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- # copyright (c) 2024 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.
- import os
- from pathlib import Path
- from ....utils.download import download
- from ....utils.cache import CACHE_DIR
- from ..utils.mixin import BatchSizeMixin
- from ..base import BaseComponent
- class _BaseRead(BaseComponent, BatchSizeMixin):
- """Load image from the file."""
- SUFFIX = []
- def __init__(self, batch_size=1):
- super().__init__()
- BatchSizeMixin.__init__(self, batch_size)
- # XXX: auto download for url
- def _download_from_url(self, in_path):
- if in_path.startswith("http"):
- file_name = Path(in_path).name
- save_path = Path(CACHE_DIR) / "predict_input" / file_name
- download(in_path, save_path, overwrite=True)
- return save_path.as_posix()
- return in_path
- def _get_files_list(self, fp):
- file_list = []
- if fp is None or not os.path.exists(fp):
- raise Exception(f"Not found any img file in path: {fp}")
- if os.path.isfile(fp) and fp.split(".")[-1] in self.SUFFIX:
- file_list.append(fp)
- elif os.path.isdir(fp):
- for root, dirs, files in os.walk(fp):
- for single_file in files:
- if single_file.split(".")[-1] in self.SUFFIX:
- file_list.append(os.path.join(root, single_file))
- if len(file_list) == 0:
- raise Exception("Not found any file in {}".format(fp))
- file_list = sorted(file_list)
- return file_list
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