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[Parser] Pass request.tools to tool parser #38860

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Merged
DarkLight1337 merged 2 commits into from
Apr 7, 2026
+4 −3
Merged

[Parser] Pass request.tools to tool parser #38860

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08d3ecd
Add tool init
sfeng33 Apr 3, 2026
e201acb
Merge branch 'main' into tool-init-parser
sfeng33 Apr 6, 2026
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2 changes: 1 addition & 1 deletion vllm/entrypoints/openai/responses/serving.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1001,7 +1001,7 @@ def _make_response_output_items(

# Use parser to extract and create response output items
if self.parser:
parser = self.parser(tokenizer)
parser = self.parser(tokenizer, request.tools)
return parser.extract_response_outputs(
model_output=final_output.text,
model_output_token_ids=final_output.token_ids,
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5 changes: 3 additions & 2 deletions vllm/parser/abstract_parser.py
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Expand Up @@ -37,6 +37,7 @@
from vllm.reasoning.abs_reasoning_parsers import ReasoningParser
from vllm.tokenizers import TokenizerLike
from vllm.tool_parsers.abstract_tool_parser import ToolParser
from vllm.tool_parsers.utils import Tool
from vllm.utils import random_uuid

logger = init_logger(__name__)
Expand Down Expand Up @@ -542,10 +543,10 @@ class _WrappedParser(DelegatingParser):
reasoning_parser_cls: type[ReasoningParser] | None = None
tool_parser_cls: type[ToolParser] | None = None

def __init__(self, tokenizer: TokenizerLike):
def __init__(self, tokenizer: TokenizerLike, tools: list[Tool] | None = None):
super().__init__(tokenizer)
# Instantiate the underlying parsers from class attributes
if self.__class__.reasoning_parser_cls is not None:
self._reasoning_parser = self.__class__.reasoning_parser_cls(tokenizer)
if self.__class__.tool_parser_cls is not None:
self._tool_parser = self.__class__.tool_parser_cls(tokenizer)
self._tool_parser = self.__class__.tool_parser_cls(tokenizer, tools)
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