Delete playlists (#7)

* delete_playlists function deletes all playlists

* Updated README & docs for delete-playlists

Author: apastel

README.md

@@ -19,7 +19,9 @@ Type `ytmusic-deleter` to see the usage information. There are currently four co
 
 `unlike-all`:    Reset all Thumbs Up ratings back to neutral.  
 
-`delete-all`:    Combo command that will run `delete-uploads`, `remove-library`, and `unlike-all`.
+`delete-playlists`:    Delete all manually created YT Music playlists.  
+
+`delete-all`:    Combo command that will run `delete-uploads`, `remove-library`, `unlike-all`, and `delete-playlists`.
 ## Examples
 
 Getting help:
@@ -48,7 +50,11 @@ Reset all Thumbs Up ratings back to neutral:
 ```
 ytmusic-deleter unlike-all
 ```
-Remove everything (uploads, library tracks, and unlike all songs):
+Delete all your personally created playlists:
+```
+ytmusic-deleter delete-playlists
+```
+Remove everything (uploads, library tracks, playlists, and unlike all songs):
 ```
 ytmusic-deleter delete-all
 ```

setup.py

@@ -14,7 +14,7 @@
 
 install_reqs = [
     "click",
-    "ytmusicapi",
+    "ytmusicapi >= 0.11.0",
     "enlighten"
 ]
 

tests/test_cli.py

@@ -18,3 +18,8 @@ def test_unlike_all_songs(self):
         runner = CliRunner()
         result = runner.invoke(cli.unlike_all)
         assert result.exit_code == 0
+
+    def test_delete_playlists(self):
+        runner = CliRunner()
+        result = runner.invoke(cli.delete_playlists)
+        assert result.exit_code == 0

ytmusic_deleter/cli.py

@@ -245,10 +245,32 @@ def unlike_all():
     logging.info("Finished unliking all songs.")
 
 
+@cli.command()
+def delete_playlists():
+    """Delete all playlists
+    """
+    logging.info("Retrieving all your playlists...")
+    library_playlists = youtube_auth.get_library_playlists(sys.maxsize)
+    # Can't delete "Your Likes" playlist
+    library_playlists = list(filter(lambda playlist: playlist["playlistId"] != "LM", library_playlists))
+    logging.info(f"\tRetrieved {len(library_playlists)} playlists.")
+    logging.info(f"Begin deleting playlists...")
+    progress_bar = manager.counter(total=len(library_playlists), desc="Playlists Deleted", unit="playlists")
+    for playlist in library_playlists:
+        logging.info(f"Processing playlist: {playlist['title']}")
+        response = youtube_auth.delete_playlist(playlist["playlistId"])
+        if response:
+            logging.info(f"\tRemoved playlist \"{playlist['title']}\" from your library.")
+        else:
+            logging.error(f"\tFailed to remove playlist \"{playlist['title']}\" from your library.")
+        progress_bar.update()
+    logging.info("Finished deleting all playlists")
+
 @cli.command()
 @click.pass_context
 def delete_all(ctx):
-    """Executes delete-uploads, remove-library, and unlike-all"""
+    """Executes delete-uploads, remove-library, unlike-all, and delete_playlists"""
     ctx.invoke(delete_uploads)
     ctx.invoke(remove_library)
     ctx.invoke(unlike_all)
+    ctx.invoke(delete_playlists)