pip install pyBarcode
python
from barcode import EAN13
from barcode.writer import ImageWriter
barcode = EAN13('1234567890123', writer=ImageWriter())
barcode.save('barcode')
python
from barcode import qr
from barcode.writer import ImageWriter
barcode = qr.QRCode('1234567890', writer=ImageWriter())
barcode.save('qrcode')