Sample code for 30+ languages & platforms
CkPython

Transition from Email.GetSignedByCert to Email.LastSignerCert

Provides instructions for replacing deprecated GetSignedByCert method calls with LastSignerCert.

Chilkat CkPython Downloads

CkPython
import sys
import chilkat

success = False

email = chilkat.CkEmail()

# ...
# ...

# ------------------------------------------------------------------------
# The GetSignedByCert method is deprecated:

# certObj is a CkCert
certObj = email.GetSignedByCert()
if (email.get_LastMethodSuccess() == False):
    print(email.lastErrorText())
    sys.exit()

# ...
# ...

# ------------------------------------------------------------------------
# Do the equivalent using LastSignerCert.
# Your application creates a new, empty Cert object which is passed 
# in the last argument and filled upon success.

certOut = chilkat.CkCert()
success = email.LastSignerCert(0,certOut)
if (success == False):
    print(email.lastErrorText())
    sys.exit()