How to use the schwifty.registry.manipulate function in schwifty

)


def add_bban_regex(country, spec):
    bban_spec = spec["bban_spec"]
    spec_re = r"(\d+)(!)?([{}])".format("".join(_spec_to_re.keys()))

    def convert(match):
        quantifier = ("{%s}" if match.group(2) else "{1,%s}") % match.group(1)
        return _spec_to_re[match.group(3)] + quantifier

    spec["regex"] = re.compile("^{}$".format(re.sub(spec_re, convert, bban_spec)))
    return spec


registry.manipulate("iban", add_bban_regex)