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1 {%- macro is_array_of_type_objects(var) -%}
2 {%- if var is iterable and var is not string -%}
3 {%- set valid = true -%}
4 {%- for item in var -%}
5 {%- if 'type' not in item -%}
6 {%- set valid = false -%}
7 {%- break -%}
8 {%- endif -%}
9 {%- endfor -%}
10 {{ valid }}
11 {%- else -%}
12 {{ false }}
13 {%- endif -%}
14 {%- endmacro %}
15
16 {%- macro render_message(message) %}
17 {%- if message['content'] is string %}
18 {{- message['content']|trim }}
19 {%- elif is_array_of_type_objects(data) == 'True' %}
20 {%- for content in message['content'] %}
21 {%- if content['type'] == 'image' %}
22 {{- '<|image|>' }}
23 {%- elif content['type'] == 'text' %}
24 {{- content['text']|trim }}
25 {%- endif %}
26 {%- endfor %}
27 {%- else %}
28 {{- message['content']|tojson }}
29 {%- endif %}
30 {%- endmacro %}
31
32 {{- bos_token }}
33 {%- if custom_tools is defined %}
34 {%- set tools = custom_tools %}
35 {%- endif %}
36 {%- if not tools_in_user_message is defined %}
37 {%- set tools_in_user_message = true %}
38 {%- endif %}
39 {%- if not tools is defined %}
40 {%- set tools = none %}
41 {%- endif %}
42
43 {#- This block extracts the system message, so we can slot it into the right place. #}
44 {%- if messages[0]['role'] == 'system' %}
45 {%- set system_message = messages[0] %}
46 {%- set messages = messages[1:] %}
47 {%- else %}
48 {%- set system_message = ({ "content": "You are a helpful assistant with tool calling "
49 "capabilities. Only reply with a tool call if the function exists in the "
50 "library provided by the user. If it doesn't exist, just reply directly in "
51 "natural language. When you receive a tool call response, use the output to "
52 "format an answer to the original user question."}) %}
53 {%- endif %}
54
55 {%- set tool_lib_preamble = 'Tools: You have access to the following tools. You might need to use one '
56 'or more function/tool calls to fulfill the task. \n'
57 'If none are needed, then proceed to the response.\n\n'
58 'Tool Call Syntax: You can call tools using the following syntax:\n'
59 '{"name": function name, "parameters": dictionary of argument name and its value}.\n'
60 'Separate multiple function calls by "; ". Do not use variables.\n'
61 'Do not include anything else when calling the tools with the syntax above.\n\n'
62 'Here is a list of functions in JSON format that you can invoke.\n' %}
63
64 {{- "<|header_start|>system<|header_end|>\n\n" }}
65 {%- if tools is not none and not tools_in_user_message %}
66 {{- tool_lib_preamble }}
67 {%- for t in tools %}
68 {{- t | tojson(indent=4) }}
69 {{- "\n\n" }}
70 {%- endfor %}
71 {%- endif %}
72 {{- render_message(system_message) }}
73 {{ "<|eot|>\n" }}
74
75 {#- Custom tools are passed in a user message with some extra guidance #}
76 {%- if tools_in_user_message and not tools is none %}
77 {#- Extract the first user message so we can plug it in here #}
78 {%- if messages | length != 0 %}
79 {%- set first_user_message = messages[0] %}
80 {%- set messages = messages[1:] %}
81 {%- else %}
82 {{- raise_exception("Cannot put tools in the first user message when there's no first user message!") }}
83 {%- endif %}
84 {{- '<|header_start|>user<|header_end|>\n\n' }}
85 {{- tool_lib_preamble }}
86 {%- for t in tools %}
87 {{- t | tojson(indent=4) }}
88 {{- "\n\n" }}
89 {%- endfor %}
90 {{- render_message(first_user_message) + "\n<|eot|>"}}
91 {%- endif %}
92
93 {%- for message in messages %}
94 {%- if not (message.role == 'ipython' or message.role == 'tool' or 'tool_calls' in message) %}
95 {{- '<|header_start|>' + message['role'] + '<|header_end|>\n\n' }}
96 {{- render_message(message) }}
97 {{- "\n<|eot|>" }}
98 {%- elif 'tool_calls' in message and message.tool_calls|length > 0 %}
99 {{- '\n<|header_start|>assistant<|header_end|>\n\n' -}}
100 {{- render_message(message) }}
101 {%- for tool_call in message.tool_calls %}
102 {{- '{"name": "' + tool_call.function.name + '", ' }}
103 {{- '"parameters": ' }}
104 {{- tool_call.function.arguments | tojson }}
105 {{- "}" }}
106 {%- endfor %}
107 {{- "\n<|eot|>" }}
108 {%- elif message.role == "tool" or message.role == "ipython" %}
109 {{- "\n<|header_start|>ipython<|header_end|>\n\n" }}
110 {{- render_message(message) }}
111 {{- "\n<|eom|>" }}
112 {%- endif %}
113 {%- endfor %}
114 {%- if add_generation_prompt %}
115 {{- '\n<|header_start|>assistant<|header_end|>\n\n' }}
116 {%- endif %}