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paddlepaddle--paddle/test/legacy_test/test_utils_lazyimport.py
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2026-07-13 12:40:42 +08:00

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Python

# 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.
import unittest
from paddle.utils.lazy_import import try_import
class TestUtilsLazyImport(unittest.TestCase):
def setup(self):
pass
def func_test_lazy_import(self):
paddle = try_import('paddle')
self.assertIsNotNone(paddle.__version__)
with self.assertRaises(ImportError) as context:
paddle2 = try_import('paddle2')
self.assertTrue(
'require additional dependencies that have to be'
in str(context.exception)
)
with self.assertRaises(ImportError) as context:
paddle2 = try_import('paddle2', 'paddle2 is not installed')
self.assertTrue('paddle2 is not installed' in str(context.exception))
def test_lazy_import(self):
self.func_test_lazy_import()
if __name__ == "__main__":
unittest.main()