|
|
|
|
# Copyright (c) 2022 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.
|
|
|
|
|
|
|
|
|
|
from copy import deepcopy
|
|
|
|
|
|
|
|
|
|
from paddle.io import Dataset
|
|
|
|
|
|
|
|
|
|
from paddlers.utils import get_num_workers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class BaseDataset(Dataset):
|
|
|
|
|
def __init__(self, data_dir, label_list, transforms, num_workers, shuffle):
|
|
|
|
|
super(BaseDataset, self).__init__()
|
|
|
|
|
|
|
|
|
|
self.data_dir = data_dir
|
|
|
|
|
self.label_list = label_list
|
|
|
|
|
self.transforms = deepcopy(transforms)
|
|
|
|
|
self.num_workers = get_num_workers(num_workers)
|
|
|
|
|
self.shuffle = shuffle
|
|
|
|
|
|
|
|
|
|
def __getitem__(self, idx):
|
|
|
|
|
sample = deepcopy(self.file_list[idx])
|
|
|
|
|
outputs = self.transforms(sample)
|
|
|
|
|
return outputs
|
