(test) proxy - async custom logger

litellm/proxy/proxy_server.py

@@ -500,7 +500,7 @@ def load_router_config(router: Optional[litellm.Router], config_file_path: str):
                     password=cache_password
                 )
             elif key == "callbacks":
-                litellm.callbacks = [get_instance_fn(value=value)]
+                litellm.callbacks = [get_instance_fn(value=value, config_file_path=config_file_path)]
                 print_verbose(f"{blue_color_code} Initialized Callbacks - {litellm.callbacks} {reset_color_code}")
             elif key == "success_callback":
                 litellm.success_callback = []

litellm/tests/test_configs/custom_callbacks.py

@@ -0,0 +1,101 @@
+from litellm.integrations.custom_logger import CustomLogger
+import inspect
+import litellm
+
+class MyCustomHandler(CustomLogger):
+    def __init__(self):
+        self.success: bool = False                  # type: ignore
+        self.failure: bool = False                  # type: ignore
+        self.async_success: bool = False            # type: ignore
+        self.async_success_embedding: bool = False  # type: ignore
+        self.async_failure: bool = False            # type: ignore
+        self.async_failure_embedding: bool = False  # type: ignore
+
+        self.async_completion_kwargs = None         # type: ignore
+        self.async_embedding_kwargs = None          # type: ignore
+        self.async_embedding_response = None        # type: ignore
+
+        self.async_completion_kwargs_fail = None    # type: ignore
+        self.async_embedding_kwargs_fail = None     # type: ignore
+        blue_color_code = "\033[94m"
+        reset_color_code = "\033[0m"
+        print(f"{blue_color_code}Initialized LiteLLM custom logger")
+        try:
+            print(f"Logger Initialized with following methods:")
+            methods = [method for method in dir(self) if inspect.ismethod(getattr(self, method))]
+            
+            # Pretty print the methods
+            for method in methods:
+                print(f" - {method}")
+            print(f"{reset_color_code}")
+        except:
+            pass
+
+    def log_pre_api_call(self, model, messages, kwargs): 
+        print(f"Pre-API Call")
+    
+    def log_post_api_call(self, kwargs, response_obj, start_time, end_time): 
+        print(f"Post-API Call")
+    
+    def log_stream_event(self, kwargs, response_obj, start_time, end_time):
+        print(f"On Stream")
+        
+    def log_success_event(self, kwargs, response_obj, start_time, end_time): 
+        print(f"On Success")
+        self.success = True
+
+    def log_failure_event(self, kwargs, response_obj, start_time, end_time): 
+        print(f"On Failure")
+        self.failure = True
+
+    async def async_log_success_event(self, kwargs, response_obj, start_time, end_time): 
+        print(f"On Async success")
+        self.async_success = True
+        print("Value of async success: ", self.async_success)
+        print("\n kwargs: ", kwargs)
+        if kwargs.get("model") == "text-embedding-ada-002":
+            self.async_success_embedding = True
+            self.async_embedding_kwargs = kwargs
+            self.async_embedding_response = response_obj
+        self.async_completion_kwargs = kwargs
+
+        model = kwargs.get("model", None)
+        messages = kwargs.get("messages", None)
+        user = kwargs.get("user", None)
+
+        # Access litellm_params passed to litellm.completion(), example access `metadata`
+        litellm_params = kwargs.get("litellm_params", {})
+        metadata = litellm_params.get("metadata", {})   # headers passed to LiteLLM proxy, can be found here
+
+        # Calculate cost using  litellm.completion_cost()
+        cost = litellm.completion_cost(completion_response=response_obj)
+        response = response_obj
+        # tokens used in response 
+        usage = response_obj["usage"]
+
+        print(
+            f"""
+                Model: {model},
+                Messages: {messages},
+                User: {user},
+                Usage: {usage},
+                Cost: {cost},
+                Response: {response}
+                Proxy Metadata: {metadata}
+            """
+        )
+        return
+
+    
+    async def async_log_failure_event(self, kwargs, response_obj, start_time, end_time): 
+        print(f"On Async Failure")
+        self.async_failure = True
+        print("Value of async failure: ", self.async_failure)
+        print("\n kwargs: ", kwargs)
+        if kwargs.get("model") == "text-embedding-ada-002":
+            self.async_failure_embedding = True
+            self.async_embedding_kwargs_fail = kwargs
+        
+        self.async_completion_kwargs_fail = kwargs
+
+my_custom_logger = MyCustomHandler()

litellm/tests/test_configs/test_custom_logger.yaml

@@ -0,0 +1,9 @@
+model_list: 
+  - model_name: "litellm-test-model"
+    litellm_params: 
+      model: "gpt-3.5-turbo"
+
+litellm_settings:
+  drop_params: True
+  set_verbose: True
+  callbacks: custom_callbacks.my_custom_logger

litellm/tests/test_proxy_custom_logger.py

@@ -0,0 +1,83 @@
+import sys, os
+import traceback
+from dotenv import load_dotenv
+
+load_dotenv()
+import os, io
+
+# this file is to test litellm/proxy
+
+sys.path.insert(
+    0, os.path.abspath("../..")
+)  # Adds the parent directory to the system path 
+import pytest
+import litellm
+from litellm import embedding, completion, completion_cost, Timeout
+from litellm import RateLimitError
+import importlib, inspect
+
+# test /chat/completion request to the proxy
+from fastapi.testclient import TestClient
+from fastapi import FastAPI
+from litellm.proxy.proxy_server import router, save_worker_config, initialize  # Replace with the actual module where your FastAPI router is defined
+filepath = os.path.dirname(os.path.abspath(__file__))
+config_fp = f"{filepath}/test_configs/test_custom_logger.yaml"
+python_file_path = f"{filepath}/test_configs/custom_callbacks.py"
+save_worker_config(config=config_fp, model=None, alias=None, api_base=None, api_version=None, debug=False, temperature=None, max_tokens=None, request_timeout=600, max_budget=None, telemetry=False, drop_params=True, add_function_to_prompt=False, headers=None, save=False, use_queue=False)
+app = FastAPI()
+app.include_router(router)  # Include your router in the test app
+@app.on_event("startup")
+async def wrapper_startup_event():
+    initialize(config=config_fp, model=None, alias=None, api_base=None, api_version=None, debug=True, temperature=None, max_tokens=None, request_timeout=600, max_budget=None, telemetry=False, drop_params=True, add_function_to_prompt=False, headers=None, save=False, use_queue=False)
+
+# Here you create a fixture that will be used by your tests
+# Make sure the fixture returns TestClient(app)
+@pytest.fixture(autouse=True)
+def client():
+    with TestClient(app) as client:
+        yield client
+
+
+
+def test_chat_completion(client):
+    try:
+         # Your test data
+        print("initialized proxy")
+        # import the initialized custom logger
+        my_custom_logger = importlib.util.spec_from_file_location("my_custom_logger", python_file_path)
+        print("my_custom_logger", my_custom_logger)
+
+        blue_color_code = "\033[94m"
+        reset_color_code = "\033[0m"
+        print(f"{blue_color_code}Initialized LiteLLM custom logger")
+        try:
+            print(f"Logger Initialized with following methods:")
+            methods = [method for method in dir(my_custom_logger) if inspect.ismethod(getattr(my_custom_logger, method))]
+            
+            # Pretty print the methods
+            for method in methods:
+                print(f" - {method}")
+            print(f"{reset_color_code}")
+        except:
+            pass
+
+        for attribute in dir(my_custom_logger):
+            print(f"{attribute}: {getattr(my_custom_logger, attribute)}")
+        test_data = {
+            "model": "litellm-test-model",
+            "messages": [
+                {
+                    "role": "user",
+                    "content": "hi"
+                },
+            ],
+            "max_tokens": 10,
+        }
+
+
+        response = client.post("/chat/completions", json=test_data)
+        print("made request", response.status_code, response.text)
+        result = response.json()
+        print(f"Received response: {result}")
+    except Exception as e:
+        pytest.fail("LiteLLM Proxy test failed. Exception", e)