QrGenerator.py

from flask import Flask,render_template,request
import qrcode
from io import BytesIO
from base64 import b64encode
from flask_cors import CORS

app = Flask(__name__)
CORS(app)

@app.route('/')
def home():
    return render_template('index.html')
    

@app.route('/', methods=['POST'])
def generateQR():
    memory = BytesIO()
    data = request.form.get('link')
    img = qrcode.make(data)
    img.save(memory)
    memory.seek(0)

    base64_img = "data:image/png;base64," + \
        b64encode(memory.getvalue()).decode('ascii')
    
    return render_template('index.html', data=base64_img)

if __name__== '__main__':
    app.run(debug=True)