Download litellm/proxy/custom_callbacks.py from nonhuman/nnnn: direct link, hf CLI and curl.
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https://huggingface.co/spaces/nonhuman/nnnn/resolve/main/litellm/proxy/custom_callbacks.py
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hf download hf://spaces/nonhuman/nnnn/litellm/proxy/custom_callbacks.py
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curl -L -o custom_callbacks.py https://huggingface.co/spaces/nonhuman/nnnn/resolve/main/litellm/proxy/custom_callbacks.py
2.03 kB
| from litellm.integrations.custom_logger import CustomLogger | |
| import litellm | |
| # This file includes the custom callbacks for LiteLLM Proxy | |
| # Once defined, these can be passed in proxy_config.yaml | |
| class MyCustomHandler(CustomLogger): | |
| 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): | |
| # log: key, user, model, prompt, response, tokens, cost | |
| print("\nOn Success") | |
| ### Access kwargs passed to litellm.completion() | |
| 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 | |
| def log_failure_event(self, kwargs, response_obj, start_time, end_time): | |
| print(f"On Failure") | |
| proxy_handler_instance = MyCustomHandler() | |
| # need to set litellm.callbacks = [customHandler] # on the proxy | |