code: def getbydatatype(data_type, besteffort=True):
      
      return _REGISTRY.getbydatatype(data_type=data_type, besteffort=besteffort)
docs: Get schema class by data type.
  
      :param type data_type: data type from where get schema class.
      :param bool besteffort: if True and data_type not registered, parse all
          registered data_types and stop when once data_type is a subclass of
          input data_type.
      :return: sub class of Schema.
      :rtype: type