code: def updateStatus(self, block_name="", open_for_writing=0):
          
          if open_for_writing not in [1, 0, '1', '0']:
              msg = "DBSBlock/updateStatus. open_for_writing can only be 0 or 1 : passed %s."\
                     % open_for_writing 
              dbsExceptionHandler('dbsException-invalid-input', msg)
          conn = self.dbi.connection()
          trans = conn.begin()
          try :
              open_for_writing = int(open_for_writing)
              self.updatestatus.execute(conn, block_name, open_for_writing, dbsUtils().getTime(), trans)
              trans.commit()
              trans = None
          except Exception as ex:
              if trans:
                  trans.rollback()
              if conn:conn.close()
              raise ex
          finally:
              if conn:conn.close()
docs: Used to toggle the status of a block open_for_writing=1, open for writing, open_for_writing=0, closed