python - 如何将 JSON 文件作为列表中的单独字符串而不是作为一个大列表读取

Question

我正在尝试读取如下所示的 JSON 文件。它们是推文的时间戳。当我用我的代码读入文件时，它作为一个大字符串出现。有没有办法让他们分开。当我使用 str.split() 时，它会分割所有内容。有没有一个可以让我加载或取出来使这个更容易

"Sat Aug 06 23:54:24 +0000 2016""Sat Aug 06 23:54:24 +0000 2016""Sat Aug 06 23:54:24 +0000 2016""Sat Aug 06 23:54:24 +0000 2016"

这是我的阅读方式

q = 'Trump'

twitter_stream = twitter.TwitterStream(auth=twitter_api.auth)

stream = twitter_stream.statuses.filter(track=q)

for tweet in stream:
    print (type(tweet))
    tweet = tweet['created_at']
    with open('dates.json', 'a') as outfile:
         json.dump(tweet, outfile, indent=4)

这是我目前正在尝试的方法

with open('dates.json', 'rb') as f:
    data = f.readlines()

我希望它们按日期分隔，这样我就可以将它们隐藏起来以制作时间序列图

编辑/更新:现在我有了这个，但是流只是不断地收集推文而不停止。如何让它停止收集推文并将 JSON 数据转储到文件中。无论是手动还是自动

q = 'Trump'

twitter_stream = twitter.TwitterStream(auth=twitter_api.auth)

stream = twitter_stream.statuses.filter(track=q)



dates = [tweet['created_at'] for tweet in stream]
with open('dates.json', 'a') as outfile:
     json.dump(dates, outfile, indent=4)

Answer 1

收集推文日期到列表中，然后转储一次:

dates = [tweet['created_at'] for tweet in stream]
with open('dates.json', 'a') as outfile:
     json.dump(dates, outfile, indent=4)

<小时/>

With this, how do I get it to stop streaming and dump into the file. Before since it was dumping tweet by tweet I would just restart the shell.

我认为你应该将理解扩展到常规循环并将其放入 try/finally 中:

dates = []
try:
    for tweet in stream:
       dates.append(tweet['created_at'])
finally:
    with open('dates.json', 'a') as outfile:
         json.dump(dates, outfile, indent=4)