Issue #2341: Add a Py3k warning when raising an exception that doesn't
derive from BaseException.
diff --git a/Python/ceval.c b/Python/ceval.c
index d66d97e..dc1aa52 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -3161,6 +3161,15 @@
type->ob_type->tp_name);
goto raise_error;
}
+
+ assert(PyExceptionClass_Check(type));
+ if (Py_Py3kWarningFlag && PyClass_Check(type)) {
+ if (PyErr_Warn(PyExc_DeprecationWarning,
+ "exceptions must derive from BaseException "
+ "in 3.x") == -1)
+ goto raise_error;
+ }
+
PyErr_Restore(type, value, tb);
if (tb == NULL)
return WHY_EXCEPTION;