dnsdb_query.py 文件源码

def time_parse(s):
    try:
        epoch = int(s)
        return epoch
    except ValueError:
        pass

    try:
        epoch = int(calendar.timegm(time.strptime(s, '%Y-%m-%d')))
        return epoch
    except ValueError:
        pass

    try:
        epoch = int(calendar.timegm(time.strptime(s, '%Y-%m-%d %H:%M:%S')))
        return epoch
    except ValueError:
        pass

    m = re.match(r'^(?=\d)(?:(\d+)w)?(?:(\d+)d)?(?:(\d+)h)?(?:(\d+)m)?(?:(\d+)s?)?$', s, re.I)
    if m:
        return -1*(int(m.group(1) or 0)*604800 +  \
                int(m.group(2) or 0)*86400+  \
                int(m.group(3) or 0)*3600+  \
                int(m.group(4) or 0)*60+  \
                int(m.group(5) or 0))

    raise ValueError('Invalid time: "%s"' % s)