Irit Katriel <[email protected]> added the comment:
1. I don't think we need such a clone of exception. We just need something like
these two tests:
@cpython_only
def test_print_exception_bad_type_ct(self):
with self.assertRaises(TypeError):
from _testcapi import exception_print
exception_print(42)
def test_print_exception_bad_type_python(self):
with self.assertRaises(TypeError):
traceback.print_exception(42)
It could be that they don't fit in BaseExceptionReportingTests because that is
for tests that use get_report. It's fine of they are added separately. The
python one can come after test_exception_is_None, and the C one perhaps after
test_unhashable (and their names should be slightly different than above).
2. _testcapi is how you call into print_exception directly (for testing). If I
remove the type check in _testcapi then the test above segfaults with
Assertion failed: (PyExceptionInstance_Check(exc)), function
_PyBaseExceptionObject_cast, file exceptions.c, line 321.
This issue was created because Erlend found that the type check in
print_exception is not covered by tests. It's possible that this check is in
the wrong place at the moment.
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<https://bugs.python.org/issue45615>
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