| {%- 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 %} |
| {%- if tools and tools is iterable and tools is not mapping %} |
| {{- '<|im_start|>system\n' }} |
| {{- "# Tools\n\nYou have access to the following functions:\n\n<tools>" }} |
| {%- for tool in tools %} |
| {{- "\n" }} |
| {{- tool | tojson }} |
| {%- endfor %} |
| {{- "\n</tools>" }} |
| {{- '\n\nFor each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:\n<tool_call>\n{\"name\": <function-name>, \"arguments\": <args-json-object>}\n</tool_call>' }} |
| {%- if messages[0].role == 'system' %} |
| {%- set content = render_content(messages[0].content, false, true)|trim %} |
| {%- if content %} |
| {{- '\n\n' + content }} |
| {%- if enable_thinking is not defined or enable_thinking is not false %} |
| {{- '\n\n<think> tags must be used for thinking. Do not use <thinking> tags.' }} |
| {%- endif %} |
| {%- endif %} |
| {%- endif %} |
| {{- '<|im_end|>\n' }} |
| {%- else %} |
| {%- if messages[0].role == 'system' %} |
| {%- set content = render_content(messages[0].content, false, true)|trim %} |
| {%- if enable_thinking is not defined or enable_thinking is not false %} |
| {{- '<|im_start|>system\n' + content + '\n\n<think> tags must be used for thinking. Do not use <thinking> tags.<|im_end|>\n' }} |
| {%- else %} |
| {{- '<|im_start|>system\n' + content + '<|im_end|>\n' }} |
| {%- endif %} |
| {%- 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 %} |
| {%- if ns.multi_step_tool %} |
| {{- raise_exception('No user query found in messages.') }} |
| {%- endif %} |
| {%- for message in messages %} |
| {%- set content = render_content(message.content, true)|trim %} |
| {%- if message.role == "system" %} |
| {%- if not loop.first %} |
| {{- raise_exception('System message must be at the beginning.') }} |
| {%- endif %} |
| {%- 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 %} |
| {%- 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') %} |
| {%- endif %} |
| {%- endif %} |
| {%- set reasoning_content = reasoning_content|trim %} |
| {%- if 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 loop.first %} |
| {%- if content|trim %} |
| {{- '\n\n<tool_call>\n{"name": "' }} |
| {%- else %} |
| {{- '<tool_call>\n{"name": "' }} |
| {%- endif %} |
| {%- else %} |
| {{- '\n<tool_call>\n{"name": "' }} |
| {%- endif %} |
| {{- tool_call.name }} |
| {{- '", "arguments": ' }} |
| {{- tool_call.arguments | tojson }} |
| {{- '}\n</tool_call>' }} |
| {%- endfor %} |
| {%- endif %} |
| {{- '<|im_end|>\n' }} |
| {%- elif message.role == "tool" %} |
| {%- if not loop.previtem or 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 %} |
| {%- 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 %} |
| |
