Function _parse_transition_time

Lib/zoneinfo/_zoneinfo.py:731–750

(time_str)

def _parse_transition_time(time_str):
    match = re.fullmatch(
        r"(?P<sign>[+-])?(?P<h>\d{1,3})(:(?P<m>\d{2})(:(?P<s>\d{2}))?)?",
        time_str,
        re.ASCII
    )
    if match is None:
        raise ValueError(f"Invalid time: {time_str}")

    h, m, s = (int(v or 0) for v in match.group("h", "m", "s"))

    if h > 167:
        raise ValueError(
            f"Hour must be in [0, 167]: {time_str}"
        )

    if match.group("sign") == "-":
        h, m, s = -h, -m, -s

    return h, m, s


def _parse_tz_delta(tz_delta):