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gh-61011: Fix inheritance of nested mutually exclusive groups in argparse (GH-125210)

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Previously, all nested mutually exclusive groups lost their connection
to the group containing them and were displayed as belonging directly
to the parser.

Co-authored-by: Danica J. Sutherland <djsutherland@users.noreply.github.com>
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Serhiy Storchaka 2024-10-11 11:43:29 +03:00 • committed by GitHub
parent 0135848059
commit 18c7449768
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4 changed files with 39 additions and 1 deletions
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6
Lib/argparse.py
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@ -1521,7 +1521,11 @@ class _ActionsContainer(object):
# NOTE: if add_mutually_exclusive_group ever gains title= and
# description= then this code will need to be expanded as above
for group in container._mutually_exclusive_groups:
mutex_group = self.add_mutually_exclusive_group(
if group._container is container:
cont = self
else:
cont = title_group_map[group._container.title]
mutex_group = cont.add_mutually_exclusive_group(
required=group.required)
# map the actions to their new mutex group