iso_8601_period.py

"""Proposal Temporal Duration in Python"""

ISO_8601_PERIOD = re.compile(
    r"""
    ^
        ((?P<sign>-)|[+])?
        P
        ((?P<years>\d+)Y)?
        ((?P<months>\d+)M)?
        ((?P<weeks>\d+)W)?
        ((?P<days>\d+)D)?
        (T
            ((?P<hours>\d+)H)?
            ((?P<minutes>\d+)M)?
            ((?P<seconds>\d+)
                ([.](?P<subsecond>\d+))?
            S)?
        )?
    $
    """,
    re.X,
)