Code: Alles auswählen
import argparse
if __name__ == '__main__':
parser = argparse.ArgumentParser(
description='Test')
parser.add_argument('--alpha', default=0.05, type=float,
help="Test [default: %default]")
args = parser.parse_args()
Code: Alles auswählen
$ python arg.py -h
Traceback (most recent call last):
File "arg.py", line 10, in <module>
args = parser.parse_args()
File "/usr/lib64/python2.7/argparse.py", line 1688, in parse_args
args, argv = self.parse_known_args(args, namespace)
File "/usr/lib64/python2.7/argparse.py", line 1720, in parse_known_args
namespace, args = self._parse_known_args(args, namespace)
File "/usr/lib64/python2.7/argparse.py", line 1926, in _parse_known_args
start_index = consume_optional(start_index)
File "/usr/lib64/python2.7/argparse.py", line 1866, in consume_optional
take_action(action, args, option_string)
File "/usr/lib64/python2.7/argparse.py", line 1794, in take_action
action(self, namespace, argument_values, option_string)
File "/usr/lib64/python2.7/argparse.py", line 994, in __call__
parser.print_help()
File "/usr/lib64/python2.7/argparse.py", line 2327, in print_help
self._print_message(self.format_help(), file)
File "/usr/lib64/python2.7/argparse.py", line 2301, in format_help
return formatter.format_help()
File "/usr/lib64/python2.7/argparse.py", line 279, in format_help
help = self._root_section.format_help()
File "/usr/lib64/python2.7/argparse.py", line 209, in format_help
func(*args)
File "/usr/lib64/python2.7/argparse.py", line 209, in format_help
func(*args)
File "/usr/lib64/python2.7/argparse.py", line 515, in _format_action
help_text = self._expand_help(action)
File "/usr/lib64/python2.7/argparse.py", line 601, in _expand_help
return self._get_help_string(action) % params
TypeError: %d format: a number is required, not dict