[Zope3-checkins] CVS: Zope3/src/zope/app/browser/form - vocabularywidget.py:1.44

[Fred L. Drake, Jr.]

Update of /cvs-repository/Zope3/src/zope/app/browser/form
In directory cvs.zope.org:/tmp/cvs-serv28046

Modified Files:
	vocabularywidget.py 
Log Message:
Change the way we deal with the "no value" token to be more reliable
in the face of weird browsers.


=== Zope3/src/zope/app/browser/form/vocabularywidget.py 1.43 => 1.44 ===
--- Zope3/src/zope/app/browser/form/vocabularywidget.py:1.43	Tue Jun 17 12:02:13 2003
+++ Zope3/src/zope/app/browser/form/vocabularywidget.py	Tue Jun 17 16:12:02 2003
@@ -261,10 +261,11 @@
     _msg_no_value = message(_("vocabulary-no-value"), "(no value)")
 
     def _compute_data(self):
-        if self.name in self.request.form:
-            token = self.request.form[self.name]
+        token = self.request.form.get(self.name)
+        if token:
             return self.convertTokensToValues([token])[0]
-        return None
+        else:
+            return None
 
 class MultiDataHelper(object):