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[docs] gh-101273: Expand enum documentation on limitations by samypr100 · Pull Request #101274 · python/cpython · GitHub

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[docs] gh-101273: Expand enum documentation on limitations #101274

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[docs] gh-101273: Expand enum documentation on limitations #101274

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20 changes: 20 additions & 0 deletions Doc/library/enum.rst
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Expand Up @@ -925,3 +925,23 @@ Notes
>>> from enum import IntEnum
>>> class MyIntEnum(IntEnum):
... __str__ = IntEnum.__str__

Additionally, it's possible to end up shadowing a method or property from
a derived baseclass such as :meth:`str.title` or :attr:`~numbers.Rational.numerator`,
which can cause unexpected issues at runtime.

Consider the following examples::

>>> from enum import StrEnum
>>> class MyStrEnum(StrEnum):
... title = "RED"
>>> MyStrEnum.title.title()
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Traceback (most recent call last):
...
TypeError: 'MyStrEnum' object is not callable

>>> from enum import IntEnum
>>> class MyIntEnum(IntEnum):
... numerator = 42
>>> MyIntEnum.numerator.numerator
<MyIntEnum.numerator: 42>
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