catalogparser.py 文件源码

def _xml_to_dict(self, stream):
        """
        Reads the locally saved xml file and converts to a Python
        dictionary.
        """
        print('[%%] Parsing catalogue to Dict')
        catalog = defaultdict(dict)
        for event, symbol in ET.iterparse(XML_FILE):
            if symbol.tag == 'symbol':
                if symbol.get('price-stream') == stream:
                    main_key = symbol.get('name')
                    values = symbol.attrib
                    catalog[main_key]['attribs'] = values
                    catalog[main_key]['time-frames'] = {}
                    child = symbol.getchildren()[0]
                    for tf in child.findall('timeframe'):
                        time_frame = tf.get('name')
                        v = tf.attrib
                        catalog[main_key]['time-frames'][time_frame] = v
            #symbol.clear()
        return dict(catalog)