litellm-mirror/litellm/integrations/custom_logger.py

#### What this does ####
#    On success, logs events to Promptlayer
import os
import traceback
from datetime import datetime as datetimeObj
from typing import Any, Literal, Optional, Tuple, Union

import dotenv
from pydantic import BaseModel

from litellm.caching import DualCache
from litellm.proxy._types import UserAPIKeyAuth
from litellm.types.llms.openai import ChatCompletionRequest
from litellm.types.services import ServiceLoggerPayload
from litellm.types.utils import (
    AdapterCompletionStreamWrapper,
    EmbeddingResponse,
    ImageResponse,
    ModelResponse,
)


class CustomLogger:  # https://docs.litellm.ai/docs/observability/custom_callback#callback-class
    # Class variables or attributes
    def __init__(self, message_logging: bool = True) -> None:
        self.message_logging = message_logging
        pass

    def log_pre_api_call(self, model, messages, kwargs):
        pass

    def log_post_api_call(self, kwargs, response_obj, start_time, end_time):
        pass

    def log_stream_event(self, kwargs, response_obj, start_time, end_time):
        pass

    def log_success_event(self, kwargs, response_obj, start_time, end_time):
        pass

    def log_failure_event(self, kwargs, response_obj, start_time, end_time):
        pass

    #### ASYNC ####

    async def async_log_stream_event(self, kwargs, response_obj, start_time, end_time):
        pass

    async def async_log_pre_api_call(self, model, messages, kwargs):
        pass

    async def async_log_success_event(self, kwargs, response_obj, start_time, end_time):
        pass

    async def async_log_failure_event(self, kwargs, response_obj, start_time, end_time):
        pass

    #### PRE-CALL CHECKS - router/proxy only ####
    """
    Allows usage-based-routing-v2 to run pre-call rpm checks within the picked deployment's semaphore (concurrency-safe tpm/rpm checks).
    """

    async def async_pre_call_check(self, deployment: dict) -> Optional[dict]:
        pass

    def pre_call_check(self, deployment: dict) -> Optional[dict]:
        pass

    #### Fallback Events - router/proxy only ####
    async def log_model_group_rate_limit_error(
        self, exception: Exception, original_model_group: Optional[str], kwargs: dict
    ):
        pass

    async def log_success_fallback_event(
        self, original_model_group: str, kwargs: dict, original_exception: Exception
    ):
        pass

    async def log_failure_fallback_event(
        self, original_model_group: str, kwargs: dict, original_exception: Exception
    ):
        pass

    #### ADAPTERS #### Allow calling 100+ LLMs in custom format - https://github.com/BerriAI/litellm/pulls

    def translate_completion_input_params(
        self, kwargs
    ) -> Optional[ChatCompletionRequest]:
        """
        Translates the input params, from the provider's native format to the litellm.completion() format.
        """
        pass

    def translate_completion_output_params(
        self, response: ModelResponse
    ) -> Optional[BaseModel]:
        """
        Translates the output params, from the OpenAI format to the custom format.
        """
        pass

    def translate_completion_output_params_streaming(
        self, completion_stream: Any
    ) -> Optional[AdapterCompletionStreamWrapper]:
        """
        Translates the streaming chunk, from the OpenAI format to the custom format.
        """
        pass

    #### CALL HOOKS - proxy only ####
    """
    Control the modify incoming / outgoung data before calling the model
    """

    async def async_pre_call_hook(
        self,
        user_api_key_dict: UserAPIKeyAuth,
        cache: DualCache,
        data: dict,
        call_type: Literal[
            "completion",
            "text_completion",
            "embeddings",
            "image_generation",
            "moderation",
            "audio_transcription",
            "pass_through_endpoint",
            "rerank",
        ],
    ) -> Optional[
        Union[Exception, str, dict]
    ]:  # raise exception if invalid, return a str for the user to receive - if rejected, or return a modified dictionary for passing into litellm
        pass

    async def async_post_call_failure_hook(
        self,
        request_data: dict,
        original_exception: Exception,
        user_api_key_dict: UserAPIKeyAuth,
    ):
        pass

    async def async_post_call_success_hook(
        self,
        data: dict,
        user_api_key_dict: UserAPIKeyAuth,
        response: Union[Any, ModelResponse, EmbeddingResponse, ImageResponse],
    ) -> Any:
        pass

    async def async_logging_hook(
        self, kwargs: dict, result: Any, call_type: str
    ) -> Tuple[dict, Any]:
        """For masking logged request/response. Return a modified version of the request/result."""
        return kwargs, result

    def logging_hook(
        self, kwargs: dict, result: Any, call_type: str
    ) -> Tuple[dict, Any]:
        """For masking logged request/response. Return a modified version of the request/result."""
        return kwargs, result

    async def async_moderation_hook(
        self,
        data: dict,
        user_api_key_dict: UserAPIKeyAuth,
        call_type: Literal[
            "completion",
            "embeddings",
            "image_generation",
            "moderation",
            "audio_transcription",
        ],
    ) -> Any:
        pass

    async def async_post_call_streaming_hook(
        self,
        user_api_key_dict: UserAPIKeyAuth,
        response: str,
    ) -> Any:
        pass

    #### SINGLE-USE #### - https://docs.litellm.ai/docs/observability/custom_callback#using-your-custom-callback-function

    def log_input_event(self, model, messages, kwargs, print_verbose, callback_func):
        try:
            kwargs["model"] = model
            kwargs["messages"] = messages
            kwargs["log_event_type"] = "pre_api_call"
            callback_func(
                kwargs,
            )
            print_verbose(f"Custom Logger - model call details: {kwargs}")
        except Exception:
            print_verbose(f"Custom Logger Error - {traceback.format_exc()}")

    async def async_log_input_event(
        self, model, messages, kwargs, print_verbose, callback_func
    ):
        try:
            kwargs["model"] = model
            kwargs["messages"] = messages
            kwargs["log_event_type"] = "pre_api_call"
            await callback_func(
                kwargs,
            )
            print_verbose(f"Custom Logger - model call details: {kwargs}")
        except Exception:
            print_verbose(f"Custom Logger Error - {traceback.format_exc()}")

    def log_event(
        self, kwargs, response_obj, start_time, end_time, print_verbose, callback_func
    ):
        # Method definition
        try:
            kwargs["log_event_type"] = "post_api_call"
            callback_func(
                kwargs,  # kwargs to func
                response_obj,
                start_time,
                end_time,
            )
        except Exception:
            print_verbose(f"Custom Logger Error - {traceback.format_exc()}")
            pass

    async def async_log_event(
        self, kwargs, response_obj, start_time, end_time, print_verbose, callback_func
    ):
        # Method definition
        try:
            kwargs["log_event_type"] = "post_api_call"
            await callback_func(
                kwargs,  # kwargs to func
                response_obj,
                start_time,
                end_time,
            )
        except Exception:
            print_verbose(f"Custom Logger Error - {traceback.format_exc()}")
            pass