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- #
- # Copyright 2019 The FATE Authors. All Rights Reserved.
- #
- # Licensed 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
- #
- # http://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 pickle
- from pyspark.sql import Row
- _DELIMITER = ','
- NEWLINE = '\n'
- def deserialize_line(line):
- return bytes.decode(line[0]), pickle.loads(bytes.fromhex(line[1]))
- def serialize_line(k, v):
- return f'{_DELIMITER}'.join([k, pickle.dumps(v).hex()]) + f"{NEWLINE}"
- def read_line(line_data):
- line = [str(i) for i in line_data]
- return f'{_DELIMITER}'.join(line) + f"{NEWLINE}"
- def from_row(r):
- return r.key, pickle.loads(bytes.fromhex(r.value))
- def to_row(k, v):
- return Row(key=k, value=pickle.dumps(v).hex())
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