| {% macro render_content(content) %}{% if content is none %}{{- '' }}{% elif content is string %}{{- content }}{% elif content is mapping %}{{- content['value'] if 'value' in content else content['text'] }}{% elif content is iterable %}{% for item in content %}{% if item.type == 'text' %}{{- item['value'] if 'value' in item else item['text'] }}{% elif item.type == 'image' %}<im_patch>{% endif %}{% endfor %}{% endif %}{% endmacro %} |
| {%- if tools %} |
| {{- '<|im_start|>system\n' }} |
| {%- if messages[0].role == 'system' %} |
| {{- render_content(messages[0].content) + '\n\n' }} |
| {%- endif %} |
| {{- "# Tools\n\nYou may call one or more functions to assist with the user query.\n\nYou are provided with function signatures within <tools></tools> XML tags:\n<tools>" }} |
| {%- for tool in tools %} |
| {{- "\n" }} |
| {{- tool | tojson }} |
| {%- endfor %} |
| {{- "\n</tools>\n\nAlways adhere to this exact format for tool use:\n<tool_calls>\n<tool_call>\n{\"name\": <function-name>, \"arguments\": <args-json-object>}\n</tool_call>\n{additional_tool_calls}</tool_calls>\n\nNote:\n- For each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags.\n- `<function-name>` must be an exact match to one of the available tools.\n- `<args-json-object>` must be valid JSON that strictly follows the tool's parameters schema.<|im_end|>\n" }} |
| {%- else %} |
| {%- if messages[0].role == 'system' %} |
| {{- '<|im_start|>system\n' + render_content(messages[0].content) + '<|im_end|>\n' }} |
| {%- endif %} |
| {%- endif %} |
| {%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %} |
| {%- for message in messages[::-1] %} |
| {%- set index = (messages|length - 1) - loop.index0 %} |
| {%- if ns.multi_step_tool and message.role == "user" and render_content(message.content) is string and not(render_content(message.content).startswith('<tool_response>') and render_content(message.content).endswith('</tool_response>')) %} |
| {%- set ns.multi_step_tool = false %} |
| {%- set ns.last_query_index = index %} |
| {%- endif %} |
| {%- endfor %} |
| {%- for message in messages %} |
| {%- set content = render_content(message.content) %} |
| {%- if (message.role == "user") or (message.role == "system" and not loop.first) %} |
| {%- set role_name = 'observation' if (message.role == "system" and not loop.first and message.name == 'observation') else message.role %} |
| {{- '<|im_start|>' + role_name + '\n' + content + '<|im_end|>' + '\n' }} |
| {%- elif message.role == "assistant" %} |
| {%- if message.reasoning_content is string %} |
| {%- set reasoning_content = render_content(message.reasoning_content) %} |
| {%- else %} |
| {%- if '</think>' in content %} |
| {%- set reasoning_content = content.split('</think>')[0].rstrip('\n').split('<think>')[-1].lstrip('\n') %} |
| {%- set content = content.split('</think>')[-1].lstrip('\n') %} |
| {%- else %} |
| {%- set reasoning_content = '' %} |
| {%- endif %} |
| {%- endif %} |
| {%- if loop.index0 > ns.last_query_index %} |
| {{- '<|im_start|>' + message.role + '\n<think>\n' + reasoning_content + '\n</think>\n' + content }} |
| {%- else %} |
| {{- '<|im_start|>' + message.role + '\n' + content }} |
| {%- endif %} |
| {%- if message.tool_calls %} |
| {{- '\n<tool_calls>' }} |
| {%- for tool_call in message.tool_calls %} |
| {{- '\n' }} |
| {%- if tool_call.function %} |
| {%- set tool_call = tool_call.function %} |
| {%- endif %} |
| {{- '<tool_call>\n{"name": "' }} |
| {{- tool_call.name }} |
| {{- '", "arguments": ' }} |
| {%- if tool_call.arguments is string %} |
| {{- tool_call.arguments }} |
| {%- else %} |
| {{- tool_call.arguments | tojson }} |
| {%- endif %} |
| {{- '}\n</tool_call>' }} |
| {%- endfor %} |
| {{- '\n</tool_calls>' }} |
| {%- endif %} |
| {{- '<|im_end|>\n' }} |
| {%- elif message.role == "tool" %} |
| {%- if loop.first or (messages[loop.index0 - 1].role != "tool") %} |
| {{- '<|im_start|>tool_response' }} |
| {%- endif %} |
| {{- '\n<tool_response>\n' }} |
| {{- content }} |
| {{- '\n</tool_response>' }} |
| {%- if loop.last or (messages[loop.index0 + 1].role != "tool") %} |
| {{- '<|im_end|>\n' }} |
| {%- endif %} |
| {%- endif %} |
| {%- endfor %} |
| {%- if add_generation_prompt %} |
| {{- '<|im_start|>assistant\n<think>\n\n</think>\n' if (enable_thinking is defined and not enable_thinking) else '<|im_start|>assistant\n<think>' -}} |
| {%- endif %} |
