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# Copyright 2018 The glTF-Blender-IO authors.
#
# 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 typing
def chunks(lst: typing.Sequence[typing.Any], n: int) -> typing.List[typing.Any]:
"""
Generator that yields successive n sized chunks of the list l
:param lst: the list to be split
:param n: the length of the chunks
:return: a sublist of at most length n
"""
result = []
for i in range(0, len(lst), n):
result.append(lst[i:i + n])
return result
def unzip(*args: typing.Iterable[typing.Any]) -> typing.Iterable[typing.Iterable[typing.Any]]:
"""
Unzip the list. Inverse of the builtin zip
:param args: a list of lists or multiple list arguments
:return: a list of unzipped lists
"""
if len(args) == 1:
args = args[0]
return zip(*args)
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