Return the python representation

def as_python(self, name: str) -> str:
        """ Return the python representation """
        if self._ruleTokens:
            pattern = "jsg.JSGPattern(r'{}'.format({}))".\
                format(self._rulePattern, ', '.join(['{v}={v}.pattern'.format(v=v) for v in sorted(self._ruleTokens)]))
        else:
            pattern = "jsg.JSGPattern(r'{}')".format(self._rulePattern)
        base_type = self._jsontype.signature_type() if self._jsontype else "jsg.JSGString"
        return python_template.format(name=name, base_type=base_type, pattern=pattern)