argparse list of options
parser.add_argument('--list', default='all', const='all', nargs='?', choices=['servers', 'storage', 'all'], help='list servers, storage, or both (default: %(default)s)')
argparse list of options
parser.add_argument('--list', default='all', const='all', nargs='?', choices=['servers', 'storage', 'all'], help='list servers, storage, or both (default: %(default)s)')
argparse python
# Generic parser function intialization in PYTHON def create_parser(arguments): """Returns an instance of argparse.ArgumentParser""" # your code here parser = argparse.ArgumentParser( description="Description of your code") parser.add_argument("argument", help="mandatory or positional argument") parser.add_argument("-o", "--optional", help="Will take an optional argument after the flag") namespace = parser.parse_args(arguments) # Returns a namespace object with your arguments return namespace
argparse accept only few options
... parser.add_argument('--val', choices=['a', 'b', 'c'], help='Special testing value') args = parser.parse_args(sys.argv[1:])
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