def get_usage(self, program_name=None):
        """Get the commandline usage string for this experiment."""
        program_name = os.path.relpath(
            program_name or sys.argv[0] or "Dummy", self.base_dir
        )
        commands = OrderedDict(self.gather_commands())
        long_usage = format_usage(
            program_name, self.doc, commands, self.all_cli_options
        )
        # internal usage is a workaround because docopt cannot handle spaces
        # in program names. So for parsing we use 'dummy' as the program name.
        # for printing help etc. we want to use the actual program name.
        internal_usage = format_usage("dummy", self.doc, commands, self.all_cli_options)
        short_usage = printable_usage(long_usage)
        return short_usage, long_usage, internal_usage
Get the commandline usage string for this experiment.
sacred/experiment.py