__init__.py 文件源码

def utc_to_local(utc_dt):
    """converts utc time to local time

    based on the answer of J.F. Sebastian on
    http://stackoverflow.com/questions/4563272/how-to-convert-a-python-utc-datetime-to-a-local-datetime-using-only-python-stand/13287083#13287083
    """
    # get integer timestamp to avoid precision lost
    timestamp = calendar.timegm(utc_dt.timetuple())
    local_dt = datetime.datetime.fromtimestamp(timestamp)
    assert utc_dt.resolution >= datetime.timedelta(microseconds=1)
    return local_dt.replace(microsecond=utc_dt.microsecond)