Function get_zoneinfo_metadata

Lib/test/test_zoneinfo/data/update_test_data.py:52–76

()

def get_zoneinfo_metadata() -> typing.Dict[str, str]:
    path = get_zoneinfo_path()

    tzdata_zi = path / "tzdata.zi"
    if not tzdata_zi.exists():
        # tzdata.zi is necessary to get the version information
        raise OSError("Time zone data does not include tzdata.zi.")

    with open(tzdata_zi, "r") as f:
        version_line = next(f)

    _, version = version_line.strip().rsplit(" ", 1)

    if (
        not version[0:4].isdigit()
        or len(version) < 5
        or not version[4:].isalpha()
    ):
        raise ValueError(
            "Version string should be YYYYx, "
            + "where YYYY is the year and x is a letter; "
            + f"found: {version}"
        )

    return {"version": version}


def get_zoneinfo(key: str) -> bytes: