ErrHelpParser¶

class privex.helpers.common.ErrHelpParser(prog=None, usage=None, description=None, epilog=None, parents=[], formatter_class=<class 'argparse.HelpFormatter'>, prefix_chars='-', fromfile_prefix_chars=None, argument_default=None, conflict_handler='error', add_help=True, allow_abbrev=True)[source]¶

ErrHelpParser - Use this instead of argparse.ArgumentParser to automatically get full help output as well as the error message when arguments are invalid, instead of just an error message.

>>> parser = ErrHelpParser(description='My command line app')
>>> parser.add_argument('nums', metavar='N', type=int, nargs='+')

__init__(prog=None, usage=None, description=None, epilog=None, parents=[], formatter_class=<class 'argparse.HelpFormatter'>, prefix_chars='-', fromfile_prefix_chars=None, argument_default=None, conflict_handler='error', add_help=True, allow_abbrev=True): Initialize self. See help(type(self)) for accurate signature.

Methods¶

Methods

error(message)

Prints a usage message incorporating the message to stderr and exits.