qr.py

import qrcode

def createQr(vwz,iban,bic,recipient,amount,filename="epc_qr"):
    # The docs can be found here: https://pypi.org/project/qrcode/
    qr = qrcode.QRCode(error_correction=qrcode.constants.ERROR_CORRECT_M)

    qr.add_data("BCD\n")
    qr.add_data("002\n")
    qr.add_data("1\n")
    qr.add_data("SCT\n")
    qr.add_data(bic+"\n")
    qr.add_data(recipient[0:69]+"\n")
    qr.add_data(iban+"\n")
    qr.add_data("EUR"+str(amount)+"\n")
    qr.add_data("\n")
    qr.add_data("\n")
    qr.add_data(vwz[0:139]+"\n")
    qr.make(fit=True)
    img = qr.make_image()
    img.save(filename+".png")

purpose = "Rechnung äöü123456789"
iban = "DE02100500000054540402"
bic = "BELADEBE"
recipient = "Beispielempfänger Musterdorf"
amount = 55.22

createQr(purpose,iban,bic,recipient,amount)