cc_device_finder.py 文件源码

def get_device_name(ip_addr):
    """ get the device friendly name for an IP address """

    try:
        conn = httplib.HTTPConnection(ip_addr + ":8008")
        conn.request("GET", "/ssdp/device-desc.xml")
        resp = conn.getresponse()

        if resp.status == 200:
            status_doc = resp.read()
            try:
                xml = ElementTree.fromstring(status_doc)

                device_element = xml.find("{urn:schemas-upnp-org:device-1-0}" + "device")

                return device_element.find("{urn:schemas-upnp-org:device-1-0}" + "friendlyName").text

            except ElementTree.ParseError:
                return ""    
        else:
            return "" 
    except:
        # unable to get a name - this might be for many reasons 
        # e.g. a non chromecast device on the network that responded to the search
        return ""