syncml: support python3

bt5/erp5_syncml/DocumentTemplateItem/portal_components/document.erp5.SyncMLSignature.py

@@ -28,6 +28,7 @@
 ##############################################################################
 
 from hashlib import md5
+import six
 
 from AccessControl import ClassSecurityInfo
 
@@ -98,7 +99,8 @@ class SyncMLSignature(XMLObject):
     Set the XML corresponding to the object
     """
     if value:
-      # convert the string to Pdata
+      assert isinstance(value, bytes)
+      # convert the bytes to Pdata
       pdata_wrapper = PdataHelper(self.getPortalObject(), value)
       self._setData(pdata_wrapper)
       self.setTemporaryData(None) # We make sure that the data will not be erased
@@ -113,7 +115,7 @@ class SyncMLSignature(XMLObject):
     Get the XML corresponding to the object
     """
     if self.hasData():
-      return str(self._baseGetData())
+      return bytes(self._baseGetData())
     elif default is _MARKER:
       return self._baseGetData()
     else:
@@ -139,7 +141,7 @@ class SyncMLSignature(XMLObject):
     Return the temp xml as string
     """
     if self.hasTemporaryData():
-      return str(self._baseGetTemporaryData())
+      return bytes(self._baseGetTemporaryData())
     elif default is _MARKER:
       return self._baseGetTemporaryData()
     else:
@@ -153,7 +155,7 @@ class SyncMLSignature(XMLObject):
     changed or not
     Returns 1 if MD5 are equals, else it returns 0
     """
-    if isinstance(xml_string, unicode):
+    if six.PY2 and isinstance(xml_string, six.text_type):
       xml_string = xml_string.encode('utf-8')
     return md5(xml_string).hexdigest() == self.getContentMd5()
 
@@ -189,7 +191,7 @@ class SyncMLSignature(XMLObject):
     Return the patial xml as string
     """
     if self.hasPartialData():
-      return str(self._baseGetPartialData())
+      return bytes(self._baseGetPartialData())
     elif default is _MARKER:
       return self._baseGetPartialData()
     else:
@@ -223,7 +225,7 @@ class SyncMLSignature(XMLObject):
     rest_in_queue = partial_data[max_len:]
     if rest_in_queue is not None:
       self.setPartialData(rest_in_queue)
-    return str(chunk)
+    return bytes(chunk)
 
   security.declareProtected(Permissions.ModifyPortalContent,
                             'setSubscriberXupdate')
@@ -244,7 +246,7 @@ class SyncMLSignature(XMLObject):
     Return the patial xml as string
     """
     if self.hasSubscriberXupdate():
-      return str(self._baseGetSubscriberXupdate())
+      return bytes(self._baseGetSubscriberXupdate())
     elif default is _MARKER:
       return self._baseGetSubscriberXupdate()
     else:
@@ -269,7 +271,7 @@ class SyncMLSignature(XMLObject):
     Return the partial xml as string
     """
     if self.hasPublisherXupdate():
-      return str(self._baseGetPublisherXupdate())
+      return bytes(self._baseGetPublisherXupdate())
     elif default is _MARKER:
       return self._baseGetPublisherXupdate()
     else:

bt5/erp5_syncml/DocumentTemplateItem/portal_components/document.erp5.SyncMLSubscription.py

@@ -29,9 +29,10 @@
 
 from base64 import b16encode, b16decode
 from logging import getLogger
-from urlparse import urlparse
+from six.moves.urllib.parse import urlparse
 from lxml import etree
 from copy import deepcopy
+import six
 
 from AccessControl import ClassSecurityInfo
 from AccessControl.SecurityManagement import newSecurityManager
@@ -53,6 +54,7 @@ from erp5.component.module.SyncMLTransportERP5 import ERP5Transport
 from erp5.component.module.SyncMLConstant import MAX_LEN, ADD_ACTION, \
     REPLACE_ACTION
 from erp5.component.module.XMLSyncUtils import cutXML
+from six.moves import range
 
 transport_scheme_dict = {
   "http" : HTTPTransport(),
@@ -160,7 +162,7 @@ class SyncMLSubscription(XMLObject):
         activate = self.activate
         callback_method = getattr(activate(**activate_kw), callback)
         if generated_other_activity:
-          for i in xrange(0, result_count, packet_size):
+          for i in range(0, result_count, packet_size):
             syncml_logger.info("-- getAndIndex : recursive call, generating for %s",
                                r[i:i+packet_size])
             callback_method(path_list=r[i:i+packet_size],
@@ -168,7 +170,7 @@ class SyncMLSubscription(XMLObject):
                             **method_kw)
         else:
           if result_count > packet_size and limit:
-            for i in xrange(0, result_count-packet_size, packet_size):
+            for i in range(0, result_count-packet_size, packet_size):
               syncml_logger.info("-- getAndIndex : i %s, call, generating for %s : %s",
                                  i, r[i:i+packet_size], activate_kw)
               callback_method(path_list=r[i:i+packet_size],
@@ -205,7 +207,7 @@ class SyncMLSubscription(XMLObject):
     Return the path of the subscription that will be used in sql table
     _ char must be escaped because of the LIKE behaviour
     """
-    return "%s/%%" % (self.getSourceValue().getPath().replace("_","\_"),) # pylint: disable=anomalous-backslash-in-string
+    return "%s/%%" % (self.getSourceValue().getPath().replace("_", r"\_"),)
 
   security.declarePrivate('sendSyncCommand')
   def sendSyncCommand(self, min_gid, max_gid, message_id, activate_kw):
@@ -225,7 +227,7 @@ class SyncMLSubscription(XMLObject):
     # transport failure
     # activate_kw["group_method_id"] = None
     # activate_kw["group_method_cost"] = .05
-    self.activate(**activate_kw).sendMessage(xml=str(syncml_response))
+    self.activate(**activate_kw).sendMessage(xml=bytes(syncml_response))
 
   security.declarePrivate('applySyncCommand')
   def applySyncCommand(self, response_message_id, activate_kw, **kw):
@@ -250,7 +252,7 @@ class SyncMLSubscription(XMLObject):
       self.activate(activity="SQLQueue",
                     # group_method_id=None,
                     # group_method_cost=.05,
-                    tag=activate_kw).sendMessage(xml=str(syncml_response))
+                    tag=activate_kw).sendMessage(xml=bytes(syncml_response))
 
 
   security.declarePrivate('getAndActivate')
@@ -310,7 +312,7 @@ class SyncMLSubscription(XMLObject):
       if generated_other_activity:
         #  XXX Can be factorized with following code
         # upper_limit of xrange + some check ???
-        for i in xrange(0, result_count, packet_size):
+        for i in range(0, result_count, packet_size):
           if first_call:
             min_gid = None
             first_call = False
@@ -330,7 +332,7 @@ class SyncMLSubscription(XMLObject):
       else:
         i = 0
         if result_count > packet_size:
-          for i in xrange(0, result_count-packet_size, packet_size):
+          for i in range(0, result_count-packet_size, packet_size):
             if first_call:
               min_gid = None
               first_call = False
@@ -531,7 +533,7 @@ class SyncMLSubscription(XMLObject):
                                       domain=self))
 
         xml_document = incoming_data
-        if not isinstance(xml_document, basestring):
+        if not isinstance(xml_document, bytes):
           # XXX using deepcopy to remove parent link - must be done elsewhere
           xml_document = deepcopy(xml_document)
           # Remove useless namespace
@@ -539,7 +541,7 @@ class SyncMLSubscription(XMLObject):
           xml_document = etree.tostring(xml_document, encoding='utf-8',
                                         pretty_print=True)
 
-        if isinstance(xml_document, unicode):
+        if six.PY2 and isinstance(xml_document, unicode):
           xml_document = xml_document.encode('utf-8')
         # Link the signature to the document
         if signature:
@@ -603,12 +605,12 @@ class SyncMLSubscription(XMLObject):
           signature.changeToConflict()
           # Register the data received which generated the diff
           # XXX Why ?
-          if not isinstance(incoming_data, basestring):
+          if not isinstance(incoming_data, bytes):
             incoming_data = etree.tostring(incoming_data,
                                            encoding='utf-8')
           signature.setPartialData(incoming_data)
         else:
-          signature.setData(str(xml_document))
+          signature.setData(bytes(xml_document))
           signature.synchronize()
         syncml_logger.info("change state of signature to %s with %s",
                            signature.getValidationState(), signature.getData())
@@ -667,7 +669,7 @@ class SyncMLSubscription(XMLObject):
       }
     syncml_logger.info("Sending final message for modificationson on %s",
                        self.getRelativeUrl())
-    self.activate(**final_activate_kw).sendMessage(xml=str(syncml_response))
+    self.activate(**final_activate_kw).sendMessage(xml=bytes(syncml_response))
 
 
   security.declarePrivate('getDeletedSyncMLData')
@@ -700,11 +702,10 @@ class SyncMLSubscription(XMLObject):
       }
     syncml_logger.info("Sending final message for modificationson on %s",
                        self.getRelativeUrl())
-    self.activate(**final_activate_kw).sendMessage(xml=str(syncml_response))
+    self.activate(**final_activate_kw).sendMessage(xml=bytes(syncml_response))
 
   def getSearchablePath(self):
-    return "%s%%" %(self.getPath().replace('_', '\_'),) # pylint: disable=anomalous-backslash-in-string
-
+    return "%s%%" %(self.getPath().replace('_', r'\_'),)
 
   def _generateSyncCommand(self, action, signature, data_diff ,document_data, gid,
                            conduit, syncml_response):
@@ -973,10 +974,12 @@ class SyncMLSubscription(XMLObject):
       # old way using the conduit
       conduit = self.getConduit()
       raw_gid = conduit.getGidFromObject(object)
-    if isinstance(raw_gid, unicode):
+    if isinstance(raw_gid, six.text_type):
       raw_gid = raw_gid.encode('ascii', 'ignore')
     if encoded:
       gid = b16encode(raw_gid)
+      if six.PY3:
+        gid = gid.decode()
     else:
       gid = raw_gid
     return gid
@@ -1146,7 +1149,7 @@ class SyncMLSubscription(XMLObject):
     """
     object_id_list = list(self.getObjectIds())
     object_list_len = len(object_id_list)
-    for i in xrange(0, object_list_len, MAX_OBJECTS):
+    for i in range(0, object_list_len, MAX_OBJECTS):
       current_id_list = object_id_list[i:i+MAX_OBJECTS]
       self.activate(activity='SQLQueue',
                     priority=ACTIVITY_PRIORITY).manage_delObjects(current_id_list)

bt5/erp5_syncml/MixinTemplateItem/portal_components/mixin.erp5.SyncMLEngineMixin.py

@@ -25,6 +25,7 @@
 #
 ##############################################################################
 
+import six
 from logging import getLogger
 
 from AccessControl import ClassSecurityInfo, getSecurityManager
@@ -337,8 +338,11 @@ class SyncMLEngineMixin(object):
       if syncml_request.credentials['type'] == publication.getAuthenticationType():
         decoded = decode(syncml_request.credentials['format'],
                          syncml_request.credentials['data'])
-        if decoded and ':' in decoded:
-          login, password = decoded.split(':')
+        if decoded and b':' in decoded:
+          login, password = decoded.split(b':')
+          if six.PY3:
+            login = login.decode()
+            password = password.decode()
           # TODO: make it work for users existing anywhere
           user_folder = publication.getPortalObject().acl_users
           for _, plugin in user_folder._getOb('plugins')\
@@ -463,8 +467,8 @@ class SyncMLEngineMixin(object):
         # Wait for all reset to be done
         # before starting sync
         priority=ACTIVITY_PRIORITY,
-        tag=publication.getRelativeUrl()).sendMessage(xml=str(syncml_response))
+        tag=publication.getRelativeUrl()).sendMessage(xml=bytes(syncml_response))
     else:
-      subscriber.sendMessage(xml=str(syncml_response))
+      subscriber.sendMessage(xml=bytes(syncml_response))
 
     return syncml_response

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.ERP5Conduit.py

@@ -42,12 +42,14 @@ from xml.sax.saxutils import unescape
 import re
 from lxml import etree
 from lxml.etree import Element
+import six
 parser = etree.XMLParser(remove_blank_text=True)
 from xml_marshaller.xml_marshaller import Unmarshaller
 from xupdate_processor import xuproc
 from base64 import standard_b64decode
 from zope.interface import implementer
 from copy import deepcopy
+from six import string_types as basestring
 
 import logging
 syncml_logger = logging.getLogger('ERP5SyncML')
@@ -229,10 +231,10 @@ class ERP5Conduit(XMLSyncUtilsMixin):
       # /erp5/object[@gid='313730']/../workflow_action[@id=SHA(TIME + ACTOR)]
       wf_action_id = EXTRACT_ID_FROM_XPATH.findall(xpath_expression)[-1][-1]
       def deleteWorkflowNode():
-        for wf_id, wf_history_tuple in object.workflow_history.iteritems():
+        for wf_id, wf_history_tuple in six.iteritems(object.workflow_history):
           for wf_history_index, wf_history in enumerate(wf_history_tuple):
-            if sha1(wf_id + str(wf_history['time']) +
-                       wf_history['actor']).hexdigest() == wf_action_id:
+            if sha1((wf_id + str(wf_history['time']) +
+                       wf_history['actor']).encode('utf-8')).hexdigest() == wf_action_id:
               object.workflow_history[wf_id] = (
                 object.workflow_history[wf_id][:wf_history_index] +
                 object.workflow_history[wf_id][wf_history_index + 1:])
@@ -426,21 +428,21 @@ class ERP5Conduit(XMLSyncUtilsMixin):
   def getFormatedArgs(self, args=None):
     """
     This lookd inside the args dictionnary and then
-    convert any unicode string to string
+    convert any unicode string to string ( on python 2 )
     """
     new_args = {}
     for keyword in args.keys():
       data = args[keyword]
-      if isinstance(keyword, unicode):
+      if six.PY2 and isinstance(keyword, six.text_type):
         keyword = keyword.encode(self.getEncoding())
       if isinstance(data, (tuple, list)):
         new_data = []
         for item in data:
-          if isinstance(item, unicode):
+          if six.PY2 and isinstance(item, six.text_type):
             item = item.encode(self.getEncoding())
           new_data.append(item)
         data = new_data
-      if isinstance(data, unicode):
+      if six.PY2 and isinstance(data, six.text_type):
         data = data.encode(self.getEncoding())
       new_args[keyword] = data
     return new_args
@@ -561,7 +563,7 @@ class ERP5Conduit(XMLSyncUtilsMixin):
     XXX name of method is not good, because content is not necessarily XML
     return a xml with id replaced by a new id
     """
-    if isinstance(xml, str):
+    if isinstance(xml, bytes):
       xml = etree.XML(xml, parser=parser)
     else:
       # copy of xml object for modification
@@ -623,9 +625,10 @@ class ERP5Conduit(XMLSyncUtilsMixin):
     """
     if xml is a string, convert it to a node
     """
-    if xml is None: return None
-    if isinstance(xml, (str, unicode)):
-      if isinstance(xml, unicode):
+    if xml is None:
+        return None
+    if isinstance(xml, six.string_types + (bytes, )):
+      if six.PY2 and isinstance(xml, six.text_type):
         xml = xml.encode('utf-8')
       xml = etree.XML(xml, parser=parser)
     # If we have the xml from the node erp5, we just take the subnode
@@ -778,7 +781,7 @@ class ERP5Conduit(XMLSyncUtilsMixin):
     if data_type == NONE_TYPE:
       return None
     data = node.text
-    if data is not None and isinstance(data, unicode):
+    if data is not None and six.PY2 and isinstance(data, six.text_type):
       data = data.encode('utf-8')
     elif data is None and data_type in TEXT_TYPE_LIST:
       return ''
@@ -797,7 +800,7 @@ class ERP5Conduit(XMLSyncUtilsMixin):
     elif data_type in DATA_TYPE_LIST:
       if data is None:
         # data is splitted inside  block_data nodes
-        data = ''.join([standard_b64decode(block.text) for\
+        data = b''.join([standard_b64decode(block.text) for\
                                                  block in node.iterchildren()])
     elif data_type == DATE_TYPE:
       data = DateTime(data)
@@ -812,7 +815,7 @@ class ERP5Conduit(XMLSyncUtilsMixin):
     Parse the xupdate and then it will call the conduit
     """
     conflict_list = []
-    if isinstance(xupdate, (str, unicode)):
+    if isinstance(xupdate, six.string_types + (bytes, )):
       xupdate = etree.XML(xupdate, parser=parser)
     #LOG("applyXupdate", INFO, etree.tostring(xupdate, pretty_print=True))
     xupdate_builded = False
@@ -830,14 +833,16 @@ class ERP5Conduit(XMLSyncUtilsMixin):
         xupdate_builded = True
 
         # Find the prefix used by marshaller.
-        for prefix, namespace_uri in subnode.nsmap.iteritems():
+        for prefix, namespace_uri in six.iteritems(subnode.nsmap):
           if namespace_uri == MARSHALLER_NAMESPACE_URI:
             break
         # TODO add support of etree objects for xuproc to avoid
         # serializing tree into string
-        if not isinstance(previous_xml, str):
-          previous_xml = etree.tostring(previous_xml)
-        xupdated_tree = xuproc.applyXUpdate(xml_xu_string=etree.tostring(xupdate),
+        if isinstance(previous_xml, bytes):
+          previous_xml = previous_xml.decode('utf-8')
+        if not isinstance(previous_xml, six.text_type):
+          previous_xml = etree.tostring(previous_xml, encoding='unicode')
+        xupdated_tree = xuproc.applyXUpdate(xml_xu_string=etree.tostring(xupdate, encoding='unicode'),
                                             xml_doc_string=previous_xml)
       if MARSHALLER_NAMESPACE_URI in subnode.nsmap.values():
         xpath_expression = original_xpath_expression
@@ -888,7 +893,7 @@ class ERP5Conduit(XMLSyncUtilsMixin):
                                          previous_xml=previous_xml, **kw)
 
     # Now apply collected xupdated_node
-    for update_dict in xpath_expression_update_dict.itervalues():
+    for update_dict in six.itervalues(xpath_expression_update_dict):
       update_dict.update(kw)
       conflict_list += self.updateNode(previous_xml=previous_xml,
                                        **update_dict)
@@ -913,7 +918,7 @@ class ERP5Conduit(XMLSyncUtilsMixin):
       if time <= action.get('time'):
         # action in the past are not appended
         addable = WORKFLOW_ACTION_INSERTABLE
-      key_list = action.keys()
+      key_list = list(action.keys())
       key_list.remove("time")
       for key in key_list:
         if status[key] != action[key]:
@@ -1100,8 +1105,12 @@ class ERP5Conduit(XMLSyncUtilsMixin):
     """
     # XXX xuproc does not support passing
     # etree objetcs
-    if not isinstance(diff, basestring):
-      diff = etree.tostring(diff)
+    if isinstance(diff, bytes):
+      diff = diff.decode('utf-8')
+    elif not isinstance(diff, basestring):
+      diff = etree.tostring(diff, encoding='unicode')
+    if not isinstance(original_data, six.text_type):
+      original_data = six.text_type(original_data, 'utf-8')
     return etree.tostring(xuproc.applyXUpdate(xml_xu_string=diff,
                                               xml_doc_string=original_data),
                                               encoding='utf-8')

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.ERP5DocumentConduit.py

@@ -75,7 +75,7 @@ class ERP5DocumentConduit(ERP5Conduit):
       # if time <= action.get('time'):
       #   # action in the past are not appended
       #   addable = WORKFLOW_ACTION_INSERTABLE
-      key_list = action.keys()
+      key_list = list(action.keys())
       # key_list.remove("time")
       # XXX-AUREL For document it seems that checking time != is required
       # I don't know why ?

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.ERP5ShopOrderConduit.py

@@ -29,7 +29,7 @@
 
 from xml.dom.ext import PrettyPrint
 import random
-from cStringIO import StringIO
+from six.moves import cStringIO as StringIO
 
 from AccessControl import ClassSecurityInfo
 from zLOG import LOG

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.SyncMLEngineAsynchronous.py

@@ -30,6 +30,7 @@ from logging import getLogger
 from erp5.component.mixin.SyncMLEngineMixin import SyncMLEngineMixin
 from erp5.component.module.SyncMLConstant import ACTIVITY_PRIORITY
 from Products.ERP5.ERP5Site import getSite
+from six.moves import range
 
 syncml_logger = getLogger('ERP5SyncML')
 
@@ -113,7 +114,7 @@ class SyncMLAsynchronousEngine(SyncMLEngineMixin):
                               (subscription.getPath(),
                                'applySyncCommand'),
                                after_tag=tag,).sendMessage(
-                                 xml=str(syncml_response))
+                                 xml=bytes(syncml_response))
         # Synchronization process is now finished
         syncml_logger.info("\tClient finished processing messages from server")
         subscription.finish()
@@ -137,7 +138,7 @@ class SyncMLAsynchronousEngine(SyncMLEngineMixin):
       # transport failure
       syncml_logger.info("....client sending message....")
       subscription.activate(activity="SQLQueue").sendMessage(
-        xml=str(syncml_response))
+        xml=bytes(syncml_response))
 
 
   def processServerSynchronization(self, subscriber, syncml_request):
@@ -241,7 +242,7 @@ class SyncMLAsynchronousEngine(SyncMLEngineMixin):
       subscriber.activate(activity="SQLQueue",
                           after_method_id=after_method_id,
                           after_tag=tag).sendMessage(
-                            xml=str(syncml_response))
+                            xml=bytes(syncml_response))
 
   def runGetAndActivate(self, subscription, tag, after_method_id=None):
     """
@@ -282,7 +283,7 @@ class SyncMLAsynchronousEngine(SyncMLEngineMixin):
       response_id_list.reverse()
     else:
       response_id_list = [None for _ in
-                          xrange(len(syncml_request.sync_command_list))]
+                          range(len(syncml_request.sync_command_list))]
     split = getSite().portal_preferences.getPreferredSyncActionPerActivityCount()
     if not split:  # We do not use activities
       if send_response:
@@ -294,7 +295,7 @@ class SyncMLAsynchronousEngine(SyncMLEngineMixin):
         subscription.activate(
           activity="SQLQueue",
           priority=ACTIVITY_PRIORITY,
-          tag=subscription.getRelativeUrl()).sendMessage(xml=str(syncml_response))
+          tag=subscription.getRelativeUrl()).sendMessage(xml=bytes(syncml_response))
     else:
       # XXX For now always split by one
       activate = subscription.activate

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.SyncMLEngineSynchronous.py

@@ -123,8 +123,9 @@ class SyncMLSynchronousEngine(SyncMLEngineMixin):
       subscription._edit(authenticated_user=None)
 
     # Send the message
-    subscription.sendMessage(xml=str(syncml_response))
-    return str(syncml_response)
+    subscription.sendMessage(xml=bytes(syncml_response))
+
+    return bytes(syncml_response)
 
 
   def processServerSynchronization(self, subscriber, syncml_request):
@@ -222,10 +223,10 @@ class SyncMLSynchronousEngine(SyncMLEngineMixin):
           subscriber.logout()
         subscriber._edit(authenticated_user=None,
                          remaining_object_path_list=None)
-        syncml_response = ""  # XXX This is expected by unit test only
+        syncml_response = b""  # XXX This is expected by unit test only
         # Body must be sent even when there is no data to notify client
 
-    subscriber.sendMessage(xml=str(syncml_response))
+    subscriber.sendMessage(xml=bytes(syncml_response))
 
     # Return message for unit test purpose
-    return str(syncml_response)
+    return bytes(syncml_response)

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.SyncMLMessage.py

@@ -28,6 +28,7 @@
 from lxml.builder import ElementMaker
 from lxml.etree import Element
 from lxml import etree
+import six
 
 from erp5.component.module.XMLSyncUtils import resolveSyncmlStatusCode, \
      encode, resolveSyncmlAlertCode
@@ -60,13 +61,13 @@ class SyncMLResponse(object):
 
   def __len__(self):
     # To check if it has to be done on whole message or only the body
-    return len(etree.tostring(self.body, encoding='utf-8',
-                              xml_declaration=True,
-                              pretty_print=True))
+    return len(bytes(self))
 
-  def __str__(self):
+  def __bytes__(self):
     return etree.tostring(self.data, encoding='utf-8', xml_declaration=True,
                           pretty_print=True)
+  if six.PY2:
+    __str__ = __bytes__
 
   def _getNextCommandId(self):
     """
@@ -117,7 +118,7 @@ class SyncMLResponse(object):
       if authentication_type == 'syncml:auth-basic':
         # base64 formating of "userid:password"
         credential = "%s:%s" % (user_id, password)
-        credential = encode(authentication_format, credential)
+        credential = encode(authentication_format, credential).decode()
       elif authentication_type == "syncml:auth-md5":
         # base64 coded md5 for user "XXX", password "XXX", nonce "XXX"
         raise NotImplementedError("MD5 authentication not supported")
@@ -345,7 +346,7 @@ class SyncMLResponse(object):
     data_node = E.Data()
     # XXX to be remove later to use only CDATA
     if media_type == 'text/xml':
-      if isinstance(data, basestring):
+      if isinstance(data, bytes):
         data_node.append(etree.XML(data, parser=parser))
       elif isinstance(data, etree.CDATA):
         # data could be Data element if partial XML
@@ -421,7 +422,7 @@ class SyncMLRequest(object):
   """ SyncMLRequest represent a message received by the client or server"""
 
   def __init__(self, xml):
-    if isinstance(xml, basestring):
+    if isinstance(xml, bytes):
       self.data = etree.XML(xml, parser=parser)
     else:
       raise ValueError("Do not know how to initialize message with data %r"
@@ -435,9 +436,11 @@ class SyncMLRequest(object):
     self.isFinal = False
     self.parse()
 
-  def __str__(self):
+  def __bytes__(self):
     return etree.tostring(self.data, encoding='utf-8', xml_declaration=True,
                           pretty_print=True)
+  if six.PY2:
+    __str__ = __bytes__
 
   def parse(self):
     """
@@ -590,7 +593,8 @@ class SyncMLRequest(object):
           parser_ = etree.XMLParser(strip_cdata=False)
           cdata = etree.XML(data, parser_)
           data = cdata.text
-        # XXX this is unicode and can be a problem for activity
+        if six.PY3:
+          data = data.encode()
         sync_command_kw["raw_data"] = data
 
       append(sync_command_kw)

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.SyncMLTransportFile.py

@@ -32,8 +32,7 @@ class FileTransport:
   def send(self, to_url, data, sync_id, content_type):
     filename = to_url[len('file:/'):]
     try:
-      stream = open(filename, 'w')
-      stream.write(data)
-      stream.close()
+      with open(filename, 'wb') as stream:
+        stream.write(data)
     except IOError:
       raise ConnectionError

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.SyncMLUtils.py

@@ -38,7 +38,7 @@ from hashlib import md5
 
 from ZPublisher.HTTPRequest import FileUpload
 from OFS.Image import Pdata
-from StringIO import StringIO
+from io import BytesIO
 import transaction
 
 class PdataHelper(persistent.Persistent):
@@ -68,14 +68,14 @@ class PdataHelper(persistent.Persistent):
 
     n = self._max_len
 
-    if isinstance(value, (str, unicode)):
-      if isinstance(value, unicode):
+    if isinstance(value, six.string_types + (six.binary_type, )):
+      if not isinstance(value, six.binary_type):
         value = value.encode('utf-8')
-      size=len(value)
+      size = len(value)
       if size < n:
         return Pdata(value), size
-      # Big string: cut it into smaller chunks
-      value = StringIO(value)
+      # Big data: cut it into smaller chunks
+      value = BytesIO(value)
 
     if isinstance(value, FileUpload) and not value:
       raise ValueError('File not specified')
@@ -161,11 +161,13 @@ class PdataHelper(persistent.Persistent):
     """
     return self.size
 
-  def __str__(self):
+  def __bytes__(self):
     """Return string concatenation
     of all Pdata parts
     """
-    return str(self._data)
+    return bytes(self._data)
+  if six.PY2:
+    __str__ = __bytes__
 
   def getContentMd5(self):
     """
@@ -176,26 +178,20 @@ class PdataHelper(persistent.Persistent):
     self.md5sum = md5sum
     return md5sum
 
-  def __getslice__(self, i, j):
+  def __getitem__(self, i):
     """XXX Could be improved to avoid loading
     into memory all Pdata objects
     """
-    return self.__str__()[i:j]
+    return self.__bytes__()[i]
 
   def getLastPdata(self):
     """return the last Pdata element
     of a Pdata chains
     """
     pdata = self._data
-    if six.PY2:
-      next_ = pdata.next
-    else:
-      next_ = pdata.__next__
+    next_ = pdata.next
 
     while next_ is not None:
       pdata = next_
-      if six.PY2:
-        next_ = pdata.next
-      else:
-        next_ = pdata.__next__
+      next_ = pdata.next
     return pdata

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.VCardConduit.py

@@ -31,6 +31,7 @@ from erp5.component.module.ERP5Conduit import ERP5Conduit
 from AccessControl import ClassSecurityInfo
 from Products.ERP5Type import Permissions
 import difflib
+import six
 
 from zLOG import LOG
 
@@ -56,7 +57,7 @@ class VCardConduit(ERP5Conduit):
     """
     #LOG('VCardConduit',0,'addNode, object=%s, object_id=%s, sub_object:%s, \
         #xml:\n%s' % (str(object), str(object_id), str(sub_object), xml))
-    if not isinstance(xml, str):
+    if not isinstance(xml, bytes):
       xml = self.nodeToString(xml)
     portal_type = 'Person' #the VCard can just use Person
     if sub_object is None:
@@ -161,7 +162,9 @@ class VCardConduit(ERP5Conduit):
     convert_dict['N'] = 'last_name'
     convert_dict['TEL'] = 'default_telephone_text'
     edit_dict = {}
-    vcard_list = vcard.split('\n')
+    if isinstance(vcard, bytes):
+      vcard = vcard.decode('utf-8')
+    vcard_list = vcard.splitlines()
     for vcard_line in vcard_list:
       if ':' in vcard_line:
         property_, property_value = vcard_line.split(':')
@@ -192,12 +195,12 @@ class VCardConduit(ERP5Conduit):
 
         else:
           property_name=property_
-        if isinstance(property_name, unicode):
+        if six.PY2 and isinstance(property_name, six.text_type):
           property_name = property_name.encode('utf-8')
 
         tmp = []
         for property_value in property_value_list:
-          if isinstance(property_value, unicode):
+          if six.PY2 and isinstance(property_value, six.text_type):
             property_value = property_value.encode('utf-8')
           tmp.append(property_value)
         property_value_list = tmp
@@ -226,6 +229,10 @@ class VCardConduit(ERP5Conduit):
   def generateDiff(self, new_data, former_data):
     """return unified diff for plain-text documents
     """
+    if isinstance(new_data, bytes):
+      new_data = new_data.decode('utf-8')
+    if isinstance(former_data, bytes):
+      former_data = former_data.decode('utf-8')
     diff = '\n'.join(difflib.unified_diff(new_data.splitlines(),
                                           former_data.splitlines()))
     return diff

bt5/erp5_syncml/ModuleComponentTemplateItem/portal_components/module.erp5.XMLSyncUtils.py

@@ -29,6 +29,7 @@
 
 import smtplib
 import os
+import six
 from base64 import b64encode, b64decode
 from lxml import etree
 from lxml.builder import ElementMaker
@@ -58,7 +59,10 @@ def encode(format, string_to_encode): # pylint: disable=redefined-builtin
   if not format:
     return string_to_encode
   if format == 'b64':
-    return b64encode(string_to_encode)
+    if not isinstance(string_to_encode, six.binary_type):
+       string_to_encode = string_to_encode.encode()
+    encoded = b64encode(string_to_encode)
+    return encoded
   #elif format is .... put here the other formats
   else:#if there is no format corresponding with format, raise an error
     LOG('encode : unknown or not implemented format : ', INFO, format)
@@ -180,11 +184,10 @@ def getXupdateObject(object_xml=None, old_xml=None):
   """
   erp5diff = ERP5Diff()
   erp5diff.compare(old_xml, object_xml)
-  #Upper version of ERP5Diff produce valid XML.
   if erp5diff._getResultRoot():
-    xupdate = erp5diff.outputString()
-    #omit xml declaration
-    xupdate = xupdate[xupdate.find('<xupdate:modifications'):]
+    xupdate = erp5diff.outputBytes(encoding="utf-8")
+    # omit xml declaration
+    xupdate = xupdate[xupdate.find(b'<xupdate:modifications'):]
     return xupdate
 
 def cutXML(xml_string, length=None):

bt5/erp5_syncml/SkinTemplateItem/portal_skins/erp5_syncml/Person_exportAsVCard.py

@@ -3,13 +3,6 @@ first_name = context.getFirstName()
 last_name = context.getLastName()
 tel = context.getDefaultTelephoneTelephoneNumber()
 
-if same_type(first_name, u'a'):
-  first_name = first_name.encode('utf-8')
-if same_type(last_name, u'a'):
-  last_name = last_name.encode('utf-8')
-if same_type(tel, u'a') :
-  tel = tel.encode('utf-8')
-
 parameters_FN = ''
 parameters_N = ''
 

bt5/erp5_syncml/SkinTemplateItem/portal_skins/erp5_syncml/SQLCatalog_indexSyncMLDocumentList.py

+from six.moves import range
 if not len(path_list):
   return
 restrictedTraverse = context.getPortalObject().restrictedTraverse
@@ -35,7 +36,7 @@ for path in path_list:
     object_list = obj()
   else:
     object_list = [obj,]
-  for x in xrange(0, len(object_list), MAX_PER_QUERY):
+  for x in range(0, len(object_list), MAX_PER_QUERY):
     parameter_dict, parameter_append_list = generateParameterList()
     for obj in object_list[x:x+MAX_PER_QUERY]:
       for value_list, getter in parameter_append_list:

bt5/erp5_syncml/SkinTemplateItem/portal_skins/erp5_syncml/SynchronizationTool_activateCheckPointFixe.py

+from six.moves import range
 sub_path = method_kw.get("subscription_path")
 sub = context.getPortalObject().restrictedTraverse(sub_path)
 search_kw = dict(kw)
@@ -17,7 +18,7 @@ if result_count:
 
   r = [x.getId() for x in r]
   callback_method = getattr(sub.activate(**activate_kw), callback)
-  for i in xrange(0, result_count, packet_size):
+  for i in range(0, result_count, packet_size):
     callback_method(id_list=r[i:i+packet_size],
                     **method_kw)
 

bt5/erp5_syncml/TestTemplateItem/portal_components/test.erp5.testERP5DocumentSyncML.py

@@ -55,9 +55,9 @@ class TestERP5DocumentSyncMLMixin(TestERP5SyncMLMixin):
 
   nb_objects = 10
   #for objects
-  ids = range(1, nb_objects+1)
+  ids = list(range(1, nb_objects+1))
   #id_max_text : number of document text
-  id_max_text = nb_objects/2
+  id_max_text = nb_objects // 2
   id1 = '2'
   id2 = '3'
   #for documents (encoding in unicode for utf-8)
@@ -644,7 +644,7 @@ class TestERP5DocumentSyncML(TestERP5DocumentSyncMLMixin):
     publication = portal_sync[self.pub_id]
     self.assertEqual(len(publication['1']), nb_document)
     gid = self.reference1 +  '-' + self.version1 + '-' + self.language1 # ie the title ''
-    gid = b16encode(gid)
+    gid = b16encode(gid.encode()).decode()
     document_c1 = subscription1.getDocumentFromGid(gid)
     document_s = publication.getSubscriber(self.subscription_url['two_way']).getDocumentFromGid(gid)
     id_s = document_s.getId()

bt5/erp5_syncml/TestTemplateItem/portal_components/test.erp5.testERP5SyncML.py

@@ -31,6 +31,7 @@ import unittest
 from base64 import b64encode, b64decode, b16encode
 from lxml import etree
 from unittest import expectedFailure
+from six import string_types as basestring
 
 from AccessControl.SecurityManagement import newSecurityManager
 from ERP5Diff import ERP5Diff
@@ -43,6 +44,7 @@ from erp5.component.module.SyncMLConstant import MAX_LEN
 from erp5.component.document import SyncMLSubscription
 from erp5.component.module.testERP5SyncMLMixin import TestERP5SyncMLMixin \
      as TestMixin
+from six.moves import range
 
 class TestERP5SyncMLMixin(TestMixin):
 
@@ -255,7 +257,7 @@ class TestERP5SyncMLMixin(TestMixin):
       # only first call will return an answer
       result = portal_sync.processServerSynchronization(publication.getPath())
       self.tic()
-      for _ in xrange(2):
+      for _ in range(2):
         portal_sync.processServerSynchronization(publication.getPath())
         self.tic()
       nb_message += 1
@@ -263,7 +265,7 @@ class TestERP5SyncMLMixin(TestMixin):
         break
       result = portal_sync.processClientSynchronization(subscription.getPath())
       self.tic()
-      for _ in xrange(2):
+      for _ in range(2):
         portal_sync.processClientSynchronization(subscription.getPath())
         self.tic()
       nb_message += 1
@@ -1095,7 +1097,7 @@ return [context[%r]]
     publication = portal_sync[self.pub_id]
     self.assertEqual(len(publication.getDocumentList()), nb_person)
     gid = self.first_name1 +  ' ' + self.last_name1 # ie the title 'Sebastien Robin'
-    gid = b16encode(gid)
+    gid = b16encode(gid.encode()).decode()
     person_c1 = subscription1.getDocumentFromGid(gid)
     person_s = publication.getSubscriber(self.subscription_url1).getDocumentFromGid(gid)
     id_s = person_s.getId()
@@ -1620,7 +1622,7 @@ return [context[%r]]
     # Check same person on client & server side
     client_person_module = self.getPersonClient1()
     server_person_module = self.getPersonServer()
-    for x in xrange(1, 61):
+    for x in range(1, 61):
       client_person = client_person_module._getOb(str(x))
       server_person = server_person_module._getOb(str(x))
       self.assertEqual(client_person.getFirstName(), self.first_name1)
@@ -1643,7 +1645,7 @@ return [context[%r]]
     self.assertEqual(len(subscription1), 0)
     self.assertEqual(len(subscriber), 0)
 
-    for x in xrange(1, 61):
+    for x in range(1, 61):
       client_person = client_person_module._getOb(str(x))
       server_person = server_person_module._getOb(str(x))
       self.assertEqual(client_person.getFirstName(), self.first_name2)
@@ -1663,7 +1665,7 @@ return [context[%r]]
     self.assertEqual(len(subscription1), 0)
     self.assertEqual(len(subscriber), 0)
 
-    for x in xrange(1, 61):
+    for x in range(1, 61):
       client_person = client_person_module._getOb(str(x))
       server_person = server_person_module._getOb(str(x))
       self.assertEqual(client_person.getLastName(), self.last_name2)
@@ -1687,31 +1689,26 @@ return [context[%r]]
 
     self.test_08_FirstSynchronization()
     #define some strings :
-    python = 'www.python.org'
-    awaited_result_python = "d3d3LnB5dGhvbi5vcmc="
-    long_string = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNO\
-PQRSTUVWXYZéèçà@^~µ&²0123456789!@#0^&*();:<>,. []{}\xc3\xa7sdf__\
-sdf\xc3\xa7\xc3\xa7\xc3\xa7_df___&&\xc3\xa9]]]\xc2\xb0\xc2\xb0\xc2\
-\xb0\xc2\xb0\xc2\xb0\xc2\xb0"
-    #= "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZéèçà@^~µ&²012345
-    #6789!@#0^&*();:<>,. []{}çsdf__sdfççç_df___&&é]]]°°°°°°'"
-
-    awaited_result_long_string = "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZH\
-SElKS0xNTk9QUVJTVFVWV1hZWsOpw6jDp8OgQF5+wrUmwrIwMTIzNDU2Nzg5IUAjMF4mKigpOzo8Pi\
-wuIFtde33Dp3NkZl9fc2Rmw6fDp8OnX2RmX19fJibDqV1dXcKwwrDCsMKwwrDCsA=="
+    python = b'www.python.org'
+    awaited_result_python = b"d3d3LnB5dGhvbi5vcmc="
+    long_string = u"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZéèçà@^~µ&²0123456789"\
+                  u"!@#0^&*();:<>,. []{}çsdf__sdfççç_df___&&é]]]°°°°°°'".encode('utf-8')
+    awaited_result_long_string = b'YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXpBQkNERUZH'\
+      b'SElKS0xNTk9QUVJTVFVWV1hZWsOpw6jDp8OgQF5+wrUmwrIwMTIzNDU2Nzg5IUAjMF4mKigpO'\
+      b'zo8PiwuIFtde33Dp3NkZl9fc2Rmw6fDp8OnX2RmX19fJibDqV1dXcKwwrDCsMKwwrDCsCc='
     #test just b64encode
     self.assertEqual(b64encode(python), awaited_result_python)
-    self.assertEqual(b64encode(""), "")
+    self.assertEqual(b64encode(b""), b"")
     self.assertEqual(b64encode(long_string), awaited_result_long_string)
 
     self.assertEqual(b64decode(awaited_result_python), python)
-    self.assertEqual(b64decode(""), "")
+    self.assertEqual(b64decode(b""), b"")
     self.assertEqual(b64decode(awaited_result_long_string), long_string)
 
     # test with the ERP5 functions
     string_encoded = encode('b64', python)
     self.assertEqual(string_encoded, awaited_result_python)
-    string_decoded = decode('b64', awaited_result_python)
+    string_decoded = decode('b64', awaited_result_python.decode())
     self.assertEqual(string_decoded, python)
     self.assertTrue(isDecodeEncodeTheSame(string_encoded,
                     python, 'b64'))
@@ -1720,17 +1717,17 @@ wuIFtde33Dp3NkZl9fc2Rmw6fDp8OnX2RmX19fJibDqV1dXcKwwrDCsMKwwrDCsA=="
 
     string_encoded = encode('b64', long_string)
     self.assertEqual(string_encoded, awaited_result_long_string)
-    string_decoded = decode('b64', awaited_result_long_string)
+    string_decoded = decode('b64', awaited_result_long_string.decode())
     self.assertEqual(string_decoded, long_string)
     self.assertTrue(isDecodeEncodeTheSame(string_encoded,
                     long_string, 'b64'))
     self.assertTrue(isDecodeEncodeTheSame(string_encoded,
                     string_decoded, 'b64'))
 
-    self.assertEqual(encode('b64', ''), '')
-    self.assertEqual(decode('b64', ''), '')
+    self.assertEqual(encode('b64', b''), b'')
+    self.assertEqual(decode('b64', ''), b'')
     self.assertTrue(isDecodeEncodeTheSame(
-                    encode('b64', ''), '', 'b64'))
+                    encode('b64', ''), b'', 'b64'))
 
   def test_35_authentication(self):
     """

bt5/erp5_syncml/ToolComponentTemplateItem/portal_components/tool.erp5.SynchronizationTool.py

@@ -26,6 +26,7 @@
 ##############################################################################
 
 from logging import getLogger
+import six
 
 from AccessControl import ClassSecurityInfo
 
@@ -184,8 +185,7 @@ class SynchronizationTool(BaseTool):
   #
   security.declarePublic('readResponse')
   def readResponse(self, text='', sync_id=None, from_url=None):
-    """
-    We will look at the url and we will see if we need to send mail, http
+    """We will look at the url and we will see if we need to send mail, http
     response, or just copy to a file.
     """
     syncml_logger.info('readResponse sync_id %s, text %s', sync_id, text)
@@ -193,6 +193,9 @@ class SynchronizationTool(BaseTool):
       # we are still anonymous at this time, use unrestrictedSearchResults
       # to fetch the Subcribers
       catalog_tool = self.getPortalObject().portal_catalog.unrestrictedSearchResults
+
+      if isinstance(text, six.text_type):
+        text = text.encode('utf-8')
       syncml_request = SyncMLRequest(text)
 
       # It is assumed that client & server does not share the same database ID
@@ -233,12 +236,12 @@ class SynchronizationTool(BaseTool):
                        % (sync_id, syncml_request.header['target']))
 
     # we use from only if we have a file
-    elif isinstance(from_url, basestring):
+    elif isinstance(from_url, six.string_types):
       if from_url.startswith('file:'):
         filename = from_url[len('file:'):]
         xml = None
         try:
-          stream = open(filename, 'r')
+          stream = open(filename, 'rb')
         except IOError:
           # XXX-Aurel : Why raising here make unit tests to fail ?
           # raise ValueError("Impossible to read file %s, error is %s"
@@ -313,7 +316,7 @@ class SynchronizationTool(BaseTool):
       raise NotImplementedError("Starting sync process from server is forbidden")
 
     # Return message for unit test purpose
-    return str(syncml_response)
+    return bytes(syncml_response)
 
   #
   # Following methods are related to client (subscription)
@@ -362,10 +365,10 @@ class SynchronizationTool(BaseTool):
                          'getAndIndex',
                          'SQLCatalog_indexSyncMLDocumentList'),
         priority=ACTIVITY_PRIORITY,
-        tag=subscription.getRelativeUrl()).sendMessage(str(syncml_response))
+        tag=subscription.getRelativeUrl()).sendMessage(bytes(syncml_response))
     else:
-      subscription.sendMessage(str(syncml_response))
+      subscription.sendMessage(bytes(syncml_response))
 
-    return str(syncml_response)
+    return bytes(syncml_response)
 
 InitializeClass(SynchronizationTool)

bt5/erp5_syncml_test_data/TestTemplateItem/portal_components/test.erp5.testSyncMLAsynchronousEngine.py

@@ -27,6 +27,7 @@
 
 
 from erp5.component.module.testERP5SyncMLMixin import TestERP5SyncMLMixin
+from six.moves import range
 
 
 class testSyncMLAsynchronousEngine(TestERP5SyncMLMixin):
@@ -100,7 +101,7 @@ class testSyncMLAsynchronousEngine(TestERP5SyncMLMixin):
   def _fillModule(self, module, nb_objects):
     self.title_list = []
     append = self.title_list.append
-    for x in xrange(nb_objects):
+    for x in range(nb_objects):
       module.newContent(title=str(x))
       append(str(x))
 

product/ERP5Type/XMLExportImport/__init__.py

@@ -123,7 +123,7 @@ def Base_asXML(object, root=None):
         # Create blocks to represent data
         # <data><block>ZERD</block><block>OEJJM</block></data>
         size_block = 60
-        if isinstance(value, str):
+        if isinstance(value, bytes):
           for index in xrange(0, len(value), size_block):
             content = value[index:index + size_block]
             data_encoded = standard_b64encode(content)
@@ -136,7 +136,10 @@ def Base_asXML(object, root=None):
             for word in value]
         sub_object.append(marshaller(value))
       elif prop_type in ('text', 'string',):
-        sub_object.text = six.text_type(escape(value), 'utf-8')
+        value = escape(value)
+        if six.PY2:
+          value = six.text_type(value, 'utf-8')
+        sub_object.text = value
       elif prop_type != 'None':
         sub_object.text = str(value)
 
@@ -160,15 +163,22 @@ def Base_asXML(object, root=None):
           variable_node = SubElement(workflow_node, workflow_variable,
                                      attrib=dict(type=variable_type))
           if variable_type != 'None':
-            variable_node.text = six.text_type(str(variable_node_text), 'utf-8')
+            variable_node_text = str(variable_node_text)
+            if six.PY2:
+              variable_node_text = six.text_type(str(variable_node_text), 'utf-8')
+            variable_node.text = variable_node_text
 
             if workflow_variable == 'time':
               time = variable_node.text
             elif workflow_variable == 'actor':
               actor = variable_node.text
 
-        workflow_node.attrib['id'] = sha1(workflow_id + time +
-                                             str(actor.encode('utf-8'))).hexdigest()
+        if six.PY2 and isinstance(actor, six.text_type):
+          actor = actor.encode('utf-8')
+        workflow_transition_id = workflow_id + time + actor
+        if six.PY3:
+          workflow_transition_id = workflow_transition_id.encode()
+        workflow_node.attrib['id'] = sha1(workflow_transition_id).hexdigest()
 
   # We should now describe security settings
   for user_role in self.get_local_roles():
@@ -177,7 +187,7 @@ def Base_asXML(object, root=None):
     #convert local_roles in string because marshaller can't do it
     role_list = []
     for role in user_role[1]:
-      if isinstance(role, six.text_type):
+      if six.PY2 and isinstance(role, six.text_type):
         role = role.encode('utf-8')
       role_list.append(role)
     local_role_node.append(marshaller(tuple(role_list)))