Make scrobbler plugin use proxy settings

Author: Dimitris Dalianis

mopidy_scrobbler/frontend.py

@@ -26,9 +26,21 @@ def __init__(self, config, core):
     def on_start(self):
         try:
             self.lastfm = pylast.LastFMNetwork(
-                api_key=API_KEY, api_secret=API_SECRET,
-                username=self.config['scrobbler']['username'],
-                password_hash=pylast.md5(self.config['scrobbler']['password']))
+                api_key=API_KEY,
+                api_secret=API_SECRET
+            )
+            if self.config.get('proxy'):
+                self.lastfm.enable_proxy(
+                    self.config['proxy']['hostname'],
+                    self.config['proxy']['port']
+                )
+            self.lastfm.username = self.config['scrobbler']['username']
+            self.lastfm.password_hash = pylast.md5(
+                    self.config['scrobbler']['password'])
+            sk_gen = pylast.SessionKeyGenerator(self.lastfm)
+            self.lastfm.session_key = sk_gen.get_session_key(
+                    self.lastfm.username,
+                    self.lastfm.password_hash)
             logger.info('Scrobbler connected to Last.fm')
         except (pylast.NetworkError, pylast.MalformedResponseError,
                 pylast.WSError) as e:

tests/test_frontend.py

@@ -17,21 +17,34 @@ def setUp(self):
             'scrobbler': {
                 'username': 'alice',
                 'password': 'secret',
+            },
+            'proxy': {
+                'hostname': 'myhost',
+                'port': 8080
             }
         }
         self.frontend = frontend_lib.ScrobblerFrontend(
             self.config, mock.sentinel.core)
 
     def test_on_start_creates_lastfm_network(self, pylast_mock):
+        self.frontend.lastfm = mock.Mock(spec=pylast.LastFMNetwork)
+        sk_gen = mock.Mock(spec=pylast.SessionKeyGenerator)
+        pylast_mock.SessionKeyGenerator.return_value = sk_gen
         pylast_mock.md5.return_value = mock.sentinel.password_hash
 
         self.frontend.on_start()
 
         pylast_mock.LastFMNetwork.assert_called_with(
             api_key=frontend_lib.API_KEY,
-            api_secret=frontend_lib.API_SECRET,
-            username='alice',
-            password_hash=mock.sentinel.password_hash)
+            api_secret=frontend_lib.API_SECRET)
+        self.frontend.lastfm.enable_proxy.assert_called_with(
+            'myhost',
+            8080)
+        pylast_mock.SessionKeyGenerator.assert_called_with(
+            self.frontend.lastfm)
+        sk_gen.get_session_key.assert_called_with(
+                'alice',
+                mock.sentinel.password_hash)
 
     def test_on_start_stops_actor_on_error(self, pylast_mock):
         pylast_mock.NetworkError = pylast.NetworkError