name : test_pycapsule.py #!/usr/bin/env python # # Author: Mike McKerns (mmckerns @caltech and @uqfoundation) # Author: Anirudh Vegesana (avegesan@cs.stanford.edu) # Copyright (c) 2022-2023 The Uncertainty Quantification Foundation. # License: 3-clause BSD. The full license text is available at: # - https://github.com/uqfoundation/dill/blob/master/LICENSE """ test pickling a PyCapsule object """ import dill import warnings test_pycapsule = None if dill._dill._testcapsule is not None: import ctypes def test_pycapsule(): name = ctypes.create_string_buffer(b'dill._testcapsule') capsule = dill._dill._PyCapsule_New( ctypes.cast(dill._dill._PyCapsule_New, ctypes.c_void_p), name, None ) with warnings.catch_warnings(): warnings.simplefilter("ignore") dill.copy(capsule) dill._testcapsule = capsule with warnings.catch_warnings(): warnings.simplefilter("ignore") dill.copy(capsule) dill._testcapsule = None try: with warnings.catch_warnings(): warnings.simplefilter("ignore", dill.PicklingWarning) dill.copy(capsule) except dill.UnpicklingError: pass else: raise AssertionError("Expected a different error") if __name__ == '__main__': if test_pycapsule is not None: test_pycapsule()