Fix copy_url to properly support properties that are mutlilinks.

Author: rouilj

CHANGES.txt

@@ -24,7 +24,8 @@ Fixed:
   roundup/__init__.py. (Thomas Arendsen Hein)
 - Do not throw an internal error if a .mo file can not be read
   (Thomas Arendsen Hein)
-
+- Make the "Make a copy" link work by fixing copy_url to properly
+  handle multilink properties. (John Rouillard)
 
 2013-07-06: 1.5.0
 

roundup/cgi/templating.py

@@ -1159,7 +1159,12 @@ def copy_url(self, exclude=("messages", "files")):
         }
         for name in self._props.keys():
             if name not in exclude:
-                query[name] = self[name].plain()
+                prop = self._props[name]
+                if not isinstance(prop, hyperdb.Multilink):
+                    query[name] = self[name].plain()
+                else:
+                    query[name] = ",".join(self._klass.get(self._nodeid, name))
+
         return self._classname + "?" + "&".join(
             ["%s=%s" % (key, urllib.quote(value))
                 for key, value in query.items()])