Added method to collect few informations about installed business templates

Only name and revision.

product/ERP5/Tool/IntrospectionTool.py

@@ -356,6 +356,17 @@ class IntrospectionTool(LogMixin, BaseTool):
 
     return get_system_version_dict()
 
+  security.declareProtected(Permissions.ManagePortal,
+  security.declareProtected(Permissions.ManagePortal, 
+      '_getBusinessTemplateRevisionDict')
+  def _getBusinessTemplateRevisionDict(self):
+    """ Return a Dictionary of installed business templates and their revisions
+    """
+    business_template_dict = {}
+    for installed in self.portal_templates.getInstalledBusinessTemplateList():
+       business_template_dict[installed.getTitle()] = installed.getRevision()
+    return business_template_dict
+
   security.declareProtected(Permissions.ManagePortal,
       '_getActivityDict')
   def _getActivityDict(self):