[3.9] bpo-42567: [Enum] call __init_subclass__ after members are added (GH-23714)#23772
Merged
Merged
Conversation
pythonGH-23714) When creating an Enum, type.__new__ calls __init_subclass__, but at that point the members have not been added. This patch suppresses the initial call, then manually calls the ancestor __init_subclass__ before returning the new Enum class.. (cherry picked from commit 6bd94de) Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
3 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
When creating an Enum,
type.__new__calls__init_subclass__, but at that point the members have not been added.This patch suppresses the initial call, then manually calls the ancestor
__init_subclass__before returning the new Enum class.(cherry picked from commit 6bd94de)
https://bugs.python.org/issue42567