__init__.py 文件源码

def _get_bridge(self, name):
        conn = self.conn
        bridges = [interface.name() for interface in conn.listAllInterfaces()]
        if name in bridges:
            return name
        try:
            net = self.conn.networkLookupByName(name)
        except:
            return None
        netxml = net.XMLDesc(0)
        root = ET.fromstring(netxml)
        bridge = root.getiterator('bridge')
        if bridge:
            attributes = bridge[0].attrib
            bridge = attributes.get('name')
        return bridge