remove unknown ids from lists

oml/library.py

@@ -183,6 +183,15 @@ class Peer(object):
         os.unlink(self._infopath)
 
     def sync_db(self):
+        ids = set(self.library.keys())
+        changed = False
+        for name, l in self.info.get('lists', {}).items():
+            removed = set(l) - ids
+            if removed:
+                self.info['lists'][name] = list(set(l) - removed)
+                changed = True
+        if changed:
+            self.sync_info()
         import item.models
         import user.models
         c_user_id = item.models.user_items.columns['user_id']

oml/queryparser.py

@@ -103,6 +103,11 @@ class Parser(object):
             vk = getattr(self._sort, k)
             q = operators.eq(vk, v)
             ids = self._model.query.join(self._sort).filter(q).options(load_only('id'))
+            if not ids:
+                q = operators.eq(self._model.id, '')
+                if exclude:
+                    q = ~q
+            else:
                 in_op = operators.notin_op if exclude else operators.in_op
                 q = in_op(self._model.id, ids)
             return q

oml/user/models.py

@@ -132,7 +132,7 @@ class User(db.Model):
                 'type': 'library'
             })
             index = 0
-            for name in peer.info['listorder']:
+            for name in peer.info.get('listorder', peer.info.get('lists', []).keys()):
                 lists.append({
                     'id': '%s:%s' % (self.nickname, name),
                     'user': self.name,