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python - 如何使用 Tweepy 仅存储推文文本

转载 作者:行者123 更新时间:2023-12-01 01:27:08 27 4
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我正在看这个系列https://www.youtube.com/watch?v=wlnx-7cm4Gg&list=PL5tcWHG-UPH2zBfOz40HSzcGUPAVOOnu1这是关于使用 tweepy (python) 挖掘推文,该人将推文与所有内容(例如created_at、id、id_str、text)一起存储,然后他使用 pandas 中的 Dataframes 来仅存储文本。这种方式有效率吗?如何在 Json 文件中只存储“文本”而不​​存储所有其他详细信息?

代码:

ACCESS_TOKEN = "xxxxxxxxxxxxxxxxxxxxx"
ACCESS_TOKEN_SECRET = "xxxxxxxxxxxxxxxxxxxxxxxxx"
CONSUMER_KEY = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
CONSUMER_SECRET = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

import tweepy
import numpy as np
import pandas as pd
# import twitter_credentials

class TwitterAuthenticator():
def authenticate_twitter_app(self):
auth = tweepy.OAuthHandler(CONSUMER_KEY, CONSUMER_SECRET)
auth.set_access_token(ACCESS_TOKEN, ACCESS_TOKEN_SECRET)
return auth

class TwitterStreamer():
"""
Class for streaming and processing live tweets.
"""
def __init__(self):
self.twitter_authenticator = TwitterAuthenticator()
def stream_tweets(self, fetched_tweets_filename, hash_tag):
# This handles Twitter authetification and the connection to Twitter Streaming API
listener = TwitterListener(fetched_tweets_filename)
auth = self.twitter_authenticator.authenticate_twitter_app()
# api = tweepy.API(auth)


stream = tweepy.Stream(auth,listener)
stream.filter(track = hash_tag)


class TwitterListener(tweepy.StreamListener):
"""
This is a basic listener class that just prints received tweets to stdout.
"""

def __init__(self, fetched_tweets_filename):
self.fetched_tweets_filename = fetched_tweets_filename

def on_data(self, data):
try:
print(data)
with open(self.fetched_tweets_filename, 'a') as tf:
tf.write(data)
return True
except BaseException as e:
print("Error on_data %s" % str(e))
return True

def on_status(self, status):
print(status)

def on_error(self, status):
if status == 420:
# Returning False on_data method in case rate limit occurs.
return False
print(status)


# public_tweets = api.home_timeline()
# for tweet in public_tweets:
# print tweet.text

if __name__ == '__main__':
hash_tag = ["python"]
fetched_tweets_filename = "tweets.json"

twitter_streamer = TwitterStreamer()
twitter_streamer.stream_tweets(fetched_tweets_filename,hash_tag)

# print stream.text

存储在json文件中的推文:

{"created_at":"Sun Nov 04 18:43:59 +0000 2018","id":1059154305498972160,"id_str":"1059154305498972160","text":"RT @hmason: When you want to use a new algorithm that you don't deeply understand, the best approach is to implement it yourself to learn h\u2026","source":"\u003ca href=\"http:\/\/twitter.com\/download\/android\" rel=\"nofollow\"\u003eTwitter for Android\u003c\/a\u003e","truncated":false,"in_reply_to_status_id":null,"in_reply_to_status_id_str":null,"in_reply_to_user_id":null,"in_reply_to_user_id_str":null,"in_reply_to_screen_name":null,"user":{"id":14858491,"id_str":"14858491","name":"Alexandra Lemus","screen_name":"nankyoku","location":"M\u00e9xico","url":null,"description":"Transitioning into the Permanent Beta state...","translator_type":"none","protected":false,"verified":false,"followers_count":173,"friends_count":585,"listed_count":18,"favourites_count":658,"statuses_count":572,"created_at":"Wed May 21 16:35:49 +0000 2008","utc_offset":null,"time_zone":null,"geo_enabled":true,"lang":"es","contributors_enabled":false,"is_translator":false,"profile_background_color":"EDECE9","profile_background_image_url":"http:\/\/abs.twimg.com\/images\/themes\/theme3\/bg.gif","profile_background_image_url_https":"https:\/\/abs.twimg.com\/images\/themes\/theme3\/bg.gif","profile_background_tile":false,"profile_link_color":"088253","profile_sidebar_border_color":"D3D2CF","profile_sidebar_fill_color":"E3E2DE","profile_text_color":"634047","profile_use_background_image":true,"profile_image_url":"http:\/\/pbs.twimg.com\/profile_images\/378800000575875952\/f00390453684dd243d7ca95c69a05f74_normal.jpeg","profile_image_url_https":"https:\/\/pbs.twimg.com\/profile_images\/378800000575875952\/f00390453684dd243d7ca95c69a05f74_normal.jpeg","profile_banner_url":"https:\/\/pbs.twimg.com\/profile_banners\/14858491\/1381524599","default_profile":false,"default_profile_image":false,"following":null,"follow_request_sent":null,"notifications":null},"geo":null,"coordinates":null,"place":null,"contributors":null,"retweeted_status":{"created_at":"Sat Nov 03 17:36:24 +0000 2018","id":1058774912201035776,"id_str":"1058774912201035776","text":"When you want to use a new algorithm that you don't deeply understand, the best approach is to implement it yoursel\u2026 https:\/\/t.co\/9F7SmlGfyf","source":"\u003ca href=\"http:\/\/twitter.com\" rel=\"nofollow\"\u003eTwitter Web Client\u003c\/a\u003e","truncated":true,"in_reply_to_status_id":null,"in_reply_to_status_id_str":null,"in_reply_to_user_id":null,"in_reply_to_user_id_str":null,"in_reply_to_screen_name":null,"user":{"id":765548,"id_str":"765548","name":"Hilary Mason","screen_name":"hmason","location":"NYC","url":"http:\/\/www.hilarymason.com","description":"GM for Machine Learning at @Cloudera. Founder at @FastForwardLabs. Data Scientist in Residence at @accel. I \u2665 data and cheeseburgers.","translator_type":"none","protected":false,"verified":true,"followers_count":111311,"friends_count":1539,"listed_count":5276,"favourites_count":12049,"statuses_count":17602,"created_at":"Sun Feb 11 21:22:24 +0000 2007","utc_offset":null,"time_zone":null,"geo_enabled":false,"lang":"en","contributors_enabled":false,"is_translator":false,"profile_background_color":"000000","profile_background_image_url":"http:\/\/abs.twimg.com\/images\/themes\/theme1\/bg.png","profile_background_image_url_https":"https:\/\/abs.twimg.com\/images\/themes\/theme1\/bg.png","profile_background_tile":false,"profile_link_color":"282F8A","profile_sidebar_border_color":"87BC44","profile_sidebar_fill_color":"AB892B","profile_text_color":"000000","profile_use_background_image":true,"profile_image_url":"http:\/\/pbs.twimg.com\/profile_images\/948689418709323777\/sTBM3vG0_normal.jpg","profile_image_url_https":"https:\/\/pbs.twimg.com\/profile_images\/948689418709323777\/sTBM3vG0_normal.jpg","profile_banner_url":"https:\/\/pbs.twimg.com\/profile_banners\/765548\/1353033581","default_profile":false,"default_profile_image":false,"following":null,"follow_request_sent":null,"notifications":null},"geo":null,"coordinates":null,"place":null,"contributors":null,"is_quote_status":false,"extended_tweet":{"full_text":"When you want to use a new algorithm that you don't deeply understand, the best approach is to implement it yourself to learn how it works, and then use a library to benefit from robust code.\n\nHere's one article showing this with neural networks in Python: https:\/\/t.co\/3ehO86NFKI","display_text_range":[0,280],"entities":{"hashtags":[],"urls":[{"url":"https:\/\/t.co\/3ehO86NFKI","expanded_url":"https:\/\/towardsdatascience.com\/how-to-build-your-own-neural-network-from-scratch-in-python-68998a08e4f6","display_url":"towardsdatascience.com\/how-to-build-y\u2026","indices":[257,280]}],"user_mentions":[],"symbols":[]}},"quote_count":14,"reply_count":8,"retweet_count":290,"favorite_count":1019,"entities":{"hashtags":[],"urls":[{"url":"https:\/\/t.co\/9F7SmlGfyf","expanded_url":"https:\/\/twitter.com\/i\/web\/status\/1058774912201035776","display_url":"twitter.com\/i\/web\/status\/1\u2026","indices":[117,140]}],"user_mentions":[],"symbols":[]},"favorited":false,"retweeted":false,"possibly_sensitive":false,"filter_level":"low","lang":"en"},"is_quote_status":false,"quote_count":0,"reply_count":0,"retweet_count":0,"favorite_count":0,"entities":{"hashtags":[],"urls":[],"user_mentions":[{"screen_name":"hmason","name":"Hilary Mason","id":765548,"id_str":"765548","indices":[3,10]}],"symbols":[]},"favorited":false,"retweeted":false,"filter_level":"low","lang":"en","timestamp_ms":"1541357039223"}

如果问题不清楚,请注释掉,我会尝试编辑问题。

最佳答案

如果您只想将“文本”字段保存在 json 文件中,您可以调整 TwitterListener.on_data 方法的定义:

import json

def on_data(self, data):
try:
print(data)
with open(self.fetched_tweets_filename, 'a') as tf:
json_load = json.loads(data)
text = {'text': json_load['text']}
tf.write(json.dumps(text))
return True
except BaseException as e:
print("Error on_data %s" % str(e))
return True

公平警告,我没有安装/设置 tweepy,因此我只能使用您上面发布的 json 文件来测试上述代码的版本。如果您遇到任何错误,请告诉我,我会看看我能做什么。

关于python - 如何使用 Tweepy 仅存储推文文本,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53241521/

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