[Zope-CVS] CVS: Products/PluggableAuthService - PluggableAuthService.py:1.29.2.1.2.2

[Sidnei da Silva]

Update of /cvs-repository/Products/PluggableAuthService
In directory cvs.zope.org:/tmp/cvs-serv20931

Modified Files:
      Tag: sidnei-challenge-protocol-chooser
	PluggableAuthService.py 
Log Message:

- Don't break if IChallengeProtocolChoose is not a registered plugin type


=== Products/PluggableAuthService/PluggableAuthService.py 1.29.2.1.2.1 => 1.29.2.1.2.2 ===
--- Products/PluggableAuthService/PluggableAuthService.py:1.29.2.1.2.1	Sat Aug 13 00:34:32 2005
+++ Products/PluggableAuthService/PluggableAuthService.py	Tue Aug 16 16:31:48 2005
@@ -995,7 +995,14 @@
 
         # Find valid protocols for this request type
         valid_protocols = []
-        choosers = plugins.listPlugins( IChallengeProtocolChooser )
+        choosers = []
+        try:
+            choosers = plugins.listPlugins( IChallengeProtocolChooser )
+        except KeyError:
+            # Work around the fact that old instances might not have
+            # IChallengeProtocolChooser registered with the
+            # PluginRegistry.
+            pass
 
         for chooser_id, chooser in choosers:
             choosen = chooser.chooseProtocols(request)