code: def cursor(self,*args,**kwargs):
          
          d_out("Handle.cursor: Creating cursor..")
          if not self.open:
              raise Exception("Connection isn't open.")
  
          if 'cursor_factory' not in kwargs or kwargs['cursor_factory'] == None:
              kwargs["cursor_factory"] = Cursor
          callback = kwargs.pop('callback', None)
          cur = self.conn.cursor(*args,**kwargs)
          if callback:
              d_out('Handle.cursor() setting callback attrib {0}'.format(callback))
              cur.callback = callback
          return cur
docs: :param cursor_factory: Override default Cursor
          :return: psycopg2 cursor