Rate limit exceeded based on Twitter wiki

find_ids.rb

  def find_friend_ids(client, uid)
    uid = uid.to_i
    following_ids = Thread.new { client.friend_ids(uid) }
    follower_ids = Thread.new { client.follower_ids(uid) }

    TwitterHelper.handle_rate_limit { following_ids.value.to_a } &
    TwitterHelper.handle_rate_limit { follower_ids.value.to_a }
  end

twitter_helper.rb

class TwitterHelper
  class << self
    MAX_ATTEMPTS = 3

    def handle_rate_limit
      num_attempts = 0
      begin
        num_attempts += 1
        yield if block_given?
      rescue Twitter::Error::TooManyRequests => error
        if num_attempts <= MAX_ATTEMPTS
          p num_attempts, error.rate_limit.reset_in
          sleep error.rate_limit.reset_in + 1
          retry
        else
          raise
        end
      end
    end
    
  end
end