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[3.13] gh-124345: Support abbreviated single-dash long options with = in argparse (GH-124428) (GH-124753)

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(cherry picked from commit 61180446ee)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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Miss Islington (bot) 2024-10-07 23:26:37 +02:00 • committed by GitHub
parent f28906e58e
commit 597b6211ab
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3 changed files with 16 additions and 3 deletions
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6
Lib/argparse.py
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@ -2344,7 +2344,9 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
# but multiple character options always have to have their argument
# separate
elif option_string[0] in chars and option_string[1] not in chars:
option_prefix = option_string
option_prefix, sep, explicit_arg = option_string.partition('=')
if not sep:
sep = explicit_arg = None
short_option_prefix = option_string[:2]
short_explicit_arg = option_string[2:]
@ -2355,7 +2357,7 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
result.append(tup)
elif self.allow_abbrev and option_string.startswith(option_prefix):
action = self._option_string_actions[option_string]
tup = action, option_string, None, None
tup = action, option_string, sep, explicit_arg
result.append(tup)
# shouldn't ever get here