nathanles/RustyBender
023
1{%- macro format_parameters(properties, required, filter_keys=false) -%}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 not filter_keys or 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['type'] | upper == 'STRING' -%}15 {%- if value['enum'] -%}16 {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}17 enum:{{ format_argument(value['enum']) }}18 {%- endif -%}19 {%- elif value['type'] | upper == 'ARRAY' -%}20 {%- if value['items'] is mapping and value['items'] -%}21 {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}22 items:{23 {%- set ns_items = namespace(found_first=false) -%}24 {%- for item_key, item_value in value['items'] | dictsort -%}25 {%- if item_value is not none -%}26 {%- if ns_items.found_first %},{% endif -%}27 {%- set ns_items.found_first = true -%}28 {%- if item_key == 'properties' -%}29 properties:{30 {%- if item_value is mapping -%}31 {{- format_parameters(item_value, value['items']['required'] | default([])) -}}32 {%- endif -%}33 }34 {%- elif item_key == 'required' -%}35 required:[36 {%- for req_item in item_value -%}37 <|"|>{{- req_item -}}<|"|>38 {%- if not loop.last %},{% endif -%}39 {%- endfor -%}40 ]41 {%- elif item_key == 'type' -%}42 {%- if item_value is string -%}43 type:{{ format_argument(item_value | upper) }}44 {%- else -%}45 type:{{ format_argument(item_value | map('upper') | list) }}46 {%- endif -%}47 {%- else -%}48 {{ item_key }}:{{ format_argument(item_value) }}49 {%- endif -%}50 {%- endif -%}51 {%- endfor -%}52 }53 {%- endif -%}54 {%- endif -%}55 {%- if value['nullable'] %}56 {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}57 nullable:true58 {%- endif -%}59 {%- if value['type'] | upper == 'OBJECT' -%}60 {%- if value['properties'] is defined and value['properties'] is mapping -%}61 {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}62 properties:{63 {{- format_parameters(value['properties'], value['required'] | default([])) -}}64 }65 {%- elif value is mapping -%}66 {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}67 properties:{68 {{- format_parameters(value, value['required'] | default([]), filter_keys=true) -}}69 }70 {%- endif -%}71 {%- if value['required'] -%}72 {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}73 required:[74 {%- for item in value['required'] | default([]) -%}75 <|"|>{{- item -}}<|"|>76 {%- if not loop.last %},{% endif -%}77 {%- endfor -%}78 ]79 {%- endif -%}80 {%- endif -%}81 {%- if add_comma %},{%- else -%} {%- set add_comma = true -%} {% endif -%}82 type:<|"|>{{ value['type'] | upper }}<|"|>}83 {%- endif -%}84 {%- endfor -%}85{%- endmacro -%}86{%- macro format_function_declaration(tool_data) -%}87 declaration:{{- tool_data['function']['name'] -}}{description:<|"|>{{- tool_data['function']['description'] -}}<|"|>88 {%- set params = tool_data['function']['parameters'] -%}89 {%- if params -%}90 ,parameters:{91 {%- if params['properties'] -%}92 properties:{ {{- format_parameters(params['properties'], params['required']) -}} },93 {%- endif -%}94 {%- if params['required'] -%}95 required:[96 {%- for item in params['required'] -%}97 <|"|>{{- item -}}<|"|>98 {{- ',' if not loop.last -}}99 {%- endfor -%}100 ],101 {%- endif -%}102 {%- if params['type'] -%}103 type:<|"|>{{- params['type'] | upper -}}<|"|>}104 {%- endif -%}105 {%- endif -%}106 {%- if 'response' in tool_data['function'] -%}107 {%- set response_declaration = tool_data['function']['response'] -%}108 ,response:{109 {%- if response_declaration['description'] -%}110 description:<|"|>{{- response_declaration['description'] -}}<|"|>,111 {%- endif -%}112 {%- if response_declaration['type'] | upper == 'OBJECT' -%}113 type:<|"|>{{- response_declaration['type'] | upper -}}<|"|>}114 {%- endif -%}115 {%- endif -%}116 }117{%- endmacro -%}118{%- macro format_argument(argument, escape_keys=True) -%}119 {%- if argument is none -%}120 {{- 'null' -}}121 {%- elif argument is string -%}122 {{- '<|"|>' + argument + '<|"|>' -}}123 {%- elif argument is boolean -%}124 {{- 'true' if argument else 'false' -}}125 {%- elif argument is mapping -%}126 {{- '{' -}}127 {%- set ns = namespace(found_first=false) -%}128 {%- for key, value in argument | dictsort -%}129 {%- if ns.found_first %},{% endif -%}130 {%- set ns.found_first = true -%}131 {%- if escape_keys -%}132 {{- '<|"|>' + key + '<|"|>' -}}133 {%- else -%}134 {{- key -}}135 {%- endif -%}136 :{{- format_argument(value, escape_keys=escape_keys) -}}137 {%- endfor -%}138 {{- '}' -}}139 {%- elif argument is sequence -%}140 {{- '[' -}}141 {%- for item in argument -%}142 {{- format_argument(item, escape_keys=escape_keys) -}}143 {%- if not loop.last %},{% endif -%}144 {%- endfor -%}145 {{- ']' -}}146 {%- else -%}147 {{- argument -}}148 {%- endif -%}149{%- endmacro -%}150{%- macro strip_thinking(text) -%}151 {%- set ns = namespace(result='') -%}152 {%- for part in text.split('<channel|>') -%}153 {%- if '<|channel>' in part -%}154 {%- set ns.result = ns.result + part.split('<|channel>')[0] -%}155 {%- else -%}156 {%- set ns.result = ns.result + part -%}157 {%- endif -%}158 {%- endfor -%}159 {{- ns.result | trim -}}160{%- endmacro -%}161 162{%- macro format_tool_response_block(tool_name, response) -%}163 {{- '<|tool_response>' -}}164 {%- if response is mapping -%}165 {{- 'response:' + tool_name + '{' -}}166 {%- for key, value in response | dictsort -%}167 {{- key -}}:{{- format_argument(value, escape_keys=False) -}}168 {%- if not loop.last %},{% endif -%}169 {%- endfor -%}170 {{- '}' -}}171 {%- else -%}172 {{- 'response:' + tool_name + '{value:' + format_argument(response, escape_keys=False) + '}' -}}173 {%- endif -%}174 {{- '<tool_response|>' -}}175{%- endmacro -%}176 177{#- ===== SETUP ===== -#}178{%- set ns = namespace(prev_message_type=None, prev_non_tool_role=None) -%}179{%- set loop_messages = messages -%}180{%- set enable_thinking = enable_thinking | default(false) -%}181{%- set preserve_thinking = preserve_thinking | default(false) -%}182{{- bos_token -}}183{#- Handle System/Tool Definitions Block -#}184{%- if enable_thinking or tools or (messages and messages[0]['role'] in ['system', 'developer']) -%}185 {{- '<|turn>system\n' -}}186 {#- Inject Thinking token at the very top of the FIRST system turn -#}187 {%- if enable_thinking -%}188 {{- '<|think|>\n' -}}189 {%- set ns.prev_message_type = 'think' -%}190 {%- endif -%}191 {%- if messages and messages[0]['role'] in ['system', 'developer'] -%}192 {%- if messages[0]['content'] is string -%}193 {{- messages[0]['content'] | trim -}}194 {%- elif messages[0]['content'] is sequence -%}195 {%- for item in messages[0]['content'] -%}196 {{- item['text'] | trim + ' '-}}197 {%- endfor -%}198 {%- endif -%}199 {%- set loop_messages = messages[1:] -%}200 {%- endif -%}201 {%- if tools -%}202 {%- for tool in tools %}203 {{- '<|tool>' -}}204 {{- format_function_declaration(tool) | trim -}}205 {{- '<tool|>' -}}206 {%- endfor %}207 {%- set ns.prev_message_type = 'tool' -%}208 {%- endif -%}209 {{- '<turn|>\n' -}}210{%- endif %}211 212{#- Pre-scan: find last user message index for reasoning guard -#}213{%- set ns_turn = namespace(last_user_idx=-1) -%}214{%- for i in range(loop_messages | length) -%}215 {%- if loop_messages[i]['role'] == 'user' -%}216 {%- set ns_turn.last_user_idx = i -%}217 {%- endif -%}218{%- endfor -%}219 220{#- Loop through messages -#}221{%- for message in loop_messages -%}222 {%- if message['role'] != 'tool' -%}223 {%- set ns.prev_message_type = None -%}224 {%- set role = 'model' if message['role'] == 'assistant' else message['role'] -%}225 {#- Detect continuation using tracked state — O(1) instead of O(n) backward scan -#}226 {%- set continue_same_model_turn = (role == 'model' and ns.prev_non_tool_role == 'assistant') -%}227 {%- if not continue_same_model_turn -%}228 {{- '<|turn>' + role + '\n' }}229 230 {%- endif -%}231 232 {#- Render reasoning/reasoning_content as thinking channel -#}233 {%- set thinking_text = message.get('reasoning') or message.get('reasoning_content') -%}234 {%- set thinking_gate = (loop.index0 > ns_turn.last_user_idx) or (preserve_thinking and message.get('tool_calls')) -%}235 {%- if thinking_text and thinking_gate -%}236 {{- '<|channel>thought\n' + thinking_text + '\n<channel|>' -}}237 {%- endif -%}238 239 {%- if message.get('tool_calls') -%}240 {%- for tool_call in message.get('tool_calls') -%}241 {%- set function = tool_call['function'] -%}242 {{- '<|tool_call>call:' + function['name'] + '{' -}}243 {%- if function['arguments'] is mapping -%}244 {%- set ns_args = namespace(found_first=false) -%}245 {%- for key, value in function['arguments'] | dictsort -%}246 {%- if ns_args.found_first %},{% endif -%}247 {%- set ns_args.found_first = true -%}248 {{- key -}}:{{- format_argument(value, escape_keys=False) -}}249 {%- endfor -%}250 {%- elif function['arguments'] is none -%}251 {%- elif function['arguments'] is string -%}252 {#- Pre-serialized args (e.g. an OpenAI JSON string). We cannot JSON-parse253 portably in-template, so render non-fatally instead of erroring. Strip an254 outer {...} so it composes with the DSL braces rather than double-wrapping.255 Prefer passing arguments as a mapping for exact Gemma DSL. -#}256 {%- set argstr = function['arguments'] | trim -%}257 {%- if argstr[:1] == '{' and argstr[-1:] == '}' -%}258 {{- argstr[1:-1] -}}259 {%- else -%}260 {{- function['arguments'] -}}261 {%- endif -%}262 {%- endif -%}263 {{- '}<tool_call|>' -}}264 {%- endfor -%}265 {%- set ns.prev_message_type = 'tool_call' -%}266 {%- endif -%}267 268 {%- set ns_tr_out = namespace(flag=false) -%}269 {%- if message.get('tool_responses') -%}270 {#- Legacy: tool_responses embedded on the assistant message (Google/Gemma native) -#}271 {%- for tool_response in message.get('tool_responses') -%}272 {{- format_tool_response_block(tool_response['name'] | default('unknown', true), tool_response['response']) -}}273 {%- set ns_tr_out.flag = true -%}274 {%- set ns.prev_message_type = 'tool_response' -%}275 {%- endfor -%}276 {%- elif message.get('tool_calls') -%}277 {#- OpenAI Chat Completions: forward-scan consecutive role:tool messages -#}278 {%- set ns_tool_scan = namespace(stopped=false) -%}279 {%- for k in range(loop.index0 + 1, loop_messages | length) -%}280 {%- if ns_tool_scan.stopped -%}281 {%- elif loop_messages[k]['role'] != 'tool' -%}282 {%- set ns_tool_scan.stopped = true -%}283 {%- else -%}284 {%- set follow = loop_messages[k] -%}285 {#- Resolve tool_call_id to function name -#}286 {%- set ns_tname = namespace(name=follow.get('name') or 'unknown') -%}287 {%- for tc in message.get('tool_calls') -%}288 {%- if tc.get('id') == follow.get('tool_call_id') -%}289 {%- set ns_tname.name = tc['function']['name'] -%}290 {%- endif -%}291 {%- endfor -%}292 {#- Handle content as string or content-parts array -#}293 {%- set tool_body = follow.get('content') -%}294 {%- if tool_body is string -%}295 {{- format_tool_response_block(ns_tname.name, tool_body) -}}296 {%- elif tool_body is sequence and tool_body is not string -%}297 {%- set ns_txt = namespace(s='') -%}298 {%- for part in tool_body -%}299 {%- if part.get('type') == 'text' -%}300 {%- set ns_txt.s = ns_txt.s + (part.get('text') | default('')) -%}301 {%- endif -%}302 {%- endfor -%}303 {{- format_tool_response_block(ns_tname.name, ns_txt.s) -}}304 {%- for part in tool_body -%}305 {%- if part.get('type') in ['image', 'image_url'] -%}306 {{- '<|image|>' -}}307 {%- elif part.get('type') in ['audio', 'input_audio'] -%}308 {{- '<|audio|>' -}}309 {%- elif part.get('type') == 'video' -%}310 {{- '<|video|>' -}}311 {%- endif -%}312 {%- endfor -%}313 {%- else -%}314 {{- format_tool_response_block(ns_tname.name, tool_body) -}}315 {%- endif -%}316 {%- set ns_tr_out.flag = true -%}317 {%- set ns.prev_message_type = 'tool_response' -%}318 {%- endif -%}319 {%- endfor -%}320 {%- endif -%}321 322 {%- set captured_content -%}323 {%- if message.get('content') is string -%}324 {%- if role == 'model' -%}325 {{- strip_thinking(message['content']) -}}326 {%- else -%}327 {{- message['content'] | trim -}}328 {%- endif -%}329 {%- elif message.get('content') is sequence -%}330 {%- for item in message['content'] -%}331 {%- if item.get('type') == 'text' -%}332 {%- if role == 'model' -%}333 {{- strip_thinking(item['text']) -}}334 {%- else -%}335 {{- item['text'] | trim -}}336 {%- endif -%}337 {%- elif item.get('type') in ['image', 'image_url'] -%}338 {{- '<|image|>' -}}339 {%- elif item.get('type') in ['audio', 'input_audio'] -%}340 {{- '<|audio|>' -}}341 {%- elif item.get('type') == 'video' -%}342 {{- '<|video|>' -}}343 {%- endif -%}344 {%- endfor -%}345 {%- endif -%}346 {%- endset -%}347 348 {{- captured_content -}}349 {%- set has_content = captured_content | trim | length > 0 -%}350 351 {#- Forward-scan: find next non-tool message role for continuation detection -#}352 {%- set next_nt = namespace(role=None, found=false) -%}353 {%- for j in range(loop.index0 + 1, loop_messages | length) -%}354 {%- if not next_nt.found -%}355 {%- if loop_messages[j]['role'] != 'tool' -%}356 {%- set next_nt.role = loop_messages[j]['role'] -%}357 {%- set next_nt.found = true -%}358 {%- endif -%}359 {%- endif -%}360 {%- endfor -%}361 362 {%- set continues_into_next = (363 role == 'model'364 and next_nt.role == 'assistant'365 and (not message.get('tool_calls') or ns_tr_out.flag)366 ) -%}367 368 {%- if ns.prev_message_type == 'tool_call' and not ns_tr_out.flag -%}369 {{- '<|tool_response>' -}}370 {%- elif continues_into_next -%}371 {%- elif not (ns_tr_out.flag and not has_content and not next_nt.found) -%}372 {{- '<turn|>\n' -}}373 {%- endif -%}374 375 {#- Track previous non-tool role for next iteration (avoids O(n) backward scan) -#}376 {%- set ns.prev_non_tool_role = message['role'] -%}377 {%- endif -%}378{%- endfor -%}379 380{%- if add_generation_prompt -%}381 {%- if ns.prev_message_type != 'tool_response' and ns.prev_message_type != 'tool_call' -%}382 {{- '<|turn>model\n' -}}383 {%- if not enable_thinking -%}384 {{- '<|channel>thought\n<channel|>' -}}385 {%- endif -%}386 {%- elif ns.prev_message_type == 'tool_response' and enable_thinking -%}387 {{- '<|channel>thought\n' -}}388 {%- endif -%}389{%- endif -%}390 