first submission

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@261 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/XMLExportImport.py

+##############################################################################
+#
+# Copyright (c) 2002-2003 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 Acquisition import aq_base, aq_inner
+
+from cStringIO import StringIO
+from email.MIMEBase import MIMEBase
+from email import Encoders
+import pickle
+
+from zLOG import LOG
+
+def Base_asXML(object, ident=0):
+  """
+      Generate an xml text corresponding to the content of this object
+  """
+  self = object
+  xml = ''
+  if ident==0:
+    xml += '<erp5>'
+  LOG('asXML',0,'Working on: %s' % str(self.getPhysicalPath()))
+  ident_string = '' # This is used in order to have the ident incremented
+                    # for every sub-object
+  for i in range(0,ident):
+    ident_string += ' '
+  xml += ident_string + '<object id=\"%s\" portal_type=\"%s\">\n' % \
+                        (self.getId(),self.portal_type)
+
+  # We have to find every property
+  for prop_id in self.propertyIds():
+    # In most case, we should not synchronize acquired properties
+    prop = ''
+    #if not prop.has_key('acquisition_base_category') \
+    #   and prop['id'] != 'categories_list' and prop['id'] != 'uid':
+    if prop_id not in ('uid','workflow_history'):
+      prop_type = self.getPropertyType(prop_id)
+      xml_prop_type = 'type="' + prop_type + '"'
+      #try:
+      value = self.getProperty(prop_id)
+      #except AttributeError:
+      #  value=None
+
+      xml += ident_string + '  <%s %s>' %(prop_id,xml_prop_type)
+      if value is None:
+        pass
+#       elif prop_type in ('image','file','document'):
+#         LOG('asXML',0,'value: %s' % str(value))
+#         # This property is binary and should be converted with mime
+#         msg = MIMEBase('application','octet-stream')
+#         msg.set_payload(value.getvalue())
+#         Encoders.encode_base64(msg)
+#         ascii_data = msg.get_payload()
+#         ascii_data = ascii_data.replace('\n','@@@\n')
+#         xml+=ascii_data
+      elif prop_type in ('pickle',):
+        # We may have very long lines, so we should split
+        value = pickle.dumps(value)
+        msg = MIMEBase('application','octet-stream')
+        msg.set_payload(value)
+        Encoders.encode_base64(msg)
+        ascii_data = msg.get_payload()
+        ascii_data = ascii_data.replace('\n','@@@\n')
+        xml+=ascii_data
+      elif self.getPropertyType(prop_id) in ['lines','tokens']:
+        i = 1
+        for line in value:
+          xml += '%s' % line
+          if i<len(value):
+            xml+='@@@' # XXX very bad hack, must find something better
+          i += 1
+      elif self.getPropertyType(prop_id) in ('text','string'):
+        xml += str(value).replace('\n','@@@')
+      else:
+        xml+= str(value)
+      xml += '</%s>\n' % prop_id
+
+  # We have to describe the workflow history
+  if hasattr(self,'workflow_history'):
+    workflow_list = self.workflow_history
+    workflow_list_keys = workflow_list.keys()
+    workflow_list_keys.sort() # Make sure it is sorted
+
+    for workflow_id in workflow_list_keys:
+      #xml += ident_string + '    <workflow_history id=\"%s\">\n' % workflow_id
+      for workflow_action in workflow_list[workflow_id]: # It is already sorted
+        xml += ident_string + '      <workflow_action id=\"%s\">\n'  % workflow_id
+        worfklow_variable_list = workflow_action.keys()
+        worfklow_variable_list.sort()
+        for workflow_variable in worfklow_variable_list: # Make sure it is sorted
+          variable_type = "string" # Somewhat bad, should find a better way
+          if workflow_variable.find('time')>= 0:
+            variable_type = "date"
+          xml += ident_string + '        <%s type=\"%s\">%s' % (workflow_variable,
+                              variable_type,workflow_action[workflow_variable])
+          xml += '</%s>\n' % workflow_variable
+        xml += ident_string + '      </workflow_action>\n'
+      #xml += ident_string + '    </workflow_history>\n'
+    #xml += ident_string + '  </workflow_history>\n'
+
+  # We should not describe security settings
+  for user_role in self.get_local_roles():
+    xml += ident_string + '    <local_role>%s' % user_role[0]
+    for role in user_role[1]:
+      xml += '@@@'
+      xml += '%s' % role
+    xml += '</local_role>\n'
+
+  # We have finished to generate the xml
+  xml += ident_string + '</object>\n'
+  if ident==0:
+    xml += '</erp5>'
+  # Now convert the string as unicode
+  if type(xml) is type(u"a"):
+    xml_unicode = xml
+  else:
+    xml_unicode = unicode(xml,encoding='iso-8859-1')
+  return xml_unicode.encode('utf-8')
+
+def Folder_asXML(object, ident=0):
+  """
+      Generate an xml text corresponding to the content of this object
+  """
+  self = object
+  xml = ''
+  xml += Base_asXML(self, ident=ident)
+  xml = xml[:xml.rfind('</object>')]
+  # Make sure the list of sub objects is ordered
+  object_value_list = list(self.objectValues())
+  object_value_list.sort(lambda x, y: cmp(x.getId(), y.getId()))
+  # Append to the xml the xml of subobjects
+  for o in object_value_list:
+    aq_ob = aq_base(o)
+    if hasattr(aq_ob, 'asXML'):
+      o_xml = o.asXML(ident=ident+2)
+      if type(o_xml) is type('a'):
+        xml += o_xml
+  xml += '</object>\n'
+  if ident==0:
+    xml += '</erp5>'
+  return xml