issue2551078 - Fix traceback caused when putting two id's into a Link html field.

A ValueError is raised. Handle exception and return invalid
value. hyperdb.py now reports 'you may only enter ID values for
property ...' to the user.

Author: rouilj

CHANGES.txt

@@ -95,6 +95,10 @@ Fixed:
 - issue2551062: roundup-admin security now exits status 1 when
   it finds an invalid property. It no longer tries to print the rest
   of the security properties. (John Rouillard)
+- issue2551078 - Fix traceback caused when putting two id's into a
+  Link html field. A ValueError is raised. Handle exception and return
+  value. hyperdb.py now reports 'you may only enter ID values for
+  property ...' to the user.
 
 Features:
 - issue2550522 - Add 'filter' command to command-line

roundup/cgi/templating.py

@@ -1058,8 +1058,11 @@ def __getitem__(self, item):
 
         # get the value, handling missing values
         value = None
-        if int(self._nodeid) > 0:
-            value = self._klass.get(self._nodeid, items[0], None)
+        try:
+            if int(self._nodeid) > 0:
+                value = self._klass.get(self._nodeid, items[0], None)
+        except ValueError:
+            value = self._nodeid
         if value is None:
             if isinstance(prop, hyperdb.Multilink):
                 value = []