1{%- macro render_content(msg) -%}
  2    {%- set c = msg.get('content') -%}
  3    {%- if c is string -%}
  4      {{ c }}
  5    {%- elif c is not none -%}
  6      {% for content in c -%}
  7        {% if content['type'] == 'image' or 'image' in content or 'image_url' in content -%}
  8          <|media_start|>image<|media_content|><|media_pad|><|media_end|>
  9        {% else -%}
 10          {{ content['text'] }}
 11        {%- endif -%}
 12      {%- endfor -%}
 13    {%- endif -%}
 14{%- endmacro -%}
 15
 16{% macro set_roles(message) -%}
 17  {%- set role_name =  message.get('name') or  message['role'] -%}
 18  {%- if message['role'] == 'user' -%}
 19    <|im_user|>{{role_name}}<|im_middle|>
 20  {%- elif message['role'] == 'assistant' -%}
 21    <|im_assistant|>{{role_name}}<|im_middle|>
 22  {%- else -%}
 23    <|im_system|>{{role_name}}<|im_middle|>
 24  {%- endif -%}
 25{%- endmacro -%}
 26
 27{%- set tool_response_queue = namespace(ids=[]) -%}
 28{%- set tool_call_counter = namespace(value=0) -%}
 29
 30{%- macro render_toolcalls(message) -%}
 31  <|tool_calls_section_begin|>
 32  {%- for tool_call in message['tool_calls'] -%}
 33    {%- set formatted_id = 'functions.' + tool_call['function']['name'] + ':' + (tool_call_counter.value | string) -%}
 34    {%- set tool_call_counter.value = tool_call_counter.value + 1 -%}
 35    {%- set _ = tool_response_queue.ids.append(formatted_id) -%}
 36    <|tool_call_begin|>{{ formatted_id }}<|tool_call_argument_begin|>{% if tool_call['function']['arguments'] is string %}{{ tool_call['function']['arguments'] }}{% else %}{{ tool_call['function']['arguments'] | tojson }}{% endif %}<|tool_call_end|>
 37  {%- endfor -%}
 38  <|tool_calls_section_end|>
 39{%- endmacro -%}
 40
 41
 42{# Find last non-tool-call assisitant message #}
 43{%- set ns = namespace(last_non_tool_call_assistant_msg=-1) -%}
 44{%- for idx in range(messages|length-1, -1, -1) -%}
 45    {%- if messages[idx]['role'] == 'assistant' and not messages[idx].get('tool_calls') -%}
 46        {%- set ns.last_non_tool_call_assistant_msg = idx -%}
 47    {%- endif -%}
 48{%- endfor -%}
 49
 50{# split all messages into history & suffix, reasoning_content in suffix should be reserved.#}
 51{%- set hist_msgs = messages[:ns.last_non_tool_call_assistant_msg+1] -%}
 52{%- set suffix_msgs = messages[ns.last_non_tool_call_assistant_msg+1:] -%}
 53
 54{%- if tools -%}
 55  <|im_system|>tool_declare<|im_middle|>{{ tools | tojson }}<|im_end|>
 56{%- endif -%}
 57
 58{%- if messages|length == 0 or messages[0]['role'] != 'system' -%}
 59  <|im_system|>system<|im_middle|>You are Kimi, an AI assistant created by Moonshot AI.<|im_end|>
 60{%- endif -%}
 61
 62{%- for message in hist_msgs -%}
 63  {{set_roles(message)}}
 64  {%- if message['role'] == 'assistant' -%}
 65    <think></think>{{render_content(message)}}
 66    {%- if message.get('tool_calls') -%}
 67      {{render_toolcalls(message)}}
 68    {%- endif -%}
 69  {%- elif message['role'] == 'tool' -%}
 70    {%- if tool_response_queue.ids -%}
 71      {%- set tool_call_id = tool_response_queue.ids.pop(0) -%}
 72    {%- else -%}
 73      {%- set tool_call_id = 'functions.' + message.get('name', 'unknown') + ':' + (tool_call_counter.value | string) -%}
 74    {%- endif -%}
 75    ## Return of {{ tool_call_id }}
 76{{render_content(message)}}
 77  {%- elif message['content'] is not none -%}
 78    {{render_content(message)}}
 79  {%- endif -%}
 80  <|im_end|>
 81{%- endfor -%}
 82
 83{%- for message in suffix_msgs -%}
 84  {{set_roles(message)}}
 85  {%- if message['role'] == 'assistant' -%}
 86    {%- set rc = message.get('reasoning_content', '') -%}
 87    <think>{{rc}}</think>{{render_content(message)}}
 88    {%- if message.get('tool_calls') -%}
 89     {{render_toolcalls(message)}}
 90    {%- endif -%}
 91  {%- elif message['role'] == 'tool' -%}
 92    {%- if tool_response_queue.ids -%}
 93      {%- set tool_call_id = tool_response_queue.ids.pop(0) -%}
 94    {%- else -%}
 95      {%- set tool_call_id = 'functions.' + message.get('name', 'unknown') + ':' + (tool_call_counter.value | string) -%}
 96    {%- endif -%}
 97    ## Return of {{ tool_call_id }}
 98{{render_content(message)}}
 99  {%- elif message['content'] is not none -%}
100    {{render_content(message)}}
101  {%- endif -%}
102  <|im_end|>
103{%- endfor -%}
104
105
106{%- if add_generation_prompt -%}
107  <|im_assistant|>assistant<|im_middle|>
108{%- endif -%}