chat_template.jinja

{%- macro safe_content(msg) -%}
{%- if msg.content is string -%}
{{ msg.content }}
{%- elif msg.content is iterable -%}
{%- for item in msg.content -%}
{%- if item.type == 'text' -%}{{ item.text }}{%- endif -%}
{%- endfor -%}
{%- endif -%}
{%- endmacro -%}

{%- macro format_tool_call(tc) -%}
{%- set func = tc.function | default(tc) -%}
{%- set args = func.arguments | default('{}') -%}
<tool_call>
{"name": "{{ func.name | default('unknown') }}", "arguments": {{ args if args is string else (args | tojson) }}}
</tool_call>
{%- endmacro -%}

{%- macro render_message(msg) -%}
{%- set content = safe_content(msg) -%}
{%- set reasoning = msg.reasoning_content | default('') | trim -%}

{%- if msg.role == 'user' -%}
<|im_start|>user
{{ content }}
<|im_end|>

{%- elif msg.role == 'assistant' -%}
<|im_start|>assistant
{%- if reasoning %}
<think>
{{ reasoning }}
</think>

{%- elif '<think>' in content and '</think>' in content %}
{%- set parts = content.split('<think>', 1) -%}
{%- set think_parts = parts[1].split('</think>', 1) -%}
{%- set reasoning = think_parts[0] | trim -%}
{%- set content = (parts[0] + think_parts[1]) | trim -%}
<think>
{{ reasoning }}
</think>

{%- endif -%}
{%- if content %}
{{ content }}
{%- endif -%}
{%- if msg.tool_calls -%}
{%- for tc in msg.tool_calls %}
{{ format_tool_call(tc) }}
{%- endfor -%}
{%- endif %}
<|im_end|>

{%- elif msg.role == 'tool' -%}
<|im_start|>user
<tool_response>
{{ content }}
</tool_response>
<|im_end|>

{%- elif msg.role == 'system' -%}
<|im_start|>system
{{ content }}
<|im_end|>

{%- endif -%}
{%- endmacro -%}

{%- if messages and messages[0].role == 'system' -%}
{%- if tools -%}
<|im_start|>system
{{ messages[0].content }}

# Function Calling

Available tools:
{%- for tool in tools %}
{{ tool | tojson }}
{%- endfor %}

Usage: <tool_call>{"name": "func", "arguments": {...}}</tool_call>
<|im_end|>
{%- else -%}
{{ render_message(messages[0]) }}
{%- endif -%}
{%- set msg_start = 1 -%}
{%- else -%}
{%- set msg_start = 0 -%}
{%- if tools -%}
<|im_start|>system
# Function Calling

Available tools:
{%- for tool in tools %}
{{ tool | tojson }}
{%- endfor %}

Usage: <tool_call>{"name": "func", "arguments": {...}}</tool_call>
<|im_end|>
{%- endif -%}
{%- endif -%}

{%- for msg in messages[msg_start:] -%}
{{ render_message(msg) }}
{%- endfor -%}

{%- if add_generation_prompt -%}
<|im_start|>assistant
<think>
{%- endif -%}