File size: 14,264 Bytes
1b8b8cd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 | {#- Default system message if no system prompt is passed. #}
{%- set default_system_message = '' %}
{#- Begin of sequence token. #}
{{- bos_token }}
{#- Handle system prompt if it exists. #}
{%- set loop_messages = messages %}
{%- if messages[0]['role'] != 'system' and default_system_message != '' %}
{{- '[SYSTEM_PROMPT]' ~ default_system_message ~ '[/SYSTEM_PROMPT]' }}
{%- endif %}
{#- Tools and model settings definition #}
{%- set available_tools = '' %}
{%- set has_tools = false %}
{%- if tools is defined and tools is not none and tools|length > 0 %}
{%- set has_tools = true %}
{%- set available_tools = '[AVAILABLE_TOOLS]' ~ (tools| tojson) ~ '[/AVAILABLE_TOOLS]' %}
{%- endif %}
{%- set json_schema = none %}
{%- if response_format is defined and response_format is not none %}
{%- set response_format_type = response_format.get('type', 'text') %}
{%- set response_json_schema = response_format.get('json_schema') %}
{%- if response_format_type not in ['text', 'json_object', 'json_schema'] %}
{{- raise_exception('Response format type must be one of text, json_object or json_schema, got ' ~ response_format_type ~ '.') }}
{%- elif response_format_type == 'json_schema' %}
{%- if response_json_schema is none or response_json_schema.get('schema') is none %}
{{- raise_exception('Response format `json_schema` must define the schema') }}
{%- else %}
{%- set json_schema = response_json_schema['schema'] %}
{%- endif %}
{%- elif response_format_type == 'json_object' %}
{%- set json_schema = {'anyOf': [{'type': 'object'}, {'type': 'array'}]} %}
{%- endif %}
{%- endif %}
{%- if reasoning_effort is not defined or reasoning_effort is none %}
{%- set reasoning_effort = 'high' %}
{%- endif %}
{%- if reasoning_effort not in ['low', 'medium', 'high'] %}
{{- raise_exception('reasoning_effort must be one of "low", "medium", "high"') }}
{%- endif %}
{%- set model_settings_parts = [] %}
{%- if json_schema is not none %}
{%- set model_settings_parts = model_settings_parts + ['"json_schema": ' ~ (json_schema|tojson)] %}
{%- endif %}
{%- set model_settings_parts = model_settings_parts + ['"reasoning_effort": "' ~ reasoning_effort ~ '"'] %}
{%- set model_settings = '' %}
{%- if model_settings_parts %}
{%- set model_settings = '[MODEL_SETTINGS]{' ~ model_settings_parts|join(', ') ~ '}[/MODEL_SETTINGS]' %}
{%- endif %}
{#- Macros #}
{%- macro render_content(content, context_name, supported_types_desc, support_thinking, support_images) -%}
{%- if content is string -%}
{{- content -}}
{%- elif content -%}
{%- for block in content -%}
{%- if block['type'] == 'text' -%}
{{- block['text'] -}}
{%- elif support_thinking and block['type'] == 'thinking' -%}
{{- '[THINK]' ~ block['thinking'] -}}
{%- if block.get('closed', true) -%}{{- '[/THINK]' -}}{%- endif -%}
{%- elif support_images and block['type'] in ['image', 'image_url'] -%}
{{- '[IMG]' -}}
{%- else -%}
{{- raise_exception('Only ' ~ supported_types_desc ~ ' chunks are supported in ' ~ context_name ~ '.') -}}
{%- endif -%}
{%- endfor -%}
{%- else -%}
{{- raise_exception(context_name ~ ' must have non-empty content.') -}}
{%- endif -%}
{%- endmacro -%}
{#- Aggregate consecutive messages with the same role except system and tool. #}
{#- A sentinel message is appended so the last group gets flushed inside the loop. #}
{%- set ns_agg = namespace(messages=[], current_group=[], current_role=none) %}
{%- for message in loop_messages + [{'role': '__sentinel__'}] %}
{%- if message['role'] != ns_agg.current_role or message['role'] == 'system' or message['role'] == 'tool' %}
{%- if ns_agg.current_role == 'tool' %}
{%- set ns_agg.messages = ns_agg.messages + ns_agg.current_group %}
{%- elif ns_agg.current_role is not none %}
{%- set ns_c = namespace(text_parts=[], chunks=[], has_non_text=false, tool_calls=[]) %}
{%- for msg in ns_agg.current_group %}
{#- Convert reasoning / reasoning_content to a leading thinking chunk. #}
{%- set reasoning = msg.get('reasoning_content', msg.get('reasoning', none)) %}
{%- if reasoning is not none and reasoning != '' %}
{%- if msg['content'] is not none and msg['content'] is not string %}
{%- for block in msg['content'] %}
{%- if block['type'] == 'thinking' %}
{{- raise_exception('Message cannot have both thinking chunks in content and a top-level `reasoning` or `reasoning_content` field.') }}
{%- endif %}
{%- endfor %}
{%- endif %}
{%- set think_chunk = {'type': 'thinking', 'thinking': reasoning} %}
{%- if msg['content'] is string and msg['content'] != '' %}
{%- set new_content = [think_chunk, {'type': 'text', 'text': msg['content']}] %}
{%- elif msg['content'] is not none and msg['content'] is not string and msg['content'] | length > 0 %}
{%- set new_content = [think_chunk] + msg['content'] | list %}
{%- else %}
{%- set new_content = [think_chunk] %}
{%- endif %}
{%- if msg['tool_calls'] is defined and msg['tool_calls'] is not none %}
{%- set msg = {'role': msg['role'], 'content': new_content, 'tool_calls': msg['tool_calls']} %}
{%- else %}
{%- set msg = {'role': msg['role'], 'content': new_content} %}
{%- endif %}
{%- endif %}
{%- if msg['content'] is string %}
{%- set ns_c.text_parts = ns_c.text_parts + [msg['content']] %}
{%- elif msg['content'] is not none %}
{%- set ns_msg = namespace(msg_text_parts=[]) %}
{%- for block in msg['content'] %}
{%- if block['type'] == 'text' %}
{%- set ns_msg.msg_text_parts = ns_msg.msg_text_parts + [block['text']] %}
{%- else %}
{%- if ns_msg.msg_text_parts | length > 0 %}
{%- set ns_c.text_parts = ns_c.text_parts + [ns_msg.msg_text_parts | join('')] %}
{%- set ns_msg.msg_text_parts = [] %}
{%- endif %}
{%- if ns_c.text_parts | length > 0 %}
{%- set ns_c.chunks = ns_c.chunks + [{'type': 'text', 'text': ns_c.text_parts | join('\n\n')}] %}
{%- set ns_c.text_parts = [] %}
{%- endif %}
{%- set ns_c.chunks = ns_c.chunks + [block] %}
{%- set ns_c.has_non_text = true %}
{%- endif %}
{%- endfor %}
{%- if ns_msg.msg_text_parts | length > 0 %}
{%- set ns_c.text_parts = ns_c.text_parts + [ns_msg.msg_text_parts | join('')] %}
{%- endif %}
{%- endif %}
{%- if msg['tool_calls'] is defined and msg['tool_calls'] is not none %}
{%- set ns_c.tool_calls = ns_c.tool_calls + msg['tool_calls'] | list %}
{%- endif %}
{%- endfor %}
{%- if ns_c.has_non_text %}
{%- if ns_c.text_parts | length > 0 %}
{%- set ns_c.chunks = ns_c.chunks + [{'type': 'text', 'text': ns_c.text_parts | join('\n\n')}] %}
{%- endif %}
{%- set merged_content = ns_c.chunks %}
{%- else %}
{%- set merged_content = ns_c.text_parts | join('\n\n') %}
{%- endif %}
{%- if ns_c.tool_calls | length > 0 %}
{%- set ns_agg.messages = ns_agg.messages + [{'role': ns_agg.current_role, 'content': merged_content, 'tool_calls': ns_c.tool_calls}] %}
{%- else %}
{%- set ns_agg.messages = ns_agg.messages + [{'role': ns_agg.current_role, 'content': merged_content}] %}
{%- endif %}
{%- endif %}
{%- if message['role'] != '__sentinel__' %}
{%- set ns_agg.current_group = [message] %}
{%- set ns_agg.current_role = message['role'] %}
{%- endif %}
{%- else %}
{%- set ns_agg.current_group = ns_agg.current_group + [message] %}
{%- endif %}
{%- endfor %}
{%- set loop_messages = ns_agg.messages %}
{#- Validates message ordering. #}
{%- set ns = namespace(available_tools_and_settings_emitted=false) %}
{%- if loop_messages | length > 0 and loop_messages[0]['role'] not in ['user', 'system'] %}
{{- raise_exception('Conversation must start with a user or system message, got ' ~ loop_messages[0]['role'] ~ '.') }}
{%- endif %}
{%- set ns_order = namespace(previous_role=none) %}
{%- for message in loop_messages %}
{%- set current_role = message['role'] %}
{%- if ns_order.previous_role is not none %}
{%- if ns_order.previous_role == 'system' %}
{%- if current_role not in ['user', 'assistant', 'system'] %}
{{- raise_exception('Unexpected role \'' ~ current_role ~ '\' after role \'' ~ ns_order.previous_role ~ '\'') }}
{%- endif %}
{%- elif ns_order.previous_role == 'user' %}
{%- if current_role not in ['assistant', 'system', 'user'] %}
{{- raise_exception('Unexpected role \'' ~ current_role ~ '\' after role \'' ~ ns_order.previous_role ~ '\'') }}
{%- endif %}
{%- elif ns_order.previous_role == 'assistant' %}
{%- if current_role not in ['assistant', 'user', 'tool'] %}
{{- raise_exception('Unexpected role \'' ~ current_role ~ '\' after role \'' ~ ns_order.previous_role ~ '\'') }}
{%- endif %}
{%- elif ns_order.previous_role == 'tool' %}
{%- if current_role not in ['assistant', 'tool', 'user'] %}
{{- raise_exception('Unexpected role \'' ~ current_role ~ '\' after role \'' ~ ns_order.previous_role ~ '\'') }}
{%- endif %}
{%- endif %}
{%- endif %}
{%- set ns_order.previous_role = current_role %}
{%- endfor %}
{#- Handle conversation messages. #}
{%- for message in loop_messages %}
{#- User messages supports text, image and image_url content. #}
{%- if message['role'] == 'user' %}
{%- if not ns.available_tools_and_settings_emitted %}
{{- available_tools }}
{{- model_settings }}
{%- set ns.available_tools_and_settings_emitted = true %}
{%- endif %}
{%- if message['content'] is not string and message['content'] %}
{#- When content has exactly one image and one text block, put image first. #}
{%- if message['content'] | length == 2 and message['content'][0]['type'] == 'text' and message['content'][1]['type'] in ['image', 'image_url'] %}
{%- set blocks = [message['content'][1], message['content'][0]] %}
{%- else %}
{%- set blocks = message['content'] %}
{%- endif %}
{%- set user_content = blocks %}
{%- else %}
{%- set user_content = message['content'] %}
{%- endif %}
{{- '[INST]' -}}
{{- render_content(content=user_content, context_name='user message content', supported_types_desc='text, image and image_url', support_thinking=false, support_images=true) -}}
{{- '[/INST]' }}
{#- Assistant messages supports text and thinking content. #}
{%- elif message['role'] == 'assistant' %}
{%- if (message['content'] is none or message['content'] == '' or message['content']|length == 0) and (message['tool_calls'] is not defined or message['tool_calls'] is none or message['tool_calls']|length == 0) %}
{{- raise_exception('Assistant message must have a string or a list of chunks in content or a list of tool calls.') }}
{%- endif %}
{%- if message['content'] %}
{{- render_content(content=message['content'], context_name='assistant message contents', supported_types_desc='text and thinking', support_thinking=true, support_images=false) -}}
{%- endif %}
{%- if message['tool_calls'] is defined and message['tool_calls'] is not none and message['tool_calls']|length > 0 %}
{%- for tool in message['tool_calls'] %}
{{- '[TOOL_CALLS]' }}
{%- set name = tool['function']['name'] %}
{%- set arguments = tool['function']['arguments'] %}
{%- if arguments is not string %}
{%- set arguments = arguments|tojson|safe %}
{%- elif arguments == '' %}
{%- set arguments = '{}' %}
{%- endif %}
{{- name ~ '[ARGS]' ~ arguments }}
{%- endfor %}
{%- endif %}
{{- eos_token }}
{#- Tool messages (multimodal). #}
{%- elif message['role'] == 'tool' %}
{{- '[TOOL_RESULTS]' -}}
{{- render_content(content=message['content'], context_name='tool message contents', supported_types_desc='text and image', support_thinking=false, support_images=true) -}}
{{- '[/TOOL_RESULTS]' }}
{#- System messages. #}
{%- elif message['role'] == 'system' %}
{{- '[SYSTEM_PROMPT]' -}}
{{- render_content(content=message['content'], context_name='system message contents', supported_types_desc='text', support_thinking=false, support_images=false) -}}
{{- '[/SYSTEM_PROMPT]' -}}
{#- Raise exception for unsupported roles. #}
{%- else %}
{{- raise_exception('Only user, assistant, system and tool roles are supported, got ' ~ message['role'] ~ '.') }}
{%- endif %}
{%- endfor %}
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