Record QR Data Into CSV Format Using Raspberry Pi.

RPiQRScannerCSV.py

from gpiozero import LED, Button, Buzzer
import cv2
import re
import csv

led = LED(19)
sw1 = Button(21)
buzzer = Buzzer(26)

cap = cv2.VideoCapture(0)
detector = cv2.QRCodeDetector()

def sw1Pressed():
    global sw1Press
    sw1Press = True

sw1.when_pressed = sw1Pressed
sw1Press = False

print("Reading QR code using Raspberry Pi camera")
print("Press SW1 to scan.")
print()

while True:
    if sw1Press == True:
        led.toggle()
        
        _, img = cap.read()
        data, bbox, _ = detector.detectAndDecode(img)
        
        if bbox is not None:
            for i in range(len(bbox)):
                cv2.line(img, tuple(bbox[i][0]), tuple(bbox[(i+1) % len(bbox)][0]), color=(255,
                         0, 0), thickness=2)
            
            cv2.putText(img, data, (int(bbox[0][0][0]), int(bbox[0][0][1]) - 10), cv2.FONT_HERSHEY_SIMPLEX,
                        0.5, (0, 255, 0), 2)
            
            if data:
                sw1Press = False
                
                data = data.split(",")
                print("ID: " + data[0])
                print("Name: " + data[1])
                print("Class: " + data[2])
                print()
                
                userScanned = False
                with open('Database.csv') as csvfile:
                    reader = csv.DictReader(csvfile)
                    for row in reader:
                        if row["ID"] == data[0]:
                            buzzer.beep(0.1, 0.1, 1)
                            userScanned = True
                    
                if userScanned == False:
                    buzzer.beep(0.1, 0.1, 2)
                    with open('Database.csv', 'a') as csvfile:
                        fieldNames = ['ID', 'NAME', 'CLASS']
                        writer = csv.DictWriter(csvfile, fieldnames=fieldNames)
                        writer.writerow({'ID': data[0], 'NAME': data[1], 'CLASS': data[2]})
                led.off()
                
        cv2.imshow("code detector", img)
    
    else:
        cap.read()
        cv2.destroyAllWindows()
    
    if cv2.waitKey(1) == ord("q"):
        break

led.off()
cap.release()
cv2.destroyAllWindows()

Hi, I need help in this code. I'm extremely new to programming and in raspberry pi. Can I use an infrared proximity sensor as the switch to scan the QR code? If so, can you upload the code? I already tried editing the code but it doesn't make it work. Thank you very much and have a good day