import qrcode
import base64
from io import BytesIO


class GenerateQrCode():
    def generate_qr_code(url):
        qr = qrcode.QRCode(version=4,
                           error_correction=qrcode.constants.ERROR_CORRECT_L,
                           box_size=20,
                           border=4,)
        qr.add_data(url)
        qr.make(fit=True)
        img = qr.make_image()
        temp = BytesIO()
        img.save(temp, format="PNG")
        qr_img = base64.b64encode(temp.getvalue())
        return qr_img