Don't pass huge itemids into the backend.

[[Ralf Schlatterbeck: Note that the original patch wasn't python3
compatible and used long instead of int. Verified that python2.7 can
deal with long numeric strings, e.g. 2**64 * 10:
int("184467440737095516160")]]

committer: Ralf Schlatterbeck <[email protected]>

Author: martin.v.loewis

roundup/cgi/client.py

@@ -1351,6 +1351,10 @@ def determine_context(self, dre=re.compile(r'([^\d]+)0*(\d+)')):
                 klass = self.db.getclass(self.classname)
             except KeyError:
                 raise NotFound('%s/%s'%(self.classname, self.nodeid))
+            if int(self.nodeid) > 2**31:
+                # Postgres will complain with a ProgrammingError
+                # if we try to pass in numbers that are too large
+                raise NotFound ('%s/%s'%(self.classname, self.nodeid))
             if not klass.hasnode(self.nodeid):
                 raise NotFound('%s/%s'%(self.classname, self.nodeid))
             # with a designator, we default to item view