utils.py 文件源码

def get_timestamp(filename):

    class GMLHandler(xml.sax.ContentHandler):

        timestamp = None

        def startElement(self, name, attrs):
            if name == "wfs:FeatureCollection":
                self.timestamp = attrs['timeStamp']

    handler = GMLHandler()
    parser = xml.sax.make_parser()
    parser.setContentHandler(handler)
    parser.parse(filename)

    timestamp = iso8601.parse_date(handler.timestamp, default_timezone=None)
    return pytz.timezone(settings.TIME_ZONE).localize(timestamp)