# Copyright (c) 2021 PaddlePaddle 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 os
from typing import Dict
from typing import List
from paddle.framework import load as load_state_dict
from paddle.utils import download
from .log import logger
download.logger = logger
__all__ = [
'decompress',
'download_and_decompress',
'load_state_dict_from_url',
]
[docs]def decompress(file: str):
"""
Extracts all files from a compressed file.
"""
assert os.path.isfile(file), "File: {} not exists.".format(file)
download._decompress(file)
[docs]def download_and_decompress(archives: List[Dict[str, str]],
path: str,
decompress: bool=True):
"""
Download archieves and decompress to specific path.
"""
if not os.path.isdir(path):
os.makedirs(path)
for archive in archives:
assert 'url' in archive and 'md5' in archive, \
'Dictionary keys of "url" and "md5" are required in the archive, but got: {list(archieve.keys())}'
download.get_path_from_url(
archive['url'], path, archive['md5'], decompress=decompress)
[docs]def load_state_dict_from_url(url: str, path: str, md5: str=None):
"""
Download and load a state dict from url
"""
if not os.path.isdir(path):
os.makedirs(path)
download.get_path_from_url(url, path, md5)
return load_state_dict(os.path.join(path, os.path.basename(url)))