@tduncan / Nvidia-Optimization-Stack-VLLM
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1 {{- bos_token }}
2 {%- if custom_tools is defined %}
3 {%- set tools = custom_tools %}
4 {%- endif %}
5 {%- if not tools_in_user_message is defined %}
6 {%- set tools_in_user_message = false %}
7 {%- endif %}
8 {%- if not date_string is defined %}
9 {%- if strftime_now is defined %}
10 {%- set date_string = strftime_now("%d %b %Y") %}
11 {%- else %}
12 {%- set date_string = "26 Jul 2024" %}
13 {%- endif %}
14 {%- endif %}
15 {%- if not tools is defined %}
16 {%- set tools = none %}
17 {%- endif %}
18
19 {#- Find out if there are any images #}
20 {% set image_ns = namespace(has_images=false) %}
21 {%- for message in messages %}
22 {%- for content in message['content'] %}
23 {%- if content['type'] == 'image' %}
24 {%- set image_ns.has_images = true %}
25 {%- endif %}
26 {%- endfor %}
27 {%- endfor %}
28
29 {#- This block extracts the system message, so we can slot it into the right place. #}
30 {%- if messages[0]['role'] == 'system' %}
31 {%- if messages[0]['content'] is string %}
32 {%- set system_message = messages[0]['content']|trim %}
33 {%- else %}
34 {%- set system_message = messages[0]['content'][0]['text']|trim %}
35 {%- endif %}
36 {%- set messages = messages[1:] %}
37 {%- else %}
38 {%- if tools is not none %}
39 {%- set system_message = "You are a helpful assistant with tool calling capabilities. Only reply with a tool call if the function exists in the library provided by the user. If it doesn't exist, just reply directly in natural language. When you receive a tool call response, use the output to format an answer to the original user question." %}
40 {%- else %}
41 {%- set system_message = "" %}
42 {%- endif %}
43 {%- endif %}
44
45 {#- System message if there are no images, if the user supplied one, or if tools are used (default tool system message) #}
46 {%- if system_message or not image_ns.has_images %}
47 {{- "<|start_header_id|>system<|end_header_id|>\n\n" }}
48 {%- if tools is not none %}
49 {{- "Environment: ipython\n" }}
50 {%- endif %}
51 {{- "Cutting Knowledge Date: December 2023\n" }}
52 {{- "Today Date: " + date_string + "\n\n" }}
53 {%- if tools is not none and not tools_in_user_message %}
54 {{- "You have access to the following functions. To call a function, please respond with JSON for a function call. " }}
55 {{- 'Respond in the format {"name": function name, "parameters": dictionary of argument name and its value}. ' }}
56 {{- "Do not use variables.\n\n" }}
57 {%- for t in tools %}
58 {{- t | tojson(indent=4) }}
59 {{- "\n\n" }}
60 {%- endfor %}
61 {%- endif %}
62 {{- system_message }}
63 {{- "<|eot_id|>" }}
64 {%- endif %}
65
66 {#- Custom tools are passed in a user message with some extra guidance #}
67 {%- if tools_in_user_message and not tools is none %}
68 {#- Extract the first user message so we can plug it in here #}
69 {%- if messages | length != 0 %}
70 {%- if messages[0]['content'] is string %}
71 {%- set first_user_message = messages[0]['content']|trim %}
72 {%- else %}
73 {%- set first_user_message = messages[0]['content'] | selectattr('type', 'equalto', 'text') | map(attribute='text') | map('trim') | join('\n') %}
74 {%- endif %}
75 {%- set messages = messages[1:] %}
76 {%- else %}
77 {{- raise_exception("Cannot put tools in the first user message when there's no first user message!") }}
78 {%- endif %}
79 {{- '<|start_header_id|>user<|end_header_id|>\n\n' -}}
80 {{- "Given the following functions, please respond with a JSON for a function call " }}
81 {{- "with its proper arguments that best answers the given prompt.\n\n" }}
82 {{- 'Respond in the format {"name": function name, "parameters": dictionary of argument name and its value}. ' }}
83 {{- "Do not use variables.\n\n" }}
84 {%- for t in tools %}
85 {{- t | tojson(indent=4) }}
86 {{- "\n\n" }}
87 {%- endfor %}
88 {{- first_user_message + "<|eot_id|>"}}
89 {%- endif %}
90
91 {%- for message in messages %}
92 {%- if not (message.role == 'ipython' or message.role == 'tool' or 'tool_calls' in message) %}
93 {{- '<|start_header_id|>' + message['role'] + '<|end_header_id|>\n\n' }}
94 {%- if message['content'] is string %}
95 {{- message['content'] | trim}}
96 {%- else %}
97 {%- for content in message['content'] %}
98 {%- if content['type'] == 'image' %}
99 {{- '<|image|>' }}
100 {%- elif content['type'] == 'text' %}
101 {{- content['text'] | trim }}
102 {%- endif %}
103 {%- endfor %}
104 {%- endif %}
105 {{- '<|eot_id|>' }}
106 {%- elif 'tool_calls' in message %}
107 {%- if not message.tool_calls|length == 1 %}
108 {{- raise_exception("This model only supports single tool-calls at once!") }}
109 {%- endif %}
110 {%- set tool_call = message.tool_calls[0].function %}
111 {{- '<|start_header_id|>assistant<|end_header_id|>\n\n' -}}
112 {{- '{"name": "' + tool_call.name + '", ' }}
113 {{- '"parameters": ' }}
114 {{- tool_call.arguments | tojson }}
115 {{- "}" }}
116 {{- "<|eot_id|>" }}
117 {%- elif message.role == "tool" or message.role == "ipython" %}
118 {{- "<|start_header_id|>ipython<|end_header_id|>\n\n" }}
119 {%- if message.content is string %}
120 {{- { "output": message.content } | tojson }}
121 {%- else %}
122 {%- for content in message['content'] %}
123 {%- if content['type'] == 'text' %}
124 {{- { "output": content['text'] } | tojson }}
125 {%- endif %}
126 {%- endfor %}
127 {%- endif %}
128 {{- "<|eot_id|>" }}
129 {%- endif %}
130 {%- endfor %}
131 {%- if add_generation_prompt %}
132 {{- '<|start_header_id|>assistant<|end_header_id|>\n\n' }}
133 {%- endif %}