1{%- if tools %}
 2    {{- '<|im_start|>system\n' }}
 3    {%- if messages[0]['role'] == 'system' %}
 4        {{- messages[0]['content'] }}
 5    {%- else %}
 6        {{- 'You are Qwen, created by Alibaba Cloud. You are a helpful assistant.' }}
 7    {%- endif %}
 8    {{- "\n\n# 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>" }}
 9    {%- for tool in tools %}
10        {{- "\n" }}
11        {{- tool | tojson }}
12    {%- endfor %}
13    {{- "\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><|im_end|>\n" }}
14{%- else %}
15    {%- if messages[0]['role'] == 'system' %}
16        {{- '<|im_start|>system\n' + messages[0]['content'] + '<|im_end|>\n' }}
17    {%- else %}
18        {{- '<|im_start|>system\nYou are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>\n' }}
19    {%- endif %}
20{%- endif %}
21{%- for message in messages %}
22    {%- if (message.role == "user") or (message.role == "system" and not loop.first) or (message.role == "assistant" and not message.tool_calls) %}
23        {{- '<|im_start|>' + message.role + '\n' + message.content + '<|im_end|>' + '\n' }}
24    {%- elif message.role == "assistant" %}
25        {{- '<|im_start|>' + message.role }}
26        {%- if message.content %}
27            {{- '\n' + message.content }}
28        {%- endif %}
29        {%- for tool_call in message.tool_calls %}
30            {%- if tool_call.function is defined %}
31                {%- set tool_call = tool_call.function %}
32            {%- endif %}
33            {{- '\n<tool_call>\n{"name": "' }}
34            {{- tool_call.name }}
35            {{- '", "arguments": ' }}
36            {{- tool_call.arguments | tojson }}
37            {{- '}\n</tool_call>' }}
38        {%- endfor %}
39        {{- '<|im_end|>\n' }}
40    {%- elif message.role == "tool" %}
41        {%- if (loop.index0 == 0) or (messages[loop.index0 - 1].role != "tool") %}
42            {{- '<|im_start|>user' }}
43        {%- endif %}
44        {{- '\n<tool_response>\n' }}
45        {{- message.content }}
46        {{- '\n</tool_response>' }}
47        {%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
48            {{- '<|im_end|>\n' }}
49        {%- endif %}
50    {%- endif %}
51{%- endfor %}
52{%- if add_generation_prompt %}
53    {{- '<|im_start|>assistant\n' }}
54{%- endif %}