core.py 文件源码

def date_as_iso8601(self):
        from dateutil.tz import tzlocal
        ts = self.meta.get("date", None)
        if ts is None: return None
        # TODO: Take timezone from config instead of tzlocal()
        tz = tzlocal()
        ts = ts.astimezone(tz)
        offset = tz.utcoffset(ts)
        offset_sec = (offset.days * 24 * 3600 + offset.seconds)
        offset_hrs = offset_sec // 3600
        offset_min = offset_sec % 3600
        if offset:
            tz_str = '{0:+03d}:{1:02d}'.format(offset_hrs, offset_min // 60)
        else:
            tz_str = 'Z'
        return ts.strftime("%Y-%m-%d %H:%M:%S") + tz_str