Fix exception triggered by all_id* and 1id_* generating scripts when a document lacks creation date. Closes ietf-tools#371.

 - Legacy-Id: 2501

Author: levkowetz

ietf/idrfc/views_doc.py

@@ -180,7 +180,10 @@ def _get_history(doc, versions):
     # convert plain dates to datetimes (required for sorting)
     for x in results:
         if not isinstance(x['date'], datetime):
-            x['date'] = datetime.combine(x['date'], time(0,0,0))
+            if x['date']:
+                x['date'] = datetime.combine(x['date'], time(0,0,0))
+            else:
+                x['date'] = datetime(1970,1,1)
 
     results.sort(key=lambda x: x['date'])
     results.reverse()

ietf/idtracker/templatetags/ietf_filters.py

@@ -368,7 +368,7 @@ def stable_dictsort(value, arg):
     http://code.djangoproject.com/ticket/12110
     """
     decorated = [(resolve_variable('var.' + arg, {'var' : item}), item) for item in value]
-    decorated.sort(lambda a, b: cmp(a[0], b[0]))
+    decorated.sort(lambda a, b: cmp(a[0], b[0]) if a[0] and b[0] else -1 if b[0] else 1 if a[0] else 0)
     return [item[1] for item in decorated]
 
 def _test():