Code to generate a QR code based on the url input

qr_code_generator.py

#!/usr/bin/env python3
import argparse
import qrcode


def main():
    parser = argparse.ArgumentParser(description="Generate a QR code from a URL")
    parser.add_argument("url", help="URL to encode in the QR code")
    parser.add_argument(
        "-o", "--output",
        default="qrcode.png",
        help="Output PNG file path (default: qrcode.png)"
    )
    args = parser.parse_args()

    qr = qrcode.QRCode(
        error_correction=qrcode.constants.ERROR_CORRECT_L,
        box_size=10,
        border=4,
    )
    qr.add_data(args.url)
    qr.make(fit=True)

    img = qr.make_image(fill_color="black", back_color="white")
    img.save(args.output)
    print(f"QR code saved to {args.output}")


if __name__ == "__main__":
    main()