simplified for backend

.gitignore

@@ -1,3 +1,2 @@
-__pycache__
-.env
-
+__pycache__/
+venv/

app.py

@@ -0,0 +1,26 @@
+from textblob import TextBlob
+from flask_cors import CORS
+# TextBlob(sentence).sentiment
+
+from flask import Flask, jsonify, request
+app = Flask(__name__)
+CORS(app)
+
+@app.route('/sentiment', methods=['POST'])
+def predict_sentiment():
+    data = request.get_json()
+    sentence = data['sentence']
+    sentiment = TextBlob(sentence).sentiment
+    score = sum(sentiment)/len(sentiment)
+    if score > 0.5:
+        res = "Positive"
+    else:
+        res = "Negative"
+    return jsonify({"sentiment": res})
+
+@app.route('/', methods=['GET'])
+def hello():
+    return jsonify({"response":"This is Sentiment Application"})
+
+if __name__ == '__main__':
+    app.run(host="0.0.0.0", threaded=True, port=5000)

procfile

@@ -1,2 +1 @@
-web: gunicorn run:app
-
+web: gunicorn app:app