我正在使用脚本通过定义流监听器来使用tweedy模块来传输推文 .
import time
from tweepy import Stream
from tweepy import OAuthHandler
from tweepy.streaming import StreamListener
import io
ckey="*****"
consumer_secret="*****"
access_token_key="*****"
access_token_secret="*****"
start_time = time.time()
keyword_list = ['keyword']
class listener(StreamListener):
def __init__(self, start_time, time_limit=60):
self.time = start_time
self.limit = time_limit
self.tweet_data = []
def on_data(self, data):
saveFile = io.open('raw_tweets.json', 'a', encoding='utf-8')
while (time.time() - self.time) < self.limit:
try:
self.tweet_data.append(data)
return True
except BaseException, e:
print 'failed ondata,', str(e)
time.sleep(5)
pass
saveFile = io.open('raw_tweets.json', 'w', encoding='utf-8')
saveFile.write(u'[\n')
saveFile.write(','.join(self.tweet_data))
saveFile.write(u'\n]')
saveFile.close()
exit()
def on_error(self, status):
print statuses
auth = OAuthHandler(ckey, consumer_secret) #OAuth object
auth.set_access_token(access_token_key, access_token_secret)
twitterStream = Stream(auth, listener(start_time, time_limit=20))
twitterStream.filter(track=keyword_list, languages =['en'])
我收到这样的错误:
Traceback(最近一次调用最后一次):
在<module>中的第61行文件“search.py”
twitterStream.filter(track = keyword_list,languages = ['en'])
文件“/Library/Frameworks/Python.framework/Versions/2.7/bin/User/lib/python2.7/site-packages/tweepy/streaming.py”,
第430行,在过滤器self._start(async)文件“/Library/Frameworks/Python.framework/Versions/2.7/bin/User/lib/python2.7/site-packages/tweepy/streaming.py”,第346行,在_start self._run()文件“/Library/Frameworks/Python.framework/Versions/2.7/bin/User/lib/python2.7/site-packages/tweepy/streaming.py”,第286行,在_run引发异常TypeError:必须是unicode,而不是str
我想了解,但我无法弄清楚..你对此有什么想法吗?