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[Misc] Update llama 3.2 template to support system prompt with images #10901

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merged 1 commit into from
Dec 5, 2024
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[Misc] Update llama 3.2 template to support system prompt with images #10901

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12 changes: 2 additions & 10 deletions examples/tool_chat_template_llama3.2_json.jinja
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Original file line number Diff line number Diff line change
Expand Up @@ -26,13 +26,11 @@
{%- endfor %}
{%- endfor %}


{#- This block extracts the system message, so we can slot it into the right place. #}
{%- if messages[0]['role'] == 'system' %}
{%- if messages[0]['content'] is string %}
{%- set system_message = messages[0]['content']|trim %}
{%- else %}
{#- Support vLLM's transforming of a content string to JSON. #}
{%- set system_message = messages[0]['content'][0]['text']|trim %}
{%- endif %}
{%- set messages = messages[1:] %}
Expand All @@ -44,14 +42,8 @@
{%- endif %}
{%- endif %}

{#- Including an image is not compatible with a system message #}
{%- if image_ns.has_images and not system_message == "" %}
{{- raise_exception("Prompting with images is incompatible with system messages and tool use.") }}
{%- endif %}


{#- System message, if there are no images #}
{%- if not image_ns.has_images %}
{#- System message if there are no images, if the user supplied one, or if tools are used (default tool system message) #}
{%- if system_message or not image_ns.has_images %}
{{- "<|start_header_id|>system<|end_header_id|>\n\n" }}
{%- if tools is not none %}
{{- "Environment: ipython\n" }}
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