cosmos_predict1/utils/easy_io/handlers/gzip_handler.py

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# SPDX-License-Identifier: Apache-2.0
#
# 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,
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import gzip
import pickle
from io import BytesIO
from typing import Any

from cosmos_predict1.utils.easy_io.handlers.pickle_handler import PickleHandler


class GzipHandler(PickleHandler):
    str_like = False

    def load_from_fileobj(self, file: BytesIO, **kwargs):
        with gzip.GzipFile(fileobj=file, mode="rb") as f:
            return pickle.load(f)

    def dump_to_fileobj(self, obj: Any, file: BytesIO, **kwargs):
        with gzip.GzipFile(fileobj=file, mode="wb") as f:
            pickle.dump(obj, f)