389     def get_pending_operations(self, entity, relname, role):

   389     # XXX this should go to the GenericRelationsField. missing edition cancel protocol.

   390         operations = {'insert' : [], 'delete' : []}

   391         for optype in ('insert', 'delete'):

   392             data = self.get_session_data('pending_%s' % optype) or ()

   393             for eidfrom, rel, eidto in data:

   394                 if relname == rel:

   395                     if role == 'subject' and entity.eid == eidfrom:

   396                         operations[optype].append(eidto)

   397                     if role == 'object' and entity.eid == eidto:

   398                         operations[optype].append(eidfrom)

   399         return operations

   400 

   401     def get_pending_inserts(self, eid=None):

   402         """shortcut to access req's pending_insert entry

   403 

   404         This is where are stored relations being added while editing

   405         an entity. This used to be stored in a temporary cookie.

   406         """

   407         pending = self.get_session_data('pending_insert') or ()

   408         return ['%s:%s:%s' % (subj, rel, obj) for subj, rel, obj in pending

   409                 if eid is None or eid in (subj, obj)]

   410 

   411     def get_pending_deletes(self, eid=None):

   412         """shortcut to access req's pending_delete entry

   413 

   414         This is where are stored relations being removed while editing

   415         an entity. This used to be stored in a temporary cookie.

   416         """

   417         pending = self.get_session_data('pending_delete') or ()

   418         return ['%s:%s:%s' % (subj, rel, obj) for subj, rel, obj in pending

   419                 if eid is None or eid in (subj, obj)]