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gh-103449: Fix a bug in dataclass docstring generation (#103454)

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Nikita Sobolev 2023-04-18 02:33:22 +03:00 • committed by GitHub
parent d83faf7f1b
commit b57f55c23e
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3 changed files with 21 additions and 2 deletions
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9
Lib/dataclasses.py
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@ -1128,8 +1128,13 @@ def _process_class(cls, init, repr, eq, order, unsafe_hash, frozen,
if not getattr(cls, '__doc__'):
# Create a class doc-string.
cls.__doc__ = (cls.__name__ +
str(inspect.signature(cls)).replace(' -> None', ''))
try:
# In some cases fetching a signature is not possible.
# But, we surely should not fail in this case.
text_sig = str(inspect.signature(cls)).replace(' -> None', '')
except (TypeError, ValueError):
text_sig = ''
cls.__doc__ = (cls.__name__ + text_sig)
if match_args:
# I could probably compute this once