^^^^^^^^^^^^^^^^
tests/test_globmatch.py:1021:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
wcmatch/glob.py:1005: in globmatch
return _wcparse.compile(
wcmatch/_wcparse.py:759: in compile
positive, negative = compile_pattern(patterns, flags, limit, exclude)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
wcmatch/_wcparse.py:718: in compile_pattern
for pattern in iter_patterns(patterns):
^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
patterns = []
def iter_patterns(patterns: AnyStr | Sequence[AnyStr]) -> Iterable[AnyStr]:
"""Return a simple string sequence."""
if isinstance(patterns, (str, bytes)):
yield patterns
else:
> yield from patterns
E AttributeError: 'list' object has no attribute 'send'
wcmatch/_wcparse.py:338: AttributeError
======================================================= short test summary info =======================================================
FAILED tests/test_globmatch.py::TestGlobMatchSpecial::test_empty_pattern_lists - AttributeError: 'list' object has no attribute 'send'
============================================ 1 failed, 1257 passed, 151 skipped in 12.57s =============================================
CPython versions tested on:
3.15, CPython main branch
Operating systems tested on:
Linux
Linked PRs
- gh-155844
Guía de contribución
Primeros pasos
- Lee el issue completo y luego la guía de contribución del proyecto.
- Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
- Haz un fork del repositorio y trabaja en una rama.
- Abre un pull request que haga referencia al número del issue.
Línea de trabajo
Reproduce el fallo con la suite de wcmatch en CPython 3.15 o en la rama main y, después, inspecciona tests/test_globmatch.py::TestGlobMatchSpecial::test_empty_pattern_lists y wcmatch/_wcparse.py:338. Se considera terminado cuando la prueba de listas de patrones vacías y la ejecución de la suite completa se realicen sin el AttributeError ni una corrupción de JIT relacionada.
Escrito por el modelo de indexación a partir del texto del issue.
Evaluación
- Stack tecnológico
- python
- Área
- compilers
- Tipo de issue
- Error
- Dificultad
- 3/5
- Tiempo estimado
- 1-2 días
- Estado de actividad
- Estancado
- Claridad
- Bien especificado
- Aptitud para principiantes
- 35/100