69 lines
1.7 KiB
Ruby
69 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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module DiscourseAi
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module Completions
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module Dialects
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class Llama2Classic < Dialect
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class << self
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def can_translate?(model_name)
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%w[Llama2-*-chat-hf Llama2-chat-hf].include?(model_name)
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end
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def tokenizer
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DiscourseAi::Tokenizer::Llama2Tokenizer
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end
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end
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def translate
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messages = prompt.messages
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llama2_prompt =
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trim_messages(messages).reduce(+"") do |memo, msg|
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next(memo) if msg[:type] == :tool_call
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if msg[:type] == :system
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memo << (<<~TEXT).strip
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[INST]
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<<SYS>>
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#{msg[:content]}
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#{build_tools_prompt}
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<</SYS>>
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[/INST]
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TEXT
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elsif msg[:type] == :model
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memo << "\n#{msg[:content]}"
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elsif msg[:type] == :tool
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tool = JSON.parse(msg[:content], symbolize_names: true)
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memo << "\n[INST]\n"
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memo << (<<~TEXT).strip
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<function_results>
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<result>
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<tool_name>#{msg[:id]}</tool_name>
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<json>
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#{msg[:content]}
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</json>
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</result>
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</function_results>
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[/INST]
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TEXT
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else
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memo << "\n[INST]#{msg[:content]}[/INST]"
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end
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memo
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end
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llama2_prompt << "\n" if llama2_prompt.ends_with?("[/INST]")
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llama2_prompt
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end
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def max_prompt_tokens
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SiteSetting.ai_hugging_face_token_limit
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end
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end
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end
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end
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end
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