############################################################################## # # Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved. # Sebastien Robin <seb@nexedi.com> # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsability of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # garantees and support are strongly adviced to contract a Free Software # Service Company # # This program is Free Software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ############################################################################## from Products.ERP5SyncML.SyncCode import SyncCode from Products.ERP5SyncML.XMLSyncUtils import XMLSyncUtilsMixin from Products.ERP5SyncML.Subscription import Conflict from Products.CMFCore.utils import getToolByName from Products.ERP5SyncML.XupdateUtils import XupdateUtils from Products.ERP5Type.Utils import convertToUpperCase from Products.ERP5Type.Accessor.TypeDefinition import list_types from xml.dom.ext.reader.Sax2 import FromXml from DateTime.DateTime import DateTime from email.MIMEBase import MIMEBase from email import Encoders import pickle import string from xml.dom.ext import PrettyPrint from cStringIO import StringIO import re, copy from zLOG import LOG class ERP5Conduit(XMLSyncUtilsMixin): """ A conduit is a piece of code in charge of - updating an object attributes from an XUpdate XML stream (Conduits are not in charge of creating new objects which are eventually missing in a synchronisation process) If an object has be created during a synchronisation process, the way to proceed consists in: 1- creating an empty instance of the appropriate class in the appropriate directory 2- updating that empty instance with the conduit The first implementation of ERP5 synchronisation will define a default location to create new objects and a default class. This will be defined at the level of the synchronisation tool XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXx Look carefully when we are adding elements, for example, when we do 'insert-after', with 2 xupdate:element, so adding 2 differents objects, actually it adds only XXXX one XXX object In this case the getSubObjectDepth(), doesn't have too much sence XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX There is also one problem, when we synchronize a conflict, we are not waiting the response of the client, so that we are not sure if it take into account, we may have CONFLICT_NOT_SYNCHRONIZED AND CONFLICT_SYNCHRONIZED XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX """ def getEncoding(self): """ return the string corresponding to the local encoding """ return "iso-8859-1" def __init__(self): self.args = {} def addNode(self, xml=None, object=None, previous_xml=None, force=0, **kw): """ A node is added xml : the xml wich contains what we want to add object : from where we want to add something previous_xml : the previous xml of the object, if any force : apply updates even if there's a conflict This fucntion returns conflict_list, wich is of the form, [conflict1,conflict2,...] where conclict1 is of the form : [object.getPath(),keyword,local_and_actual_value,remote_value] """ conflict_list = [] xml = self.convertToXml(xml) LOG('addNode',0,'xml_reconstitued: %s' % str(xml)) # In the case where this new node is a object to add LOG('addNode',0,'object.id: %s' % object.getId()) LOG('addNode',0,'xml.nodeName: %s' % xml.nodeName) LOG('addNode',0,'isSubObjectAdd: %i' % self.getSubObjectDepth(xml)) if xml.nodeName in self.XUPDATE_INSERT_OR_ADD and self.getSubObjectDepth(xml)==0: for element in self.getXupdateElementList(xml): xml = self.getElementFromXupdate(element) conflict_list += self.addNode(xml=xml,object=object, previous_xml=previous_xml, force=force, **kw) elif xml.nodeName == 'object': object_id = self.getAttribute(xml,'id') docid = self.getObjectDocid(xml) LOG('addNode',0,'object_id: %s' % object_id) if object_id is not None: try: subobject = object._getOb(object_id) except (AttributeError, KeyError): subobject = None if subobject is None: # If so, it doesn't exist portal_type = '' if xml.nodeName == 'object': portal_type = self.getObjectType(xml) elif xml.nodeName in self.XUPDATE_INSERT_OR_ADD: # Deprecated ??? portal_type = self.getXupdateObjectType(xml) # Deprecated ??? portal_types = getToolByName(object,'portal_types') LOG('ERP5Conduit.addNode',0,'portal_type: |%s|' % str(portal_type)) if docid==None: # ERP5 content portal_types.constructContent(type_name = portal_type, container = object, id = object_id) else: # CPS content # This is specific to CPS, we will call the proxy tool px_tool= getToolByName(object,'portal_proxies') proxy_type = 'document' if portal_type == 'Workspace': proxy_type = 'folder' proxy = px_tool.createEmptyProxy(proxy_type, object,portal_type,object_id,docid=docid) proxy.isIndexable = 0 # So it will not be reindexed, this prevent errors # Calculate rpath utool = getToolByName(object, 'portal_url') rpath = utool.getRelativeUrl(object) px_tool._modifyProxy(proxy,rpath) subobject = object._getOb(object_id) self.newObject(object=subobject,xml=xml) elif xml.nodeName in self.XUPDATE_INSERT_OR_ADD \ and self.getSubObjectDepth(xml)>=1: sub_object_id = self.getSubObjectId(xml) LOG('addNode',0,'getSubObjectModification number: %s' % sub_object_id) if previous_xml is not None and sub_object_id is not None: LOG('addNode',0,'previous xml is not none and also sub_object_id') # Find the previous xml corresponding to this subobject sub_previous_xml = self.getSubObjectXml(sub_object_id,previous_xml) LOG('addNode',0,'isSubObjectModification sub_p_xml: %s' % str(sub_previous_xml)) if sub_previous_xml is not None: sub_object = None try: sub_object = object._getOb(sub_object_id) except (AttributeError, KeyError): pass if sub_object is not None: LOG('addNode',0,'subobject.id: %s' % sub_object.id) # Change the xml in order to directly apply # modifications to the subobject sub_xml = self.getSubObjectXupdate(xml) LOG('addNode',0,'sub_xml: %s' % str(sub_xml)) # Then do the udpate conflict_list += self.addNode(xml=sub_xml,object=sub_object, previous_xml=sub_previous_xml, force=force) elif xml.nodeName == self.history_tag or self.isHistoryAdd(xml)>0: #return conflict_list # XXX to be removed soon # We want to add a workflow action wf_tool = getToolByName(object,'portal_workflow') wf_id = self.getAttribute(xml,'id') if wf_id is None: # History added by xupdate wf_id = self.getHistoryIdFromSelect(xml) xml = self.getElementNodeList(xml)[0] # xml = self.getElementFromXupdate(xml) # This doesn't works, because with subnodes, # not only text as before LOG('addNode, workflow_history id:',0,wf_id) LOG('addNode, workflow_history xml:',0,xml) for action in self.getWorkflowActionFromXml(xml): status = self.getStatusFromXml(action) LOG('addNode, status:',0,status) wf_tool.setStatusOf(wf_id,object,status) elif xml.nodeName in self.local_role_list: #return conflict_list # XXX to be removed soon # We want to add a local role #user = self.getParameter(xml,'user') roles = self.convertXmlValue(xml.childNodes[0].data,data_type='tokens') roles = list(roles) # Needed for CPS, or we have a CPS error user = roles[0] roles = roles[1:] object.manage_setLocalRoles(user,roles) else: conflict_list += self.updateNode(xml=xml,object=object, force=force, **kw) return conflict_list def deleteNode(self, xml=None, object=None, object_id=None, force=None, **kw): """ A node is deleted """ # In the case where this new node is a object to delete LOG('ERP5Conduit',0,'deleteNode') LOG('ERP5Conduit',0,'deleteNode, object.id: %s' % object.getId()) conflict_list = [] if xml is not None: xml = self.convertToXml(xml) if object_id is None: LOG('ERP5Conduit',0,'deleteNode, SubObjectDepth: %i' % self.getSubObjectDepth(xml)) if xml.nodeName == self.xml_object_tag: object_id = self.getAttribute(xml,'id') elif self.getSubObjectDepth(xml)==1: object_id = self.getSubObjectId(xml) elif self.getSubObjectDepth(xml)==2: # we have to call delete node on a subsubobject sub_object_id = self.getSubObjectId(xml) try: sub_object = object._getOb(sub_object_id) sub_xml = self.getSubObjectXupdate(xml) conflict_list += self.deleteNode(xml=sub_xml,object=sub_object, force=force) except KeyError: pass else: # We do have an object_id try: object._delObject(object_id) except (AttributeError, KeyError): LOG('ERP5Conduit',0,'deleteNode, Unable to delete: %s' % str(object_id)) pass return conflict_list def updateNode(self, xml=None, object=None, previous_xml=None, force=0, **kw): """ A node is updated with some xupdate - xml : the xml corresponding to the update, it should be xupdate - object : the object on wich we want to apply the xupdate - [previous_xml] : the previous xml of the object, it is mandatory when we have sub objects """ conflict_list = [] xml = self.convertToXml(xml) LOG('updateNode',0,'xml.nodeName: %s' % xml.nodeName) # we have an xupdate xml if xml.nodeName == 'xupdate:modifications': #xupdate_utils = XupdateUtils() xupdate_utils = self conflict_list += xupdate_utils.applyXupdate(object=object,xupdate=xml,conduit=self, previous_xml=previous_xml, force=force) # we may have only the part of an xupdate else: args = {} LOG('isSubObjectModification',0,'result: %s' % str(self.isSubObjectModification(xml))) if self.isProperty(xml) and not(self.isSubObjectModification(xml)): keyword = None for subnode in self.getAttributeNodeList(xml): if subnode.nodeName=='select': LOG('updateNode',0,'selection: %s' % str(subnode.nodeValue)) select_list = subnode.nodeValue.split('/') # Something like: #('','object[1]','sid[1]') new_select_list = () for select_item in select_list: if select_item.find('[')>=0: select_item = select_item[:select_item.find('[')] new_select_list += (select_item,) select_list = new_select_list # Something like : ('','object','sid') keyword = select_list[len(select_list)-1] # this will be 'sid' data_xml = xml data = None LOG('updateNode',0,'keyword: %s' % str(keyword)) if not (xml.nodeName in self.XUPDATE_INSERT_OR_ADD): for subnode in self.getElementNodeList(xml): if subnode.nodeName=='xupdate:element': for subnode1 in subnode.attributes: if subnode1.nodeName=='name': keyword = subnode1.nodeValue data_xml = subnode if len(self.getElementNodeList(data_xml))==0: try: data = data_xml.childNodes[0].data except IndexError: # There is no data data = None if not (keyword in self.NOT_EDITABLE_PROPERTY): # We will look for the data to enter data_type = object.getPropertyType(keyword) LOG('updateNode',0,'data_type: %s' % str(data_type)) data = self.convertXmlValue(data,data_type=data_type) args[keyword] = data args = self.getFormatedArgs(args=args) # This is the place where we should look for conflicts # For that we need : # - data : the data from the remote box # - old_data : the data from this box but at the time of the last synchronization # - current_data : the data actually on this box isConflict = 0 if previous_xml is not None: # if no previous_xml, no conflict old_data = self.getObjectProperty(keyword,previous_xml,data_type=data_type) current_data = object.getProperty(keyword) LOG('updateNode',0,'Conflict data: %s' % str(data)) LOG('updateNode',0,'Conflict old_data: %s' % str(old_data)) LOG('updateNode',0,'Conflict current_data: %s' % str(current_data)) if (old_data != current_data) and (data != current_data): LOG('updateNode',0,'Conflict on : %s' % keyword) # Hack in order to get the synchronization working for demo # XXX this have to be removed after #if not (data_type in self.binary_type_list): if 1: # This is a conflict isConflict = 1 string_io = StringIO() PrettyPrint(xml,stream=string_io) conflict = Conflict(object_path=object.getPhysicalPath()) conflict.setXupdate(string_io.getvalue()) conflict_list += [conflict] #conflict_list += [Conflict(object_path=object.getPhysicalPath(), # keyword=keyword, # xupdate=string_io)] #local_value=current_data, # not needed any more #remote_value=data)] # not needed any more # We will now apply the argument with the method edit if args != {} and (isConflict==0 or force): LOG('updateNode',0,'object._edit, args: %s' % str(args)) object._edit(**args) #if hasattr(object,'getDocid'): # This is a proxy, CPS if keyword == 'object': # This is the case where we have to call addNode LOG('updateNode',0,'we will add sub-object') conflict_list += self.addNode(xml=subnode,object=object,force=force) elif keyword == self.history_tag: # This is the case where we have to call addNode LOG('updateNode',0,'we will add history') conflict_list += self.addNode(xml=subnode,object=object,force=force) elif keyword == self.local_role_tag: # This is the case where we have to call addNode LOG('updateNode',0,'we will add a local role') roles = self.convertXmlValue(data,data_type='tokens') user = roles[0] roles = roles[1:] object.manage_setLocalRoles(user,roles) elif self.isSubObjectModification(xml): # We should find the object corresponding to # this update, so we have to look in the previous_xml sub_object_id = self.getSubObjectId(xml) LOG('updateNode',0,'getSubObjectModification number: %s' % sub_object_id) if previous_xml is not None and sub_object_id is not None: LOG('updateNode',0,'previous xml is not none and also sub_object_id') sub_previous_xml = self.getSubObjectXml(sub_object_id,previous_xml) LOG('updateNode',0,'isSubObjectModification sub_p_xml: %s' % str(sub_previous_xml)) if sub_previous_xml is not None: sub_object = None try: sub_object = object[sub_object_id] except KeyError: pass if sub_object is not None: LOG('updateNode',0,'subobject.id: %s' % sub_object.id) # Change the xml in order to directly apply # modifications to the subobject sub_xml = self.getSubObjectXupdate(xml) LOG('updateNode',0,'sub_xml: %s' % str(sub_xml)) # Then do the udpate conflict_list += self.updateNode(xml=sub_xml,object=sub_object, force=force, previous_xml=sub_previous_xml) return conflict_list def getFormatedArgs(self, args=None): """ This lookd inside the args dictionnary and then convert any unicode string to string """ LOG('ERP5Conduit.getFormatedArgs',0,'args: %s' % str(args)) new_args = {} for keyword in args.keys(): data = args[keyword] if type(keyword) is type(u"a"): keyword = keyword.encode(self.getEncoding()) if type(data) is type([]) or type(data) is type(()): new_data = [] for item in data: if type(item) is type(u"a"): item = item.encode(self.getEncoding()) item = item.replace('@@@','\n') new_data += [item] data = new_data if type(data) is type(u"a"): data = data.encode(self.getEncoding()) data = data.replace('@@@','\n') if keyword == 'binary_data': LOG('ERP5Conduit.getFormatedArgs',0,'binary_data keyword: %s' % str(keyword)) msg = MIMEBase('application','octet-stream') Encoders.encode_base64(msg) msg.set_payload(data) data = msg.get_payload(decode=1) new_args[keyword] = data return new_args def isProperty(self, xml): """ Check if it is a simple property """ bad_list = (self.sub_object_exp,self.history_exp) for subnode in self.getAttributeNodeList(xml): if subnode.nodeName=='select': value = subnode.nodeValue for bad_string in bad_list: if re.search(bad_string,value) is not None: return 0 return 1 def getSubObjectXupdate(self, xml): """ This will change the xml in order to change the update from the object to the subobject """ xml = copy.deepcopy(xml) for subnode in self.getAttributeNodeList(xml): if subnode.nodeName=='select': subnode.nodeValue = self.getSubObjectSelect(subnode.nodeValue) return xml def isHistoryAdd(self, xml): bad_list = (self.history_exp) for subnode in self.getAttributeNodeList(xml): if subnode.nodeName=='select': value = subnode.nodeValue for bad_string in bad_list: if re.search(bad_string,value) is not None: return 1 return 0 def isSubObjectModification(self, xml): """ Check if it is a modification from an subobject """ good_list = (self.sub_object_exp,) for subnode in self.getAttributeNodeList(xml) : if subnode.nodeName=='select': value = subnode.nodeValue LOG('isSubObjectModification',0,'value: %s' % value) for good_string in good_list: if re.search(good_string,value) is not None: return 1 return 0 def getSubObjectDepth(self, xml): """ Give the Depth of a subobject modification 0 means, no depth 1 means it is a subobject 2 means it is more depth than subobject """ LOG('getSubObjectDepth',0,'xml.nodeName: %s' % xml.nodeName) if xml.nodeName in self.XUPDATE_TAG: i = 0 if xml.nodeName in self.XUPDATE_INSERT: i = 1 LOG('getSubObjectDepth',0,'xml2.nodeName: %s' % xml.nodeName) for subnode in self.getAttributeNodeList(xml): LOG('getSubObjectDepth',0,'subnode.nodeName: %s' % subnode.nodeName) if subnode.nodeName == 'select': value = subnode.nodeValue LOG('getSubObjectDepth',0,'subnode.nodeValue: %s' % subnode.nodeValue) if re.search(self.sub_sub_object_exp,value) is not None: return 2 # This is sure in all cases elif re.search(self.sub_object_exp,value) is not None: #new_select = self.getSubObjectSelect(value) # Still needed ??? #if self.getSubObjectSelect(new_select) != new_select: # return (2 - i) #return (1 - i) return (2 - i) elif re.search(self.object_exp,value) is not None: return (1 - i) return 0 def getSubObjectSelect(self, select): """ Return a string wich is the selection for the subobject ex: for "/object[@id='161']/object[@id='default_address']/street_address" if returns "/object[@id='default_address']/street_address" """ if re.search(self.object_exp,select) is not None: s = '/' if re.search('/.*/',select) is not None: # This means we have more than just object new_value = select[select.find(s,select.find(s)+1):] else: new_value = '/' select = new_value return select def getSubObjectId(self, xml): """ Return the id of the subobject in an xupdate modification """ object_id = None for subnode in self.getAttributeNodeList(xml): if subnode.nodeName=='select': value = subnode.nodeValue if re.search(self.object_exp,value) is not None: s = "'" first = value.find(s)+1 object_id = value[first:value.find(s,first)] return object_id return object_id def getHistoryIdFromSelect(self, xml): """ Return the id of the subobject in an xupdate modification """ object_id = None for subnode in self.getAttributeNodeList(xml): if subnode.nodeName=='select': value = subnode.nodeValue if re.search(self.history_exp,value) is not None: s = self.history_tag object_id = value[value.find(s):] object_id = object_id[object_id.find("'")+1:] object_id = object_id[:object_id.find("'")] return object_id return object_id def getSubObjectXml(self, object_id, xml): """ Return the xml of the subobject which as the id object_id """ xml = self.convertToXml(xml) for subnode in self.getElementNodeList(xml): if subnode.nodeName==self.xml_object_tag: LOG('getSub0bjectXml: object_id:',0,object_id) if object_id == self.getAttribute(subnode,'id'): return subnode return None # def getObjectId(self, xml): # """ # Retrieve the id # # XXX Deprecated, we should use instead, getParameter(xml,'id') XXX # """ # for attribute in self.getAttributeNodeList(xml): # if attribute.nodeName == 'id': # data = attribute.childNodes[0].data # return self.convertXmlValue(data) # return None def getAttribute(self, xml, param): """ Retrieve the given parameter from the xml """ for attribute in self.getAttributeNodeList(xml): if attribute.nodeName == param: data = attribute.childNodes[0].data return self.convertXmlValue(data,data_type='string') return None def getObjectDocid(self, xml): """ Retrieve the docid """ for subnode in self.getElementNodeList(xml): if subnode.nodeName == 'docid': data = subnode.childNodes[0].data return self.convertXmlValue(data) return None def getObjectProperty(self, property, xml, data_type=None): """ Retrieve the given property """ xml = self.convertToXml(xml) # document, with childNodes[0] a DocumentType and childNodes[1] the Element Node for subnode in self.getElementNodeList(xml): if subnode.nodeName == property: if data_type is None: data_type = self.getPropertyType(subnode) try: data = subnode.childNodes[0].data except IndexError: # There is no data data = None data = self.convertXmlValue(data, data_type=data_type) LOG('getObjectProperty',0,'prop; %s, data_type:%s, data: %s' % (property,data_type,data)) return data return None def convertToXml(self,xml): """ if xml is a string, convert it to a node """ if type(xml) in (type('a'),type(u'a')): xml = FromXml(xml) xml = xml.childNodes[1] # Because we just created a new xml # If we have the xml from the node erp5, we just take the subnode if xml.nodeName=='erp5': xml = self.getElementNodeList(xml)[0] return xml def getObjectType(self, xml): """ Retrieve the portal type from an xml """ portal_type = None for subnode in self.getAttributeNodeList(xml): if subnode.nodeName=='portal_type': portal_type = subnode.nodeValue portal_type = self.convertXmlValue(portal_type) return portal_type return portal_type def getPropertyType(self, xml): """ Retrieve the portal type from an xml """ p_type = None for subnode in self.getAttributeNodeList(xml): if subnode.nodeName=='type': p_type = subnode.nodeValue p_type = self.convertXmlValue(p_type,data_type='string') return p_type return p_type def getXupdateObjectType(self, xml): """ Retrieve the portal type from an xupdate XXXX This should not be used any more !!! XXXXXXXXXXX """ if xml.nodeName.find('xupdate')>=0: for subnode in self.getElementNodeList(xml): if subnode.nodeName == 'xupdate:element': for subnode1 in self.getElementNodeList(subnode): if subnode1.nodeName == 'xupdate:attribute': for attribute in subnode1.attributes: if attribute.nodeName == 'name': if attribute.nodeValue == 'portal_type': data = subnode1.childNodes[0].data data = self.convertXmlValue(data) return data return None def newObject(self, object=None, xml=None): """ modify the object with datas from the xml (action section) """ args = {} # Retrieve the list of users with a role and delete default roles user_role_list = map(lambda x:x[0],object.get_local_roles()) object.manage_delLocalRoles(user_role_list) if xml.nodeName.find('xupdate')>= 0: xml = self.getElementNodeList(xml)[0] for subnode in self.getElementNodeList(xml): if not(subnode.nodeName in self.NOT_EDITABLE_PROPERTY): keyword_type = self.getPropertyType(subnode) LOG('newObject',0,str(subnode.childNodes)) # This is the case where the property is a list keyword=str(subnode.nodeName) if len(subnode.childNodes) > 0: # We check that this tag is not empty data = subnode.childNodes[0].data args[keyword]=data LOG('newObject',0,'keyword: %s' % str(keyword)) LOG('newObject',0,'keywordtype: %s' % str(keyword_type)) #if args.has_key(keyword): # LOG('newObject',0,'data: %s' % str(args[keyword])) if args.has_key(keyword): args[keyword] = self.convertXmlValue(args[keyword],keyword_type) elif subnode.nodeName in self.ADDABLE_PROPERTY: self.addNode(object=object,xml=subnode) # We should first edit the object args = self.getFormatedArgs(args=args) LOG('newObject',0,"object.getpath: %s" % str(object.getPath())) LOG('newObject',0,"args: %s" % str(args)) # edit the object with a dictionnary of arguments, # like {"telephone_number":"02-5648"} object._edit(**args) # Then we may create subobject for subnode in self.getElementNodeList(xml): if subnode.nodeName in (self.xml_object_tag,self.history_tag): self.addNode(object=object,xml=subnode) def getStatusFromXml(self, xml): """ Return a worklow status from xml """ status = {} for subnode in self.getElementNodeList(xml): keyword = self.convertXmlValue(subnode.nodeName) value = self.getObjectProperty(keyword,xml) status[keyword] = value return status def getXupdateElementList(self, xml): """ Retrieve the list of xupdate:element subnodes """ e_list = [] for subnode in self.getElementNodeList(xml): if subnode.nodeName in self.XUPDATE_EL: e_list += [subnode] LOG('getXupdateElementList, e_list:%',0,e_list) return e_list def getElementFromXupdate(self, xml): """ from a xupdate:element returns the element as xml """ if xml.nodeName in self.XUPDATE_EL: result = '<' result += xml.attributes[0].nodeValue for subnode in self.getElementNodeList(xml): #getElementNodeList if subnode.nodeName == 'xupdate:attribute': result += ' ' + subnode.attributes[0].nodeValue + '=' result += '"' + subnode.childNodes[0].nodeValue + '"' result += '>' # Then dumps the xml and remove what we does'nt want xml_string = StringIO() PrettyPrint(xml,xml_string) xml_string = xml_string.getvalue() maxi = max(xml_string.find('>')+1,\ xml_string.rfind('</xupdate:attribute>')+len('</xupdate:attribute>')) result += xml_string[maxi:xml_string.find('</xupdate:element>')] result += '</' + xml.attributes[0].nodeValue + '>' LOG('getElementFromXupdate, result:',0,result) return self.convertToXml(result) return xml def getWorkflowActionFromXml(self, xml): """ Return the list of workflow actions """ action_list = [] if xml.nodeName in self.XUPDATE_EL: action_list += [xml] return action_list for subnode in self.getElementNodeList(xml): if subnode.nodeName == self.action_tag: action_list += [subnode] return action_list def convertXmlValue(self, data, data_type=None): """ It is possible that the xml change the value, for example there is some too much '\n' and some spaces. We have to do some extra things so that we convert correctly the vlalue """ if data is None: if data_type in self.list_type_list: data = () if data_type in self.text_type_list: data = '' return data data = data.replace('\n','') if type(data) is type(u"a"): data = data.encode(self.getEncoding()) # We can now convert string in tuple, dict, binary... if data_type in self.list_type_list: if type(data) is type('a'): data = tuple(data.split('@@@')) elif data_type in self.text_type_list: data = data.replace('@@@','\n') # elif data_type in self.binary_type_list: # data = data.replace('@@@','\n') # msg = MIMEBase('application','octet-stream') # Encoders.encode_base64(msg) # msg.set_payload(data) # data = msg.get_payload(decode=1) elif data_type in self.pickle_type_list: data = data.replace('@@@','\n') msg = MIMEBase('application','octet-stream') Encoders.encode_base64(msg) msg.set_payload(data) data = msg.get_payload(decode=1) data = pickle.loads(data) elif data_type in self.date_type_list: data = DateTime(data) elif data_type in self.dict_type_list: dict_list = map(lambda x:x.split(':'),data[1:-1].split(',')) data = map(lambda (x,y):(x.replace(' ','').replace("'",''),int(y)),dict_list) data = dict(data) LOG('convertXmlValue',0,'data: %s' % str(data)) return data # XXX is it the right place ? It should be in XupdateUtils, but here we # have some specific things to do def applyXupdate(self, object=None, xupdate=None, conduit=None, force=0, **kw): """ Parse the xupdate and then it will call the conduit """ conflict_list = [] if type(xupdate) in (type('a'),type(u'a')): xupdate = FromXml(xupdate) for subnode in self.getElementNodeList(xupdate): sub_xupdate = self.getSubObjectXupdate(subnode) selection_name = '' if subnode.nodeName in self.XUPDATE_INSERT_OR_ADD: conflict_list += conduit.addNode(xml=sub_xupdate,object=object, \ force=force, **kw) elif subnode.nodeName in self.XUPDATE_DEL: conflict_list += conduit.deleteNode(xml=sub_xupdate, object=object, \ force=force, **kw) elif subnode.nodeName in self.XUPDATE_UPDATE: conflict_list += conduit.updateNode(xml=sub_xupdate, object=object, \ force=force, **kw) #elif subnode.nodeName in self.XUPDATE_INSERT: # conflict_list += conduit.addNode(xml=subnode, object=object, force=force, **kw) return conflict_list