def read(self, istream):
"""
Read the data encoding the RevocationReason object and decode it
into its constituent parts.
Args:
istream (Stream): A data stream containing encoded object data,
supporting a read method; usually a BytearrayStream object.
"""
super(RevocationReason, self).read(istream)
tstream = BytearrayStream(istream.read(self.length))
self.revocation_code = RevocationReasonCode()
self.revocation_code.read(tstream)
if self.is_tag_next(Tags.REVOCATION_MESSAGE, tstream):
self.revocation_message = TextString()
self.revocation_message.read(tstream)
self.is_oversized(tstream)
self.validate()
def __init__(self, code=None, message=None):
"""
Construct a RevocationReason object.
Parameters:
code(RevocationReasonCode): revocation reason code
message(string): An optional revocation message
"""
super(RevocationReason, self).__init__(tag=Tags.REVOCATION_REASON)
if code is not None:
self.revocation_code = RevocationReasonCode(value=code)
else:
self.revocation_code = RevocationReasonCode()
if message is not None:
self.revocation_message = TextString(value=message,
tag=Tags.REVOCATION_MESSAGE)
else:
self.revocation_message = None
self.validate()
