update audio dept. to use TotemPlParser for internet radio streams

screenless/bureau/audio/audio.py

@@ -1,6 +1,8 @@
 import kode256
 import requests
+import gi
 
+from gi.repository import TotemPlParser
 from gsp import GstreamerPlayer
 
 from bureau import Bureau, add_command, add_webview
@@ -32,10 +34,20 @@ class Audio(Bureau):
         """
         shortcode, _ = data.split(".")
         self.log.debug("looking up shortcode " + shortcode)
-        url = self.urldb.get(shortcode)
-        self.log.debug(" playing url " + url)
-
-        self.player.queue(url)
+        pl_url = self.urldb.get(shortcode)
+        self.log.debug(" playing url " + pl_url)
+       
+        parser = TotemPlParser.Parser()
+        urls = []
+        def parsercb(parser, uri, metadata, urls):
+            #TODO: would be nice to use the metadata when adding the station 
+            #      and for now-playing
+            urls.append(uri)
+        parser.connect("entry-parsed", parsercb, urls)
+        parser.parse(pl_url, True)
+
+        for url in urls:
+            self.player.queue(url)
         self.current_uri = url
 
     @add_command("stop", "Halt audio playback.")