Axel <[email protected]> added the comment:
Some more details:
The problem is not the order of assignment in take_action:
Defaults have been set by:
def parse_known_args(self, args=None, namespace=None):
...
# add any action defaults that aren't present
for action in self._actions:
if action.dest is not SUPPRESS:
if not hasattr(namespace, action.dest):
if action.default is not SUPPRESS:
setattr(namespace, action.dest, action.default)
Assignment without argument should not happen, like the example shows:
==============
from argparse import ArgumentParser
parser = ArgumentParser()
parser.add_argument('i', action="count", default=42)
args = parser.parse_args([])
print(repr(args))
==============
Namespace(i=43)
==============
----------
nosy: -paul.j3
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Python tracker <[email protected]>
<https://bugs.python.org/issue36078>
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