Server Buffer is not required on this new Implementation

product/ERP5Configurator/Document/BusinessConfiguration.py

@@ -169,7 +169,7 @@ class BusinessConfiguration(Item):
         ## exec next transition for this business configuration 
         self._executeTransition()
         transition = self.getNextTransition()
-        return None, None, None, None, None
+        return None, None, None, None
       if form_id is None:
         ## go on until you find a form
         self._executeTransition()
@@ -187,7 +187,7 @@ class BusinessConfiguration(Item):
         if self._isAlreadyConfSaveInWorkflowHistory(transition):
           previous = translate("Previous")
         return previous, form_html, form_title, \
-               translate(transition.getTitle()), self.getServerBuffer()
+               translate(transition.getTitle())
 
   security.declarePrivate('_renderFormInContext')
   def _renderFormInContext(self, form_id, context, validation_errors):
@@ -328,23 +328,6 @@ class BusinessConfiguration(Item):
       self._multi_entry_transitions = PersistentMapping()
     self._multi_entry_transitions[transition_url] = max_entry_number
 
-  security.declareProtected(Permissions.ModifyPortalContent, 'setServerBuffer')
-  def setServerBuffer(self, **kw):
-    """ Set what we should return to client. """
-    if getattr(aq_base(self), '_server_buffer', None) is None:
-      self._server_buffer = {}
-    for item, value in kw.items():
-      self._server_buffer[item] = value
-    self._p_changed = 1
-
-  security.declareProtected(Permissions.View, 'getServerBuffer')
-  def getServerBuffer(self):
-    """ Get return buffer which will be sent to client and 
-    afterwards deleted. """
-    server_buffer = getattr(aq_base(self), '_server_buffer', {})
-    self._server_buffer = {}
-    return server_buffer
-
   security.declareProtected(Permissions.ModifyPortalContent, 'setGlobalConfigurationAttr')
   def setGlobalConfigurationAttr(self, **kw):
     """ Set global business configuration attribute. """
@@ -360,7 +343,6 @@ class BusinessConfiguration(Item):
     global_configuration_attributes = getattr(self, '_global_configuration_attributes', {})
     return global_configuration_attributes.get(key, default)
 
-
   ############# Instance and Business Configuration ########################
   security.declareProtected(Permissions.ModifyPortalContent, 'buildConfiguration')
   def buildConfiguration(self, execute_after_setup_script=1):

product/ERP5Configurator/Tool/ConfiguratorTool.py

@@ -335,8 +335,8 @@ class ConfiguratorTool(BaseTool):
             ### client can not continue at the momen
             return self._terminateConfigurationProcess(response,
                 reason='no_available_transitions')
-          response["previous"], html, form_title, response["next"], \
-              response['server_buffer'] = business_configuration._displayNextForm()
+          response["previous"], html, form_title, response["next"] \
+                  = business_configuration._displayNextForm()
         else:
           ## validation passed
           need_validation = 0
@@ -347,9 +347,9 @@ class ConfiguratorTool(BaseTool):
               'no_available_transitions')
         ## validation failure
         rendered = True
-        response["previous"], html, form_title, response["next"], \
-            response['server_buffer'] = business_configuration.\
-            _displayNextForm(validation_errors=validation_errors)
+        response["previous"], html, form_title, response["next"] =\
+            business_configuration._displayNextForm(
+                validation_errors=validation_errors)
 
     if html is None:
       ## we have no more forms proceed to build
@@ -409,7 +409,7 @@ class ConfiguratorTool(BaseTool):
       return self.ConfiguratorTool_dialogForm(form_html = form_html,
                                         next = "Next")
 
-    response['previous'], form_html, form_title, response['next'], server_buffer = \
+    response['previous'], form_html, form_title, response['next'] = \
         business_configuration._displayPreviousForm()
 
     next_state = self.restrictedTraverse(