__init__.py 文件源码

def last_user_difference(session, dob):
    last_date = session.get(DOB_KEY)
    if not last_date:
        return ''

    last_date = datetime.fromordinal(last_date)
    old_or_younger = "same"

    if dob > last_date:
        old_or_younger = "younger"
        diff = relativedelta(dob, last_date)
    elif dob < last_date:
        old_or_younger = "older"
        diff = relativedelta(last_date, dob)

    if old_or_younger != "same":
        return "You are %s years, %s months, %s days %s than the last user." % (
                diff.years, diff.months, diff.days, old_or_younger)

    return "You have the same birthday as the last user."