stream: Hook stream scanner up to proxy settings

docs/changelog.rst

@@ -124,6 +124,9 @@ v0.20.0 (UNRELEASED)
 
 - Add basic tests for the stream library provider.
 
+- Add support for proxies when doing initial metadata lookup for stream.
+  (Fixes :issue:`390`)
+
 **Mopidy.js client library**
 
 This version has been released to npm as Mopidy.js v0.5.0.

mopidy/stream/actor.py

@@ -20,7 +20,8 @@ class StreamBackend(pykka.ThreadingActor, backend.Backend):
 
         self.library = StreamLibraryProvider(
             backend=self, timeout=config['stream']['timeout'],
-            blacklist=config['stream']['metadata_blacklist'])
+            blacklist=config['stream']['metadata_blacklist'],
+            proxy=config['proxy'])
         self.playback = backend.PlaybackProvider(audio=audio, backend=self)
         self.playlists = None
 
@@ -29,9 +30,9 @@ class StreamBackend(pykka.ThreadingActor, backend.Backend):
 
 
 class StreamLibraryProvider(backend.LibraryProvider):
-    def __init__(self, backend, timeout, blacklist):
+    def __init__(self, backend, timeout, blacklist, proxy):
         super(StreamLibraryProvider, self).__init__(backend)
-        self._scanner = scan.Scanner(timeout=timeout)
+        self._scanner = scan.Scanner(timeout=timeout, proxy_config=proxy)
         self._blacklist_re = re.compile(
             r'^(%s)$' % '|'.join(fnmatch.translate(u) for u in blacklist))
 

tests/stream/test_library.py

@@ -25,19 +25,19 @@ class LibraryProviderTest(unittest.TestCase):
         self.uri = path_to_uri(path_to_data_dir('song1.wav'))
 
     def test_lookup_ignores_unknown_scheme(self):
-        library = actor.StreamLibraryProvider(self.backend, 1000, [])
+        library = actor.StreamLibraryProvider(self.backend, 1000, [], {})
         self.assertFalse(library.lookup('http://example.com'))
 
     def test_lookup_respects_blacklist(self):
-        library = actor.StreamLibraryProvider(self.backend, 100, [self.uri])
+        library = actor.StreamLibraryProvider(self.backend, 10, [self.uri], {})
         self.assertEqual([Track(uri=self.uri)], library.lookup(self.uri))
 
     def test_lookup_respects_blacklist_globbing(self):
         blacklist = [path_to_uri(path_to_data_dir('')) + '*']
-        library = actor.StreamLibraryProvider(self.backend, 100, blacklist)
+        library = actor.StreamLibraryProvider(self.backend, 100, blacklist, {})
         self.assertEqual([Track(uri=self.uri)], library.lookup(self.uri))
 
     def test_lookup_converts_uri_metadata_to_track(self):
-        library = actor.StreamLibraryProvider(self.backend, 100, [])
+        library = actor.StreamLibraryProvider(self.backend, 100, [], {})
         self.assertEqual([Track(length=4406, uri=self.uri)],
                          library.lookup(self.uri))