Class: Net::Llm::Ollama

Inherits:
Object
  • Object
show all
Defined in:
lib/net/llm/ollama.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host: ENV.fetch("OLLAMA_HOST", "localhost:11434"), model: "gpt-oss", http: Net::Llm.http) ⇒ Ollama

Returns a new instance of Ollama.



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# File 'lib/net/llm/ollama.rb', line 8

def initialize(host: ENV.fetch("OLLAMA_HOST", "localhost:11434"), model: "gpt-oss", http: Net::Llm.http)
  @host = host
  @model = model
  @http = http
end

Instance Attribute Details

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/net/llm/ollama.rb', line 6

def host
  @host
end

#http ⇒ Object (readonly)

Returns the value of attribute http.



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# File 'lib/net/llm/ollama.rb', line 6

def http
  @http
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/net/llm/ollama.rb', line 6

def model
  @model
end

Instance Method Details

#chat(messages, tools = [], &block) ⇒ Object 



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# File 'lib/net/llm/ollama.rb', line 14

def chat(messages, tools = [], &block)
  payload = { model: model, messages: messages, stream: block_given? }
  payload[:tools] = tools unless tools.empty?

  execute(build_url("/api/chat"), payload, &block)
end

#embeddings(input) ⇒ Object 



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# File 'lib/net/llm/ollama.rb', line 74

def embeddings(input)
  post_request(build_url("/api/embed"), { model: model, input: input })
end

#fetch(messages, tools = [], &block) ⇒ Object 



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# File 'lib/net/llm/ollama.rb', line 21

def fetch(messages, tools = [], &block)
  content = ""
  thinking = ""
  tool_calls = []

  if block_given?
    chat(messages, tools) do |chunk|
      msg = chunk["message"] || {}
      delta_content = msg["content"]
      delta_thinking = msg["thinking"]

      content += delta_content if delta_content
      thinking += delta_thinking if delta_thinking
      tool_calls += normalize_tool_calls(msg["tool_calls"]) if msg["tool_calls"]

      if chunk["done"]
        block.call({
          type: :complete,
          content: content,
          thinking: thinking.empty? ? nil : thinking,
          tool_calls: tool_calls,
          stop_reason: map_stop_reason(chunk["done_reason"])
        })
      else
        block.call({
          type: :delta,
          content: delta_content,
          thinking: delta_thinking,
          tool_calls: nil
        })
      end
    end
  else
    result = chat(messages, tools)
    msg = result["message"] || {}
    {
      type: :complete,
      content: msg["content"],
      thinking: msg["thinking"],
      tool_calls: normalize_tool_calls(msg["tool_calls"]),
      stop_reason: map_stop_reason(result["done_reason"])
    }
  end
end

#generate(prompt, &block) ⇒ Object 



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# File 'lib/net/llm/ollama.rb', line 66

def generate(prompt, &block)
  execute(build_url("/api/generate"), {
    model: model,
    prompt: prompt,
    stream: block_given?
  }, &block)
end

#show(name) ⇒ Object 



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# File 'lib/net/llm/ollama.rb', line 82

def show(name)
  post_request(build_url("/api/show"), { name: name })
end

#tags ⇒ Object 



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# File 'lib/net/llm/ollama.rb', line 78

def tags
  get_request(build_url("/api/tags"))
end