[Refactor] [6/N] to simplify the vLLM openai chat_completion serving architecture (#32240)

Signed-off-by: chaunceyjiang <chaunceyjiang@gmail.com>

vllm/tool_parsers/phi4mini_tool_parser.py

@@ -9,8 +9,10 @@ import regex as re
 from transformers import PreTrainedTokenizerBase
 
 from vllm.entrypoints.chat_utils import make_tool_call_id
-from vllm.entrypoints.openai.protocol import (
+from vllm.entrypoints.openai.chat_completion.protocol import (
     ChatCompletionRequest,
+)
+from vllm.entrypoints.openai.engine.protocol import (
     DeltaMessage,
     ExtractedToolCallInformation,
     FunctionCall,

vllm/tool_parsers/pythonic_tool_parser.py

@@ -10,8 +10,10 @@ import regex as re
 from transformers import PreTrainedTokenizerBase
 
 import vllm.envs as envs
-from vllm.entrypoints.openai.protocol import (
+from vllm.entrypoints.openai.chat_completion.protocol import (
     ChatCompletionRequest,
+)
+from vllm.entrypoints.openai.engine.protocol import (
     DeltaFunctionCall,
     DeltaMessage,
     DeltaToolCall,

vllm/tool_parsers/qwen3coder_tool_parser.py

@@ -8,9 +8,11 @@ from typing import Any
 
 import regex as re
 
-from vllm.entrypoints.openai.protocol import (
+from vllm.entrypoints.openai.chat_completion.protocol import (
     ChatCompletionRequest,
     ChatCompletionToolsParam,
+)
+from vllm.entrypoints.openai.engine.protocol import (
     DeltaFunctionCall,
     DeltaMessage,
     DeltaToolCall,

vllm/tool_parsers/qwen3xml_tool_parser.py

@@ -9,9 +9,11 @@ from xml.parsers.expat import ParserCreate
 import regex as re
 
 from vllm.entrypoints.chat_utils import make_tool_call_id
-from vllm.entrypoints.openai.protocol import (
+from vllm.entrypoints.openai.chat_completion.protocol import (
     ChatCompletionRequest,
     ChatCompletionToolsParam,
+)
+from vllm.entrypoints.openai.engine.protocol import (
     DeltaFunctionCall,
     DeltaMessage,
     DeltaToolCall,

vllm/tool_parsers/seed_oss_tool_parser.py

@@ -11,9 +11,11 @@ from typing import Any
 
 import regex as re
 
-from vllm.entrypoints.openai.protocol import (
+from vllm.entrypoints.openai.chat_completion.protocol import (
     ChatCompletionRequest,
     ChatCompletionToolsParam,
+)
+from vllm.entrypoints.openai.engine.protocol import (
     DeltaFunctionCall,
     DeltaMessage,
     DeltaToolCall,

vllm/tool_parsers/step3_tool_parser.py

@@ -8,8 +8,10 @@ from typing import Any
 
 import regex as re
 
-from vllm.entrypoints.openai.protocol import (
+from vllm.entrypoints.openai.chat_completion.protocol import (
     ChatCompletionRequest,
+)
+from vllm.entrypoints.openai.engine.protocol import (
     DeltaFunctionCall,
     DeltaMessage,
     DeltaToolCall,

vllm/tool_parsers/utils.py

@@ -13,7 +13,7 @@ from openai.types.responses import (
 from openai.types.responses.tool import Tool
 from partial_json_parser.core.options import Allow
 
-from vllm.entrypoints.openai.protocol import (
+from vllm.entrypoints.openai.chat_completion.protocol import (
     ChatCompletionNamedToolChoiceParam,
     ChatCompletionToolsParam,
 )

vllm/tool_parsers/xlam_tool_parser.py

@@ -6,10 +6,11 @@ from collections.abc import Sequence
 from typing import Any, Optional, Union
 
 import regex as re
-
-from vllm.entrypoints.chat_utils import make_tool_call_id
-from vllm.entrypoints.openai.protocol import (
+from vllm.entrypoints.openai.chat_completion.protocol import (
     ChatCompletionRequest,
+)
+from vllm.entrypoints.chat_utils import make_tool_call_id
+from vllm.entrypoints.openai.engine.protocol import (
     DeltaFunctionCall,
     DeltaMessage,
     DeltaToolCall,