| {%- set image_count = namespace(value=0) %} |
| {%- set video_count = namespace(value=0) %} |
| {%- macro render_content(content, do_vision_count, is_system_content=false) %} |
| {%- if content is string %} |
| {{- content }} |
| {%- elif content is iterable and content is not mapping %} |
| {%- for item in content %} |
| {%- if 'image' in item or 'image_url' in item or item.type == 'image' %} |
| {%- if is_system_content %} |
| {{- raise_exception('System message cannot contain images.') }} |
| {%- endif %} |
| {%- if do_vision_count %} |
| {%- set image_count.value = image_count.value + 1 %} |
| {%- endif %} |
| {%- if add_vision_id %} |
| {{- 'Picture ' ~ image_count.value ~ ': ' }} |
| {%- endif %} |
| {{- '<|vision_start|><|image_pad|><|vision_end|>' }} |
| {%- elif 'video' in item or item.type == 'video' %} |
| {%- if is_system_content %} |
| {{- raise_exception('System message cannot contain videos.') }} |
| {%- endif %} |
| {%- if do_vision_count %} |
| {%- set video_count.value = video_count.value + 1 %} |
| {%- endif %} |
| {%- if add_vision_id %} |
| {{- 'Video ' ~ video_count.value ~ ': ' }} |
| {%- endif %} |
| {{- '<|vision_start|><|video_pad|><|vision_end|>' }} |
| {%- elif 'text' in item %} |
| {{- item.text }} |
| {%- else %} |
| {{- raise_exception('Unexpected item type in content.') }} |
| {%- endif %} |
| {%- endfor %} |
| {%- elif content is none or content is undefined %} |
| {{- '' }} |
| {%- else %} |
| {{- raise_exception('Unexpected content type.') }} |
| {%- endif %} |
| {%- endmacro %} |
| {%- if not messages %} |
| {{- raise_exception('No messages provided.') }} |
| {%- endif %} |
| {%- set sysns = namespace(count=0, text='') %} |
| {%- for message in messages %} |
| {%- if sysns.count == loop.index0 and (message.role == 'system' or message.role == 'developer') %} |
| {%- set sys_content = render_content(message.content, false, true)|trim %} |
| {%- if sys_content %} |
| {%- set sysns.text = sysns.text + ('\n' if sysns.text else '') + sys_content %} |
| {%- endif %} |
| {%- set sysns.count = sysns.count + 1 %} |
| {%- endif %} |
| {%- endfor %} |
| {%- set num_sys = sysns.count %} |
| {%- set merged_system = sysns.text %} |
| {%- set reasoning_instructions = '' %} |
| {%- if enable_thinking is undefined or enable_thinking is true %} |
| {%- set resolved_reasoning_effort = reasoning_effort|default('xhigh') %} |
| {%- if resolved_reasoning_effort == 'high' %} |
| {%- set resolved_reasoning_effort = 'xhigh' %} |
| {%- endif %} |
| {%- if resolved_reasoning_effort not in ('xhigh', 'medium', 'low') %} |
| {{- raise_exception('Unexpected reasoning effort ' ~ reasoning_effort ~ '. Supported types are xhigh (default), medium, and low.') }} |
| {%- endif %} |
| {%- if resolved_reasoning_effort == 'xhigh' %} |
| {%- set reasoning_instructions = 'Reasoning effort is set to xhigh. Please think carefully through the task, validate key assumptions, consider plausible alternatives, and prioritize correctness, consistency, and clarity in the final answer.' %} |
| {%- elif resolved_reasoning_effort == 'low' %} |
| {%- set reasoning_instructions = 'Reasoning effort is set to low. Keep your thinking brief and focused, moving directly to the conclusion without unnecessary elaboration.' %} |
| {%- endif %} |
| {%- endif %} |
| {%- if tools and tools is iterable and tools is not mapping %} |
| {{- '<|im_start|>system\n' }} |
| {%- if reasoning_instructions %} |
| {{- reasoning_instructions + '\n\n' }} |
| {%- endif %} |
| {{- "# Tools\n\nYou have access to the following functions:\n\n<tools>" }} |
| {%- for tool in tools %} |
| {{- "\n" }} |
| {{- tool | tojson }} |
| {%- endfor %} |
| {{- "\n</tools>" }} |
| {{- '\n\nIf you choose to call a function ONLY reply in the following format with NO suffix:\n\n<tool_call>\n<function=example_function_name>\n<parameter=example_parameter_1>\nvalue_1\n</parameter>\n<parameter=example_parameter_2>\nThis is the value for the second parameter\nthat can span\nmultiple lines\n</parameter>\n</function>\n</tool_call>\n\n<IMPORTANT>\nReminder:\n- Function calls MUST follow the specified format: an inner <function=...></function> block must be nested within <tool_call></tool_call> XML tags\n- Required parameters MUST be specified\n- You may provide optional reasoning for your function call in natural language BEFORE the function call, but NOT after\n- If there is no function call available, answer the question like normal with your current knowledge and do not tell the user about function calls\n</IMPORTANT>' }} |
| {%- if merged_system %} |
| {{- '\n\n' + merged_system }} |
| {%- endif %} |
| {{- '<|im_end|>\n' }} |
| {%- else %} |
| {%- if merged_system %} |
| {{- '<|im_start|>system\n' + (reasoning_instructions + '\n\n' if reasoning_instructions else '') + merged_system + '<|im_end|>\n' }} |
| {%- elif reasoning_instructions %} |
| {{- '<|im_start|>system\n' + reasoning_instructions + '<|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" %} |
| {%- set content = render_content(message.content, false)|trim %} |
| {%- if not(content.startswith('<tool_response>') and content.endswith('</tool_response>')) %} |
| {%- set ns.multi_step_tool = false %} |
| {%- set ns.last_query_index = index %} |
| {%- endif %} |
| {%- endif %} |
| {%- endfor %} |
| {%- for message in messages %} |
| {%- if loop.index0 >= num_sys %} |
| {%- set content = render_content(message.content, true)|trim %} |
| {%- if message.role == "system" or message.role == "developer" %} |
| {{- raise_exception('System message must be at the beginning.') }} |
| {%- elif message.role == "user" %} |
| {{- '<|im_start|>' + message.role + '\n' + content + '<|im_end|>' + '\n' }} |
| {%- elif message.role == "assistant" %} |
| {%- set reasoning_content = '' %} |
| {%- if message.reasoning_content is string %} |
| {%- set reasoning_content = message.reasoning_content %} |
| {%- endif %} |
| {%- set reasoning_content = reasoning_content|trim %} |
| {%- if preserve_thinking is undefined or preserve_thinking is true or loop.index0 > ns.last_query_index %} |
| {{- '<|im_start|>' + message.role + '\n<think>\n' + reasoning_content + '\n</think>\n\n' + content }} |
| {%- else %} |
| {{- '<|im_start|>' + message.role + '\n' + content }} |
| {%- endif %} |
| {%- if message.tool_calls and message.tool_calls is iterable and message.tool_calls is not mapping %} |
| {%- for tool_call in message.tool_calls %} |
| {%- if tool_call.function is defined %} |
| {%- set tool_call = tool_call.function %} |
| {%- endif %} |
| {%- if tool_call.name is not defined or tool_call.name is none %} |
| {{- raise_exception('Tool call is missing a function name.') }} |
| {%- endif %} |
| {%- if loop.first %} |
| {%- if content|trim %} |
| {{- '\n\n<tool_call>\n<function=' + tool_call.name + '>\n' }} |
| {%- else %} |
| {{- '<tool_call>\n<function=' + tool_call.name + '>\n' }} |
| {%- endif %} |
| {%- else %} |
| {{- '\n<tool_call>\n<function=' + tool_call.name + '>\n' }} |
| {%- endif %} |
| {%- if tool_call.arguments is mapping %} |
| {%- for args_name, args_value in tool_call.arguments|items %} |
| {{- '<parameter=' + args_name + '>\n' }} |
| {%- set args_value = args_value | string if args_value is string else args_value | tojson | safe %} |
| {{- args_value }} |
| {{- '\n</parameter>\n' }} |
| {%- endfor %} |
| {%- elif tool_call.arguments is string %} |
| {%- if tool_call.arguments|trim %} |
| {{- raise_exception('Tool call arguments for function "' + (tool_call.name | string) + '" were passed as a JSON string. Parse them into an object before calling apply_chat_template.') }} |
| {%- endif %} |
| {%- elif tool_call.arguments is defined and tool_call.arguments is not none %} |
| {{- raise_exception('Tool call arguments for function "' + (tool_call.name | string) + '" must be an object/mapping or a JSON string.') }} |
| {%- endif %} |
| {{- '</function>\n</tool_call>' }} |
| {%- endfor %} |
| {%- endif %} |
| {{- '<|im_end|>\n' }} |
| {%- elif message.role == "tool" %} |
| {%- if loop.previtem and loop.previtem.role != "tool" %} |
| {{- '<|im_start|>user' }} |
| {%- endif %} |
| {{- '\n<tool_response>\n' }} |
| {{- content }} |
| {{- '\n</tool_response>' }} |
| {%- if not loop.last and loop.nextitem.role != "tool" %} |
| {{- '<|im_end|>\n' }} |
| {%- elif loop.last %} |
| {{- '<|im_end|>\n' }} |
| {%- endif %} |
| {%- else %} |
| {{- raise_exception('Unexpected message role.') }} |
| {%- endif %} |
| {%- endif %} |
| {%- endfor %} |
| {%- if add_generation_prompt %} |
| {{- '<|im_start|>assistant\n' }} |
| {%- if enable_thinking is defined and enable_thinking is false %} |
| {{- '<think>\n\n</think>\n\n' }} |
| {%- else %} |
| {{- '<think>\n' }} |
| {%- endif %} |
| {%- endif %} |
| |
