API documentation

• ArgumentParser objects
  • description
  • epilog
  • add_help
  • prefix_chars
  • fromfile_prefix_chars
  • argument_default
  • parents
  • formatter_class
  • conflict_handler
  • prog
  • usage
• The add_argument() method
  • name or flags
  • action
  • nargs
  • const
  • default
  • type
  • choices
  • required
  • help
  • metavar
  • dest
• The parse_args() method
  • Option value syntax
  • Invalid arguments
  • Arguments containing "-"
  • Argument abbreviations
  • Beyond sys.argv
  • Custom namespaces
• Other methods
  • Partial parsing
  • Printing help
  • Parser defaults
  • Sub-commands
  • Argument groups
  • Mutual exclusion
  • Customizing file parsing
• Other utilities
  • FileType objects