define.py 文件源码

def age_in_years(birthdate):
    """
    Determines an age in years based off of the given arrow.Arrow birthdate
    and the current date.
    """
    now = arrow.now()
    is_upcoming = (now.month, now.day) < (birthdate.month, birthdate.day)

    return now.year - birthdate.year - int(is_upcoming)