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vllm-project--vllm/vllm/entrypoints/scale_out/derender/api_router.py
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chore: import upstream snapshot with attribution
2026-07-13 12:55:37 +08:00

75 lines
2.6 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
from http import HTTPStatus
from fastapi import APIRouter, Depends, Request
from fastapi.responses import JSONResponse
from vllm.entrypoints.openai.chat_completion.protocol import ChatCompletionResponse
from vllm.entrypoints.openai.completion.protocol import CompletionResponse
from vllm.entrypoints.openai.engine.protocol import ErrorResponse
from vllm.entrypoints.serve.utils.api_utils import validate_json_request
from vllm.logger import init_logger
from ..token_in_token_out.protocol import (
DerenderChatRequest,
DerenderCompletionRequest,
)
from .serving import ServingDerender
logger = init_logger(__name__)
router = APIRouter()
def derender(request: Request) -> ServingDerender | None:
return getattr(request.app.state, "serving_derender", None)
@router.post(
"/v1/chat/completions/derender",
dependencies=[Depends(validate_json_request)],
response_model=ChatCompletionResponse,
responses={
HTTPStatus.BAD_REQUEST.value: {"model": ErrorResponse},
HTTPStatus.NOT_FOUND.value: {"model": ErrorResponse},
HTTPStatus.INTERNAL_SERVER_ERROR.value: {"model": ErrorResponse},
},
)
async def derender_chat_completion(request: DerenderChatRequest, raw_request: Request):
handler = derender(raw_request)
if handler is None:
raise NotImplementedError(
"The model does not support Chat Completions Derender API"
)
result = await handler.derender_chat_response(request)
if isinstance(result, ErrorResponse):
return JSONResponse(content=result.model_dump(), status_code=result.error.code)
return JSONResponse(content=result.model_dump())
@router.post(
"/v1/completions/derender",
dependencies=[Depends(validate_json_request)],
response_model=CompletionResponse,
responses={
HTTPStatus.BAD_REQUEST.value: {"model": ErrorResponse},
HTTPStatus.NOT_FOUND.value: {"model": ErrorResponse},
HTTPStatus.INTERNAL_SERVER_ERROR.value: {"model": ErrorResponse},
},
)
async def derender_completion(request: DerenderCompletionRequest, raw_request: Request):
handler = derender(raw_request)
if handler is None:
raise NotImplementedError("The model does not support Completions Derender API")
result = await handler.derender_completion_response(request)
if isinstance(result, ErrorResponse):
return JSONResponse(content=result.model_dump(), status_code=result.error.code)
return JSONResponse(content=result.model_dump())