ArgumentParser

class

argparse.ArgumentParser(prog=None, usage=None, description=None, epilog=None, parents=[], formatter_class=argparse.HelpFormatter, prefix_chars='-', fromfile_prefix_chars=None, argument_default=None, conflict_handler='error', add_help=True, allow_abbrev=True)

1. prog - name of the program (default: sys.argv [0])
2. usage - use a string describing the program (default: generating a parameter added to the parser)
3. description - text to be displayed before the parameter help file (Default: None)
4. epilog - text displayed after the parameter help file (Default: None)
5. parents - ArgumentParser a list of objects, their parameters should also be included
6. formatter_class - help documentation for customizing the output format of the class
7. prefix_chars - prefix characters optional set of parameters (default: '-')
8. fromfile_prefix_chars - when other parameters need to be read from a file, a prefix character set (default: None) containing the filename
9. argument_default - global default value of the parameter (default: None)
10. conflict_handler - Strategies to resolve conflicts option (usually unnecessary)
11. add_help - Adding a -h / parser - help option (default: True)
12. allow_abbrev - If the abbreviation is unambiguous, allows abbreviations long options (default: True)