allow specification of message factory for states definition in order to provide package-specific translation domains

stateful/base.py

@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2009 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2013 Helmut Merz helmutm@cy55.de
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -18,8 +18,6 @@
 
 """
 Basic implementations for stateful objects and adapters.
-
-$Id$
 """
 
 from persistent.interfaces import IPersistent
@@ -99,6 +97,7 @@ class StatefulAdapter(Stateful):
 
     def __init__(self, context):
         self.context = context
+        self.msgFactory = self.getStatesDefinition().msgFactory
 
     def getState(self):
         statesAttr = getattr(self.context, self.statesAttributeName, {})

stateful/definition.py

@@ -76,11 +76,13 @@ class StatesDefinition(object):
     implements(IStatesDefinition)
 
     initialState = 'started'
+    msgFactory = None
 
     def __init__(self, name, *details, **kw):
         self.name = self.__name__ = name
         self.states = Jeep()
         self.transitions = Jeep()
+        msgFactory = kw.get('msgFactory')
         for d in details:
             if ITransition.providedBy(d):
                 self.transitions.append(d)
@@ -89,6 +91,8 @@ class StatesDefinition(object):
             else:
                 raise TypeError('Only states or transitions are allowed here, '
                                 'got %s instead.' % repr(d))
+            if msgFactory:
+                d.title = msgFactory(d.title)
         for k, v in kw.items():
             setattr(self, k, v)