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# 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 inspect
from os import path
from os_vif import exception
os_vif_root = path.dirname(path.dirname(path.dirname(__file__)))
frames_info = inspect.getouterframes(inspect.currentframe())
for frame_info in frames_info[1:]:
importer_filename = inspect.getframeinfo(frame_info[0]).filename
if os_vif_root in importer_filename:
break
else:
raise exception.ExternalImport()
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