Issue #10756: atexit normalizes the exception before displaying it.
diff --git a/Lib/test/test_atexit.py b/Lib/test/test_atexit.py
index 8a71036..9c7e109 100644
--- a/Lib/test/test_atexit.py
+++ b/Lib/test/test_atexit.py
@@ -65,6 +65,14 @@
self.assertRaises(TypeError, atexit._run_exitfuncs)
+ def test_raise_unnormalized(self):
+ # Issue #10756: Make sure that an unnormalized exception is
+ # handled properly
+ atexit.register(lambda: 1 / 0)
+
+ self.assertRaises(ZeroDivisionError, atexit._run_exitfuncs)
+ self.assertIn("ZeroDivisionError", self.stream.getvalue())
+
def test_stress(self):
a = [0]
def inc():
diff --git a/Misc/NEWS b/Misc/NEWS
index 7ce7445..be158fe 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -30,6 +30,8 @@
Library
-------
+- Issue #10756: atexit normalizes the exception before displaying it.
+
- Issue #10790: email.header.Header.append's charset logic now works correctly
for charsets whose output codec is different from its input codec.
diff --git a/Modules/atexitmodule.c b/Modules/atexitmodule.c
index 1382133..1ee7ead 100644
--- a/Modules/atexitmodule.c
+++ b/Modules/atexitmodule.c
@@ -72,6 +72,7 @@
PyErr_Fetch(&exc_type, &exc_value, &exc_tb);
if (!PyErr_ExceptionMatches(PyExc_SystemExit)) {
PySys_WriteStderr("Error in atexit._run_exitfuncs:\n");
+ PyErr_NormalizeException(&exc_type, &exc_value, &exc_tb);
PyErr_Display(exc_type, exc_value, exc_tb);
}
}