Add elo compute

app.py

@@ -17,6 +17,13 @@ envs = [
         "global": None,
     },
 ]
+matchmaking = Matchmaking()
+
+
+def update_elos():
+    matchmaking.read_history()
+    matchmaking.compute_elo()
+    matchmaking.save_elo_data()
 
 
 def get_env_data(env_name) -> pd.DataFrame:

matchmaking.py

@@ -61,6 +61,13 @@ class Matchmaking:
             model1.games_played += 1
             model2.games_played += 1
 
+    def save_elo_data(self):
+        """ Save the match history as a CSV file to the hub. """
+        df = pd.DataFrame(columns=['name', 'elo'])
+        for model in self.models:
+            df = pd.concat([df, pd.DataFrame([[model.name, model.elo]], columns=['name', 'elo'])])
+        df.to_csv('elo.csv', index=False)
+
     def get_model(self, name):
         """ Return the Model with the given name. """
         for model in self.models: