Class: SmartPrompt::Engine

Inherits:
Object
  • Object
show all
Defined in:
lib/smart_prompt/engine.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config_file) ⇒ Engine

Returns a new instance of Engine.



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# File 'lib/smart_prompt/engine.rb', line 10

def initialize(config_file)
  @config_file = config_file
  @adapters = {}
  @llms = {}
  @models = {}
  @templates = {}
  @current_workers = {}
  @history_messages = []
  @history_manager = nil
  @system_message_transformer = nil
  load_config(config_file)
  SmartPrompt.logger.info "Started create the SmartPrompt engine."
  @stream_proc = Proc.new do |chunk, _bytesize|
    if @stream_response.empty?
      @stream_response["id"] = chunk["id"]
      @stream_response["object"] = chunk["object"]
      @stream_response["created"] = chunk["created"]
      @stream_response["model"] = chunk["model"]
      @stream_response["choices"] = [{
        "index" => 0,
        "message" => {
          "role" => "assistant",
          "content" => "",
          "reasoning_content" => "",
          "tool_calls" => [],
        },
      }]
      @stream_response["usage"] = chunk["usage"]
      @stream_response["system_fingerprint"] = chunk["system_fingerprint"]
    end
    if chunk.dig("choices", 0, "delta", "reasoning_content")
      @stream_response["choices"][0]["message"]["reasoning_content"] += chunk.dig("choices", 0, "delta", "reasoning_content")
    end
    if chunk.dig("choices", 0, "delta", "content")
      @stream_response["choices"][0]["message"]["content"] += chunk.dig("choices", 0, "delta", "content")
    end
    if chunk_tool_calls = chunk.dig("choices", 0, "delta", "tool_calls")
      chunk_tool_calls.each do |tool_call|
        if @stream_response["choices"][0]["message"]["tool_calls"].size > tool_call["index"]
          @stream_response["choices"][0]["message"]["tool_calls"][tool_call["index"]]["function"]["arguments"] += tool_call["function"]["arguments"]
        else
          @stream_response["choices"][0]["message"]["tool_calls"] << tool_call
        end
      end
    end
    @origin_proc.call(chunk, _bytesize)
  end
end

Instance Attribute Details

#adapters ⇒ Object (readonly)

Returns the value of attribute adapters.



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# File 'lib/smart_prompt/engine.rb', line 3

def adapters
  @adapters
end

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/smart_prompt/engine.rb', line 3

def config
  @config
end

#config_file ⇒ Object (readonly)

Returns the value of attribute config_file.



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# File 'lib/smart_prompt/engine.rb', line 3

def config_file
  @config_file
end

#current_adapter ⇒ Object (readonly)

Returns the value of attribute current_adapter.



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# File 'lib/smart_prompt/engine.rb', line 3

def current_adapter
  @current_adapter
end

#history_manager ⇒ Object (readonly)

Returns the value of attribute history_manager.



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# File 'lib/smart_prompt/engine.rb', line 4

def history_manager
  @history_manager
end

#llms ⇒ Object (readonly)

Returns the value of attribute llms.



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# File 'lib/smart_prompt/engine.rb', line 3

def llms
  @llms
end

#models ⇒ Object (readonly)

Returns the value of attribute models.



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# File 'lib/smart_prompt/engine.rb', line 3

def models
  @models
end

#stream_response ⇒ Object (readonly)

Returns the value of attribute stream_response.



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# File 'lib/smart_prompt/engine.rb', line 4

def stream_response
  @stream_response
end

#system_message_transformer ⇒ Object

Optional callable applied to every system message in Conversation#sys_msg. Lets an embedding application inject its own system-prompt policy (e.g. a native tool-call protocol) without monkey-patching WorkerContext.



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# File 'lib/smart_prompt/engine.rb', line 8

def system_message_transformer
  @system_message_transformer
end

#templates ⇒ Object (readonly)

Returns the value of attribute templates.



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# File 'lib/smart_prompt/engine.rb', line 3

def templates
  @templates
end

Instance Method Details

#call_worker(worker_name, params = {}) ⇒ Object 



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# File 'lib/smart_prompt/engine.rb', line 126

def call_worker(worker_name, params = {})
  SmartPrompt.logger.info "Calling worker: #{worker_name} with params: #{params}"
  worker = get_worker(worker_name)
  begin
    unless params[:with_history]
      if worker.conversation
        worker.conversation.messages.clear
      end
    end
    result = worker.execute(params)
    SmartPrompt.logger.info "Worker #{worker_name} executed successfully"
    if result.class == String
      recive_message = {
        "role": "assistant",
        "content": sanitize_history_content(result),
      }
    elsif result.class == Array
      recive_message = nil
    else
      recive_message = assistant_history_message(result)
    end
    worker.conversation.add_message(recive_message) if recive_message
    SmartPrompt.logger.info "Worker result is: #{result}"
    result
  rescue => e
    SmartPrompt.logger.error "Error executing worker #{worker_name}: #{e.message}"
    SmartPrompt.logger.debug e.backtrace.join("\n")
    raise
  end
end

#call_worker_by_stream(worker_name, params = {}, &proc) ⇒ Object 



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# File 'lib/smart_prompt/engine.rb', line 157

def call_worker_by_stream(worker_name, params = {}, &proc)
  SmartPrompt.logger.info "Calling worker: #{worker_name} with params: #{params}"
  worker = get_worker(worker_name)
  begin
    @origin_proc = proc
    @stream_response = {}
    ret = worker.execute_by_stream(params, &@stream_proc)
    @stream_response = ret if @stream_response.empty?
    SmartPrompt.logger.info "Worker #{worker_name} executed(stream) successfully"
    SmartPrompt.logger.info "Worker #{worker_name} stream response is: #{@stream_response}"
  rescue => e
    SmartPrompt.logger.error "Error executing worker #{worker_name}: #{e.message}"
    SmartPrompt.logger.debug e.backtrace.join("\n")
    raise
  end
end

#check_worker(worker_name) ⇒ Object 



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# File 'lib/smart_prompt/engine.rb', line 117

def check_worker(worker_name)
  if SmartPrompt::Worker.workers[worker_name]
    return true
  else
    SmartPrompt.logger.warn "Invalid worker: #{worker_name}"
    return false
  end
end

#clear_history_messages ⇒ Object 



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# File 'lib/smart_prompt/engine.rb', line 190

def clear_history_messages
  if @history_manager
    SmartPrompt.logger.warn "[DEPRECATED] Engine#clear_history_messages is deprecated. Use history_manager.clear_session(session_id) instead."
  end
  @history_messages = []
end

#create_dir(filename) ⇒ Object 



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# File 'lib/smart_prompt/engine.rb', line 59

def create_dir(filename)
  path = File::path(filename).to_s
  parent_dir = File::dirname(path)
  Dir.mkdir(parent_dir, 0755) unless File.directory?(parent_dir)
end

#get_worker(worker_name) ⇒ Object 



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# File 'lib/smart_prompt/engine.rb', line 174

def get_worker(worker_name)
  SmartPrompt.logger.info "Creating worker instance for: #{worker_name}"
  unless worker = @current_workers[worker_name]
    worker = Worker.new(worker_name, self)
    @current_workers[worker_name] = worker
  end
  return worker
end

#history_messages ⇒ Object 



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# File 'lib/smart_prompt/engine.rb', line 183

def history_messages
  if @history_manager
    SmartPrompt.logger.warn "[DEPRECATED] Engine#history_messages is deprecated. Use history_manager.get_context(session_id) instead."
  end
  @history_messages
end

#load_config(config_file) ⇒ Object 



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# File 'lib/smart_prompt/engine.rb', line 65

def load_config(config_file)
  begin
    @config_file = config_file
    @config = YAML.load_file(config_file)
    if @config["logger_file"]
      create_dir(@config["logger_file"])
      SmartPrompt.logger = Logger.new(@config["logger_file"])
    end
    SmartPrompt.logger.info "Loading configuration from file: #{config_file}"
    @models = @config["models"] || {}
    @config["adapters"].each do |adapter_name, adapter_class|
      adapter_class = SmartPrompt.const_get(adapter_class)
      @adapters[adapter_name] = adapter_class
    end
    @config["llms"].each do |llm_name, llm_config|
      adapter_class = @adapters[llm_config["adapter"]]
      @llms[llm_name] = adapter_class.new(llm_config)
    end
    @current_llm = @config["default_llm"] if @config["default_llm"]
    Dir.glob(File.join(@config["template_path"], "*.erb")).each do |file|
      template_name = file.gsub(@config["template_path"] + "/", "").gsub("\.erb", "")
      @templates[template_name] = PromptTemplate.new(file)
    end

    # Initialize HistoryManager if configured
    if @config["history"]
      history_config = symbolize_keys(@config["history"])
      @history_manager = HistoryManager.new(history_config)
      SmartPrompt.logger.info "HistoryManager initialized with configuration"
    end

    load_workers
  rescue Psych::SyntaxError => ex
    SmartPrompt.logger.error "YAML syntax error in config file: #{ex.message}"
    raise ConfigurationError, "Invalid YAML syntax in config file: #{ex.message}"
  rescue Errno::ENOENT => ex
    SmartPrompt.logger.error "Config file not found: #{ex.message}"
    raise ConfigurationError, "Config file not found: #{ex.message}"
  rescue StandardError => ex
    SmartPrompt.logger.error "Error loading configuration: #{ex.message}"
    raise ConfigurationError, "Error loading configuration: #{ex.message}"
  ensure
    SmartPrompt.logger.info "Configuration loaded successfully"
  end
end

#load_workers ⇒ Object 



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# File 'lib/smart_prompt/engine.rb', line 111

def load_workers
  Dir.glob(File.join(@config["worker_path"], "*.rb")).each do |file|
    require(file)
  end
end