(CkPython) Compress EBICS SignaturePubKeyOrderData XML

This example provides a note about how to compress the SignaturePubKeyOrderData XML for EBICS.

Chilkat Python Downloads install with pip pip3 install chilkat or download... Python Module for Windows, MacOS, Linux, Alpine Linux, Solaris

import chilkat

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# We have this XML to be compressed and then encoded in Base64.

# <?xml version="1.0" encoding="UTF-8"?>
# <SignaturePubKeyOrderData xmlns="http://www.ebics.org/S001" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ebics.org/S001 http://www.ebics.org/S001/ebics_signature.xsd">
# <SignaturePubKeyInfo>
# <ds:X509Data>
# <ds:X509IssuerSerial>
# <ds:X509IssuerName>ABCDEF eID User</ds:X509IssuerName>
# <ds:X509SerialNumber>153594950300874710199347185895388116050</ds:X509SerialNumber>
# </ds:X509IssuerSerial>
# <ds:X509Certificate>MIIJTzCC...xzKyukE=</ds:X509Certificate>
# </ds:X509Data>
# <PubKeyValue>
# <ds:RSAKeyValue><ds:Modulus>zedQEG0gNItQRG17p7CwiSv/N9YUBOzswEnfNSiNirQgb0bfWWAvCXOg7057WTCBMxOe7AHE7rLTTQFRHY2AEqSV1fj8iL7i186XnGQOFjsdVP3LBLV319HhoUIugaZOC5AbnDouq2Femr53NDK4fqYVI6skrvNo9LO4+8IBRNtR8lQudG+ABHCqIkrNjai1pXrjfEhvyAhz0URhqP00i3AUGD3BasM28uFhcNztqSfO/jp5xQOTAjSr2gCgwg9hJV5mVnOazwAEbWmKkW+NZGICrSdoyrJ+UKjbbhL6VI1woe2YufCYqYF0ec8bXdE9KlhHj+XjeaME3k/uBq22Kw==</ds:Modulus><ds:Exponent>AQAB</ds:Exponent></ds:RSAKeyValue>
# <TimeStamp>2015-03-06T18:42:24.376+01:00</TimeStamp>
# </PubKeyValue>
# <SignatureVersion>A005</SignatureVersion>
# </SignaturePubKeyInfo>
# <PartnerID>XKB99999</PartnerID>
# <UserID>XKB99999</UserID>
# </SignaturePubKeyOrderData>  

fac = chilkat.CkFileAccess()
strXml = fac.readEntireTextFile("qa_data/ebics/SignaturePubKeyOrderData.xml","utf-8")
# Assuming the above statement succeeded...

compress = chilkat.CkCompression()

# EBICS wants the deflate algorithm with the zlib header...
compress.put_Algorithm("zlib")
compress.put_EncodingMode("base64")

b64CompressedStr = compress.compressStringENC(strXml)

print(b64CompressedStr)