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vllm/examples/tool_chat_template_deepseekv3.jinja

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{% if not add_generation_prompt is defined %}
{% set add_generation_prompt = false %}
{% endif %}
{% set ns = namespace(is_first=false, is_tool=false, is_output_first=true, system_prompt='', is_first_sp=true, is_last_user=false) %}
{%- for message in messages %}
{%- if message['role'] == 'system' %}
{%- if ns.is_first_sp %}
{% set ns.system_prompt = ns.system_prompt + message['content'] %}
{% set ns.is_first_sp = false %}
{%- else %}
{% set ns.system_prompt = ns.system_prompt + '\n\n' + message['content'] %}
{%- endif %}
{%- endif %}
{%- endfor %}
{{ bos_token }}
{{ ns.system_prompt }}
{%- if tools %}
{{"\n\n# Tools\n\nYou may call one or more functions to assist with the user query." }}
{%- for tool in tools %}
{{- "\n" }}
{{- tool | tojson }}
{%- endfor %}
{{"\n</tools>\n\n"}}
{{"For function call returns, you should first print <tool▁calls▁begin>"}}
{{"For each function call, you should return object like:\n" }}
{{"<tool▁call▁begin>function<tool▁sep><function_name>\n```json\n<function_arguments_in_json_format>\n```<tool▁call▁end>"}}
{{"At the end of function call returns, you should print <tool▁calls▁end><end▁of▁sentence>"}}
{%- endif %}
{%- for message in messages %}
{%- if message['role'] == 'user' %}
{%- set ns.is_tool = false -%}
{%- set ns.is_first = false -%}
{%- set ns.is_last_user = true -%}
{{'<User>' + message['content'] + '<Assistant>'}}
{%- endif %}
{%- if message['role'] == 'assistant' and message['tool_calls'] is defined and message['tool_calls'] is not none %}
{%- set ns.is_last_user = false -%}
{%- if ns.is_tool %}
{{'<tool▁outputs▁end>'}}
{%- endif %}
{%- set ns.is_first = false %}
{%- set ns.is_tool = false -%}
{%- set ns.is_output_first = true %}
{%- for tool in message['tool_calls'] %}
{%- if not ns.is_first %}
{%- if message['content'] is none %}
{{'<tool▁calls▁begin><tool▁call▁begin>' + tool['type'] + '<tool▁sep>' + tool['function']['name'] + '\n' + '```json' + '\n' + tool['function']['arguments']|tojson + '\n' + '```' + '<tool▁call▁end>'}}
{%- else %}
{{message['content'] + '<tool▁calls▁begin><tool▁call▁begin>' + tool['type'] + '<tool▁sep>' + tool['function']['name'] + '\n' + '```json' + '\n' + tool['function']['arguments']|tojson + '\n' + '```' + '<tool▁call▁end>'}}
{%- endif %}
{%- set ns.is_first = true -%}
{%- else %}
{{'\n' + '<tool▁call▁begin>' + tool['type'] + '<tool▁sep>' + tool['function']['name'] + '\n' + '```json' + '\n' + tool['function']['arguments']|tojson + '\n' + '```' + '<tool▁call▁end>'}}
{%- endif %}
{%- endfor %}
{{'<tool▁calls▁end><end▁of▁sentence>'}}
{%- endif %}
{%- if message['role'] == 'assistant' and (message['tool_calls'] is not defined or message['tool_calls'] is none)%}
{%- set ns.is_last_user = false -%}
{%- if ns.is_tool %}
{{'<tool▁outputs▁end>' + message['content'] + '<end▁of▁sentence>'}}
{%- set ns.is_tool = false -%}
{%- else %}
{% set content = message['content'] %}
{{content + '<end▁of▁sentence>'}}
{%- endif %}
{%- endif %}
{%- if message['role'] == 'tool' %}
{%- set ns.is_last_user = false -%}
{%- set ns.is_tool = true -%}
{%- if ns.is_output_first %}
{{'<tool▁outputs▁begin><tool▁output▁begin>' + message['content'] + '<tool▁output▁end>'}}
{%- set ns.is_output_first = false %}
{%- else %}
{{'\n<tool▁output▁begin>' + message['content'] + '<tool▁output▁end>'}}
{%- endif %}
{%- endif %}
{%- endfor -%}
{% if ns.is_tool %}
{{'<tool▁outputs▁end>'}}
{% endif %}
{% if add_generation_prompt and not ns.is_last_user and not ns.is_tool %}
{{'<Assistant>'}}
{% endif %}