[Bugfix]: Qwen3 Coder Tool Parser (#23099)
Signed-off-by: Yiheng Xu <charlesyihengxu@gmail.com> Co-authored-by: Aaron Pham <contact@aarnphm.xyz>
This commit is contained in:
Yiheng Xu
GitHub
117
examples/tool_chat_template_qwen3coder.jinja
Normal file
117
examples/tool_chat_template_qwen3coder.jinja
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@ -0,0 +1,117 @@
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{% macro render_extra_keys(json_dict, handled_keys) %}
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{%- if json_dict is mapping %}
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{%- for json_key in json_dict if json_key not in handled_keys %}
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{%- if json_dict[json_key] is mapping or (json_dict[json_key] is sequence and json_dict[json_key] is not string) %}
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{{- '\n<' ~ json_key ~ '>' ~ (json_dict[json_key] | tojson | safe) ~ '</' ~ json_key ~ '>' }}
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{%- else %}
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{{-'\n<' ~ json_key ~ '>' ~ (json_dict[json_key] | string) ~ '</' ~ json_key ~ '>' }}
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{%- endif %}
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{%- endfor %}
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{%- endif %}
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{% endmacro %}
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{%- if messages[0]["role"] == "system" %}
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{%- set system_message = messages[0]["content"] %}
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{%- set loop_messages = messages[1:] %}
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{%- else %}
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{%- set loop_messages = messages %}
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{%- endif %}
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{%- if not tools is defined %}
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{%- set tools = [] %}
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{%- endif %}
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{%- if system_message is defined %}
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{{- "<|im_start|>system\n" + system_message }}
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{%- else %}
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{%- if tools is iterable and tools | length > 0 %}
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{{- "<|im_start|>system\nYou are Qwen, a helpful AI assistant that can interact with a computer to solve tasks." }}
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{%- endif %}
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{%- endif %}
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{%- if tools is iterable and tools | length > 0 %}
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{{- "\n\n# Tools\n\nYou have access to the following functions:\n\n" }}
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{{- "<tools>" }}
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{%- for tool in tools %}
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{%- if tool.function is defined %}
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{%- set tool = tool.function %}
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{%- endif %}
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{{- "\n<function>\n<name>" ~ tool.name ~ "</name>" }}
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{%- if tool.description is defined %}
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{{- '\n<description>' ~ (tool.description | trim) ~ '</description>' }}
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{%- endif %}
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{{- '\n<parameters>' }}
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{%- if tool.parameters is defined and tool.parameters is mapping and tool.parameters.properties is defined and tool.parameters.properties is mapping %}
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{%- for param_name, param_fields in tool.parameters.properties|items %}
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{{- '\n<parameter>' }}
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{{- '\n<name>' ~ param_name ~ '</name>' }}
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{%- if param_fields.type is defined %}
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{{- '\n<type>' ~ (param_fields.type | string) ~ '</type>' }}
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{%- endif %}
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{%- if param_fields.description is defined %}
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{{- '\n<description>' ~ (param_fields.description | trim) ~ '</description>' }}
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{%- endif %}
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{%- set handled_keys = ['name', 'type', 'description'] %}
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{{- render_extra_keys(param_fields, handled_keys) }}
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{{- '\n</parameter>' }}
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{%- endfor %}
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{%- endif %}
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{% set handled_keys = ['type', 'properties'] %}
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{{- render_extra_keys(tool.parameters, handled_keys) }}
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{{- '\n</parameters>' }}
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{%- set handled_keys = ['type', 'name', 'description', 'parameters'] %}
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{{- render_extra_keys(tool, handled_keys) }}
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{{- '\n</function>' }}
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{%- endfor %}
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{{- "\n</tools>" }}
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{{- '\n\nIf you choose to call a function ONLY reply in the following format with NO suffix:\n\n<tool_call>\n<function=example_function_name>\n<parameter=example_parameter_1>\nvalue_1\n</parameter>\n<parameter=example_parameter_2>\nThis is the value for the second parameter\nthat can span\nmultiple lines\n</parameter>\n</function>\n</tool_call>\n\n<IMPORTANT>\nReminder:\n- Function calls MUST follow the specified format: an inner <function=...></function> block must be nested within <tool_call></tool_call> XML tags\n- Required parameters MUST be specified\n- You may provide optional reasoning for your function call in natural language BEFORE the function call, but NOT after\n- If there is no function call available, answer the question like normal with your current knowledge and do not tell the user about function calls\n</IMPORTANT>' }}
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{%- endif %}
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{%- if system_message is defined %}
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{{- '<|im_end|>\n' }}
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{%- else %}
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{%- if tools is iterable and tools | length > 0 %}
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{{- '<|im_end|>\n' }}
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{%- endif %}
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{%- endif %}
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{%- for message in loop_messages %}
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{%- if message.role == "assistant" and message.tool_calls is defined and message.tool_calls is iterable and message.tool_calls | length > 0 %}
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{{- '<|im_start|>' + message.role }}
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{%- if message.content is defined and message.content is string and message.content | trim | length > 0 %}
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{{- '\n' + message.content | trim + '\n' }}
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{%- endif %}
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{%- for tool_call in message.tool_calls %}
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{%- if tool_call.function is defined %}
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{%- set tool_call = tool_call.function %}
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{%- endif %}
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{{- '\n<tool_call>\n<function=' + tool_call.name + '>\n' }}
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{%- if tool_call.arguments is defined %}
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{%- for args_name, args_value in tool_call.arguments|items %}
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{{- '<parameter=' + args_name + '>\n' }}
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{%- set args_value = args_value | tojson | safe if args_value is mapping or (args_value is sequence and args_value is not string) else args_value | string %}
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{{- args_value }}
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{{- '\n</parameter>\n' }}
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{%- endfor %}
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{%- endif %}
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{{- '</function>\n</tool_call>' }}
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{%- endfor %}
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{{- '<|im_end|>\n' }}
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{%- elif message.role == "user" or message.role == "system" or message.role == "assistant" %}
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{{- '<|im_start|>' + message.role + '\n' + message.content + '<|im_end|>' + '\n' }}
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{%- elif message.role == "tool" %}
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{%- if loop.previtem and loop.previtem.role != "tool" %}
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{{- '<|im_start|>user\n' }}
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{%- endif %}
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{{- '<tool_response>\n' }}
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{{- message.content }}
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{{- '\n</tool_response>\n' }}
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{%- if not loop.last and loop.nextitem.role != "tool" %}
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{{- '<|im_end|>\n' }}
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{%- elif loop.last %}
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{{- '<|im_end|>\n' }}
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{%- endif %}
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{%- else %}
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{{- '<|im_start|>' + message.role + '\n' + message.content + '<|im_end|>\n' }}
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{%- endif %}
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{%- endfor %}
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{%- if add_generation_prompt %}
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{{- '<|im_start|>assistant\n' }}
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{%- endif %}
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@ -16,7 +16,7 @@ from vllm.entrypoints.openai.tool_parsers.qwen3coder_tool_parser import (
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from vllm.transformers_utils.detokenizer import detokenize_incrementally
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from vllm.transformers_utils.tokenizer import AnyTokenizer, get_tokenizer
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MODEL = "Qwen/Qwen3-Coder-480B-A35B-Instruct-FP8"
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MODEL = "Qwen/Qwen3-Coder-30B-A3B-Instruct-FP8"
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@pytest.fixture(scope="module")
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@ -397,7 +397,9 @@ hello world
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"no_tools",
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"single_tool",
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"single_tool_with_content",
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"single_tool_multiline_param",
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"parallel_tools",
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"tool_with_typed_params", # Added this test case
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],
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argnames=["model_output", "expected_tool_calls", "expected_content"],
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argvalues=[
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@ -422,7 +424,7 @@ fahrenheit
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"state": "TX",
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"unit": "fahrenheit"
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})))
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], ""),
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], None),
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('''Sure! Let me check the weather for you.<tool_call>
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<function=get_current_weather>
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<parameter=city>
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@ -445,6 +447,30 @@ fahrenheit
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})))
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], "Sure! Let me check the weather for you."),
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('''<tool_call>
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<function=calculate_area>
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<parameter=shape>
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rectangle
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</parameter>
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<parameter=dimensions>
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{"width": 10,
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"height": 20}
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</parameter>
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<parameter=precision>
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2
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</parameter>
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</function>
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</tool_call>''', [
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ToolCall(function=FunctionCall(name="calculate_area",
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arguments=json.dumps({
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"shape": "rectangle",
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"dimensions": {
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"width": 10,
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"height": 20
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},
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"precision": 2
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})))
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], None),
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('''<tool_call>
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<function=get_current_weather>
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<parameter=city>
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Dallas
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@ -484,13 +510,36 @@ celsius
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"state": "FL",
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"unit": "celsius"
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})))
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], ""),
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], None),
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# Added tool_with_typed_params test case
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('''Let me calculate that area for you.<tool_call>
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<function=calculate_area>
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<parameter=shape>
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circle
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</parameter>
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<parameter=dimensions>
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{"radius": 15.5}
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</parameter>
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<parameter=precision>
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3
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</parameter>
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</function>
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</tool_call>''', [
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ToolCall(function=FunctionCall(name="calculate_area",
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arguments=json.dumps({
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"shape": "circle",
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"dimensions": {
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"radius": 15.5
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},
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"precision": 3
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})))
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], "Let me calculate that area for you."),
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],
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)
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def test_extract_tool_calls_streaming(qwen3_tool_parser, qwen3_tokenizer,
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sample_tools, model_output,
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expected_tool_calls, expected_content):
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"""Test incremental streaming behavior"""
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"""Test incremental streaming behavior including typed parameters"""
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request = ChatCompletionRequest(model=MODEL,
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messages=[],
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tools=sample_tools)
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@ -539,7 +588,7 @@ def test_extract_tool_calls_streaming(qwen3_tool_parser, qwen3_tokenizer,
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"arguments"] += tool_call.function.arguments
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# Verify final content
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assert other_content == expected_content
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assert other_content == (expected_content or "") # Handle None case
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# Verify we got all expected tool calls
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assert len(tool_states) == len(expected_tool_calls)
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@ -559,6 +608,125 @@ def test_extract_tool_calls_streaming(qwen3_tool_parser, qwen3_tokenizer,
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assert actual_args == expected_args
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def test_extract_tool_calls_missing_closing_parameter_tag(
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qwen3_tool_parser, sample_tools):
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"""Test handling of missing closing </parameter> tag"""
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# Using get_current_weather from sample_tools but with malformed XML
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model_output = '''Let me check the weather for you:
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<tool_call>
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<function=get_current_weather>
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<parameter=city>
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Dallas
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<parameter=state>
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TX
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</parameter>
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<parameter=unit>
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fahrenheit
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</parameter>
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</function>
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</tool_call>'''
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request = ChatCompletionRequest(model=MODEL,
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messages=[],
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tools=sample_tools)
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extracted_tool_calls = qwen3_tool_parser.extract_tool_calls(
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model_output, request=request)
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# The parser should handle the malformed XML gracefully
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assert extracted_tool_calls.tools_called
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assert len(extracted_tool_calls.tool_calls) == 1
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# Verify the function name is correct
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assert extracted_tool_calls.tool_calls[
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0].function.name == "get_current_weather"
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# Verify the arguments are parsed despite the missing closing tag
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args = json.loads(extracted_tool_calls.tool_calls[0].function.arguments)
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assert "city" in args
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assert args["city"] == "Dallas"
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assert args["state"] == "TX"
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assert args["unit"] == "fahrenheit"
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# Check that content before the tool call is preserved
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assert "Let me check the weather for you:" in extracted_tool_calls.content
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def test_extract_tool_calls_streaming_missing_closing_tag(
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qwen3_tool_parser, qwen3_tokenizer, sample_tools):
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"""Test streaming with missing closing </parameter> tag"""
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# Using get_current_weather from sample_tools but with malformed XML
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model_output = '''Let me check the weather for you:
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<tool_call>
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<function=get_current_weather>
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<parameter=city>
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Dallas
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<parameter=state>
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TX
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</parameter>
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<parameter=unit>
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fahrenheit
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</parameter>
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</function>
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</tool_call>'''
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request = ChatCompletionRequest(model=MODEL,
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messages=[],
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tools=sample_tools)
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other_content = ''
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tool_states = {}
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for delta_message in stream_delta_message_generator(
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qwen3_tool_parser, qwen3_tokenizer, model_output, request):
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if delta_message.content:
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other_content += delta_message.content
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if delta_message.tool_calls:
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for tool_call in delta_message.tool_calls:
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idx = tool_call.index
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if idx not in tool_states:
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tool_states[idx] = {
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"id": None,
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"name": None,
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"arguments": "",
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"type": None
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}
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if tool_call.id:
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tool_states[idx]["id"] = tool_call.id
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if tool_call.type:
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assert tool_call.type == "function"
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tool_states[idx]["type"] = tool_call.type
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if tool_call.function:
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if tool_call.function.name:
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tool_states[idx]["name"] = tool_call.function.name
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if tool_call.function.arguments is not None:
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tool_states[idx][
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"arguments"] += tool_call.function.arguments
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# Verify content was streamed
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assert "Let me check the weather for you:" in other_content
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# Verify we got the tool call
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assert len(tool_states) == 1
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state = tool_states[0]
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assert state["id"] is not None
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assert state["type"] == "function"
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assert state["name"] == "get_current_weather"
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# Verify arguments were parsed correctly despite missing closing tag
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assert state["arguments"] is not None
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args = json.loads(state["arguments"])
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assert args["city"] == "Dallas"
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assert args["state"] == "TX"
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assert args["unit"] == "fahrenheit"
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def test_extract_tool_calls_streaming_incremental(qwen3_tool_parser,
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qwen3_tokenizer,
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sample_tools):
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@ -1,6 +1,6 @@
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# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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import ast
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import json
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import uuid
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from collections.abc import Sequence
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@ -22,7 +22,7 @@ from vllm.transformers_utils.tokenizer import AnyTokenizer
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logger = init_logger(__name__)
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@ToolParserManager.register_module(["qwen3_coder"])
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@ToolParserManager.register_module("qwen3_coder")
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class Qwen3CoderToolParser(ToolParser):
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def __init__(self, tokenizer: AnyTokenizer):
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@ -30,6 +30,8 @@ class Qwen3CoderToolParser(ToolParser):
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self.current_tool_name_sent: bool = False
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self.prev_tool_call_arr: list[dict] = []
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# Override base class type - we use string IDs for tool calls
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self.current_tool_id: Optional[str] = None # type: ignore
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self.streamed_args_for_tool: list[str] = []
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# Sentinel tokens for streaming mode
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@ -42,20 +44,6 @@ class Qwen3CoderToolParser(ToolParser):
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self.is_tool_call_started: bool = False
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self.failed_count: int = 0
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# Streaming state variables
|
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self.current_tool_index: int = 0
|
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self.header_sent: bool = False
|
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self.current_tool_string_id: Optional[str] = None
|
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self.current_function_name: Optional[str] = None
|
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self.current_param_name: Optional[str] = None
|
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self.current_param_value: str = ""
|
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self.param_count: int = 0
|
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self.in_param: bool = False
|
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self.in_function: bool = False
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self.accumulated_text: str = ""
|
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self.json_started: bool = False
|
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self.json_closed: bool = False
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# Enhanced streaming state - reset for each new message
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self._reset_streaming_state()
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@ -67,7 +55,8 @@ class Qwen3CoderToolParser(ToolParser):
|
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self.tool_call_function_regex = re.compile(
|
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r"<function=(.*?)</function>|<function=(.*)$", re.DOTALL)
|
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self.tool_call_parameter_regex = re.compile(
|
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r"<parameter=(.*?)</parameter>|<parameter=(.*?)$", re.DOTALL)
|
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r"<parameter=(.*?)(?:</parameter>|(?=<parameter=)|(?=</function>)|$)",
|
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re.DOTALL)
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|
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if not self.model_tokenizer:
|
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raise ValueError(
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@ -84,8 +73,8 @@ class Qwen3CoderToolParser(ToolParser):
|
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"Qwen3 XML Tool parser could not locate tool call start/end "
|
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"tokens in the tokenizer!")
|
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|
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logger.debug("vLLM Successfully import tool parser %s !",
|
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self.__class__.__name__)
|
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logger.info("vLLM Successfully import tool parser %s !",
|
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self.__class__.__name__)
|
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|
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def _generate_tool_call_id(self) -> str:
|
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"""Generate a unique tool call ID."""
|
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@ -96,7 +85,7 @@ class Qwen3CoderToolParser(ToolParser):
|
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self.current_tool_index = 0
|
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self.is_tool_call_started = False
|
||||
self.header_sent = False
|
||||
self.current_tool_string_id = None
|
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self.current_tool_id = None
|
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self.current_function_name = None
|
||||
self.current_param_name = None
|
||||
self.current_param_value = ""
|
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@ -106,122 +95,122 @@ class Qwen3CoderToolParser(ToolParser):
|
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self.accumulated_text = ""
|
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self.json_started = False
|
||||
self.json_closed = False
|
||||
# Store accumulated parameters for type conversion
|
||||
self.accumulated_params = {}
|
||||
self.streaming_request = None
|
||||
|
||||
def _get_arguments_config(
|
||||
self, func_name: str,
|
||||
tools: Optional[list[ChatCompletionToolsParam]]) -> dict:
|
||||
"""Extract argument configuration for a function."""
|
||||
if tools is None:
|
||||
return {}
|
||||
for config in tools:
|
||||
if not hasattr(config, "type") or not (hasattr(
|
||||
config, "function") and hasattr(config.function, "name")):
|
||||
continue
|
||||
if config.type == "function" and config.function.name == func_name:
|
||||
if not hasattr(config.function, "parameters"):
|
||||
return {}
|
||||
params = config.function.parameters
|
||||
if isinstance(params, dict) and "properties" in params:
|
||||
return params["properties"]
|
||||
elif isinstance(params, dict):
|
||||
return params
|
||||
else:
|
||||
return {}
|
||||
logger.warning("Tool '%s' is not defined in the tools list.",
|
||||
func_name)
|
||||
return {}
|
||||
|
||||
def _convert_param_value(self, param_value: str, param_name: str,
|
||||
param_config: dict, func_name: str) -> Any:
|
||||
"""Convert parameter value based on its type in the schema."""
|
||||
# Handle null value for any type
|
||||
if param_value.lower() == "null":
|
||||
return None
|
||||
|
||||
if param_name not in param_config:
|
||||
if param_config != {}:
|
||||
logger.warning(
|
||||
"Parsed parameter '%s' is not defined in the tool "
|
||||
"parameters for tool '%s', directly returning the "
|
||||
"string value.", param_name, func_name)
|
||||
return param_value
|
||||
|
||||
if isinstance(param_config[param_name],
|
||||
dict) and "type" in param_config[param_name]:
|
||||
param_type = str(param_config[param_name]["type"]).strip().lower()
|
||||
else:
|
||||
param_type = "string"
|
||||
if param_type in ["string", "str", "text", "varchar", "char", "enum"]:
|
||||
return param_value
|
||||
elif param_type.startswith("int") or param_type.startswith(
|
||||
"uint") or param_type.startswith(
|
||||
"long") or param_type.startswith(
|
||||
"short") or param_type.startswith("unsigned"):
|
||||
try:
|
||||
return int(param_value)
|
||||
except (ValueError, TypeError):
|
||||
logger.warning(
|
||||
"Parsed value '%s' of parameter '%s' is not an "
|
||||
"integer in tool '%s', degenerating to string.",
|
||||
param_value, param_name, func_name)
|
||||
return param_value
|
||||
elif param_type.startswith("num") or param_type.startswith("float"):
|
||||
try:
|
||||
float_param_value = float(param_value)
|
||||
return float_param_value if float_param_value - int(
|
||||
float_param_value) != 0 else int(float_param_value)
|
||||
except (ValueError, TypeError):
|
||||
logger.warning(
|
||||
"Parsed value '%s' of parameter '%s' is not a float "
|
||||
"in tool '%s', degenerating to string.", param_value,
|
||||
param_name, func_name)
|
||||
return param_value
|
||||
elif param_type in ["boolean", "bool", "binary"]:
|
||||
param_value = param_value.lower()
|
||||
if param_value not in ["true", "false"]:
|
||||
logger.warning(
|
||||
"Parsed value '%s' of parameter '%s' is not a boolean "
|
||||
"(`true` or `false`) in tool '%s', degenerating to "
|
||||
"false.", param_value, param_name, func_name)
|
||||
return param_value == "true"
|
||||
else:
|
||||
if param_type in ["object", "array", "arr"
|
||||
] or param_type.startswith(
|
||||
"dict") or param_type.startswith("list"):
|
||||
try:
|
||||
param_value = json.loads(param_value)
|
||||
return param_value
|
||||
except (json.JSONDecodeError, TypeError, ValueError):
|
||||
logger.warning(
|
||||
"Parsed value '%s' of parameter '%s' cannot be "
|
||||
"parsed with json.loads in tool '%s', will try "
|
||||
"other methods to parse it.", param_value, param_name,
|
||||
func_name)
|
||||
try:
|
||||
param_value = ast.literal_eval(param_value) # safer
|
||||
except (ValueError, SyntaxError, TypeError):
|
||||
logger.warning(
|
||||
"Parsed value '%s' of parameter '%s' cannot be "
|
||||
"converted via Python `ast.literal_eval()` in tool "
|
||||
"'%s', degenerating to string.", param_value, param_name,
|
||||
func_name)
|
||||
return param_value
|
||||
|
||||
def _parse_xml_function_call(
|
||||
self, function_call_str: str,
|
||||
tools: Optional[list[ChatCompletionToolsParam]]
|
||||
) -> Optional[ToolCall]:
|
||||
|
||||
def get_arguments_config(func_name: str) -> dict:
|
||||
if tools is None:
|
||||
return {}
|
||||
for config in tools:
|
||||
if not hasattr(config, "type") or not (
|
||||
hasattr(config, "function")
|
||||
and hasattr(config.function, "name")):
|
||||
continue
|
||||
if (config.type == "function"
|
||||
and config.function.name == func_name):
|
||||
if not hasattr(config.function, "parameters"):
|
||||
return {}
|
||||
params = config.function.parameters
|
||||
if isinstance(params, dict) and "properties" in params:
|
||||
return params["properties"]
|
||||
elif isinstance(params, dict):
|
||||
return params
|
||||
else:
|
||||
return {}
|
||||
logger.warning("Tool '%s' is not defined in the tools list.",
|
||||
func_name)
|
||||
return {}
|
||||
|
||||
def convert_param_value(param_value: str, param_name: str,
|
||||
param_config: dict, func_name: str) -> Any:
|
||||
# Handle null value for any type
|
||||
if param_value.lower() == "null":
|
||||
return None
|
||||
|
||||
converted_value: Any
|
||||
|
||||
if param_name not in param_config:
|
||||
if param_config != {}:
|
||||
logger.warning(
|
||||
"Parsed parameter '%s' is not defined in the tool "
|
||||
"parameters for tool '%s', directly returning the "
|
||||
"string value.", param_name, func_name)
|
||||
return param_value
|
||||
|
||||
if (isinstance(param_config[param_name], dict)
|
||||
and "type" in param_config[param_name]):
|
||||
param_type = str(
|
||||
param_config[param_name]["type"]).strip().lower()
|
||||
else:
|
||||
param_type = "string"
|
||||
if param_type in [
|
||||
"string", "str", "text", "varchar", "char", "enum"
|
||||
]:
|
||||
return param_value
|
||||
elif (param_type.startswith("int") or param_type.startswith("uint")
|
||||
or param_type.startswith("long")
|
||||
or param_type.startswith("short")
|
||||
or param_type.startswith("unsigned")):
|
||||
try:
|
||||
converted_value = int(param_value)
|
||||
return converted_value
|
||||
except ValueError:
|
||||
logger.warning(
|
||||
"Parsed value '%s' of parameter '%s' is not an "
|
||||
"integer in tool '%s', degenerating to string.",
|
||||
param_value, param_name, func_name)
|
||||
return param_value
|
||||
elif (param_type.startswith("num")
|
||||
or param_type.startswith("float")):
|
||||
try:
|
||||
float_param_value = float(param_value)
|
||||
converted_value = (float_param_value if float_param_value -
|
||||
int(float_param_value) != 0 else
|
||||
int(float_param_value))
|
||||
return converted_value
|
||||
except ValueError:
|
||||
logger.warning(
|
||||
"Parsed value '%s' of parameter '%s' is not a float "
|
||||
"in tool '%s', degenerating to string.", param_value,
|
||||
param_name, func_name)
|
||||
return param_value
|
||||
elif param_type in ["boolean", "bool", "binary"]:
|
||||
param_value = param_value.lower()
|
||||
if param_value not in ["true", "false"]:
|
||||
logger.warning(
|
||||
"Parsed value '%s' of parameter '%s' is not a "
|
||||
"boolean (`true` of `false`) in tool '%s', "
|
||||
"degenerating to false.", param_value, param_name,
|
||||
func_name)
|
||||
return param_value == "true"
|
||||
else:
|
||||
if param_type == "object" or param_type.startswith("dict"):
|
||||
try:
|
||||
converted_value = json.loads(param_value)
|
||||
return converted_value
|
||||
except json.JSONDecodeError:
|
||||
logger.warning(
|
||||
"Parsed value '%s' of parameter '%s' is not a "
|
||||
"valid JSON object in tool '%s', will try other "
|
||||
"methods to parse it.", param_value, param_name,
|
||||
func_name)
|
||||
logger.warning(
|
||||
"Parameter '%s' has unknown type '%s'. "
|
||||
"The value will be treated as a string.", param_name,
|
||||
param_type)
|
||||
return param_value
|
||||
|
||||
# Extract function name
|
||||
end_index = function_call_str.index(">")
|
||||
function_name = function_call_str[:end_index]
|
||||
param_config = get_arguments_config(function_name)
|
||||
param_config = self._get_arguments_config(function_name, tools)
|
||||
parameters = function_call_str[end_index + 1:]
|
||||
param_dict = {}
|
||||
for match in self.tool_call_parameter_regex.findall(parameters):
|
||||
match_text = match[0] if match[0] else match[1]
|
||||
for match_text in self.tool_call_parameter_regex.findall(parameters):
|
||||
idx = match_text.index(">")
|
||||
param_name = match_text[:idx]
|
||||
param_value = str(match_text[idx + 1:])
|
||||
@ -231,7 +220,7 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
if param_value.endswith("\n"):
|
||||
param_value = param_value[:-1]
|
||||
|
||||
param_dict[param_name] = convert_param_value(
|
||||
param_dict[param_name] = self._convert_param_value(
|
||||
param_value, param_name, param_config, function_name)
|
||||
return ToolCall(
|
||||
type="function",
|
||||
@ -284,8 +273,7 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
for function_call_str in function_calls
|
||||
]
|
||||
|
||||
# Populate prev_tool_call_arr for serving layer to set
|
||||
# finish_reason
|
||||
# Populate prev_tool_call_arr for serving layer to set finish_reason
|
||||
self.prev_tool_call_arr.clear() # Clear previous calls
|
||||
for tool_call in tool_calls:
|
||||
if tool_call:
|
||||
@ -298,8 +286,8 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
|
||||
# Extract content before tool calls
|
||||
content_index = model_output.find(self.tool_call_start_token)
|
||||
content_index = (content_index if content_index >= 0 else
|
||||
model_output.find(self.tool_call_prefix))
|
||||
idx = model_output.find(self.tool_call_prefix)
|
||||
content_index = content_index if content_index >= 0 else idx
|
||||
content = model_output[:content_index] # .rstrip()
|
||||
|
||||
return ExtractedToolCallInformation(
|
||||
@ -324,13 +312,16 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
delta_token_ids: Sequence[int],
|
||||
request: ChatCompletionRequest,
|
||||
) -> Union[DeltaMessage, None]:
|
||||
# If no delta text, return None unless it's an EOS token after tool
|
||||
# calls
|
||||
# Store request for type conversion
|
||||
if not previous_text:
|
||||
self._reset_streaming_state()
|
||||
self.streaming_request = request
|
||||
|
||||
# If no delta text, return None unless it's an EOS token after tools
|
||||
if not delta_text:
|
||||
# Check if this is an EOS token after all tool calls are complete
|
||||
# We check for tool calls in the text even if is_tool_call_started
|
||||
# is False because it might have been reset after processing all
|
||||
# tools
|
||||
# Check for tool calls in text even if is_tool_call_started
|
||||
# is False (might have been reset after processing all tools)
|
||||
if (delta_token_ids
|
||||
and self.tool_call_end_token_id not in delta_token_ids):
|
||||
# Count complete tool calls
|
||||
@ -339,24 +330,19 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
|
||||
# If we have completed tool calls and populated
|
||||
# prev_tool_call_arr
|
||||
if (complete_calls > 0 and len(self.prev_tool_call_arr) > 0):
|
||||
if complete_calls > 0 and len(self.prev_tool_call_arr) > 0:
|
||||
# Check if all tool calls are closed
|
||||
open_calls = (
|
||||
current_text.count(self.tool_call_start_token) -
|
||||
current_text.count(self.tool_call_end_token))
|
||||
open_calls = current_text.count(
|
||||
self.tool_call_start_token) - current_text.count(
|
||||
self.tool_call_end_token)
|
||||
if open_calls == 0:
|
||||
# Return empty delta message to allow finish_reason
|
||||
# processing
|
||||
# Return empty delta for finish_reason processing
|
||||
return DeltaMessage(content="")
|
||||
elif not self.is_tool_call_started and current_text:
|
||||
# This is a regular content response that's now complete
|
||||
return DeltaMessage(content="")
|
||||
return None
|
||||
|
||||
# Check if this is the first call (reset state if needed)
|
||||
if not previous_text:
|
||||
self._reset_streaming_state()
|
||||
|
||||
# Update accumulated text
|
||||
self.accumulated_text = current_text
|
||||
|
||||
@ -371,11 +357,11 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
self.param_count = 0
|
||||
self.json_started = False
|
||||
self.json_closed = False
|
||||
self.accumulated_params = {}
|
||||
|
||||
# Check if there are more tool calls
|
||||
tool_starts_count = current_text.count(
|
||||
self.tool_call_start_token)
|
||||
if self.current_tool_index >= tool_starts_count:
|
||||
tool_starts = current_text.count(self.tool_call_start_token)
|
||||
if self.current_tool_index >= tool_starts:
|
||||
# No more tool calls
|
||||
self.is_tool_call_started = False
|
||||
# Continue processing next tool
|
||||
@ -412,20 +398,20 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
|
||||
# We're in a tool call, find the current tool call portion
|
||||
# Need to find the correct tool call based on current_tool_index
|
||||
tool_starts: list[int] = []
|
||||
tool_start_positions: list[int] = []
|
||||
idx = 0
|
||||
while True:
|
||||
idx = current_text.find(self.tool_call_start_token, idx)
|
||||
if idx == -1:
|
||||
break
|
||||
tool_starts.append(idx)
|
||||
tool_start_positions.append(idx)
|
||||
idx += len(self.tool_call_start_token)
|
||||
|
||||
if self.current_tool_index >= len(tool_starts):
|
||||
if self.current_tool_index >= len(tool_start_positions):
|
||||
# No more tool calls to process yet
|
||||
return None
|
||||
|
||||
tool_start_idx = tool_starts[self.current_tool_index]
|
||||
tool_start_idx = tool_start_positions[self.current_tool_index]
|
||||
# Find where this tool call ends (or current position if not ended yet)
|
||||
tool_end_idx = current_text.find(self.tool_call_end_token,
|
||||
tool_start_idx)
|
||||
@ -438,19 +424,19 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
# Looking for function header
|
||||
if not self.header_sent:
|
||||
if self.tool_call_prefix in tool_text:
|
||||
func_start = (tool_text.find(self.tool_call_prefix) +
|
||||
len(self.tool_call_prefix))
|
||||
func_start = tool_text.find(self.tool_call_prefix) + len(
|
||||
self.tool_call_prefix)
|
||||
func_end = tool_text.find(">", func_start)
|
||||
|
||||
if func_end != -1:
|
||||
# Found complete function name
|
||||
self.current_function_name = tool_text[func_start:func_end]
|
||||
self.current_tool_string_id = self._generate_tool_call_id()
|
||||
self.current_tool_id = self._generate_tool_call_id()
|
||||
self.header_sent = True
|
||||
self.in_function = True
|
||||
|
||||
# IMPORTANT: Add to prev_tool_call_arr immediately when we
|
||||
# detect a tool call. This ensures
|
||||
# IMPORTANT: Add to prev_tool_call_arr immediately when
|
||||
# we detect a tool call. This ensures
|
||||
# finish_reason="tool_calls" even if parsing isn't complete
|
||||
already_added = any(
|
||||
tool.get("name") == self.current_function_name
|
||||
@ -466,7 +452,7 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
return DeltaMessage(tool_calls=[
|
||||
DeltaToolCall(
|
||||
index=self.current_tool_index,
|
||||
id=self.current_tool_string_id,
|
||||
id=self.current_tool_id,
|
||||
function=DeltaFunctionCall(
|
||||
name=self.current_function_name, arguments=""),
|
||||
type="function",
|
||||
@ -496,10 +482,11 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
# Close JSON
|
||||
self.json_closed = True
|
||||
|
||||
# Extract the complete tool call to update prev_tool_call_arr
|
||||
# with final arguments. Find the function content
|
||||
func_start = (tool_text.find(self.tool_call_prefix) +
|
||||
len(self.tool_call_prefix))
|
||||
# Extract complete tool call to update
|
||||
# prev_tool_call_arr with final arguments
|
||||
# Find the function content
|
||||
func_start = tool_text.find(self.tool_call_prefix) + len(
|
||||
self.tool_call_prefix)
|
||||
func_content_end = tool_text.find(self.function_end_token,
|
||||
func_start)
|
||||
if func_content_end != -1:
|
||||
@ -507,15 +494,17 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
# Parse to get the complete arguments
|
||||
try:
|
||||
parsed_tool = self._parse_xml_function_call(
|
||||
func_content, request.tools if request else None)
|
||||
func_content, self.streaming_request.tools
|
||||
if self.streaming_request else None)
|
||||
if parsed_tool:
|
||||
# Update existing entry in prev_tool_call_arr with
|
||||
# complete arguments
|
||||
# Update existing entry in
|
||||
# prev_tool_call_arr with complete args
|
||||
for i, tool in enumerate(self.prev_tool_call_arr):
|
||||
if (tool.get("name") ==
|
||||
parsed_tool.function.name):
|
||||
self.prev_tool_call_arr[i]["arguments"] = (
|
||||
parsed_tool.function.arguments)
|
||||
if tool.get(
|
||||
"name") == parsed_tool.function.name:
|
||||
args = parsed_tool.function.arguments
|
||||
self.prev_tool_call_arr[i][
|
||||
"arguments"] = args
|
||||
break
|
||||
except Exception:
|
||||
pass # Ignore parsing errors during streaming
|
||||
@ -530,73 +519,110 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
# Reset state for next tool
|
||||
self.in_function = False
|
||||
self.json_closed = True
|
||||
self.accumulated_params = {}
|
||||
|
||||
return result
|
||||
|
||||
# Look for parameters
|
||||
# Count how many complete parameters we have processed
|
||||
complete_params = tool_text.count(self.parameter_end_token)
|
||||
# Find all parameter starts
|
||||
param_starts = []
|
||||
idx = 0
|
||||
while True:
|
||||
idx = tool_text.find(self.parameter_prefix, idx)
|
||||
if idx == -1:
|
||||
break
|
||||
param_starts.append(idx)
|
||||
idx += len(self.parameter_prefix)
|
||||
|
||||
# Check if we should start a new parameter
|
||||
if not self.in_param and self.param_count < complete_params:
|
||||
# Find the unprocessed parameter
|
||||
# Count parameter starts
|
||||
param_starts = []
|
||||
idx = 0
|
||||
while True:
|
||||
idx = tool_text.find(self.parameter_prefix, idx)
|
||||
if idx == -1:
|
||||
break
|
||||
param_starts.append(idx)
|
||||
idx += len(self.parameter_prefix)
|
||||
if (not self.in_param and self.param_count < len(param_starts)
|
||||
and len(param_starts) > self.param_count):
|
||||
# Process the next parameter
|
||||
param_idx = param_starts[self.param_count]
|
||||
param_start = param_idx + len(self.parameter_prefix)
|
||||
remaining = tool_text[param_start:]
|
||||
|
||||
if len(param_starts) > self.param_count:
|
||||
# Process the next parameter
|
||||
param_idx = param_starts[self.param_count]
|
||||
param_start = param_idx + len(self.parameter_prefix)
|
||||
remaining = tool_text[param_start:]
|
||||
if ">" in remaining:
|
||||
# We have the complete parameter name
|
||||
name_end = remaining.find(">")
|
||||
self.current_param_name = remaining[:name_end]
|
||||
|
||||
if ">" in remaining:
|
||||
# We have the complete parameter name
|
||||
name_end = remaining.find(">")
|
||||
self.current_param_name = remaining[:name_end]
|
||||
# Find the parameter value
|
||||
value_start = param_start + name_end + 1
|
||||
value_text = tool_text[value_start:]
|
||||
if value_text.startswith("\n"):
|
||||
value_text = value_text[1:]
|
||||
|
||||
# Find the parameter value
|
||||
value_start = param_start + name_end + 1
|
||||
value_text = tool_text[value_start:]
|
||||
if value_text.startswith("\n"):
|
||||
value_text = value_text[1:]
|
||||
# Find where this parameter ends
|
||||
param_end_idx = value_text.find(self.parameter_end_token)
|
||||
if param_end_idx == -1:
|
||||
# No closing tag, look for next parameter or
|
||||
# function end
|
||||
next_param_idx = value_text.find(self.parameter_prefix)
|
||||
func_end_idx = value_text.find(self.function_end_token)
|
||||
|
||||
# Find where this parameter ends
|
||||
param_end_idx = value_text.find(
|
||||
self.parameter_end_token)
|
||||
if param_end_idx != -1:
|
||||
# Complete parameter found
|
||||
param_value = value_text[:param_end_idx]
|
||||
if param_value.endswith("\n"):
|
||||
param_value = param_value[:-1]
|
||||
|
||||
# Build complete JSON fragment for this parameter
|
||||
if self.param_count == 0:
|
||||
json_fragment = (
|
||||
'"' + self.current_param_name + '": "' +
|
||||
json.dumps(param_value)[1:-1] + '"')
|
||||
if next_param_idx != -1 and (func_end_idx == -1
|
||||
or next_param_idx
|
||||
< func_end_idx):
|
||||
param_end_idx = next_param_idx
|
||||
elif func_end_idx != -1:
|
||||
param_end_idx = func_end_idx
|
||||
else:
|
||||
# Neither found, check if tool call is complete
|
||||
if self.tool_call_end_token in tool_text:
|
||||
# Tool call is complete, so parameter
|
||||
# must be complete too. Use all
|
||||
# remaining text before function end
|
||||
param_end_idx = len(value_text)
|
||||
else:
|
||||
json_fragment = (
|
||||
', "' + self.current_param_name + '": "' +
|
||||
json.dumps(param_value)[1:-1] + '"')
|
||||
# Still streaming, wait for more content
|
||||
return None
|
||||
|
||||
self.param_count += 1
|
||||
if param_end_idx != -1:
|
||||
# Complete parameter found
|
||||
param_value = value_text[:param_end_idx]
|
||||
if param_value.endswith("\n"):
|
||||
param_value = param_value[:-1]
|
||||
|
||||
return DeltaMessage(tool_calls=[
|
||||
DeltaToolCall(
|
||||
index=self.current_tool_index,
|
||||
function=DeltaFunctionCall(
|
||||
arguments=json_fragment),
|
||||
)
|
||||
])
|
||||
# Store raw value for later processing
|
||||
self.accumulated_params[
|
||||
self.current_param_name] = param_value
|
||||
|
||||
# Continue parameter value
|
||||
# Get parameter configuration for type conversion
|
||||
param_config = self._get_arguments_config(
|
||||
self.current_function_name or "",
|
||||
self.streaming_request.tools
|
||||
if self.streaming_request else None)
|
||||
|
||||
# Convert param value to appropriate type
|
||||
converted_value = self._convert_param_value(
|
||||
param_value, self.current_param_name, param_config,
|
||||
self.current_function_name or "")
|
||||
|
||||
# Build JSON fragment based on the converted type
|
||||
# Use json.dumps to properly serialize the value
|
||||
serialized_value = json.dumps(converted_value,
|
||||
ensure_ascii=False)
|
||||
|
||||
if self.param_count == 0:
|
||||
json_fragment = (f'"{self.current_param_name}": '
|
||||
f'{serialized_value}')
|
||||
else:
|
||||
json_fragment = (f', "{self.current_param_name}": '
|
||||
f'{serialized_value}')
|
||||
|
||||
self.param_count += 1
|
||||
|
||||
return DeltaMessage(tool_calls=[
|
||||
DeltaToolCall(
|
||||
index=self.current_tool_index,
|
||||
function=DeltaFunctionCall(
|
||||
arguments=json_fragment),
|
||||
)
|
||||
])
|
||||
|
||||
# Continue parameter value - Not used in the current implementation
|
||||
# since we process complete parameters above
|
||||
if self.in_param:
|
||||
if self.parameter_end_token in delta_text:
|
||||
# End of parameter
|
||||
@ -608,25 +634,42 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
gt_idx = value_chunk.find(">")
|
||||
value_chunk = value_chunk[gt_idx + 1:]
|
||||
|
||||
if (not self.current_param_value
|
||||
and value_chunk.startswith("\n")):
|
||||
if not self.current_param_value and value_chunk.startswith(
|
||||
"\n"):
|
||||
value_chunk = value_chunk[1:]
|
||||
|
||||
# Calculate incremental JSON
|
||||
# Store complete value
|
||||
full_value = self.current_param_value + value_chunk
|
||||
prev_escaped = (json.dumps(self.current_param_value)[1:-1]
|
||||
if self.current_param_value else "")
|
||||
full_escaped = json.dumps(full_value)[1:-1]
|
||||
delta_escaped = full_escaped[len(prev_escaped):]
|
||||
self.accumulated_params[
|
||||
self.current_param_name] = full_value
|
||||
|
||||
# Get parameter configuration for type conversion
|
||||
param_config = self._get_arguments_config(
|
||||
self.current_function_name or "",
|
||||
self.streaming_request.tools
|
||||
if self.streaming_request else None)
|
||||
|
||||
# Convert the parameter value to the appropriate type
|
||||
converted_value = self._convert_param_value(
|
||||
full_value, self.current_param_name or "",
|
||||
param_config, self.current_function_name or "")
|
||||
|
||||
# Serialize the converted value
|
||||
serialized_value = json.dumps(converted_value,
|
||||
ensure_ascii=False)
|
||||
|
||||
# Since we've been streaming the quoted version,
|
||||
# we need to close it properly
|
||||
# This is complex - for now just complete the value
|
||||
self.in_param = False
|
||||
self.current_param_value = ""
|
||||
|
||||
# Just close the current parameter string
|
||||
return DeltaMessage(tool_calls=[
|
||||
DeltaToolCall(
|
||||
index=self.current_tool_index,
|
||||
function=DeltaFunctionCall(
|
||||
arguments=delta_escaped + '"'),
|
||||
arguments='"'), # Close the string quote
|
||||
)
|
||||
])
|
||||
else:
|
||||
@ -638,18 +681,18 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
gt_idx = value_chunk.find(">")
|
||||
value_chunk = value_chunk[gt_idx + 1:]
|
||||
|
||||
if (not self.current_param_value
|
||||
and value_chunk.startswith("\n")):
|
||||
if not self.current_param_value and value_chunk.startswith(
|
||||
"\n"):
|
||||
value_chunk = value_chunk[1:]
|
||||
|
||||
if value_chunk:
|
||||
# Stream the escaped delta
|
||||
prev_escaped = (json.dumps(
|
||||
self.current_param_value)[1:-1]
|
||||
if self.current_param_value else "")
|
||||
prev_escaped = json.dumps(
|
||||
self.current_param_value, ensure_ascii=False
|
||||
)[1:-1] if self.current_param_value else ""
|
||||
self.current_param_value += value_chunk
|
||||
full_escaped = json.dumps(
|
||||
self.current_param_value)[1:-1]
|
||||
full_escaped = json.dumps(self.current_param_value,
|
||||
ensure_ascii=False)[1:-1]
|
||||
delta_escaped = full_escaped[len(prev_escaped):]
|
||||
|
||||
if delta_escaped:
|
||||
@ -661,4 +704,4 @@ class Qwen3CoderToolParser(ToolParser):
|
||||
)
|
||||
])
|
||||
|
||||
return None
|
||||
return None
|
||||
Reference in New Issue
Block a user