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char-fork/llama.cpp

git clone https://git.t4t.associates/char-fork/llama.cpp

Olivier ChafikTool call support (generic + native for Llama, Functionary, Hermes, Mistral, Firefunction, DeepSeek) w/ lazy grammars (#9639)8b576b6c52025-01-30

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 = true %}
7{%- endif %}
8{%- if not date_string is defined %}
9    {%- set date_string = "26 Jul 2024" %}
10{%- endif %}
11{%- if not tools is defined %}
12    {%- set tools = none %}
13{%- endif %}
14
15{#- This block extracts the system message, so we can slot it into the right place. #}
16{%- if messages[0]['role'] == 'system' %}
17    {%- set system_message = messages[0]['content']|trim %}
18    {%- set messages = messages[1:] %}
19{%- else %}
20    {%- set system_message = "" %}
21{%- endif %}
22
23{#- System message + builtin tools #}
24{{- "<|start_header_id|>system<|end_header_id|>\n\n" }}
25{%- if builtin_tools is defined or tools is not none %}
26    {{- "Environment: ipython\n" }}
27{%- endif %}
28{%- if builtin_tools is defined %}
29    {{- "Tools: " + builtin_tools | reject('equalto', 'code_interpreter') | join(", ") + "\n\n"}}
30{%- endif %}
31{{- "Cutting Knowledge Date: December 2023\n" }}
32{{- "Today Date: " + date_string + "\n\n" }}
33{%- if tools is not none and not tools_in_user_message %}
34    {{- "You have access to the following functions. To call a function, please respond with JSON for a function call." }}
35    {{- 'Respond in the format {"name": function name, "parameters": dictionary of argument name and its value}.' }}
36    {{- "Do not use variables.\n\n" }}
37    {%- for t in tools %}
38        {{- t | tojson(indent=4) }}
39        {{- "\n\n" }}
40    {%- endfor %}
41{%- endif %}
42{{- system_message }}
43{{- "<|eot_id|>" }}
44
45{#- Custom tools are passed in a user message with some extra guidance #}
46{%- if tools_in_user_message and not tools is none %}
47    {#- Extract the first user message so we can plug it in here #}
48    {%- if messages | length != 0 %}
49        {%- set first_user_message = messages[0]['content']|trim %}
50        {%- set messages = messages[1:] %}
51    {%- else %}
52        {{- raise_exception("Cannot put tools in the first user message when there's no first user message!") }}
53{%- endif %}
54    {{- '<|start_header_id|>user<|end_header_id|>\n\n' -}}
55    {{- "Given the following functions, please respond with a JSON for a function call " }}
56    {{- "with its proper arguments that best answers the given prompt.\n\n" }}
57    {{- 'Respond in the format {"name": function name, "parameters": dictionary of argument name and its value}.' }}
58    {{- "Do not use variables.\n\n" }}
59    {%- for t in tools %}
60        {{- t | tojson(indent=4) }}
61        {{- "\n\n" }}
62    {%- endfor %}
63    {{- first_user_message + "<|eot_id|>"}}
64{%- endif %}
65
66{%- for message in messages %}
67    {%- if not (message.role == 'ipython' or message.role == 'tool' or 'tool_calls' in message) %}
68        {{- '<|start_header_id|>' + message['role'] + '<|end_header_id|>\n\n'+ message['content'] | trim + '<|eot_id|>' }}
69    {%- elif 'tool_calls' in message %}
70        {%- if not message.tool_calls|length == 1 %}
71            {{- raise_exception("This model only supports single tool-calls at once!") }}
72        {%- endif %}
73        {%- set tool_call = message.tool_calls[0].function %}
74        {%- if builtin_tools is defined and tool_call.name in builtin_tools %}
75            {{- '<|start_header_id|>assistant<|end_header_id|>\n\n' -}}
76            {{- "<|python_tag|>" + tool_call.name + ".call(" }}
77            {%- for arg_name, arg_val in tool_call.arguments | items %}
78                {{- arg_name + '="' + arg_val + '"' }}
79                {%- if not loop.last %}
80                    {{- ", " }}
81                {%- endif %}
82                {%- endfor %}
83            {{- ")" }}
84        {%- else  %}
85            {{- '<|start_header_id|>assistant<|end_header_id|>\n\n' -}}
86            {{- '{"name": "' + tool_call.name + '", ' }}
87            {{- '"parameters": ' }}
88            {{- tool_call.arguments | tojson }}
89            {{- "}" }}
90        {%- endif %}
91        {%- if builtin_tools is defined %}
92            {#- This means we're in ipython mode #}
93            {{- "<|eom_id|>" }}
94        {%- else %}
95            {{- "<|eot_id|>" }}
96        {%- endif %}
97    {%- elif message.role == "tool" or message.role == "ipython" %}
98        {{- "<|start_header_id|>ipython<|end_header_id|>\n\n" }}
99        {%- if message.content is mapping or message.content is iterable %}
100            {{- message.content | tojson }}
101        {%- else %}
102            {{- message.content }}
103        {%- endif %}
104        {{- "<|eot_id|>" }}
105    {%- endif %}
106{%- endfor %}
107{%- if add_generation_prompt %}
108    {{- '<|start_header_id|>assistant<|end_header_id|>\n\n' }}
109{%- endif %}