slapos_rss_style: Use extra script to workarround security

   node_title is another person/organisation title, which was raising if an administrator use himself as sender on the event.

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/Base_getEventList.py

@@ -52,14 +52,15 @@ for brain in portal.portal_simulation.getMovementHistoryList(
    ticket_category,
    ticket_link) = getTicketInfo(event)
 
+  author, date = event.Base_getNodeTitleAndDate(brain)
   data_list.append(
       Object(**{
         'title': ticket_title,
         'category': ticket_category,
-        'author': brain.node_title,
+        'author': author,
         'link': ticket_link,
         'description': event.getTextContent(),
-        'pubDate': brain.date,
+        'pubDate': date,
         'guid': '{}-{}'.format(
                   event.getFollowUp(),
                   event.getRelativeUrl()),

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/Base_getNodeTitleAndDate.py

+""" Workarround security to extract the sender information,
+ w/o raise security.
+"""
+return brain.node_title, brain.date

master/bt5/slapos_rss_style/SkinTemplateItem/portal_skins/slapos_rss_style/Base_getNodeTitleAndDate.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string>brain</string> </value>
+        </item>
+        <item>
+            <key> <string>_proxy_roles</string> </key>
+            <value>
+              <tuple>
+                <string>Manager</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Base_getNodeTitleAndDate</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>