Added 'add_to_playlist' example

examples/add_tracks_to_playlist.py

@@ -0,0 +1,28 @@
+
+# Adds tracks to a playlist
+
+import pprint
+import sys
+
+import spotipy
+import spotipy.oauth2 as oauth2
+import util
+
+if len(sys.argv) > 3:
+    username = sys.argv[1]
+    playlist_id = sys.argv[2]
+    track_ids = sys.argv[3:]
+else:
+    print "Usage: %s username playlist_id track_id ..." % (sys.argv[0],)
+    sys.exit()
+
+scope = 'playlist-modify'
+token = util.prompt_for_user_token(username, scope)
+
+if token:
+    sp = spotipy.Spotify(auth=token)
+    sp.trace = False
+    results = sp.user_playlist_add_tracks(username, playlist_id, track_ids)
+    pprint.pprint(results)
+else:
+    print "Can't get token for", username