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Fix #9838: autodoc: AttributeError is raised for lru_cache

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This commit is contained in:
Takeshi KOMIYA 2021-11-12 00:44:03 +09:00
parent 8e0c7a75f8
commit ea38d96298
2 changed files with 14 additions and 2 deletions
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3
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@ -16,6 +16,9 @@ Features added
Bugs fixed Bugs fixed
---------- ----------
* #9838: autodoc: AttributeError is raised on building document for functions
decorated by functools.lru_cache
Testing Testing
-------- --------

13
sphinx/util/inspect.py
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@ -19,8 +19,7 @@ import typing
import warnings import warnings
from functools import partial, partialmethod from functools import partial, partialmethod
from importlib import import_module from importlib import import_module
from inspect import (Parameter, isasyncgenfunction, isclass, ismethod, # NOQA from inspect import Parameter, isclass, ismethod, ismethoddescriptor, ismodule # NOQA
ismethoddescriptor, ismodule)
from io import StringIO from io import StringIO
from types import ModuleType from types import ModuleType
from typing import Any, Callable, Dict, Mapping, Optional, Sequence, Tuple, Type, cast from typing import Any, Callable, Dict, Mapping, Optional, Sequence, Tuple, Type, cast
@ -408,6 +407,16 @@ def iscoroutinefunction(obj: Any) -> bool:
return False return False
def isasyncgenfunction(obj: Any) -> bool:
"""Check if the object is async-gen function."""
if hasattr(obj, '__code__') and inspect.isasyncgenfunction(obj):
# check obj.__code__ because isasyncgenfunction() crashes for custom method-like
# objects on python3.7 (see https://github.com/sphinx-doc/sphinx/issues/9838)
return True
else:
return False
def isproperty(obj: Any) -> bool: def isproperty(obj: Any) -> bool:
"""Check if the object is property.""" """Check if the object is property."""
if sys.version_info >= (3, 8): if sys.version_info >= (3, 8):