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#!/usr/bin/env python
##
# 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.
from __future__ import absolute_import, division, print_function
import os
import sys
import avro.datafile
import avro.io
import avro.schema
from avro.codecs import Codecs
try:
unicode
except NameError:
unicode = str
NULL_CODEC = 'null'
CODECS_TO_VALIDATE = Codecs.supported_codec_names()
DATUM = {
'intField': 12,
'longField': 15234324,
'stringField': unicode('hey'),
'boolField': True,
'floatField': 1234.0,
'doubleField': -1234.0,
'bytesField': b'12312adf',
'nullField': None,
'arrayField': [5.0, 0.0, 12.0],
'mapField': {unicode('a'): {'label': unicode('a')},
unicode('bee'): {'label': unicode('cee')}},
'unionField': 12.0,
'enumField': 'C',
'fixedField': b'1019181716151413',
'recordField': {'label': unicode('blah'),
'children': [{'label': unicode('inner'), 'children': []}]},
}
def generate(schema_path, output_path):
with open(schema_path, 'r') as schema_file:
interop_schema = avro.schema.parse(schema_file.read())
for codec in CODECS_TO_VALIDATE:
filename = output_path
if codec != NULL_CODEC:
base, ext = os.path.splitext(output_path)
filename = base + "_" + codec + ext
with avro.datafile.DataFileWriter(open(filename, 'wb'), avro.io.DatumWriter(),
interop_schema, codec=codec) as dfw:
dfw.append(DATUM)
if __name__ == "__main__":
generate(sys.argv[1], sys.argv[2])
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