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bug fix: handle missing value (None) on list field

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git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3189 fd906abe-77d9-0310-91a1-e0d9ade77398
This commit is contained in:
helmutm 2009-01-29 07:46:45 +00:00
parent 568db74667
commit b773f21b54
1 changed files with 2 additions and 0 deletions
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2
composer/schema/field.py
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@ -306,6 +306,8 @@ class ListFieldInstance(FieldInstance):
#return [self.valueFieldInstance.marshall(v) for v in value]
def display(self, value):
if not value:
return u''
if isinstance(value, basestring):
return value
return u' | '.join(self.valueFieldInstance.display(v) for v in value)