chat_template.jinja

{{- bos_token -}}
{%- macro format_arg_value(arg_value) -%}
	{%- if arg_value is string -%}
		{{- "'" + (arg_value | replace("\\", "\\\\") | replace("'", "\\'") | replace("\n", "\\n") | replace("\r", "\\r")) + "'" -}}
	{%- elif arg_value is mapping or arg_value is iterable -%}
		{{- arg_value | tojson -}}
	{%- else -%}
		{{- arg_value | string -}}
	{%- endif -%}
{%- endmacro -%}
{%- macro render_tool_calls(tool_calls) -%}
	{%- set tool_calls_ns = namespace(tool_calls=[]) -%}
	{%- for tool_call in tool_calls -%}
		{%- set func = tool_call["function"] if "function" in tool_call else tool_call -%}
		{%- set func_name = func["name"] -%}
		{%- set func_args = func.get("arguments") -%}
		{%- set args_ns = namespace(arg_strings=[]) -%}
		{%- if func_args is mapping -%}
			{%- for arg_name, arg_value in func_args.items() -%}
				{%- set args_ns.arg_strings = args_ns.arg_strings + [arg_name + "=" + format_arg_value(arg_value)] -%}
			{%- endfor -%}
		{%- elif func_args is string and (func_args | trim) not in ["", "{}", "null"] -%}
			{{- raise_exception("Tool call arguments must be a mapping, got a JSON-encoded string: parse arguments with json.loads() before applying the chat template") -}}
		{%- endif -%}
		{%- set tool_calls_ns.tool_calls = tool_calls_ns.tool_calls + [func_name + "(" + (args_ns.arg_strings | join(", ")) + ")"] -%}
	{%- endfor -%}
	{{- "<|tool_call_start|>[" + (tool_calls_ns.tool_calls | join(", ")) + "]<|tool_call_end|>" -}}
{%- endmacro -%}
{%- set system_prompt = "" -%}
{%- set ns = namespace(system_prompt="") -%}
{%- if messages[0]["role"] == "system" -%}
	{%- set ns.system_prompt = messages[0]["content"] -%}
	{%- set messages = messages[1:] -%}
{%- endif -%}
{%- if tools -%}
	{%- set ns.system_prompt = ns.system_prompt + ("\n" if ns.system_prompt else "") + "List of tools: <|tool_list_start|>[" -%}
	{%- for tool in tools -%}
		{%- if tool is not string -%}
            {%- set tool = tool | tojson -%}
		{%- endif -%}
		{%- set ns.system_prompt = ns.system_prompt + tool -%}
        {%- if not loop.last -%}
            {%- set ns.system_prompt = ns.system_prompt + ", " -%}
        {%- endif -%}
	{%- endfor -%}
	{%- set ns.system_prompt = ns.system_prompt + "]<|tool_list_end|>" -%}
{%- endif -%}
{%- if ns.system_prompt -%}
	{{- "<|im_start|>system\n" + ns.system_prompt + "<|im_end|>\n" -}}
{%- endif -%}
{%- for message in messages -%}
	{{- "<|im_start|>" + message["role"] + "\n" -}}
	{%- set content = message.get("content") -%}
	{%- if content is not string -%}
		{%- set content = content | tojson -%}
	{%- endif -%}
	{%- if message["role"] == "tool" -%}
		{%- set content = "<|tool_response_start|>" + content + "<|tool_response_end|>" -%}
	{%- endif -%}
	{%- if message["role"] == "assistant" and message.get("tool_calls") -%}
		{%- if content and content != "null" -%}
			{{- content -}}
		{%- endif -%}
		{{- render_tool_calls(message["tool_calls"]) -}}
		{{- "<|im_end|>\n" -}}
	{%- else -%}
		{{- content + "<|im_end|>\n" -}}
	{%- endif -%}
{%- endfor -%}
{%- if add_generation_prompt -%}
	{{- "<|im_start|>assistant\n" -}}
{%- endif -%}