exception handling

collectTweets.py

@@ -7,13 +7,36 @@ Connect to Twitter stream using Twitter API and filter tweets which have to be r
 
 To install and run this script : please follow instructions from README.md
 """
-try :
+import tweepy
+import sys
+
+
+def exitscript():
+    print("The program encountered an error.\nEnd of execution")
+    sys.exit(1)
+
+
+try:
     import credentials
 except ImportError:
     print('it seems there is no file named :"credentials.py"')
-    raise ImportError('it seems there is no file named :"credentials.py"')
-
+    exitscript()
 
 if __name__ == '__main__':
     print("Collect tweets : start")
-    print("Collect tweets : end")
\ No newline at end of file
+    # Access and authorize on MOOD twitter Account
+    try:
+        auth = tweepy.OAuthHandler(credentials.consumer_key, credentials.consumer_secret)
+        auth.set_access_token(credentials.access_token, credentials.access_token_secret)
+        api = tweepy.API(auth)
+        # Get the User object for twitter...
+        user = api.get_user('twitter')
+        print(user.screen_name)
+    except tweepy.TweepError as twe:
+        print("Wrong credentials: please check credentials.py ")
+    except Exception as e:
+        print("Please double check credentials.py :" + e)
+    finally:
+        exitscript()
+
+    print("Collect tweets : end")