[CMF-checkins] CVS: Products/CMFDefault - MetadataTool.py:1.20.20.2

[Jens Vagelpohl]

Update of /cvs-repository/Products/CMFDefault
In directory cvs.zope.org:/tmp/cvs-serv18095/CMFDefault

Modified Files:
      Tag: CMF-1_4-branch
	MetadataTool.py 
Log Message:
- CMFDefault.MetadataTool: Validation would disallow
  vocabulary-constrained metadata elements to be empty
  (http://www.zope.org/Collectors/CMF/217)


=== Products/CMFDefault/MetadataTool.py 1.20.20.1 => 1.20.20.2 ===
--- Products/CMFDefault/MetadataTool.py:1.20.20.1	Thu Apr 22 13:47:50 2004
+++ Products/CMFDefault/MetadataTool.py	Sat Aug  7 09:31:28 2004
@@ -535,12 +535,12 @@
                 raise MetadataError, \
                         'Metadata element %s is required.' % element
 
-            if policy.enforceVocabulary():
+            if value and policy.enforceVocabulary():
                 values = policy.isMultiValued() and value or [ value ]
                 for value in values:
                     if not value in policy.allowedVocabulary():
                         raise MetadataError, \
-                        'Value %s is not in allowed vocabulary for' \
+                        'Value %s is not in allowed vocabulary for ' \
                         'metadata element %s.' % ( value, element )
 
         # TODO:  Call validation_hook, if present