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Backport multi-format tool parser to v0.12.0#2

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hanseungwook wants to merge 2 commits intov0.12.0-ifmfrom
tgat/multi-format-tool-parser-v0.12.0
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Backport multi-format tool parser to v0.12.0#2
hanseungwook wants to merge 2 commits intov0.12.0-ifmfrom
tgat/multi-format-tool-parser-v0.12.0

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@hanseungwook
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@hanseungwook hanseungwook commented Apr 10, 2026

Summary

  • backport the multi-format tool parser to the v0.12.0 serving stack
  • add multi_format tool parser support for default, qwen3, glm, minimax, dsv32, gptoss, and python chat-template formats
  • thread chat_template_kwargs into compatible tool parsers without breaking legacy parser constructors
  • align glm and python parsing with the exact chat-template output format
  • add targeted tests for parser dispatch/extraction and the constructor compatibility shim

Testing

  • .venv/bin/python -m ruff check vllm/entrypoints/openai/serving_chat.py vllm/entrypoints/openai/serving_engine.py vllm/entrypoints/openai/serving_responses.py vllm/entrypoints/openai/tool_parsers/__init__.py vllm/entrypoints/openai/tool_parsers/multi_format_tool_parser.py tests/entrypoints/openai/test_tool_parser_kwargs.py tests/entrypoints/openai/tool_parsers/test_multi_format_tool_parser.py
  • .venv/bin/python -m pytest tests/entrypoints/openai/test_tool_parser_kwargs.py tests/entrypoints/openai/tool_parsers/test_multi_format_tool_parser.py -v
  • Result: 20 passed.

@hanseungwook
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Streaming mode is not supported at the moment

@hanseungwook hanseungwook force-pushed the tgat/multi-format-tool-parser-v0.12.0 branch from c619f38 to 677cef0 Compare April 10, 2026 21:29
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