search: fix missing artists when filtering songs/videos (#655)

* search: fix missing artists when filtering songs/videos

* search: fix missing artists when filtering songs/videos

tests/mixins/test_search.py

@@ -49,6 +49,7 @@ def test_search_filters(self, yt_auth):
         query = "hip hop playlist"
         results = yt_auth.search(query, filter="songs")
         assert len(results) > 10
+        assert all(len(item["artists"]) > 0 for item in results)
         assert all(item["resultType"] == "song" for item in results)
         results = yt_auth.search(query, filter="videos")
         assert len(results) > 10

ytmusicapi/parsers/i18n.py

@@ -29,6 +29,7 @@ def __init__(self, language):
     @i18n
     def get_search_result_types(self):
         return [
+            _("album"),
             _("artist"),
             _("playlist"),
             _("song"),

ytmusicapi/parsers/search.py

@@ -14,7 +14,7 @@ def get_search_result_type(result_type_local, result_types_local):
     if result_type_local not in result_types_local:
         result_type = "album"
     else:
-        result_type = UNIQUE_RESULT_TYPES[result_types_local.index(result_type_local)]
+        result_type = ALL_RESULT_TYPES[result_types_local.index(result_type_local)]
 
     return result_type
 
@@ -154,7 +154,8 @@ def parse_search_result(data, search_result_types, result_type, category):
         search_result["year"] = None
         flex_item = get_flex_column_item(data, 1)
         runs = flex_item["text"]["runs"]
-        runs_offset = (len(runs[0]) == 1) * 2  # ignore the first run if it is a type specifier (like "Song")
+        # ignore the first run if it is a type specifier (like "Single" or "Album")
+        runs_offset = (len(runs[0]) == 1 and runs[0]["text"].lower() in search_result_types) * 2
         song_info = parse_song_runs(runs[runs_offset:])
         search_result.update(song_info)