'''
Copyright 2022 fvl

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 iopath.common.file_io import PathManagerFactory

_ENV_SETUP_DONE = False
pathmgr = PathManagerFactory.get(key="pydeepfake")


def setup_environment():
    global _ENV_SETUP_DONE
    if _ENV_SETUP_DONE:
        return
    _ENV_SETUP_DONE = True
