| # Copyright 2020 MONAI Consortium | |
| # 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 sys | |
| import unittest | |
| import warnings | |
| def _enter_pr_4800(self): | |
| """ | |
| code from https://github.com/python/cpython/pull/4800 | |
| """ | |
| # The __warningregistry__'s need to be in a pristine state for tests | |
| # to work properly. | |
| for v in list(sys.modules.values()): | |
| if getattr(v, "__warningregistry__", None): | |
| v.__warningregistry__ = {} | |
| self.warnings_manager = warnings.catch_warnings(record=True) | |
| self.warnings = self.warnings_manager.__enter__() | |
| warnings.simplefilter("always", self.expected) | |
| return self | |
| # workaround for https://bugs.python.org/issue29620 | |
| try: | |
| # Suppression for issue #494: tests/__init__.py:34: error: Cannot assign to a method | |
| unittest.case._AssertWarnsContext.__enter__ = _enter_pr_4800 # type: ignore | |
| except AttributeError: | |
| pass | |