You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.1 KiB
39 lines
1.1 KiB
# 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 random
|
|
|
|
|
|
def cycle(iterable):
|
|
# cycle('ABCD') --> A B C D A B C D A B C D ...
|
|
saved = []
|
|
for element in iterable:
|
|
yield element
|
|
saved.append(element)
|
|
while saved:
|
|
for element in saved:
|
|
yield element
|
|
|
|
|
|
def random_cycle(iterable):
|
|
# cycle('ABCD') --> A B C D B C D A A D B C ...
|
|
saved = []
|
|
for element in iterable:
|
|
yield element
|
|
saved.append(element)
|
|
random.shuffle(saved)
|
|
while saved:
|
|
for element in saved:
|
|
yield element
|
|
random.shuffle(saved)
|