|
"chat_template": "{%- if messages[0]['role'] == 'system' %}\n {%- set system_message = messages[0]['content'] %}\n {%- set loop_messages = messages[1:] %}\n{%- else %}\n {%- set loop_messages = messages %}\n{%- endif %}\n\n{{- bos_token }}\n{%- for message in loop_messages %}\n {%- if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}\n {{- raise_exception('After the optional system message, conversation roles must alternate user/assistant/user/assistant/...') }}\n {%- endif %}\n {%- if message['role'] == 'user' %}\n {%- if loop.last and system_message is defined %}\n {{- '[INST]' + system_message + '\\n\\n' }}\n {%- else %}\n {{- '[INST]' }}\n {%- endif %}\n {%- if message['content'] is not string %}\n {%- for chunk in message['content'] %}\n {%- if chunk['type'] == 'text' %}\n {{- chunk['text'] }}\n {%- elif chunk['type'] == 'image' %}\n {{- '[IMG]' }}\n {%- else %}\n {{- raise_exception('Unrecognized content type!') }}\n {%- endif %}\n {%- endfor %}\n {%- else %}\n {{- message['content'] }}\n {%- endif %}\n {{- '[/INST]' }}\n {%- elif message['role'] == 'assistant' %}\n {{- message['content'][0]['text'] + eos_token}}\n {%- else %}\n {{- raise_exception('Only user and assistant roles are supported, with the exception of an initial optional system message!') }}\n {%- endif %}\n{%- endfor %}" |
