Removed requirement for examples/app.py to specify port multiple times (only SPOTIPY_REDIRECT_URI needs to contain the port) (#636)

CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Changed docs for `search` to mention that you can provide multiple types to search for
 - The query parameters of requests are now logged
 - Deprecate specifing `cache_path` or `username` directly to `SpotifyOAuth`, `SpotifyPKCE`, and `SpotifyImplicitGrant` constructors, instead directing users to use the `CacheFileHandler` cache handler
+- Removed requirement for examples/app.py to specify port multiple times (only SPOTIPY_REDIRECT_URI needs to contain the port)
 
 ### Added
 

examples/app.py

@@ -18,7 +18,7 @@ Prerequisites
 
 Run app.py
 
-    python3 -m flask run --port=8080
+    python3 app.py OR python3 -m flask run
     NOTE: If receiving "port already in use" error, try other ports: 5000, 8090, 8888, etc...
         (will need to be updated in your Spotify app and SPOTIPY_REDIRECT_URI variable)
 """
@@ -123,4 +123,5 @@ Following lines allow application to be run more conveniently with
 (Also includes directive to leverage pythons threading capacity.)
 '''
 if __name__ == '__main__':
-	app.run(threaded=True, port=int(os.environ.get("PORT", 8080)))
+    app.run(threaded=True, port=int(os.environ.get("PORT",
+                                                   os.environ.get("SPOTIPY_REDIRECT_URI", 8080).split(":")[-1])))