qr_code_gen.py

import qrcode

# Data to be encoded
data = "https://example.com/item-info/12345"

# Generate QR code
qr = qrcode.QRCode(
    version=1,
    error_correction=qrcode.constants.ERROR_CORRECT_L,
    box_size=10,
    border=4,
)
qr.add_data(data)
qr.make(fit=True)

# Create an image from the QR Code instance
img = qr.make_image(fill_color="black", back_color="white")

# Save it somewhere, e.g. a file
img.save("item_qr_code.png")