Fixed a longstanding bug which prevented the help system from working with an...

Fixed a longstanding bug which prevented the help system from working with an existing product that was not help system aware. This should allow the help system to work correctly with existing Zope installations.

lib/python/App/ProductContext.py

@@ -87,6 +87,7 @@
 from AccessControl.PermissionRole import PermissionRole
 import Globals, os, OFS.ObjectManager, OFS.misc_, Products, OFS.PropertySheets
 from HelpSys import HelpTopic
+from HelpSys.HelpSystem import ProductHelp
 import string, os.path
 
 if not hasattr(Products, 'meta_types'): Products.meta_types=()
@@ -265,6 +266,10 @@ class ProductContext:
         """
         Register a Help Topic for a product.
         """
+        # make sure the product has a ProductHelp
+        if not hasattr(self.__prod, 'Help'):
+            self.__prod._setObject('Help',
+                ProductHelp('Help', '%s Help' % self.__prod.id))  
         self.__prod.__of__(self.__app.Control_Panel.Products).Help._setObject(id, topic)
 
          
@@ -282,6 +287,10 @@ class ProductContext:
         .stx .txt        -- STXHelpTopic
         .jpg .png .gif   -- ImageHelpTopic
         """
+        # make sure the product has a ProductHelp
+        if not hasattr(self.__prod, 'Help'):
+            self.__prod._setObject('Help',
+                ProductHelp('Help', '%s Help' % self.__prod.id)) 
         if clear:
             help=self.__prod.__of__(self.__app.Control_Panel.Products).Help
             for id in help.objectIds('Help Topic'):