Class: Kreator::Providers::Anthropic

Inherits:
Base
  • Object
show all
Defined in:
lib/kreator/providers/anthropic.rb

Constant Summary collapse

DEFAULT_BASE_URL = 
"https://api.anthropic.com/v1"
DEFAULT_VERSION = 
"2023-06-01"

Constants inherited from Base

Base::DEFAULT_MAX_RETRIES, Base::TRANSIENT_HTTP_STATUSES

Instance Attribute Summary

Attributes inherited from Base

#api_key, #base_url, #max_retries, #name

Instance Method Summary collapse

Constructor Details

#initialize(api_key: ENV.fetch("ANTHROPIC_API_KEY", nil), base_url: ENV.fetch("ANTHROPIC_BASE_URL", DEFAULT_BASE_URL), max_retries: DEFAULT_MAX_RETRIES) ⇒ Anthropic

Returns a new instance of Anthropic.

Raises:



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# File 'lib/kreator/providers/anthropic.rb', line 9

def initialize(api_key: ENV.fetch("ANTHROPIC_API_KEY", nil), base_url: ENV.fetch("ANTHROPIC_BASE_URL", DEFAULT_BASE_URL), max_retries: DEFAULT_MAX_RETRIES)
  raise Error, "ANTHROPIC_API_KEY is required for the anthropic provider" if api_key.to_s.empty?

  super(api_key: api_key, base_url: base_url, name: "anthropic", max_retries: max_retries)
end

Instance Method Details

#capabilities(model) ⇒ Object 



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# File 'lib/kreator/providers/anthropic.rb', line 31

def capabilities(model)
  super.merge(
    "vision" => model.to_s.match?(/claude/),
    "reasoning" => model.to_s.match?(/opus|sonnet-4|3-7/),
    "context_window" => 200_000
  )
end

#stream(messages:, tools:, system_prompt:, model:, signal:) ⇒ Object 



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# File 'lib/kreator/providers/anthropic.rb', line 15

def stream(messages:, tools:, system_prompt:, model:, signal:, &)
  body = anthropic_stream_body(messages, tools, system_prompt, model)
  stream_state = {
    content_blocks: {},
    emitted_model_output: false
  }

  begin
    stream_anthropic_events(body, signal, stream_state, &)
  rescue Providers::Error
    raise if stream_state.fetch(:emitted_model_output)

    complete_once(body.merge(stream: false), &)
  end
end