chat_template.jinja

{{- '[@BOS@]\n' }}
{%- if tools -%}
<|start_of_turn|><|tool_declare|>
<tools>
{% for tool in tools %}
{{ tool | tojson(ensure_ascii=False) }}
{% endfor %}
</tools>
{{- '<|end_of_turn|>\n' }}{%- endif -%}
{%- macro visible_text(content) -%}
    {%- if content is string -%}
        {{- content }}
    {%- elif content is iterable and content is not mapping -%}
        {%- for item in content -%}
            {%- if item is mapping and item.type == 'text' -%}
                {{- item.text }}
            {%- elif item is string -%}
                {{- item }}
            {%- endif -%}
        {%- endfor -%}
    {%- elif content is none -%}
        {{- '' }}
    {%- else -%}
        {{- content }}
    {%- endif -%}
{%- endmacro -%}
{%- set ns = namespace(last_user_index=-1) %}
{%- for m in messages %}
    {%- if m.role == 'user' %}
        {% set ns.last_user_index = loop.index0 -%}
    {%- endif %}
{%- endfor %}
{% for m in messages %}
{%- if m.role == 'user' -%}<|start_of_turn|><|user|>
{{ visible_text(m.content) }}
{{- '<|nothink|>' if (enable_thinking is defined and not enable_thinking and not visible_text(m.content).endswith("<|nothink|>")) else '' -}}
{{- '<|end_of_turn|>\n' }}
{%- elif m.role == 'assistant' -%}
{{- '<|start_of_turn|><|assistant|>\n' }}
{%- set reasoning_content = '' %}
{%- set content = visible_text(m.content) %}
{%- if m.reasoning_content is string %}
    {%- set reasoning_content = m.reasoning_content %}
{%- else %}
    {%- if '</think>' in content %}
        {%- set reasoning_content = content.split('</think>')[0].rstrip('\n').split('<think>')[-1].lstrip('\n') %}
        {%- set content = content.split('</think>')[-1].lstrip('\n') %}
    {%- endif %}
{%- endif %}
{%- if loop.index0 > ns.last_user_index and reasoning_content -%}
{{ '<think>' + reasoning_content.strip() +  '</think>'}}
{%- else -%}
{{ '<think></think>' }}
{%- endif -%}
{%- if content.strip() -%}
{{ '\n' + content.strip() }}
{%- endif -%}
{% if m.tool_calls %}
{% for tc in m.tool_calls %}
{%- if tc.function %}
    {%- set tc = tc.function %}
{%- endif %}
{{ '\n<tool_call>' + tc.name }}
{% set _args = tc.arguments %}
{% for k, v in _args.items() %}
<arg_key>{{ k }}</arg_key>
<arg_value>{{ v | tojson(ensure_ascii=False) if v is not string else v }}</arg_value>
{% endfor %}
</tool_call>{% endfor %}
{% endif %}
{{- '<|end_of_turn|>\n' }}
{%- elif m.role == 'tool' -%}
{%- if m.content is string -%}
{%- if loop.first or (messages[loop.index0 - 1].role != "tool") %}
    {{- '<|start_of_turn|><|observation|>' }}
{%- endif %}
{{- '\n<tool_response>\n' }}
{{- m.content }}
{{- '\n</tool_response>' }}
{%- else -%}
<|start_of_turn|><|observation|>{% for tr in m.content %}

<tool_response>
{{ tr.output if tr.output is defined else tr }}
</tool_response>{% endfor -%}
{% endif -%}
{%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
{{- '<|end_of_turn|>\n' }}{%- endif -%}
{%- elif m.role == 'system' -%}
<|start_of_turn|><|system|>
{{ visible_text(m.content) }}
{{- '<|end_of_turn|>\n' }}
{%- endif -%}
{%- endfor -%}
{%- if add_generation_prompt -%}
    {{- '<|start_of_turn|><|assistant|>\n' }}
{%- endif -%}