text: #!/usr/bin/env python3
  # -*- mode: python -*-
  # -*- coding: utf-8 -*-
  
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #     https://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  from pathlib import Path
  
  from avro import datafile, io, schema
  
  DATUM = {
      'intField': 12,
      'longField': 15234324,
      'stringField': 'hey',
      'boolField': True,
      'floatField': 1234.0,
      'doubleField': -1234.0,
      'bytesField': b'12312adf',
      'nullField': None,
      'arrayField': [5.0, 0.0, 12.0],
      'mapField': {'a': {'label': 'a'}, 'bee': {'label': 'cee'}},
      'unionField': 12.0,
      'enumField': 'C',
      'fixedField': b'1019181716151413',
      'recordField': {
          'label': 'blah',
          'children': [{'label': 'inner', 'children': []}],
      },
  }
  
  
  def generate(schema_file, output_path):
    interop_schema = schema.Parse(open(schema_file, 'r').read())
    datum_writer = io.DatumWriter()
    for codec in datafile.VALID_CODECS:
      filename = 'py3'
      if codec != 'null':
        filename += '_' + codec
      with Path(output_path, filename).with_suffix('.avro').open('wb') as writer, \
        datafile.DataFileWriter(writer, datum_writer, interop_schema, codec) as dfw:
        dfw.append(DATUM)
  
  
  if __name__ == "__main__":
      generate(sys.argv[1], sys.argv[2])
  