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pylint-dev / pylint

It's not just a linter that annoys you!
https://pylint.readthedocs.io/en/latest/
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Crash ``AstroidError: IndexError: list index out of range'' #9945

Open edreamleo opened 2 hours ago

edreamleo commented 2 hours ago

Bug description

Crash when running pylint on leo/core/leoGlobals.py and leo\core\leoAst.py.

The files are too long to give here. You can find them both at https://github.com/leo-editor/leo-editor/blob/devel/leo/core.

All Leo files are covered by the MIT license.

Configuration

C:\Users\Dev\.leo\.pylintrc available upon request.

Command used

pylint leo\core\leoGlobals.py

Equivalent to:

python -m pylint --rcfile C:\Users\Dev\.leo\.pylintrc %*

Pylint output


Traceback (most recent call last):
  File "C:\Python\Python3.12\Lib\site-packages\pylint\lint\pylinter.py", line 788, in _lint_file
    check_astroid_module(module)
  File "C:\Python\Python3.12\Lib\site-packages\pylint\lint\pylinter.py", line 1017, in check_astroid_module
    retval = self._check_astroid_module(
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python\Python3.12\Lib\site-packages\pylint\lint\pylinter.py", line 1069, in _check_astroid_module
    walker.walk(node)
  File "C:\Python\Python3.12\Lib\site-packages\pylint\utils\ast_walker.py", line 90, in walk
    self.walk(child)
  File "C:\Python\Python3.12\Lib\site-packages\pylint\utils\ast_walker.py", line 90, in walk
    self.walk(child)
  File "C:\Python\Python3.12\Lib\site-packages\pylint\utils\ast_walker.py", line 87, in walk
    callback(astroid)
  File "C:\Python\Python3.12\Lib\site-packages\pylint\checkers\classes\special_methods_checker.py", line 183, in visit_functiondef
    inferred = _safe_infer_call_result(node, node)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python\Python3.12\Lib\site-packages\pylint\checkers\classes\special_methods_checker.py", line 42, in _safe_infer_call_result
    value = next(inferit)
            ^^^^^^^^^^^^^
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\scoped_nodes\scoped_nodes.py", line 1658, in infer_call_result
    yield from returnnode.value.infer(context)
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_ng.py", line 168, in infer
    for i, result in enumerate(self._infer(context=context, **kwargs)):
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_classes.py", line 4776, in _infer
    yield from self._infer_from_values(self.values, context)
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_classes.py", line 4787, in _infer_from_values
    for suffix in cls._infer_from_values(nodes[1:], context, **kwargs):
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_classes.py", line 4787, in _infer_from_values
    for suffix in cls._infer_from_values(nodes[1:], context, **kwargs):
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_classes.py", line 4787, in _infer_from_values
    for suffix in cls._infer_from_values(nodes[1:], context, **kwargs):
  [Previous line repeated 2 more times]
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_classes.py", line 4786, in _infer_from_values
    for prefix in nodes[0]._infer(context, **kwargs):
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_classes.py", line 4683, in _infer
    for format_spec in self.format_spec.infer(context, **kwargs):
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_ng.py", line 168, in infer
    for i, result in enumerate(self._infer(context=context, **kwargs)):
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_classes.py", line 4776, in _infer
    yield from self._infer_from_values(self.values, context)
  File "C:\Python\Python3.12\Lib\site-packages\astroid\nodes\node_classes.py", line 4786, in _infer_from_values
    for prefix in nodes[0]._infer(context, **kwargs):
                  ~~~~~^^^
IndexError: list index out of range

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "C:\Python\Python3.12\Lib\site-packages\pylint\lint\pylinter.py", line 752, in _lint_files
    self._lint_file(fileitem, module, check_astroid_module)
  File "C:\Python\Python3.12\Lib\site-packages\pylint\lint\pylinter.py", line 790, in _lint_file
    raise astroid.AstroidError from e
astroid.exceptions.AstroidError

Expected behavior

No crash

Pylint version

pylint 3.3.0
astroid 3.3.3

OS / Environment

Windows 11 AMD64 (build 10.0.22631) SP0
Python 3.12.0 (tags/v3.12.0:0fb18b0, Oct  2 2023, 13:03:39) [MSC v.1935 64 bit (AMD64)]
PyQt version 6.7.2
edreamleo commented 2 hours ago

The crash persists after upgrading astroid and pylint. pip list:

```console Package Version ----------------------------- ---------------- alabaster 0.7.16 astroid 3.3.3 asttokens 2.4.1 Babel 2.15.0 beautifulsoup4 4.12.3 black 24.4.2 build 1.2.1 cachetools 5.5.0 certifi 2024.7.4 cffi 1.16.0 chardet 5.2.0 charset-normalizer 3.3.2 cli-ui 0.17.2 click 8.1.7 colorama 0.4.6 contourpy 1.2.1 contributors-txt 1.0.0 coverage 7.6.0 cryptography 43.0.0 cycler 0.12.1 dialite 0.5.3 dill 0.3.8 distlib 0.3.8 docopt 0.6.2 docutils 0.21.2 execnet 2.1.1 filelock 3.16.1 flexx 0.8.4 fonttools 4.53.1 gitdb 4.0.11 GitPython 3.1.43 idna 3.7 imagesize 1.4.1 importlib_metadata 8.2.0 iniconfig 2.0.0 isort 5.13.2 jaraco.classes 3.4.0 jaraco.context 5.3.0 jaraco.functools 4.0.1 jedi 0.19.1 Jinja2 3.1.4 keyring 25.2.1 kiwisolver 1.4.5 Markdown 3.6 markdown-it-py 3.0.0 MarkupSafe 2.1.5 matplotlib 3.9.1 mccabe 0.7.0 mdurl 0.1.2 meta 1.0.2 more-itertools 10.3.0 mypy 1.11.0 mypy-extensions 1.0.0 nh3 0.2.18 numpy 2.0.1 packaging 24.1 parso 0.8.4 pathspec 0.12.1 pillow 10.4.0 pip 24.2 pkginfo 1.10.0 platformdirs 4.2.2 pluggy 1.5.0 pscript 0.7.7 py 1.11.0 py-cpuinfo 9.0.0 pycparser 2.22 pyenchant 3.2.2 pyflakes 3.2.0 Pygments 2.18.0 pylint 3.3.0 pyparsing 3.1.2 pyproject-api 1.8.0 pyproject_hooks 1.1.0 PyQt6 6.7.1 PyQt6-QScintilla 2.14.1 PyQt6-Qt6 6.7.2 PyQt6_sip 13.8.0 PyQt6-WebEngine 6.7.0 PyQt6-WebEngine-Qt6 6.7.2 PyQt6-WebEngineSubwheel-Qt6 6.7.2 pytest 8.3.2 pytest-benchmark 4.0.0 pytest-cov 5.0.0 pytest-timeout 2.3.1 pytest-xdist 3.6.1 python-dateutil 2.9.0.post0 pywin32-ctypes 0.2.2 readme_renderer 44.0 requests 2.32.3 requests-toolbelt 1.0.0 rfc3986 2.0.0 rich 13.7.1 ruff 0.5.5 schema 0.7.7 Send2Trash 1.8.3 setuptools 75.1.0 six 1.16.0 smmap 5.0.1 snowballstemmer 2.2.0 soupsieve 2.5 Sphinx 7.4.7 sphinxcontrib-applehelp 1.0.8 sphinxcontrib-devhelp 1.0.6 sphinxcontrib-htmlhelp 2.0.6 sphinxcontrib-jsmath 1.0.1 sphinxcontrib-qthelp 1.0.8 sphinxcontrib-serializinghtml 1.1.10 tabulate 0.8.10 tbump 6.11.0 tk 0.1.0 tomlkit 0.11.8 tornado 6.4.1 towncrier 24.8.0 tox 4.20.0 twine 5.1.1 types-docutils 0.21.0.20240724 types-Markdown 3.6.0.20240316 types-paramiko 3.4.0.20240423 types-pkg-resources 0.1.3 types-PyYAML 6.0.12.20240724 types-requests 2.32.0.20240712 types-six 1.16.21.20240513 typing_extensions 4.12.2 Unidecode 1.3.8 urllib3 2.2.2 virtualenv 20.26.5 webruntime 0.5.8 windows-curses 2.3.3 zipp 3.19.2 ```
edreamleo commented 2 hours ago

Reverting to pylint 3.2.7 solves the problem:

pip install --force-reinstall -v "pylint==3.2.7"

None of the following work for me:

pip install --force-reinstall -v "astroid==3.3.0"
pip install --force-reinstall -v "astroid==3.3.3"
pip install --force-reinstall -v "pylint==3.3.0"
pip install --force-reinstall -v "pylint==3.3.3"