chat_template.jinja

{{- bos_token }}\n

{%- if custom_tools is defined %}
    {%- set tools = custom_tools %}
{%- endif %}

{%- if not tools_in_user_message is defined %}
    {%- set tools_in_user_message = true %}
{%- endif %}

{%- if not date_string is defined %}
    {%- if strftime_now is defined %}
        {%- set date_string = strftime_now("%d %b %Y") %}
    {%- else %}
        {%- set date_string = "26 Jul 2024" %}
    {%- endif %}
{%- endif %}

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

{# Extract the system message, if present #}
{%- if messages[0]['role'] == 'system' %}
    {%- set system_message = messages[0]['content'] | trim %}
    {%- set messages = messages[1:] %}
{%- else %}
    {%- set system_message = "" %}
{%- endif %}

{# Identify if any messages contain images #}
{% set image_ns = namespace(has_images=false) %}
{%- for message in messages %}
    {%- for content in message['content'] %}
        {%- if content['type'] == 'image' %}
            {%- set image_ns.has_images = true %}
        {%- endif %}
    {%- endfor %}
{%- endfor %}

{# Raise exception if images and system message coexist #}
{%- if image_ns.has_images and system_message != "" %}
    {{- raise_exception("Prompting with images is incompatible with system messages.") }}
{%- endif %}

{# Insert system message if no images are found #}
{%- if not image_ns.has_images %}
    {{- "<|start_header_id|>system<|end_header_id|>\\n\\n" }}
    {%- if tools is not none %}
        {{- "Environment: ipython\\n" }}
    {%- endif %}
    {{- "Cutting Knowledge Date: December 2023\\n" }}
    {{- "Today Date: " + date_string + "\\n\\n" }}
    
    {%- if tools is not none and not tools_in_user_message %}
        {{- "You have access to the following functions. " }}
        {{- "To call a function, respond with JSON for a function call." }}
        {{- 'Use the format {"name": function name, "parameters": dictionary of arguments}.' }}
        {{- "Do not use variables.\\n\\n" }}
        {%- for t in tools %}
            {{- t | tojson(indent=4) }}
            {{- "\\n\\n" }}
        {%- endfor %}
    {%- endif %}
    {{- system_message }}
    {{- "<|eot_id|>" }}
{%- endif %}

{# Custom tools in user messages #}
{%- if tools_in_user_message and tools is not none %}
    {%- if messages | length != 0 %}
        {%- set first_user_message = messages[0]['content'] | trim %}
        {%- set messages = messages[1:] %}
    {%- else %}
        {{- raise_exception("Cannot put tools in the first user message when there's no first user message!") }}
    {%- endif %}
    
    {{- '<|start_header_id|>user<|end_header_id|>\\n\\n' }}
    {{- "Given these functions, respond with a JSON for a function call " }}
    {{- "that best addresses the prompt.\\n\\n" }}
    {{- 'Format: {"name": function name, "parameters": dictionary of arguments}.' }}
    {{- "Do not use variables.\\n\\n" }}
    {%- for t in tools %}
        {{- t | tojson(indent=4) }}
        {{- "\\n\\n" }}
    {%- endfor %}
    {{- first_user_message + "<|eot_id|>" }}
{%- endif %}

{# Iterate over remaining messages #}
{%- for message in messages %}
    {%- if not (message.role in ['ipython', 'tool'] or 'tool_calls' in message) %}
        {{- '<|start_header_id|>' + message['role'] + '<|end_header_id|>\\n\\n' }}
        {%- if message['content'] is string %}
            {{- message['content'] }}
        {%- else %}
            {%- for content in message['content'] %}
                {%- if content['type'] == 'image' %}
                    {{- '<|image|>' }}
                {%- elif content['type'] == 'text' %}
                    {{- content['text'] }}
                {%- endif %}
            {%- endfor %}
        {%- endif %}
        {{- '<|eot_id|>' }}
    {%- elif 'tool_calls' in message %}
        {%- if message.tool_calls | length != 1 %}
            {{- raise_exception("This model only supports single tool-calls at once!") }}
        {%- endif %}
        {%- set tool_call = message.tool_calls[0].function %}
        {{- '<|start_header_id|>assistant<|end_header_id|>\\n\\n' }}
        {{- '{"name": "' + tool_call.name + '", "parameters": ' }}
        {{- tool_call.arguments | tojson }}
        {{- "}" }}
        {{- "<|eot_id|>" }}
    {%- elif message.role in ["tool", "ipython"] %}
        {{- "<|start_header_id|>ipython<|end_header_id|>\\n\\n" }}
        {%- if message.content is mapping or message.content is iterable %}
            {{- message.content | tojson }}
        {%- else %}
            {{- message.content }}
        {%- endif %}
        {{- "<|eot_id|>" }}
    {%- endif %}
{%- endfor %}

{# Add generation prompt if specified #}
{%- if add_generation_prompt %}
    {{- '<|start_header_id|>assistant<|end_header_id|>\\n\\n' }}
{%- endif %}