class Seahorse::Client::Request

def close_managed_files
  [
    @context.http_request.body,
    @context.http_response.body,
  ].each do |io|
    io.close if io.is_a?(ManagedFile) && io.open?
  end
end

def initialize(handlers, context)
  @handlers = handlers
  @context = context
end

def send_request(options = {}, &block)
  set_response_target(options, &block)
  @handlers.to_stack.call(@context)
ensure
  close_managed_files
end

def set_response_target(options, &block)
  target = options[:target]
  target ||= block
  target ||= context.params.delete(:response_target)
  if target
    @context.http_response.body =
      case target
      when Proc then BlockIO.new(&target)
      when String, Pathname then ManagedFile.new(target, 'w+b')
      else target
    end
  end
end