docs: def parse_this(func, types, args=None, delimiter_chars=":"):
      """Create an ArgParser for the given function converting the command line
         arguments according to the list of types.
  
      Args:
          func: the function for which the command line arguments to be parsed
          types: a list of types - as accepted by argparse - that will be used to
              convert the command line arguments
          args: a list of arguments to be parsed if None sys.argv is used
          delimiter_chars: characters used to separate the parameters from their
          help message in the docstring. Defaults to ':'
      """
      _LOG.debug("Creating parser for %s", func.__name__)
      (func_args, dummy_1, dummy_2, defaults) = getargspec(func)
      types, func_args = _check_types(func.__name__, types, func_args, defaults)
      args_and_defaults = _get_args_and_defaults(func_args, defaults)
      parser = _get_arg_parser(func, types, args_and_defaults, delimiter_chars)
      arguments = parser.parse_args(_get_args_to_parse(args, sys.argv))
      return _call(func, func_args, arguments)