[Optimize]Error messages about Model api. (#3839)

* add v1/models interface related

* add model parameters

* default model verification

* unit test

* check model err_msg

* unit test

* type annotation

* model parameter in response

* modify document description

* modify document description

* unit test

* verification

* verification update

* model_name

* pre-commit

* update test case

* update test case

* Update tests/entrypoints/openai/test_serving_models.py

Co-authored-by: Copilot <[email protected]>

* Update tests/entrypoints/openai/test_serving_models.py

Co-authored-by: Copilot <[email protected]>

* Update tests/entrypoints/openai/test_serving_models.py

Co-authored-by: Copilot <[email protected]>

* Update tests/entrypoints/openai/test_serving_models.py

Co-authored-by: Copilot <[email protected]>

* Update fastdeploy/entrypoints/openai/serving_models.py

Co-authored-by: Copilot <[email protected]>

* 优化报错信息。

---------

Co-authored-by: yangzichao01 <[email protected]>
Co-authored-by: Yzc216 <[email protected]>
Co-authored-by: LiqinruiG <[email protected]>
Co-authored-by: Copilot <[email protected]>

Author: 4 people

fastdeploy/entrypoints/openai/serving_chat.py

@@ -91,7 +91,7 @@ async def create_chat_completion(self, request: ChatCompletionRequest):
         if self.models:
             is_supported, request.model = self.models.is_supported_model(request.model)
             if not is_supported:
-                err_msg = f"Unsupported model: {request.model}, support {', '.join([x.name for x in self.models.model_paths])} or default"
+                err_msg = f"Unsupported model: [{request.model}], support [{', '.join([x.name for x in self.models.model_paths])}] or default"
                 api_server_logger.error(err_msg)
                 return ErrorResponse(message=err_msg, code=400)
 

fastdeploy/entrypoints/openai/serving_completion.py

@@ -67,7 +67,7 @@ async def create_completion(self, request: CompletionRequest):
         if self.models:
             is_supported, request.model = self.models.is_supported_model(request.model)
             if not is_supported:
-                err_msg = f"Unsupported model: {request.model}, support {', '.join([x.name for x in self.models.model_paths])} or default"
+                err_msg = f"Unsupported model: [{request.model}], support [{', '.join([x.name for x in self.models.model_paths])}] or default"
                 api_server_logger.error(err_msg)
                 return ErrorResponse(message=err_msg, code=400)
         created_time = int(time.time())

tests/entrypoints/openai/test_serving_models.py

@@ -1,19 +1,3 @@
-"""
-# Copyright (c) 2025  PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License"
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-"""
-
 import asyncio
 import unittest