Add support for playlist images from webapi

Author: adamcik

mopidy_spotify/images.py

@@ -26,6 +26,8 @@ def get_images(web_client, uris):
         for uri in group:
             if uri["key"] in _cache:
                 result[uri["uri"]] = _cache[uri["key"]]
+            elif uri_type == "playlist":
+                result.update(_process_uri(web_client, uri))
             else:
                 batch.append(uri)
                 if len(batch) >= _API_MAX_IDS_PER_REQUEST:
@@ -45,7 +47,8 @@ def _parse_uri(uri):
         if parsed_uri.netloc in ("open.spotify.com", "play.spotify.com"):
             uri_type, uri_id = parsed_uri.path.split("/")[1:3]
 
-    if uri_type and uri_type in ("track", "album", "artist") and uri_id:
+    supported_types = ("track", "album", "artist", "playlist")
+    if uri_type and uri_type in supported_types and uri_id:
         return {
             "uri": uri,
             "type": uri_type,
@@ -56,6 +59,13 @@ def _parse_uri(uri):
     raise ValueError(f"Could not parse {repr(uri)} as a Spotify URI")
 
 
+def _process_uri(web_client, uri):
+    data = web_client.get(f"{uri['type']}s/{uri['id']}")
+    print(data)
+    _cache[uri["key"]] = tuple(_translate_image(i) for i in data["images"])
+    return {uri["uri"]: _cache[uri["key"]]}
+
+
 def _process_uris(web_client, uri_type, uris):
     result = {}
     ids = [u["id"] for u in uris]

tests/test_images.py

@@ -131,6 +131,31 @@ def test_get_track_images(web_client_mock, img_provider):
     assert image.width == 640
 
 
+def test_get_track_images(web_client_mock, img_provider):
+    uris = ["spotify:playlist:41shEpOKyyadtG6lDclooa"]
+
+    web_client_mock.get.return_value = {
+        "id": "41shEpOKyyadtG6lDclooa",
+        "images": [{"height": 640, "url": "img://1/a", "width": 640}],
+    }
+
+    result = img_provider.get_images(uris)
+
+    web_client_mock.get.assert_called_once_with(
+        "playlists/41shEpOKyyadtG6lDclooa"
+    )
+
+    assert len(result) == 1
+    assert sorted(result.keys()) == sorted(uris)
+    assert len(result[uris[0]]) == 1
+
+    image = result[uris[0]][0]
+    assert isinstance(image, models.Image)
+    assert image.uri == "img://1/a"
+    assert image.height == 640
+    assert image.width == 640
+
+
 def test_results_are_cached(web_client_mock, img_provider):
     uris = [
         "spotify:track:41shEpOKyyadtG6lDclooa",