mirror of
https://github.com/python/cpython.git
synced 2025-07-23 03:05:38 +00:00
ff737954f3
Also removed im_class and renamed im_self to __self__ and im_func to __func__. im_class can be substituted with method.__self__.__class__. I've also updated some parts of the documenation.
38 lines
647 B
Python
38 lines
647 B
Python
"""
|
|
_PyType_Lookup() returns a borrowed reference.
|
|
This attacks PyObject_GenericSetAttr().
|
|
|
|
NB. on my machine this crashes in 2.5 debug but not release.
|
|
"""
|
|
|
|
class A(object):
|
|
pass
|
|
|
|
class B(object):
|
|
def __del__(self):
|
|
print("hi")
|
|
del C.d
|
|
|
|
class D(object):
|
|
def __set__(self, obj, value):
|
|
self.hello = 42
|
|
|
|
class C(object):
|
|
d = D()
|
|
|
|
def g():
|
|
pass
|
|
|
|
|
|
c = C()
|
|
a = A()
|
|
a.cycle = a
|
|
a.other = B()
|
|
|
|
lst = [None] * 1000000
|
|
i = 0
|
|
del a
|
|
while 1:
|
|
c.d = 42 # segfaults in PyMethod_New(__func__=D.__set__, __self__=d)
|
|
lst[i] = c.g # consume the free list of instancemethod objects
|
|
i += 1
|