This guide describes how to improve your document with generated QR code using Python. Sign your documents with a QR Code and various standard QR code elements like Event QR Code, contact QR Code as VCard or MeCard, SEPA payment QR Code using GroupDocs.Signature Python API by GroupDocs.... encode_type = gsd . QrCodeTypes ....QrCodeSignOptions () qr_options . encode_type = gsd . QrCodeTypes ....