Fix scraper crash on local files

spotify_scraper.py

@@ -39,7 +39,7 @@ class SpotifyScraper:
     def extract_id_from_link(self, link: str) -> str:
         return link[link.rindex('/') + 1:]
 
-    def scrape_tracks(self, link: str, console=None) -> list:
+    def scrape_tracks(self, link: str, console=None) -> list[SpotifyTrack]:
         id_type = self.identify_link_type(link)
         if id_type == self.IDTypes.Playlist:
             return self.scrape_playlist_tracks(self.extract_id_from_link(link))

utils/spotify_album.py

@@ -14,8 +14,11 @@ class SpotifyAlbum:
             self.load_from_data(album_data)
 
     def load_from_data(self, data):
+        if not data['album_type']:
+            return
         self.title = data['name']
-        self.thumbnail_href = data['images'][0]['url']
+        if len(data['images']) > 0:
+            self.thumbnail_href = data['images'][0]['url']
         self.track_count = data['total_tracks']
         try:
             self.release_date = time.mktime(datetime.datetime.strptime(data['release_date'], "%Y-%m-%d").timetuple())

utils/spotify_track.py

@@ -48,7 +48,9 @@ class SpotifyTrack:
         self.explicit = data['explicit']
         self.href = data['href']
         self.popularity = data['popularity']
-        self.isrc = data['external_ids']['isrc']
+        if 'isrc' in data['external_ids']:
+            # isrc is not available for local files
+            self.isrc = data['external_ids']['isrc']
 
     def __str__(self) -> str:
         return f'SpotifyTrack< {self.title} >'
@@ -65,9 +67,13 @@ class SpotifyTrack:
         return scraper.get(self.thumbnail_href).content
 
     def get_download_link(self, scraper) -> str:
+        if not self.isrc:
+            return ''
         return Deezer.get_track_download_url(Deezer.get_track_data(Deezer.get_track_id_from_isrc(self.isrc)))[0]
 
     def download(self, scraper) -> bytes:
+        if not self.isrc:
+            raise SpotifyTrackException(f'Cannot download local file {self.title}!')
         try:
             download_link = self.get_download_link(scraper)
             data = Deezer.decrypt_download_data(requests.get(download_link, headers={'Accept':'*/*'}), self.isrc)