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{% if not add_generation_prompt is defined %}
{% set add_generation_prompt = false %}
{% endif %}
{% if not thinking is defined %}
{% set thinking = false %}
{% endif %}
{% set ns = namespace(is_first=false, is_tool=false, 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 %}
{# --- Append tool descriptions if tools are defined --- #}
{% if tools is defined and tools is not none %}
{% set tool_ns = namespace(text='You are a helpful assistant with tool calling capabilities. '
'When a tool call is needed, you MUST use the following format to issue the call:\n'
'<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>function<｜tool▁sep｜>FUNCTION_NAME\n'
'```json\n{"param1": "value1", "param2": "value2"}\n```<｜tool▁call▁end｜><｜tool▁calls▁end｜>\n\n'
'Make sure the JSON is valid.'
'## Tools\n\n### Function\n\nYou have the following functions available:\n\n') %}
{#% for tool in tools %}
{#% set tool_ns.text = tool_ns.text + '- `' + tool['name'] + '`:\n```json\n' + (tool | tojson) + '\n```\n' %}
{% endfor %#}
{% set ns.system_prompt = ns.system_prompt + '\n\n' + tool_ns.text %}
{% endif %}
{{ bos_token }}{{ ns.system_prompt }}
{%- 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']}}
{%- endif %}
{%- if message['role'] == 'assistant' and message['tool_calls'] is defined and message['tool_calls'] is not none %}
{%- if ns.is_last_user %}
{{'<｜Assistant｜></think>'}}
{%- endif %}
{%- set ns.is_last_user = false -%}
{%- set ns.is_first = false %}
{%- set ns.is_tool = false -%}
{%- for tool in message['tool_calls'] %}
{%- if not ns.is_first %}
{%- if message['content'] is none %}
{{'<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>'+ tool['function']['name'] + '<｜tool▁sep｜>' + tool['function']['arguments'] + '<｜tool▁call▁end｜>'}}
{%- else %}
{{message['content'] + '<｜tool▁calls▁begin｜><｜tool▁call▁begin｜>' + tool['function']['name'] + '<｜tool▁sep｜>' + tool['function']['arguments'] + '<｜tool▁call▁end｜>'}}
{%- endif %}
{%- set ns.is_first = true -%}
{%- else %}
{{'<｜tool▁call▁begin｜>'+ tool['function']['name'] + '<｜tool▁sep｜>' + tool['function']['arguments'] + '<｜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) %}
{%- if ns.is_last_user %}
{{'<｜Assistant｜>'}}
{%- if message['prefix'] is defined and message['prefix'] and thinking %}
{{'<think>'}}
{%- else %}
{{'</think>'}}
{%- endif %}
{%- endif %}
{%- set ns.is_last_user = false -%}
{%- if ns.is_tool %}
{{message['content'] + '<｜end▁of▁sentence｜>'}}
{%- set ns.is_tool = false -%}
{%- else %}
{%- set content = message['content'] -%}
{%- if '</think>' in content %}
{%- set content = content.split('</think>', 1)[1] -%}
{%- endif %}
{{content + '<｜end▁of▁sentence｜>'}}
{%- endif %}
{%- endif %}
{%- if message['role'] == 'tool' %}
{%- set ns.is_last_user = false -%}
{%- set ns.is_tool = true -%}
{{'<｜tool▁output▁begin｜>' + message['content'] + '<｜tool▁output▁end｜>'}}
{%- endif %}
{%- endfor -%}
{%- if add_generation_prompt and ns.is_last_user and not ns.is_tool %}
{{'<｜Assistant｜>'}}
{%- if not thinking %}
{{'</think>'}}
{%- else %}
{{'<think>'}}
{%- endif %}
{% endif %}
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