Provides oappend action for argparse that works almost like append, but skips the default list if the user gives any value for the option.
See issue 16399 for a discussion.
Example
You may import OverrideAppendAction and register it with a parser or use the provided parser:
from oappend import OverrideAppendArgumentParser
parser = OverrideAppendArgumentParser()
parser.add_argument('-n', action='oappend', type=int, default=[1, 2])
args = parser.parse_args(['-n3', '-n4']) # Namespace(n=[3, 4])With the standard append action the option would be set to [1, 2, 3, 4], combining your default with user choices.
Installation
pip3 install argparse-oappend1 maintainer
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