def clean_semver(cls, version_spec):
        return re.sub(r"([<>=~])\s+?v?", "\\1", version_spec, re.IGNORECASE)
def parse_record(self, metadata, line):
        factors = line.split('|')
        if len(factors) < 7:
            return

        registry, cc, type_, start, value, dete, status = factors[:7]
        if type_ not in ('ipv4', 'ipv6'):
            return

        return Record(metadata, start, type_, value, cc)