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mv download func to ppocr/utils/network.py
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| # copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve. | ||
| # | ||
| # 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. | ||
|
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||
| import os | ||
| import sys | ||
| import tarfile | ||
| import requests | ||
| from tqdm import tqdm | ||
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| from ppocr.utils.logging import get_logger | ||
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| def download_with_progressbar(url, save_path): | ||
| logger = get_logger() | ||
| response = requests.get(url, stream=True) | ||
| total_size_in_bytes = int(response.headers.get('content-length', 0)) | ||
| block_size = 1024 # 1 Kibibyte | ||
| progress_bar = tqdm(total=total_size_in_bytes, unit='iB', unit_scale=True) | ||
| with open(save_path, 'wb') as file: | ||
| for data in response.iter_content(block_size): | ||
| progress_bar.update(len(data)) | ||
| file.write(data) | ||
| progress_bar.close() | ||
| if total_size_in_bytes == 0 or progress_bar.n != total_size_in_bytes: | ||
| logger.error("Something went wrong while downloading models") | ||
| sys.exit(0) | ||
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| def maybe_download(model_storage_directory, url): | ||
| # using custom model | ||
| tar_file_name_list = [ | ||
| 'inference.pdiparams', 'inference.pdiparams.info', 'inference.pdmodel' | ||
| ] | ||
| if not os.path.exists( | ||
| os.path.join(model_storage_directory, 'inference.pdiparams') | ||
| ) or not os.path.exists( | ||
| os.path.join(model_storage_directory, 'inference.pdmodel')): | ||
| tmp_path = os.path.join(model_storage_directory, url.split('/')[-1]) | ||
| print('download {} to {}'.format(url, tmp_path)) | ||
| os.makedirs(model_storage_directory, exist_ok=True) | ||
| download_with_progressbar(url, tmp_path) | ||
| with tarfile.open(tmp_path, 'r') as tarObj: | ||
| for member in tarObj.getmembers(): | ||
| filename = None | ||
| for tar_file_name in tar_file_name_list: | ||
| if tar_file_name in member.name: | ||
| filename = tar_file_name | ||
| if filename is None: | ||
| continue | ||
| file = tarObj.extractfile(member) | ||
| with open( | ||
| os.path.join(model_storage_directory, filename), | ||
| 'wb') as f: | ||
| f.write(file.read()) | ||
| os.remove(tmp_path) | ||
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