[hooks] hack to avoid trying to index file type objects, the proper way will be in a new adapter

hooks.py

@@ -44,6 +44,8 @@
     category = 'es'
 
     def __call__(self):
+        if self.entity.cw_etype == 'File':
+            return # FIXME hack!
         locations = self._cw.vreg.config['elasticsearch-locations']
         index_name = self._cw.vreg.config['index-name']
         if locations and index_name:
@@ -47,6 +49,7 @@
         locations = self._cw.vreg.config['elasticsearch-locations']
         index_name = self._cw.vreg.config['index-name']
         if locations and index_name:
+            #serializer = self.entity.cw_adapt_to('IFTISerializable')
             serializer = self.entity.cw_adapt_to('ISerializable')
             json = serializer.serialize()
             es = Elasticsearch(locations and locations.split(','))