Added sentiment analyser

1 files changed, 26 insertions, 0 deletions

diff --git a/SentimentAnalyser.py b/SentimentAnalyser.py
new file mode 100644
index 0000000..ba415dc
--- /dev/null
+++ b/SentimentAnalyser.py
@@ -0,0 +1,26 @@
+from nltk.sentiment.vader import SentimentIntensityAnalyzer
+from cassandra.cluster import Cluster
+import re
+
+
+compound = []
+pos = []
+neu = []
+neg = []
+
+def sentence_score(rs):
+    review_score = SentimentIntensityAnalyzer()
+    compound.append(review_score.polarity_scores(rs)['compound'])
+    neg.append(review_score.polarity_scores(rs)['neg'])
+    neu.append(review_score.polarity_scores(rs)['neu'])
+    pos.append(review_score.polarity_scores(rs)['pos'])
+
+
+cluster = Cluster()
+session = cluster.connect('twitter')
+rows = session.execute('SELECT tweet FROM twitterdata')
+for tweet in rows:
+    try:
+        sentence_score(tweet)
+    except re.error:
+        print(tweet)
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