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#### Rerank Endpoints #####
import orjson
from fastapi import APIRouter, Depends, HTTPException, Request, Response, status
from fastapi.responses import ORJSONResponse
from litellm._logging import verbose_proxy_logger
from litellm.proxy._types import *
from litellm.proxy.auth.user_api_key_auth import user_api_key_auth
router = APIRouter()
import asyncio
@router.post(
"/v1/rerank",
dependencies=[Depends(user_api_key_auth)],
response_class=ORJSONResponse,
tags=["rerank"],
)
@router.post(
"/rerank",
dependencies=[Depends(user_api_key_auth)],
response_class=ORJSONResponse,
tags=["rerank"],
)
async def rerank(
request: Request,
fastapi_response: Response,
user_api_key_dict: UserAPIKeyAuth = Depends(user_api_key_auth),
):
from litellm.proxy.proxy_server import (
add_litellm_data_to_request,
general_settings,
get_custom_headers,
llm_router,
proxy_config,
proxy_logging_obj,
route_request,
user_model,
version,
)
data = {}
try:
body = await request.body()
data = orjson.loads(body)
# Include original request and headers in the data
data = await add_litellm_data_to_request(
data=data,
request=request,
general_settings=general_settings,
user_api_key_dict=user_api_key_dict,
version=version,
proxy_config=proxy_config,
)
### CALL HOOKS ### - modify incoming data / reject request before calling the model
data = await proxy_logging_obj.pre_call_hook(
user_api_key_dict=user_api_key_dict, data=data, call_type="rerank"
)
## ROUTE TO CORRECT ENDPOINT ##
llm_call = await route_request(
data=data,
route_type="arerank",
llm_router=llm_router,
user_model=user_model,
)
response = await llm_call
### ALERTING ###
asyncio.create_task(
proxy_logging_obj.update_request_status(
litellm_call_id=data.get("litellm_call_id", ""), status="success"
)
)
### RESPONSE HEADERS ###
hidden_params = getattr(response, "_hidden_params", {}) or {}
model_id = hidden_params.get("model_id", None) or ""
cache_key = hidden_params.get("cache_key", None) or ""
api_base = hidden_params.get("api_base", None) or ""
additional_headers = hidden_params.get("additional_headers", None) or {}
fastapi_response.headers.update(
get_custom_headers(
user_api_key_dict=user_api_key_dict,
model_id=model_id,
cache_key=cache_key,
api_base=api_base,
version=version,
model_region=getattr(user_api_key_dict, "allowed_model_region", ""),
request_data=data,
**additional_headers,
)
)
return response
except Exception as e:
await proxy_logging_obj.post_call_failure_hook(
user_api_key_dict=user_api_key_dict, original_exception=e, request_data=data
)
verbose_proxy_logger.error(
"litellm.proxy.proxy_server.rerank(): Exception occured - {}".format(str(e))
)
if isinstance(e, HTTPException):
raise ProxyException(
message=getattr(e, "message", str(e)),
type=getattr(e, "type", "None"),
param=getattr(e, "param", "None"),
code=getattr(e, "status_code", status.HTTP_400_BAD_REQUEST),
)
else:
error_msg = f"{str(e)}"
raise ProxyException(
message=getattr(e, "message", error_msg),
type=getattr(e, "type", "None"),
param=getattr(e, "param", "None"),
code=getattr(e, "status_code", 500),
)
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