chat_template.jinja · Qwen3.5-0.8B

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{%- set image_count = namespace(value=0) %}

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{%- set video_count = namespace(value=0) %}

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{%- macro render_content(content, do_vision_count, is_system_content=false) %}

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{%- if content is string %}

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{{- content }}

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{%- elif content is iterable and content is not mapping %}

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{%- for item in content %}

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{%- if 'image' in item or 'image_url' in item or item.type == 'image' %}

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{%- if is_system_content %}

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{{- raise_exception('System message cannot contain images.') }}

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{%- endif %}

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{%- if do_vision_count %}

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{%- set image_count.value = image_count.value + 1 %}

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{%- endif %}

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{%- if add_vision_id %}

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{{- 'Picture ' ~ image_count.value ~ ': ' }}

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{%- endif %}

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{{- '<|vision_start|><|image_pad|><|vision_end|>' }}

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{%- elif 'video' in item or item.type == 'video' %}

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{%- if is_system_content %}

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{{- raise_exception('System message cannot contain videos.') }}

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{%- endif %}

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{%- if do_vision_count %}

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{%- set video_count.value = video_count.value + 1 %}

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{%- endif %}

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{%- if add_vision_id %}

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{{- 'Video ' ~ video_count.value ~ ': ' }}

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{%- endif %}

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{{- '<|vision_start|><|video_pad|><|vision_end|>' }}

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{%- elif 'text' in item %}

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{{- item.text }}

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{%- else %}

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{{- raise_exception('Unexpected item type in content.') }}

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{%- endif %}

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{%- endfor %}

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{%- elif content is none or content is undefined %}

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{{- '' }}

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{%- else %}

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{{- raise_exception('Unexpected content type.') }}

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{%- endif %}

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{%- endmacro %}

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{%- if not messages %}

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{{- raise_exception('No messages provided.') }}

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{%- endif %}

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{%- if tools and tools is iterable and tools is not mapping %}

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{{- '<|im_start|>system\n' }}

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{{- "# Tools\n\nYou have access to the following functions:\n\n<tools>" }}

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{%- for tool in tools %}

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{{- "\n" }}

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{{- tool | tojson }}

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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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{%- if messages[0].role == 'system' %}

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{%- set content = render_content(messages[0].content, false, true)|trim %}

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{%- if content %}

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{{- '\n\n' + content }}

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{%- endif %}

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{%- endif %}

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{{- '<|im_end|>\n' }}

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{%- else %}

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{%- if messages[0].role == 'system' %}

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{%- set content = render_content(messages[0].content, false, true)|trim %}

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{{- '<|im_start|>system\n' + content + '<|im_end|>\n' }}

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{%- endif %}

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{%- endif %}

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{%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %}

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{%- for message in messages[::-1] %}

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{%- set index = (messages|length - 1) - loop.index0 %}

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{%- if ns.multi_step_tool and message.role == "user" %}

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{%- set content = render_content(message.content, false)|trim %}

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{%- if not(content.startswith('<tool_response>') and content.endswith('</tool_response>')) %}

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{%- set ns.multi_step_tool = false %}

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{%- set ns.last_query_index = index %}

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{%- endif %}

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{%- endif %}

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{%- endfor %}

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{%- if ns.multi_step_tool %}

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{{- raise_exception('No user query found in messages.') }}

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{%- endif %}

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{%- for message in messages %}

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{%- set content = render_content(message.content, true)|trim %}

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{%- if message.role == "system" %}

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{%- if not loop.first %}

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{{- raise_exception('System message must be at the beginning.') }}

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{%- endif %}

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{%- elif message.role == "user" %}

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{{- '<|im_start|>' + message.role + '\n' + content + '<|im_end|>' + '\n' }}

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{%- elif message.role == "assistant" %}

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{%- set reasoning_content = '' %}

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{%- if message.reasoning_content is string %}

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{%- set reasoning_content = message.reasoning_content %}

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{%- else %}

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{%- if '</think>' in content %}

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                {%- set reasoning_content = content.split('</think>')[0].rstrip('\n').split('<think>')[-1].lstrip('\n') %}

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{%- set content = content.split('</think>')[-1].lstrip('\n') %}

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{%- endif %}

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{%- endif %}

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{%- set reasoning_content = reasoning_content|trim %}

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{%- if loop.index0 > ns.last_query_index %}

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{{- '<|im_start|>' + message.role + '\n<think>\n' + reasoning_content + '\n</think>\n\n' + content }}

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{%- else %}

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{{- '<|im_start|>' + message.role + '\n' + content }}

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{%- endif %}

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{%- if message.tool_calls and message.tool_calls is iterable and message.tool_calls is not mapping %}

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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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{%- if loop.first %}

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{%- if content|trim %}

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{{- '\n\n<tool_call>\n<function=' + tool_call.name + '>\n' }}

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{%- else %}

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{{- '<tool_call>\n<function=' + tool_call.name + '>\n' }}

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{%- endif %}

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{%- else %}

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{{- '\n<tool_call>\n<function=' + tool_call.name + '>\n' }}

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{%- endif %}

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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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{%- endif %}

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{{- '<|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' }}

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{%- endif %}

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{{- '\n<tool_response>\n' }}

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{{- content }}

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{{- '\n</tool_response>' }}

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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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{{- raise_exception('Unexpected message role.') }}

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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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{%- if enable_thinking is defined and enable_thinking is true %}

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{{- '<think>\n' }}

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{%- else %}

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{{- '<think>\n\n</think>\n\n' }}

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{%- endif %}

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{%- endif %}