remove the check that classmethod's argument is a callable
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 6dc27be..00f19ce 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -1391,13 +1391,9 @@
self.assertEqual(super(D,D).goo(), (D,))
self.assertEqual(super(D,d).goo(), (D,))
- # Verify that argument is checked for callability (SF bug 753451)
- try:
- classmethod(1).__get__(1)
- except TypeError:
- pass
- else:
- self.fail("classmethod should check for callability")
+ # Verify that a non-callable will raise
+ meth = classmethod(1).__get__(1)
+ self.assertRaises(TypeError, meth)
# Verify that classmethod() doesn't allow keyword args
try:
diff --git a/Misc/NEWS b/Misc/NEWS
index 3b0bd5c..dfb2e22 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,8 @@
Core and Builtins
-----------------
+- classmethod no longer checks if its argument is callable.
+
- Issue #6750: A text file opened with io.open() could duplicate its output
when writing from multiple threads at the same time.
diff --git a/Objects/classobject.c b/Objects/classobject.c
index 7d3d048..3f51c0f 100644
--- a/Objects/classobject.c
+++ b/Objects/classobject.c
@@ -2226,10 +2226,6 @@
PyMethod_New(PyObject *func, PyObject *self, PyObject *klass)
{
register PyMethodObject *im;
- if (!PyCallable_Check(func)) {
- PyErr_BadInternalCall();
- return NULL;
- }
im = free_list;
if (im != NULL) {
free_list = (PyMethodObject *)(im->im_self);
diff --git a/Objects/funcobject.c b/Objects/funcobject.c
index 7774e6d..075f820 100644
--- a/Objects/funcobject.c
+++ b/Objects/funcobject.c
@@ -659,12 +659,6 @@
return -1;
if (!_PyArg_NoKeywords("classmethod", kwds))
return -1;
- if (!PyCallable_Check(callable)) {
- PyErr_Format(PyExc_TypeError, "'%s' object is not callable",
- callable->ob_type->tp_name);
- return -1;
- }
-
Py_INCREF(callable);
cm->cm_callable = callable;
return 0;