[Zope3-checkins] CVS: Zope3/src/zope/component - service.py:1.3

[R. David Murray]

Update of /cvs-repository/Zope3/src/zope/component
In directory cvs.zope.org:/tmp/cvs-serv32093

Modified Files:
	service.py 
Log Message:
Add a force keyword to provideService to allow replacement of an
existing registration, to facilitate writing unit tests (at Jim's
suggestion).


=== Zope3/src/zope/component/service.py 1.2 => 1.3 ===
--- Zope3/src/zope/component/service.py:1.2	Wed Dec 25 09:13:31 2002
+++ Zope3/src/zope/component/service.py	Fri Dec 27 20:42:21 2002
@@ -70,10 +70,14 @@
         """see IServiceService Interface"""
         return self.__defs.items()
 
-    def provideService(self, name, component):
-        """see IGlobalServiceManager interface, above"""
+    def provideService(self, name, component, force=False):
+        """see IGlobalServiceManager interface, above
+        
+        The force keyword allows one to replace an existing
+        service.  This is mostly useful in testing scenarios.
+        """
 
-        if name in self.__services:
+        if not force and name in self.__services:
             raise DuplicationError(name)
 
         if name not in self.__defs: