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-rw-r--r--Objects/boolobject.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/Objects/boolobject.c b/Objects/boolobject.c
index 597a76f..0300f7b 100644
--- a/Objects/boolobject.c
+++ b/Objects/boolobject.c
@@ -74,6 +74,22 @@ bool_vectorcall(PyObject *type, PyObject * const*args,
/* Arithmetic operations redefined to return bool if both args are bool. */
static PyObject *
+bool_invert(PyObject *v)
+{
+ if (PyErr_WarnEx(PyExc_DeprecationWarning,
+ "Bitwise inversion '~' on bool is deprecated. This "
+ "returns the bitwise inversion of the underlying int "
+ "object and is usually not what you expect from negating "
+ "a bool. Use the 'not' operator for boolean negation or "
+ "~int(x) if you really want the bitwise inversion of the "
+ "underlying int.",
+ 1) < 0) {
+ return NULL;
+ }
+ return PyLong_Type.tp_as_number->nb_invert(v);
+}
+
+static PyObject *
bool_and(PyObject *a, PyObject *b)
{
if (!PyBool_Check(a) || !PyBool_Check(b))
@@ -119,7 +135,7 @@ static PyNumberMethods bool_as_number = {
0, /* nb_positive */
0, /* nb_absolute */
0, /* nb_bool */
- 0, /* nb_invert */
+ (unaryfunc)bool_invert, /* nb_invert */
0, /* nb_lshift */
0, /* nb_rshift */
bool_and, /* nb_and */