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73 lines
2.3 KiB
73 lines
2.3 KiB
# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from typing import Dict
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from typing import List
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from paddle.framework import load as load_state_dict
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from paddle.utils import download
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__all__ = [
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'decompress',
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'download_and_decompress',
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'load_state_dict_from_url',
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]
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def decompress(file: str, path: str=os.PathLike):
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"""
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Extracts all files from a compressed file to specific path.
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"""
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assert os.path.isfile(file), "File: {} not exists.".format(file)
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if path is None:
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print("decompress the data: {}".format(file))
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download._decompress(file)
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else:
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print("decompress the data: {} to {}".format(file, path))
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if not os.path.isdir(path):
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os.makedirs(path)
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tmp_file = os.path.join(path, os.path.basename(file))
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os.rename(file, tmp_file)
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download._decompress(tmp_file)
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os.rename(tmp_file, file)
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def download_and_decompress(archives: List[Dict[str, str]],
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path: str,
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decompress: bool=True):
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"""
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Download archieves and decompress to specific path.
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"""
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if not os.path.isdir(path):
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os.makedirs(path)
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for archive in archives:
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assert 'url' in archive and 'md5' in archive, \
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'Dictionary keys of "url" and "md5" are required in the archive, but got: {list(archieve.keys())}'
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download.get_path_from_url(
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archive['url'], path, archive['md5'], decompress=decompress)
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def load_state_dict_from_url(url: str, path: str, md5: str=None):
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"""
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Download and load a state dict from url
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"""
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if not os.path.isdir(path):
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os.makedirs(path)
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download.get_path_from_url(url, path, md5)
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return load_state_dict(os.path.join(path, os.path.basename(url)))
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