Add PyObject_Not().
diff --git a/Include/abstract.h b/Include/abstract.h
index 975c562..3491724 100644
--- a/Include/abstract.h
+++ b/Include/abstract.h
@@ -382,6 +382,18 @@
*/
+ /* Implemented elsewhere:
+
+ int PyObject_Not(PyObject *o);
+
+ Returns 0 if the object, o, is considered to be true, and
+ 1 otherwise. This is equivalent to the Python expression:
+ not o
+
+ This function always succeeds.
+
+ */
+
PyObject *PyObject_Type Py_PROTO((PyObject *o));
/*
diff --git a/Include/object.h b/Include/object.h
index f2a83d7..18cca9f 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -271,6 +271,7 @@
extern int PyObject_HasAttr Py_PROTO((PyObject *, PyObject *));
extern long PyObject_Hash Py_PROTO((PyObject *));
extern int PyObject_IsTrue Py_PROTO((PyObject *));
+extern int PyObject_Not Py_PROTO((PyObject *));
extern int PyCallable_Check Py_PROTO((PyObject *));
extern int PyNumber_Coerce Py_PROTO((PyObject **, PyObject **));
extern int PyNumber_CoerceEx Py_PROTO((PyObject **, PyObject **));
diff --git a/Objects/object.c b/Objects/object.c
index 0de095f..aa73740 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -470,6 +470,20 @@
return res;
}
+/* equivalent of 'not v'
+ Return -1 if an error occurred */
+
+int
+PyObject_Not(v)
+ PyObject *v;
+{
+ int res;
+ res = PyObject_IsTrue(v);
+ if (res < 0)
+ return res;
+ return res == 0;
+}
+
/* Coerce two numeric types to the "larger" one.
Increment the reference count on each argument.
Return -1 and raise an exception if no coercion is possible