Make an acquisition wrapper for StateChangeInfo when executing a script, so...

Make an acquisition wrapper for StateChangeInfo when executing a script, so that proxy roles work in the context of a workflow.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@6430 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/patches/DCWorkflow.py

@@ -27,6 +27,14 @@ from Products.ERP5Type.Cache import CachingMethod
 from Products.ERP5Type.Utils import convertToMixedCase
 from string import join
 from zLOG import LOG
+from Acquisition import Explicit
+
+class ERP5StateChangeInfo(Explicit, StateChangeInfo):
+   """Override StateChangeInfo to make an acquisition wrapper, so that
+      zope can obtain the context. This is important to make proxy roles effective
+      in workflow scripts.
+   """
+   pass
 
 def DCWorkflowDefinition_listGlobalActions(self, info):
     '''
@@ -148,8 +156,9 @@ def DCWorkflowDefinition_executeTransition(self, ob, tdef=None, kwargs=None):
     if tdef is not None and tdef.script_name:
         script = self.scripts[tdef.script_name]
         # Pass lots of info to the script in a single parameter.
-        sci = StateChangeInfo(
+        sci = ERP5StateChangeInfo(
             ob, self, former_status, tdef, old_sdef, new_sdef, kwargs)
+        sci = sci.__of__(self)
         try:
             #LOG('_executeTransition', 0, "script = %s, sci = %s" % (repr(script), repr(sci)))
             script(sci)  # May throw an exception.
@@ -229,8 +238,9 @@ def DCWorkflowDefinition_executeTransition(self, ob, tdef=None, kwargs=None):
         else:
           script = self.scripts[tdef.after_script_name]
           # Pass lots of info to the script in a single parameter.
-          sci = StateChangeInfo(
+          sci = ERP5StateChangeInfo(
               ob, self, status, tdef, old_sdef, new_sdef, kwargs)
+          sci = sci.__of__(self)
           script(sci)  # May throw an exception.
 
     # Return the new state object.