utils.py 文件源码

def timestamp(dt):
    """Return the unix timestamp (seconds past the epoch) for datetime dt"""
    # This is the equivalent of Python 3.3's datetime.timestamp
    try:
        return dt.timestamp()
    except AttributeError:
        if dt.tzinfo is None:
            return mktime(dt.timetuple())
        else:
            return (dt - EPOCH).total_seconds()