chat_template.jinja

{% if messages[0]['role'] == 'system' -%}
    {%- set loop_messages = messages[1:] -%}
    {%- set system_message = bos_token + messages[0]['content'] + additional_special_tokens[1] -%}
{%- else -%}
    {%- set loop_messages = messages -%}
    {%- set system_message = bos_token + '' -%}
{%- endif -%}
{%- for message in loop_messages %}
    {% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}
        {{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}
    {% endif %}
    
    {%- if loop.index0 == 0 -%}
        {{ system_message -}}
    {%- endif -%}
    {%- if message['role'] == 'user' -%}
        {{ message['role'] + additional_special_tokens[0] + message['content'] + additional_special_tokens[1] -}}
        {{ 'available functions' + additional_special_tokens[0] + additional_special_tokens[2] + additional_special_tokens[3]  + additional_special_tokens[1] -}}
    {%- endif -%}
    {%- if message['role'] == 'assistant' -%}
        {{ message['role'] + additional_special_tokens[0] + message['content'] + additional_special_tokens[1] -}}
    {%- endif -%}
    {%- if loop.last and add_generation_prompt -%}
        {{ 'assistant' + additional_special_tokens[0] -}}
    {%- endif -%}
{%- endfor %}