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RecursionError: maximum recursion depth exceeded while calling a Python object #9450

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RecursionError: maximum recursion depth exceeded while calling a Python object#9450
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@reuben

Description

@reuben
reuben
opened on Feb 20, 2024

Bug description

### Bug description

Crash when running Pylint on PyTorch using code (proprietary, can't share)

### Command used


pylint


### Pylint output

pylint crashed with a ``AstroidError`` and with the following stacktrace:

```python
Exception on node <Subscript l.80 at 0x7ff55c93a3a0> in file '/home/reuben/dev/REDACTED.py'
Traceback (most recent call last):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/checkers/utils.py", line 1370, in safe_infer
    for inferred in infer_gen:
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/node_ng.py", line 170, in infer
    for i, result in enumerate(self._infer(context=context, **kwargs)):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 103, in inner
    yield from generator
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 49, in wrapped
    for res in _func(node, context, **kwargs):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 179, in _infer_stmts
    for inf in stmt.infer(context=context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/node_ng.py", line 170, in infer
    for i, result in enumerate(self._infer(context=context, **kwargs)):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 103, in inner
    yield from generator
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 49, in wrapped
    for res in _func(node, context, **kwargs):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 179, in _infer_stmts
    for inf in stmt.infer(context=context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/node_ng.py", line 170, in infer
    for i, result in enumerate(self._infer(context=context, **kwargs)):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 103, in inner
    yield from generator
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 49, in wrapped
    for res in _func(node, context, **kwargs):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/node_classes.py", line 1765, in _infer
    yield from callee.infer_call_result(
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 331, in infer_call_result
    for res in node.infer_call_result(caller, context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 331, in infer_call_result
    for res in node.infer_call_result(caller, context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 331, in infer_call_result
    for res in node.infer_call_result(caller, context):
  [Previous line repeated 947 more times]
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 328, in infer_call_result
    for node in self._proxied.igetattr("__call__", context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2511, in igetattr
    inferred._proxied.getattr("__get__", context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2415, in getattr
    values += self._metaclass_lookup_attribute(name, context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2439, in _metaclass_lookup_attribute
    attrs.update(set(cls_attributes))
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2446, in _get_attribute_from_metaclass
    attrs = cls.getattr(name, context=context, class_context=True)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2415, in getattr
    values += self._metaclass_lookup_attribute(name, context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2435, in _metaclass_lookup_attribute
    metaclass = self.metaclass(context=context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2727, in metaclass
    return self._find_metaclass(context=context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2709, in _find_metaclass
    for parent in self.ancestors(context=context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2239, in ancestors
    with context.restore_path():
  File "/home/reuben/.pyenv/versions/3.8.10/lib/python3.8/contextlib.py", line 240, in helper
    return _GeneratorContextManager(func, args, kwds)
  File "/home/reuben/.pyenv/versions/3.8.10/lib/python3.8/contextlib.py", line 86, in __init__
    doc = getattr(func, "__doc__", None)
RecursionError: maximum recursion depth exceeded while calling a Python object

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

Traceback (most recent call last):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/utils/ast_walker.py", line 91, in walk
    callback(astroid)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/checkers/typecheck.py", line 2107, in visit_subscript
    self._check_invalid_sequence_index(node)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/checkers/typecheck.py", line 1693, in _check_invalid_sequence_index
    parent_type = safe_infer(subscript.value)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/checkers/utils.py", line 1392, in safe_infer
    raise AstroidError from e
astroid.exceptions.AstroidError

Expected behavior

No crash.

Pylint version

pylint 3.0.3
astroid 3.0.3
Python 3.8.10 (default, Feb 19 2024, 14:10:39)
[GCC 9.4.0]

OS / Environment

linux (Linux)

Additional dependencies

torch 1.12.1



### Configuration

_No response_

### Command used

```shell
python -m pylint

Pylint output

Exception on node <Subscript l.80 at 0x7ff55c93a3a0> in file '/home/reuben/dev/REDACTED.py'
Traceback (most recent call last):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/checkers/utils.py", line 1370, in safe_infer
    for inferred in infer_gen:
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/node_ng.py", line 170, in infer
    for i, result in enumerate(self._infer(context=context, **kwargs)):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 103, in inner
    yield from generator
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 49, in wrapped
    for res in _func(node, context, **kwargs):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 179, in _infer_stmts
    for inf in stmt.infer(context=context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/node_ng.py", line 170, in infer
    for i, result in enumerate(self._infer(context=context, **kwargs)):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 103, in inner
    yield from generator
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 49, in wrapped
    for res in _func(node, context, **kwargs):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 179, in _infer_stmts
    for inf in stmt.infer(context=context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/node_ng.py", line 170, in infer
    for i, result in enumerate(self._infer(context=context, **kwargs)):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 103, in inner
    yield from generator
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/decorators.py", line 49, in wrapped
    for res in _func(node, context, **kwargs):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/node_classes.py", line 1765, in _infer
    yield from callee.infer_call_result(
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 331, in infer_call_result
    for res in node.infer_call_result(caller, context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 331, in infer_call_result
    for res in node.infer_call_result(caller, context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 331, in infer_call_result
    for res in node.infer_call_result(caller, context):
  [Previous line repeated 947 more times]
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/bases.py", line 328, in infer_call_result
    for node in self._proxied.igetattr("__call__", context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2511, in igetattr
    inferred._proxied.getattr("__get__", context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2415, in getattr
    values += self._metaclass_lookup_attribute(name, context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2439, in _metaclass_lookup_attribute
    attrs.update(set(cls_attributes))
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2446, in _get_attribute_from_metaclass
    attrs = cls.getattr(name, context=context, class_context=True)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2415, in getattr
    values += self._metaclass_lookup_attribute(name, context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2435, in _metaclass_lookup_attribute
    metaclass = self.metaclass(context=context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2727, in metaclass
    return self._find_metaclass(context=context)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2709, in _find_metaclass
    for parent in self.ancestors(context=context):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/astroid/nodes/scoped_nodes/scoped_nodes.py", line 2239, in ancestors
    with context.restore_path():
  File "/home/reuben/.pyenv/versions/3.8.10/lib/python3.8/contextlib.py", line 240, in helper
    return _GeneratorContextManager(func, args, kwds)
  File "/home/reuben/.pyenv/versions/3.8.10/lib/python3.8/contextlib.py", line 86, in __init__
    doc = getattr(func, "__doc__", None)
RecursionError: maximum recursion depth exceeded while calling a Python object

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

Traceback (most recent call last):
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/utils/ast_walker.py", line 91, in walk
    callback(astroid)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/checkers/typecheck.py", line 2107, in visit_subscript
    self._check_invalid_sequence_index(node)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/checkers/typecheck.py", line 1693, in _check_invalid_sequence_index
    parent_type = safe_infer(subscript.value)
  File "/home/reuben/.local/share/virtualenvs/REDACTED/lib/python3.8/site-packages/pylint/checkers/utils.py", line 1392, in safe_infer
    raise AstroidError from e
astroid.exceptions.AstroidError

Expected behavior

No crash

Pylint version

pylint 3.0.3
astroid 3.0.3
Python 3.8.10 (default, Feb 19 2024, 14:10:39)
[GCC 9.4.0]

OS / Environment

Ubuntu 20.04

Additional dependencies

torch==1.12.1

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