#importing barcode module (pip install barcode)

import barcode

# defining a variable with class having ean13 (13 numbers can be converted to barcode)

br = barcode.get_barcode_class("ean13")

# 13 digit number you want to convert to barcode

Br = br("0123456789123")

# saving the barcode with name barcode (it will save as barcode.svg in same directory)

qr = Br.save("barcode")