98 lines
2.8 KiB
Ruby
98 lines
2.8 KiB
Ruby
# frozen_string_literal: true
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module DiscourseAi
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module Summarization
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module Models
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class Anthropic < Base
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def display_name
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"Anthropic's #{model}"
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end
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def correctly_configured?
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SiteSetting.ai_anthropic_api_key.present?
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end
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def configuration_hint
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I18n.t(
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"discourse_ai.summarization.configuration_hint",
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count: 1,
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setting: "ai_anthropic_api_key",
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)
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end
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def concatenate_summaries(summaries)
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instructions = <<~TEXT
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Human: Concatenate the following disjoint summaries inside the given input tags, creating a cohesive narrative.
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Include only the summary inside <ai> tags.
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TEXT
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instructions += summaries.reduce("") { |m, s| m += "<input>#{s}</input>\n" }
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instructions += "Assistant:\n"
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completion(instructions)
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end
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def summarize_with_truncation(contents, opts)
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instructions = build_base_prompt(opts)
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text_to_summarize = contents.map { |c| format_content_item(c) }.join
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truncated_content = tokenizer.truncate(text_to_summarize, available_tokens)
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instructions += "<input>#{truncated_content}</input>\nAssistant:\n"
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completion(instructions)
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end
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def summarize_single(chunk_text, opts)
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summarize_chunk(chunk_text, opts.merge(single_chunk: true))
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end
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private
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def summarize_chunk(chunk_text, opts)
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completion(build_base_prompt(opts) + "<input>#{chunk_text}</input>\nAssistant:\n")
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end
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def build_base_prompt(opts)
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initial_instruction =
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if opts[:single_chunk]
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"Summarize the following forum discussion inside the given <input> tag, creating a cohesive narrative."
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else
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"Summarize the following forum discussion inside the given <input> tag."
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end
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base_prompt = <<~TEXT
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Human: #{initial_instruction}
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Include only the summary inside <ai> tags.
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TEXT
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if opts[:resource_path]
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base_prompt += "Try generating links as well the format is #{opts[:resource_path]}.\n"
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end
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base_prompt += "The discussion title is: #{opts[:content_title]}.\n" if opts[
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:content_title
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]
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base_prompt += "Don't use more than 400 words.\n" unless opts[:single_chunk]
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base_prompt
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end
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def completion(prompt)
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response =
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::DiscourseAi::Inference::AnthropicCompletions.perform!(prompt, model).dig(:completion)
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Nokogiri::HTML5.fragment(response).at("ai").text
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end
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def tokenizer
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DiscourseAi::Tokenizer::AnthropicTokenizer
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end
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attr_reader :max_tokens
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end
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end
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end
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end
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