updating budget manager

litellm/budget_manager.py

@@ -14,15 +14,6 @@ class BudgetManager:
     
     def load_data(self):
         if self.type == "local":
-            # Check if model dict file exists
-            if os.path.isfile("model_cost.json"):
-                # Load the model dict
-                with open("model_cost.json", 'r') as json_file:
-                    self.model_dict = json.load(json_file)
-            else:
-                self.print_verbose("Model Dictionary not found!")
-                self.model_dict = {}
-                    
             # Check if user dict file exists
             if os.path.isfile("user_cost.json"):
                 # Load the user dict
@@ -50,21 +41,28 @@ class BudgetManager:
     def update_cost(self, completion_obj: ModelResponse, user: str):
         cost = litellm.completion_cost(completion_response=completion_obj)
         model = completion_obj['model'] # if this throws an error try, model = completion_obj['model']
-        self.model_dict[model] = cost + self.model_dict.get(model, 0)
         self.user_dict[user]["current_cost"] = cost + self.user_dict[user].get("current_cost", 0)
-        return {"current_user_cost": self.user_dict[user]["current_cost"], "current_model_cost": self.model_dict[model]}
+        if "model_cost" in self.user_dict[user]:
+            self.user_dict[user]["model_cost"][model] = cost + self.user_dict[user]["model_cost"].get(model, 0)
+        else:
+            self.user_dict[user]["model_cost"] = {model: cost}
+        return {"user": self.user_dict[user]}
     
     def get_current_cost(self, user):
         return self.user_dict[user].get("current_cost", 0)
     
+    def get_model_cost(self, user):
+        return self.user_dict[user].get("model_cost", 0)
+    
+    def reset_cost(self, user):
+        self.user_dict[user]["current_cost"] = 0
+        self.user_dict[user]["model_cost"] = {}
+        return {"user": self.user_dict[user]}
+
     def save_data(self):
         if self.type == "local":
             import json 
             
-            # save the model dict
-            with open("model_cost.json", 'w') as json_file:
-                json.dump(self.model_dict, json_file, indent=4)  # Indent for pretty formatting
-            
             # save the user dict 
             with open("user_cost.json", 'w') as json_file:
                 json.dump(self.user_dict, json_file, indent=4)  # Indent for pretty formatting

litellm/tests/test_budget_manager.py

@@ -23,8 +23,6 @@ def test_user_budget_enough():
         "model": "gpt-3.5-turbo",
         "messages": [{"role": "user", "content": "Hey, how's it going?"}]
     }
-    model = data["model"]
-    messages = data["messages"]
     if budget_manager.get_current_cost(user=user) <= budget_manager.get_total_budget(user):
         response = completion(**data)
         print(budget_manager.update_cost(completion_obj=response, user=user))
@@ -61,3 +59,5 @@ def test_budget_save_to_disk():
 ## Scenario 4: Loading budget from disk
 def test_budget_load_from_disk():
     budget_manager_2 = BudgetManager(type="local") 
+
+## Scenario 5: Test get model cost from user dict 

litellm/tests/user_cost.json

@@ -1,7 +1,10 @@
 {
     "1234": {
         "total_budget": 10,
-        "current_cost": 7.7e-05
+        "current_cost": 7.3e-05,
+        "model_cost": {
+            "gpt-3.5-turbo-0613": 7.3e-05
+        }
     },
     "12345": {
         "total_budget": 0