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gh-95077: [Enum] add code-based deprecation warnings for member.member access #95083

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Merged
ethanfurman merged 9 commits into from
Jul 25, 2022
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gh-95077: [Enum] add code-based deprecation warnings for member.member access #95083

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d20226c
always store member property in current class
ethanfurman Jul 20, 2022
a81c0e5
issue deprecation warning for member.member access
ethanfurman Jul 21, 2022
6a980de
remove __getattr__ from docs
ethanfurman Jul 21, 2022
01acf3c
update docs
ethanfurman Jul 21, 2022
27e5141
add news entry
ethanfurman Jul 21, 2022
1c158b5
rename NEWS file back to bpo
ethanfurman Jul 21, 2022
e85af4c
trying to figure out correct file name for NEWS entry
ethanfurman Jul 21, 2022
b7659d8
remove faulty news file
ethanfurman Jul 22, 2022
f1412a9
📜🤖 Added by blurb_it.
blurb-it[bot] Jul 22, 2022
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update docs
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@ethanfurman
ethanfurman committed Jul 21, 2022
commit 01acf3c464945dad5c2bfc99ed6fe042c57b9712
19 changes: 4 additions & 15 deletions Doc/howto/enum.rst
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Expand Up @@ -945,23 +945,12 @@ but remain normal attributes.
""""""""""""""""""""

Enum members are instances of their enum class, and are normally accessed as
``EnumClass.member``. In Python versions ``3.5`` to ``3.10`` you could access
members from other members -- this practice was discouraged, and in ``3.11``
:class:`Enum` returns to not allowing it::

>>> class FieldTypes(Enum):
... name = 0
... value = 1
... size = 2
...
>>> FieldTypes.value.size
Traceback (most recent call last):
...
AttributeError: <enum 'FieldTypes'> member has no attribute 'size'

``EnumClass.member``. In Python versions starting with ``3.5`` you could access
members from other members -- this practice is discouraged, is deprecated
in ``3.12``, and will be removed in ``3.14``.

.. versionchanged:: 3.5
.. versionchanged:: 3.11
.. versionchanged:: 3.12


Creating members that are mixed with other data types
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