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# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# 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,
# 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 io import BytesIO
from typing import Any
from cosmos_predict1.utils.easy_io.handlers.base import BaseFileHandler
class PickleHandler(BaseFileHandler):
str_like = False
def load_from_fileobj(self, file: BytesIO, **kwargs):
return pickle.load(file, **kwargs)
def load_from_path(self, filepath, **kwargs):
return super().load_from_path(filepath, mode="rb", **kwargs)
def dump_to_str(self, obj, **kwargs):
kwargs.setdefault("protocol", 2)
return pickle.dumps(obj, **kwargs)
def dump_to_fileobj(self, obj: Any, file: BytesIO, **kwargs):
kwargs.setdefault("protocol", 2)
pickle.dump(obj, file, **kwargs)
def dump_to_path(self, obj, filepath, **kwargs):
with open(filepath, "wb") as f:
pickle.dump(obj, f, **kwargs)
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