text: # -*- coding: utf-8 -*-
  import logging
  if __name__ == '__main__':
      logging.basicConfig()
  _log = logging.getLogger(__name__)
  import sys
  import pyxb.binding.generate
  import pyxb.utils.domutils
  
  
  xmls = '''<?xml version="1.0"?>
  <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
    <SignedInfo>
      <CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
      <SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/>
      <Reference URI="#_53cdd0e9-bd51-4a49-8519-f711860c5499">
        <Transforms>
          <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
          <Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#">
            <InclusiveNamespaces xmlns="http://www.w3.org/2001/10/xml-exc-c14n#" PrefixList="#default samlp saml ds xs xsi"/>
          </Transform>
        </Transforms>
        <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
        <DigestValue>4OXjC8LT68JYyCVbtKJims+qe4U=</DigestValue>
      </Reference>
    </SignedInfo>
    <SignatureValue>vG+UCB9C3T8k91yDP2zCvKNHJbp+P1aik9xckByr43y5V5BZktzOF9h4FC8C3mYklg/jTtzWiN4TvAd+wrznpOYDBv3/AseHM+LWG2Q/0t1o8owiliR1z8BqydQUXPuwTSTrPAzEmYFKnq+OQvtq8GiebfYHD2nTKc4M0B8//TuQ295WLwX06RXiuNxGN9C1YvMOL/hHKybPeiVbT7I0wnUMDjf4H/K+4hnCZY2wT+nOBf0fRVkFud/0/lIxCu8T3SMQeSzMRXcdK0FiElFNzh24DJerVwIIZTFXl5Qg42S2Is6kFs1KR0CYDXR/ZVNF5CdVY/xe62t8GUYbTHAoBw==</SignatureValue>
  </Signature>'''
  
  import unittest
  
  class TestTrac0123 (unittest.TestCase):
      def testEmpty (self):
          try:
              import pyxb.bundles.wssplat.ds as dsig
          except ImportError as e:
              _log.warning('%s: skipping test, error importing dsig', __file__)
              return
          # The warning that InclusiveNamespaces could not be converted
          # is correct.  We don't have bindings for
          # http://www.w3.org/2001/10/xml-exc-c14n#.  We're going to
          # leave it that way for now, as evidence the warning is still
          # present.
          instance = dsig.CreateFromDocument(xmls)
          # Problem was the PrefixList attribute in InclusiveNamespaces,
          # which has no namespace; deepClone couldn't handle it.  Show
          # that it can.
          dom = instance.toDOM()
  
  if __name__ == '__main__':
      unittest.main()
  