Question posted in 
This is for tweepy. It says
TwitterClient not defined.
import re
import tweepy
from tweepy import OAuthHandler
from textblob import TextBlob
class TwitterClient(object):
'''
Generic Twitter Class for sentiment analysis.
'''
def __init__(self):
'''
Class constructor or initialization method.
'''
# keys and tokens from the Twitter Dev Console
consumer_key = 'remove'
consumer_secret = 'remove'
access_token = 'remove-remove'
access_token_secret = 'remove'
# attempt authentication
try:
# create OAuthHandler object
self.auth = OAuthHandler(consumer_key, consumer_secret)
# set access token and secret
self.auth.set_access_token(access_token, access_token_secret)
# create tweepy API object to fetch tweets
self.api = tweepy.API(self.auth)
except:
print("Error: Authentication Failed")
def clean_tweet(self, tweet):
'''
Utility function to clean tweet text by removing links, special characters
using simple regex statements.
'''
return ' '.join(re.sub("(@[A-Za-z0-9]+)|([^0-9A-Za-z t])|(w+://S+)", " ", tweet).split())
def get_tweet_sentiment(self, tweet):
'''
Utility function to classify sentiment of passed tweet
using textblob's sentiment method
'''
# create TextBlob object of passed tweet text
analysis = TextBlob(self.clean_tweet(tweet))
# set sentiment
if analysis.sentiment.polarity > 0:
return 'positive'
elif analysis.sentiment.polarity == 0:
return 'neutral'
else:
return 'negative'
def get_tweets(self, query, count = 10):
'''
Main function to fetch tweets and parse them.
'''
# empty list to store parsed tweets
tweets = []
try:
# call twitter api to fetch tweets
fetched_tweets = self.api.search(q = query, count = count)
# parsing tweets one by one
for tweet in fetched_tweets:
# empty dictionary to store required params of a tweet
parsed_tweet = {}
# saving text of tweet
parsed_tweet['text'] = tweet.text
# saving sentiment of tweet
parsed_tweet['sentiment'] = self.get_tweet_sentiment(tweet.text)
# appending parsed tweet to tweets list
if tweet.retweet_count > 0:
# if tweet has retweets, ensure that it is appended only once
if parsed_tweet not in tweets:
tweets.append(parsed_tweet)
else:
tweets.append(parsed_tweet)
# return parsed tweets
return tweets
except tweepy.TweepError as e:
#print error (if any)
print("Error : " + str(e))
def main():
#creating object of TwitterClient Class
api = TwitterClient()
#calling function to get tweets
tweets = api.get_tweets(query = 'ADF', count = 200)
#picking positive tweets from tweets
ptweets = [tweet for tweet in tweets if tweet['sentiment'] == 'positive']
# percentage of positive tweets
print("Positive tweets percentage: {} %".format(100*len(ptweets)/len(tweets)))
#picking negative tweets from tweets
ntweets = [tweet for tweet in tweets if tweet['sentiment'] == 'negative']
#percentage of negative tweets
print("Negative tweets percentage: {} %".format(100*len(ntweets)/len(tweets)))
#percentage of neutral tweets
netweets = [tweet for tweet in tweets if tweet['sentiment'] == 'neutral']
print("Neutral tweets percentage: {} %".format(100*(len(netweets)/len(tweets))))
#printing first 5 positive tweets
print("nnPositive tweets:")
for tweet in ptweets[:10]:
print(tweet['text'])
#printing first 5 negative tweets
print("nnNegative tweets:")
for tweet in ntweets[:10]:
print(tweet['text'])
if __name__ == "__main__":
#calling main function
main()
2
Answers
Here is a cut-down version of your code which demonstrates the problem.
Note the indentation of both
main()andif __name__ == "__main__"place them under the definition of TwitterClient itself. Hence the error, in Python 3:TwitterClientis not defined because the class definition ofTwitterClienthas not finished – you’re still inside it. The if is at the class scope level, so runs at time of definition of the class. Indentation determines a lot about scope in Python.With small but important changes in whitespace, to take
main()andif __name__ ...out of the TwitterClient scope and put them back at the main scope, the problem goes away.ie these constructs are now at the same indent level as
TwitterClient, further left by one level of indentation.An easy solution is to remove
main()from theTwitterClient()definition.The exact problem is that
main()is inside theTwitterClient(), so in other words you haven’t finished definingTwitterClient(), so python is throwing errors.How to fix
The easiest solution is to move
main()andif __name__...lines from theTwitterClient()definition. That will get rid of your current error. This code should work:import re
import tweepy
from tweepy import OAuthHandler
from textblob import TextBlob
class TwitterClient(object):
”’
Generic Twitter Class for sentiment analysis.
”’
def init(self):
”’
Class constructor or initialization method.
”’
# keys and tokens from the Twitter Dev Console
consumer_key = ‘remove’
consumer_secret = ‘remove’
access_token = ‘remove-remove’
access_token_secret = ‘remove’