Class: DSPy::LM::OpenAIAdapter

Inherits:
Adapter
  • Object
show all
Defined in:
lib/dspy/lm/adapters/openai_adapter.rb

Instance Attribute Summary

Attributes inherited from Adapter

#api_key, #model

Instance Method Summary collapse

Constructor Details

#initialize(model:, api_key:) ⇒ OpenAIAdapter

Returns a new instance of OpenAIAdapter.



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# File 'lib/dspy/lm/adapters/openai_adapter.rb', line 8

def initialize(model:, api_key:)
  super
  @client = OpenAI::Client.new(api_key: api_key)
end

Instance Method Details

#chat(messages:, &block) ⇒ Object 



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# File 'lib/dspy/lm/adapters/openai_adapter.rb', line 13

def chat(messages:, &block)
  request_params = {
    model: model,
    messages: normalize_messages(messages),
    temperature: 0.0 # DSPy default for deterministic responses
  }

  # Add streaming if block provided
  if block_given?
    request_params[:stream] = proc do |chunk, _bytesize|
      block.call(chunk) if chunk.dig("choices", 0, "delta", "content")
    end
  end

  begin
    response = @client.chat.completions.create(**request_params)
    
    if response.respond_to?(:error) && response.error
      raise AdapterError, "OpenAI API error: #{response.error}"
    end

    content = response.choices.first.message.content
    usage = response.usage

    Response.new(
      content: content,
      usage: usage.respond_to?(:to_h) ? usage.to_h : usage,
      metadata: {
        provider: 'openai',
        model: model,
        response_id: response.id,
        created: response.created
      }
    )
  rescue => e
    raise AdapterError, "OpenAI adapter error: #{e.message}"
  end
end