Trata excessão ao carregar o vocabulario.

CHANGES.rst

@@ -4,7 +4,8 @@ Alterações
 2.0.3 (unreleased)
 ^^^^^^^^^^^^^^^^^^
 
-- Nothing changed yet.
+- Trata excessão ao carregar o vocabulario.
+  [rodfersou]
 
 
 2.0.2 (2017-12-22)

src/brasil/gov/vcge/dx/widget.py

@@ -1,4 +1,5 @@
 # -*- coding:utf-8 -*-
+from brasil.gov.vcge.config import PROJECTNAME
 from Products.CMFPlone.utils import base_hasattr
 from Products.CMFPlone.utils import safe_unicode
 from Products.Five.browser import BrowserView
@@ -8,9 +9,13 @@
 from zope.component import queryUtility
 from zope.schema.interfaces import IVocabularyFactory
 
+import logging
 import zope.interface
 
 
+logger = logging.getLogger(PROJECTNAME)
+
+
 class ISkosWidget(interfaces.ISequenceWidget):
     """Sequence widget."""
 
@@ -118,9 +123,13 @@ def existing(self):
             # Ignore no value entries. They are in the request only.
             if token == self.noValueToken:
                 continue
-            term = terms.getTermByToken(token)
-            data.append({'value': token,
-                         'title': term.title})
+            try:
+                term = terms.getTermByToken(token)
+                data.append({'value': token,
+                             'title': term.title})
+            except LookupError:
+                logger.warning('Token "{0}" not found.'.format(token))
+                continue
         return data
 
     @property
@@ -131,8 +140,12 @@ def displayValue(self):
             # Ignore no value entries. They are in the request only.
             if token == self.noValueToken:
                 continue
-            term = terms.getTermByToken(token)
-            value.append(term.title)
+            try:
+                term = terms.getTermByToken(token)
+                value.append(term.title)
+            except LookupError:
+                logger.warning('Token "{0}" not found.'.format(token))
+                continue
         return value
 
     def extract(self, default=interfaces.NO_VALUE):
@@ -151,6 +164,7 @@ def extract(self, default=interfaces.NO_VALUE):
                 try:
                     terms.getTermByToken(token)
                 except LookupError:
+                    logger.warning('Token "{0}" not found.'.format(token))
                     return default
         return value