chat_template.jinja

{#- quimmedes -#}
{%- set image_count = namespace(value=0) %}
{%- set video_count = namespace(value=0) %}
{%- macro render_content(content, do_vision_count=false, is_system_content=false) %}
    {%- if content is string %}
        {{- content }}
    {%- elif content is iterable and content is not mapping %}
        {%- for item in content %}
            {%- if item is none %}
                {{- '' }}
            {%- elif item is string %}
                {{- item }}
            {%- elif 'image' in item or 'image_url' in item or item.get('type') == 'image' %}
                {%- if is_system_content %}
                    {{- raise_exception('System message cannot contain images.') }}
                {%- endif %}
                {%- if do_vision_count %}
                    {%- set image_count.value = image_count.value + 1 %}
                {%- endif %}
                {%- if add_vision_id|default(false) %}
                    {{- 'Picture ' ~ image_count.value ~ ': ' }}
                {%- endif %}
                {{- '<|vision_start|><|image_pad|><|vision_end|>' }}
            {%- elif 'video' in item or item.get('type') == 'video' %}
                {%- if is_system_content %}
                    {{- raise_exception('System message cannot contain videos.') }}
                {%- endif %}
                {%- if do_vision_count %}
                    {%- set video_count.value = video_count.value + 1 %}
                {%- endif %}
                {%- if add_vision_id|default(false) %}
                    {{- 'Video ' ~ video_count.value ~ ': ' }}
                {%- endif %}
                {{- '<|vision_start|><|video_pad|><|vision_end|>' }}
            {%- elif 'text' in item %}
                {{- item.text }}
            {%- elif 'content' in item and item.get('type') == 'text' %}
                {{- item.content }}
            {%- else %}
                {{- raise_exception('Unexpected item type in content.') }}
            {%- endif %}
        {%- endfor %}
    {%- elif content is none or content is undefined %}
        {{- '' }}
    {%- else %}
        {{- raise_exception('Unexpected content type.') }}
    {%- endif %}
{%- endmacro %}
{%- if not messages %}
    {{- raise_exception('No messages provided.') }}
{%- endif %}
{# Reasoning effort handling: defaults to low #}
{%- set reasoning_instructions = '' %}
{%- if enable_thinking is undefined or enable_thinking is true %}
    {%- set resolved_reasoning_effort = reasoning_effort|default('low') %}
    {%- if resolved_reasoning_effort not in ('minimal', 'low', 'medium', 'high', 'xhigh', 'ultra', 'max') %}
        {{- raise_exception('Unexpected reasoning effort ' ~ resolved_reasoning_effort ~ '. Supported types are minimal, low (default), medium, high, xhigh, ultra, and max.') }}
    {%- endif %}
    {%- if resolved_reasoning_effort in ('low', 'minimal') %}
        {%- set reasoning_instructions = 'Reasoning effort is set to ' ~ resolved_reasoning_effort ~ '. Be concise and direct. Conclude your thinking as soon as the answer is reached without unnecessary elaboration.' %}
    {%- elif resolved_reasoning_effort == 'medium' %}
        {%- set reasoning_instructions = 'Reasoning effort is set to medium. Think through the problem step-by-step in a clear and linear fashion. Check key assumptions and provide a solid answer without circular deliberation.' %}
    {%- elif resolved_reasoning_effort == 'high' %}
        {%- set reasoning_instructions = 'Reasoning effort is set to high. Think thoroughly and systematically through the task. Validate essential assumptions, consider plausible alternative approaches, and verify correctness before concluding.' %}
    {%- elif resolved_reasoning_effort == 'xhigh' %}
        {%- set reasoning_instructions = 'Reasoning effort is set to xhigh. Use extensive reasoning. Break down complex aspects of the task, evaluate edge cases, compare viable methods, and ensure high rigor in the final conclusion.' %}
{#- quimmedes notes: that is going take a while, good luck with that -#}    
{%- elif resolved_reasoning_effort in ('max', 'ultra') %}
        {%- set reasoning_instructions = 'Reasoning effort is set to ' ~ resolved_reasoning_effort ~ '. Use the most rigorous reasoning possible. Exhaustively verify assumptions, explore all critical edge cases, and ensure complete logical consistency and correctness.' %}
    {%- endif %}
{%- endif %}
{%- if tools and tools is iterable and tools is not mapping %}
    {{- '<|im_start|>system\n' }}
    {%- if reasoning_instructions %}
        {{- reasoning_instructions + '\n\n' }}
    {%- endif %}
    {{- "# Tools\n\nYou have access to the following functions:\n\n<tools>" }}
    {%- for tool in tools %}
        {{- "\n" }}
        {{- tool | tojson }}
    {%- endfor %}
    {{- "\n</tools>" }}
    {{- '\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>' }}
    {%- if messages[0].role == 'system' %}
        {%- set content = render_content(messages[0].content, false, true)|trim %}
        {%- if content %}
            {{- '\n\n' + content }}
        {%- endif %}
    {%- endif %}
    {{- '<|im_end|>\n' }}
{%- else %}
    {%- if messages[0].role == 'system' %}
        {%- set content = render_content(messages[0].content, false, true)|trim %}
        {%- if content %}
            {{- '<|im_start|>system\n' + (reasoning_instructions + '\n\n' if reasoning_instructions else '') + content + '<|im_end|>\n' }}
        {%- elif reasoning_instructions %}
            {{- '<|im_start|>system\n' + reasoning_instructions + '<|im_end|>\n' }}
        {%- endif %}
    {%- elif reasoning_instructions %}
        {{- '<|im_start|>system\n' + reasoning_instructions + '<|im_end|>\n' }}
    {%- endif %}
{%- endif %}
{%- set ns = namespace(last_query_index=-1) %}
{%- for message in messages[::-1] %}
    {%- set index = (messages|length - 1) - loop.index0 %}
    {%- if ns.last_query_index == -1 and message.role == "user" %}
        {%- set content = render_content(message.content, false)|trim %}
        {%- if not(content.startswith('<tool_response>') and content.endswith('</tool_response>')) %}
            {%- set ns.last_query_index = index %}
        {%- endif %}
    {%- endif %}
{%- endfor %}
{%- for message in messages %}
    {%- set content = render_content(message.content, true)|trim %}
    {%- if message.role == "system" %}
        {%- if not loop.first %}
            {{- raise_exception('System message must be at the beginning.') }}
        {%- endif %}
    {%- elif message.role == "user" %}
        {{- '<|im_start|>' + message.role + '\n' + content + '<|im_end|>\n' }}
    {%- elif message.role == "assistant" %}
        {%- set reasoning_content = '' %}
        {%- if message.reasoning_content is defined and message.reasoning_content is string %}
            {%- set reasoning_content = message.reasoning_content|trim %}
        {%- endif %}
        {{- '<|im_start|>' + message.role }}
        {%- if reasoning_content and (preserve_thinking|default(true) or (ns.last_query_index != -1 and loop.index0 > ns.last_query_index)) %}
            {{- '\n<think>\n' + reasoning_content + '\n</think>' }}
            {%- if content %}
                {{- '\n\n' + content }}
            {%- endif %}
        {%- elif content %}
            {{- '\n' + content }}
        {%- endif %}
        {%- if message.tool_calls and message.tool_calls is iterable and message.tool_calls is not mapping %}
            {%- for tool_call in message.tool_calls %}
                {%- if tool_call.function is defined %}
                    {%- set tool_call = tool_call.function %}
                {%- endif %}
                {%- if loop.first and not content and not reasoning_content %}
                    {{- '\n<tool_call>\n<function=' + tool_call.name + '>\n' }}
                {%- else %}
                    {{- '\n\n<tool_call>\n<function=' + tool_call.name + '>\n' }}
                {%- endif %}
                {%- if tool_call.arguments is defined and tool_call.arguments %}
                    {%- if tool_call.arguments is mapping %}
                        {%- for args_name, args_value in tool_call.arguments.items() %}
                            {{- '<parameter=' + args_name + '>\n' }}
                            {%- set args_value = args_value | string if args_value is string else args_value | tojson %}
                            {{- args_value }}
                            {{- '\n</parameter>\n' }}
                        {%- endfor %}
                    {%- elif tool_call.arguments is string %}
                        {{- tool_call.arguments }}
                        {%- if not tool_call.arguments.endswith('\n') %}
                            {{- '\n' }}
                        {%- endif %}
                    {%- endif %}
                {%- endif %}
                {{- '</function>\n</tool_call>' }}
            {%- endfor %}
        {%- endif %}
        {{- '<|im_end|>\n' }}
    {%- elif message.role == "tool" %}
        {%- if loop.first or (loop.previtem and loop.previtem.role != "tool") %}
            {{- '<|im_start|>user' }}
        {%- endif %}
        {{- '\n<tool_response>\n' }}
        {{- content }}
        {{- '\n</tool_response>' }}
        {%- if loop.last or (loop.nextitem and loop.nextitem.role != "tool") %}
            {{- '<|im_end|>\n' }}
        {%- endif %}
    {%- else %}
        {{- raise_exception('Unexpected message role: ' ~ message.role) }}
    {%- endif %}
{%- endfor %}
{%- if add_generation_prompt %}
    {{- '<|im_start|>assistant\n' }}
    {%- if enable_thinking is defined and enable_thinking is false %}
        {{- '<think>\n\n</think>\n\n' }}
    {%- elif enable_thinking is defined and enable_thinking is true %}
        {{- '<think>\n' }}
    {%- else %}
        {{- '<think>\n' }}
    {%- endif %}
{%- endif %}
{#- quimmedes -#}