vllm/examples/tool_chat_template_toolace.jinja

{{- bos_token }}

{%- if custom_tools is defined %}
    {%- set tools = custom_tools %}
{%- endif %}
{%- if not tools is defined %}
    {%- set tools = none %}
{%- endif %}

{#- This block extracts the system message, so we can slot it into the right place. #}
{%- if messages[0]['role'] == 'system' %}
    {%- set system_message = messages[0]['content']|trim %}
    {%- set messages = messages[1:] %}
{%- else %}
    {%- set system_message = "You are a helpful assistant with tool calling capabilities. Only reply with a tool call if the function exists in the library provided by the user. If it doesn't exist, just reply directly in natural language." %}
{%- endif %}

{{- "<|start_header_id|>system<|end_header_id|>\n\n" }}
{%- if tools is not none and not tools_in_user_message %}
    {{- "You are an expert in composing functions. You are given a question and a set of possible functions. Based on the question, you will need to make one or more function/tool calls to achieve the purpose.\n" }}
    {{- "If none of the function can be used, point it out. If the given question lacks the parameters required by the function, also point it out.\n" }}
    {{- "You should only return the function call in tools call sections.\n\n" }}
    {{- "If you decide to invoke any of the function(s), you MUST put it in the format of [func_name1(params_name1=params_value1, params_name2=params_value2...), func_name2(params)]\n" }}
    {{- "You SHOULD NOT include any other text in the response.\n" }}
    {{- "Here is a list of functions in JSON format that you can invoke.\n" }}
    {%- for t in tools %}
        {{- t | tojson(indent=4) }}
        {{- "\n\n" }}
    {%- endfor %}
    {{- "\n" }}
{%- endif %}
{{- system_message }}
{{- "<|eot_id|>" }}

{%- for message in messages %}
    {%- if not (message.role == 'ipython' or message.role == 'tool' or 'tool_calls' in message) %}
        {{- '<|start_header_id|>' + message['role'] + '<|end_header_id|>\n\n'+ message['content'] | trim + '<|eot_id|>' }}
    {%- elif 'tool_calls' in message %}
        {{- '<|start_header_id|>assistant<|end_header_id|>\n\n[' -}}
        {%- for tool_call in message.tool_calls %}
            {%- if tool_call.function is defined %}
                {%- set tool_call = tool_call.function %}
            {%- endif %}
            {{- tool_call.name + '(' -}}
            {%- for param in tool_call.arguments %}
                {{- param + '=' -}}
                {{- "%s" | format(tool_call.arguments[param]) -}}
                {% if not loop.last %}, {% endif %}
            {%- endfor %}
            {{- ')' -}}
            {% if not loop.last %}, {% endif %}
        {%- endfor %}
        {{- ']<|eot_id|>' -}}
    {%- elif message.role == "tool" or message.role == "ipython" %}
        {{- "<|start_header_id|>ipython<|end_header_id|>\n\n" }}
        {%- if message.content is mapping %}
            {{- message.content | tojson }}
        {%- else %}
            {{- { "output": message.content } | tojson }}
        {%- endif %}
        {{- "<|eot_id|>" }}
    {%- endif %}
{%- endfor %}

{{- '<|start_header_id|>assistant<|end_header_id|>\n\n' }}