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char-fork/llama.cpp

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

Aldehir Rojascommon : better align to the updated official gemma4 template (#21704)3fc65063d2026-04-10

1{%- macro format_parameters(properties, required) -%}
2    {%- set standard_keys = ['description', 'type', 'properties', 'required', 'nullable'] -%}
3    {%- set ns = namespace(found_first=false) -%}
4    {%- for key, value in properties | dictsort -%}
5        {%- set add_comma = false -%}
6        {%- if key not in standard_keys -%}
7            {%- if ns.found_first %},{% endif -%}
8            {%- set ns.found_first = true -%}
9            {{ key }}:{
10            {%- if value['description'] -%}
11                description:<|"|>{{ value['description'] }}<|"|>
12                {%- set add_comma = true -%}
13            {%- endif -%}
14            {%- if value['nullable'] %}
15                {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}
16                nullable:true
17            {%- endif -%}
18            {%- if value['type'] | upper == 'STRING' -%}
19                {%- if value['enum'] -%}
20                    {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}
21                    enum:{{ format_argument(value['enum']) }}
22                {%- endif -%}
23            {%- elif value['type'] | upper == 'OBJECT' -%}
24                ,properties:{
25                {%- if value['properties'] is defined and value['properties'] is mapping -%}
26                    {{- format_parameters(value['properties'], value['required'] | default([])) -}}
27                {%- elif value is mapping -%}
28                    {{- format_parameters(value, value['required'] | default([])) -}}
29                {%- endif -%}
30                }
31                {%- if value['required'] -%}
32                    ,required:[
33                    {%- for item in value['required'] | default([]) -%}
34                        <|"|>{{- item -}}<|"|>
35                        {%- if not loop.last %},{% endif -%}
36                    {%- endfor -%}
37                    ]
38                {%- endif -%}
39            {%- elif value['type'] | upper == 'ARRAY' -%}
40                {%- if value['items'] is mapping and value['items'] -%}
41                    ,items:{
42                    {%- set ns_items = namespace(found_first=false) -%}
43                    {%- for item_key, item_value in value['items'] | dictsort -%}
44                        {%- if item_value is not none -%}
45                            {%- if ns_items.found_first %},{% endif -%}
46                            {%- set ns_items.found_first = true -%}
47                            {%- if item_key == 'properties' -%}
48                                properties:{
49                                {%- if item_value is mapping -%}
50                                    {{- format_parameters(item_value, value['items']['required'] | default([])) -}}
51                                {%- endif -%}
52                                }
53                            {%- elif item_key == 'required' -%}
54                                required:[
55                                {%- for req_item in item_value -%}
56                                    <|"|>{{- req_item -}}<|"|>
57                                    {%- if not loop.last %},{% endif -%}
58                                {%- endfor -%}
59                                ]
60                            {%- elif item_key == 'type' -%}
61                                {%- if item_value is string -%}
62                                    type:{{ format_argument(item_value | upper) }}
63                                {%- else -%}
64                                    type:{{ format_argument(item_value | map('upper') | list) }}
65                                {%- endif -%}
66                            {%- else -%}
67                                {{ item_key }}:{{ format_argument(item_value) }}
68                            {%- endif -%}
69                        {%- endif -%}
70                    {%- endfor -%}
71                    }
72                {%- endif -%}
73            {%- endif -%}
74            {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}
75            type:<|"|>{{ value['type'] | upper }}<|"|>}
76        {%- endif -%}
77    {%- endfor -%}
78{%- endmacro -%}
79{%- macro format_function_declaration(tool_data) -%}
80    declaration:{{- tool_data['function']['name'] -}}{description:<|"|>{{- tool_data['function']['description'] -}}<|"|>
81    {%- set params = tool_data['function']['parameters'] -%}
82    {%- if params -%}
83        ,parameters:{
84        {%- if params['properties'] -%}
85            properties:{ {{- format_parameters(params['properties'], params['required']) -}} },
86        {%- endif -%}
87        {%- if params['required'] -%}
88            required:[
89            {%- for item in params['required'] -%}
90                <|"|>{{- item -}}<|"|>
91                {{- ',' if not loop.last -}}
92            {%- endfor -%}
93            ],
94        {%- endif -%}
95        {%- if params['type'] -%}
96            type:<|"|>{{- params['type'] | upper -}}<|"|>}
97        {%- endif -%}
98    {%- endif -%}
99    {%- if 'response' in tool_data['function'] -%}
100        {%- set response_declaration = tool_data['function']['response'] -%}
101        ,response:{
102        {%- if response_declaration['description'] -%}
103            description:<|"|>{{- response_declaration['description'] -}}<|"|>,
104        {%- endif -%}
105        {%- if response_declaration['type'] | upper == 'OBJECT' -%}
106            type:<|"|>{{- response_declaration['type'] | upper -}}<|"|>}
107        {%- endif -%}
108    {%- endif -%}
109    }
110{%- endmacro -%}
111{%- macro format_argument(argument, escape_keys=True) -%}
112    {%- if argument is string -%}
113        {{- '<|"|>' + argument + '<|"|>' -}}
114    {%- elif argument is boolean -%}
115        {{- 'true' if argument else 'false' -}}
116    {%- elif argument is mapping -%}
117        {{- '{' -}}
118        {%- set ns = namespace(found_first=false) -%}
119        {%- for key, value in argument | dictsort -%}
120            {%- if ns.found_first %},{% endif -%}
121            {%- set ns.found_first = true -%}
122            {%- if escape_keys -%}
123                {{- '<|"|>' + key + '<|"|>' -}}
124            {%- else -%}
125                {{- key -}}
126            {%- endif -%}
127            :{{- format_argument(value, escape_keys=escape_keys) -}}
128        {%- endfor -%}
129        {{- '}' -}}
130    {%- elif argument is sequence -%}
131        {{- '[' -}}
132        {%- for item in argument -%}
133            {{- format_argument(item, escape_keys=escape_keys) -}}
134            {%- if not loop.last %},{% endif -%}
135        {%- endfor -%}
136        {{- ']' -}}
137    {%- else -%}
138        {{- argument -}}
139    {%- endif -%}
140{%- endmacro -%}
141{%- macro strip_thinking(text) -%}
142    {%- set ns = namespace(result='') -%}
143    {%- for part in text.split('<channel|>') -%}
144        {%- if '<|channel>' in part -%}
145            {%- set ns.result = ns.result + part.split('<|channel>')[0] -%}
146        {%- else -%}
147            {%- set ns.result = ns.result + part -%}
148        {%- endif -%}
149    {%- endfor -%}
150    {{- ns.result | trim -}}
151{%- endmacro -%}
152
153{%- set ns = namespace(prev_message_type=None, last_user_message=-1) -%}
154{%- set loop_messages = messages -%}
155{{- bos_token -}}
156{#- Handle System/Tool Definitions Block -#}
157{%- if (enable_thinking is defined and enable_thinking) or tools or messages[0]['role'] in ['system', 'developer'] -%}
158    {{- '<|turn>system\n' -}}
159
160    {#- Inject Thinking token at the very top of the FIRST system turn -#}
161    {%- if enable_thinking is defined and enable_thinking -%}
162        {{- '<|think|>\n' -}}
163        {%- set ns.prev_message_type = 'think' -%}
164    {%- endif -%}
165
166    {%- if messages[0]['role'] in ['system', 'developer'] -%}
167        {{- messages[0]['content'] | trim -}}
168        {%- set loop_messages = messages[1:] -%}
169    {%- endif -%}
170
171    {%- if tools -%}
172        {%- for tool in tools %}
173            {{- '<|tool>' -}}
174            {{- format_function_declaration(tool) | trim -}}
175            {{- '<tool|>' -}}
176        {%- endfor %}
177        {%- set ns.prev_message_type = 'tool' -%}
178    {%- endif -%}
179
180    {{- '<turn|>\n' -}}
181{%- endif %}
182
183{#- Find last user message -#}
184{%- for message in loop_messages -%}
185    {%- if message['role'] == 'user' -%}
186        {%- set ns.last_user_message = loop.index0 -%}
187    {%- endif -%}
188{%- endfor -%}
189
190{#- Loop through messages -#}
191{%- for message in loop_messages -%}
192    {%- set role = 'model' if message['role'] == 'assistant' else message['role'] -%}
193        {%- if not (ns.prev_message_type == 'tool_response' and message['tool_calls']) -%}
194        {{- '<|turn>' + role + '\n' }}
195        {%- endif -%}
196
197        {%- set ns.prev_message_type = None -%}
198
199            {%- if message['tool_calls'] -%}
200                {#- Preserve reasoning between tool calls for model turns that come after the last user turn -#} 
201                {%- if message['reasoning_content'] and loop.index0 > ns.last_user_message -%}
202                  {{- '<|channel>thought\n' -}}
203                  {{- message['reasoning_content'] -}}
204                  {{- '<channel|>' -}}
205                {%- endif -%}
206                {%- for tool_call in message['tool_calls'] -%}
207                    {%- set function = tool_call['function'] -%}
208                    {{- '<|tool_call>call:' + function['name'] + '{' -}}
209                    {%- if function['arguments'] is mapping -%}
210                        {%- set ns_args = namespace(found_first=false) -%}
211                        {%- for key, value in function['arguments'] | dictsort -%}
212                            {%- if ns_args.found_first %},{% endif -%}
213                            {%- set ns_args.found_first = true -%}
214                            {{- key -}}:{{- format_argument(value, escape_keys=False) -}}
215                        {%- endfor -%}
216                    {%- elif function['arguments'] is string -%}
217                        {{- function['arguments'] -}}
218                    {%- endif -%}
219                    {{- '}<tool_call|>' -}}
220                {%- endfor -%}
221                {%- set ns.prev_message_type = 'tool_call' -%}
222            {%- endif -%}
223
224            {%- if message['tool_responses'] -%}
225                {#- Tool Response handling -#}
226                {%- for tool_response in message['tool_responses'] -%}
227                    {{- '<|tool_response>' -}}
228                    {%- if tool_response['response'] is mapping -%}
229                        {{- 'response:' + tool_response['name'] | default('unknown') + '{' -}}
230                        {%- for key, value in tool_response['response'] | dictsort -%}
231                            {{- key -}}:{{- format_argument(value, escape_keys=False) -}}
232                            {%- if not loop.last %},{% endif -%}
233                        {%- endfor -%}
234                        {{- '}' -}}
235                    {%- else -%}
236                        {{- 'response:' + tool_response['name'] | default('unknown') + '{value:' + format_argument(tool_response['response'], escape_keys=False) + '}' -}}
237                    {%- endif -%}
238                    {{- '<tool_response|>' -}}
239                {%- endfor -%}
240                {%- set ns.prev_message_type = 'tool_response' -%}
241            {%- endif -%}
242
243            {%- if message['content'] is string -%}
244                {%- if role == 'model' -%}
245                    {{- strip_thinking(message['content']) -}}
246                {%- else -%}
247                    {{- message['content'] | trim -}}
248                {%- endif -%}
249            {%- elif message['content'] is sequence -%}
250                {%- for item in message['content'] -%}
251                    {%- if item['type'] == 'text' -%}
252                        {%- if role == 'model' -%}
253                            {{- strip_thinking(item['text']) -}}
254                        {%- else -%}
255                            {{- item['text'] | trim -}}
256                        {%- endif -%}
257                    {%- elif item['type'] == 'image' -%}
258                        {{- '<|image|>' -}}
259                        {%- set ns.prev_message_type = 'image' -%}
260                    {%- elif item['type'] == 'audio' -%}
261                        {{- '<|audio|>' -}}
262                        {%- set ns.prev_message_type = 'audio' -%}
263                    {%- elif item['type'] == 'video' -%}
264                        {{- '<|video|>' -}}
265                        {%- set ns.prev_message_type = 'video' -%}
266                    {%- endif -%}
267                {%- endfor -%}
268            {%- endif -%}
269
270        {%- if not (message['tool_responses'] and not message['content']) -%}
271            {{- '<turn|>\n' -}}
272        {%- endif -%}
273{%- endfor -%}
274
275{%- if add_generation_prompt -%}
276    {%- if ns.prev_message_type != 'tool_response' -%}
277        {{- '<|turn>model\n' -}}
278    {%- endif -%}
279    {%- if not enable_thinking | default(false) -%}
280        {{- '<|channel>thought\n<channel|>' -}}
281    {%- endif -%}
282{%- endif -%}