同时要求红宝石宝石朋友的Twitter速率限制打

问题描述：

我有麻烦打印出来的人，我在Twitter上跟随列表。这code供职于250，但现在失败，我以下320人。

I am having trouble printing out a list of people I am following on twitter. This code worked at 250, but fails now that I am following 320 people.

故障说明：的code请求超过Twitter的速率限制。在code睡用于重置极限所需的时间，然后再次尝试。

Failure Description: The code request exceeds twitter's rate limit. The code sleeps for the time required for the limit to reset, and then tries again.

我认为这是书面的方式，它只是不断重试同整个拒收的要求，而不是拿起它离开的地方。

I think the way it's written, it just keeps retrying the same entire rejectable request, rather than picking up where it left off.

MAX_ATTEMPTS = 3
num_attempts = 0
begin
    num_attempts += 1
    @client.friends.each do |user|
        puts "#{user.screen_name}"
    end
rescue Twitter::Error::TooManyRequests => error
    if num_attempts <= MAX_ATTEMPTS
        sleep error.rate_limit.reset_in
        retry
    else
        raise
    end
end

谢谢！

答

以下code将返回用户名的数组。绝大多数code被写的文章：http://workstuff.tumblr.com/post/4556238101/a-short-ruby-script-to-pull-your-twitter-followers-who

The following code will return an array of usernames. The vast majority of the code was written by the author of: http://workstuff.tumblr.com/post/4556238101/a-short-ruby-script-to-pull-your-twitter-followers-who

首先创建下面的定义。

def get_cursor_results(action, items, *args)
  result = []
  next_cursor = -1
  until next_cursor == 0
    begin
      t = @client.send(action, args[0], args[1], {:cursor => next_cursor})
      result = result + t.send(items)
      next_cursor = t.next_cursor
    rescue Twitter::Error::TooManyRequests => error
      puts "Rate limit error, sleeping for #{error.rate_limit.reset_in} seconds...".color(:yellow)
      sleep error.rate_limit.reset_in
      retry
    end
  end
  return result  
end

使用以下两行第二收集您的Twitter好友

friends = get_cursor_results('friends', 'users', 'twitterusernamehere')
screen_names = friends.collect{|x| x.screen_name}

同时要求红宝石宝石朋友的Twitter速率限制打

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