Class Argument

preprocessor/docopt.py:150–162

class Argument(LeafPattern):

    def single_match(self, left):
        for n, pattern in enumerate(left):
            if type(pattern) is Argument:
                return n, Argument(self.name, pattern.value)
        return None, None

    @classmethod
    def parse(class_, source):
        name = re.findall('(<\S*?>)', source)[0]
        value = re.findall('\[default: (.*)\]', source, flags=re.I)
        return class_(name, value[0] if value else None)


class Command(Argument):