| Armin Rigo | 5953bac | 2006-07-06 07:58:18 +0000 | [diff] [blame] | 1 | """ |
| 2 | _PyType_Lookup() returns a borrowed reference. | ||||
| 3 | This attacks the call in dictobject.c. | ||||
| 4 | """ | ||||
| 5 | |||||
| 6 | class A(object): | ||||
| 7 | pass | ||||
| 8 | |||||
| 9 | class B(object): | ||||
| 10 | def __del__(self): | ||||
| 11 | print 'hi' | ||||
| 12 | del D.__missing__ | ||||
| 13 | |||||
| 14 | class D(dict): | ||||
| 15 | class __missing__: | ||||
| 16 | def __init__(self, *args): | ||||
| 17 | pass | ||||
| 18 | |||||
| 19 | |||||
| 20 | d = D() | ||||
| 21 | a = A() | ||||
| 22 | a.cycle = a | ||||
| 23 | a.other = B() | ||||
| 24 | del a | ||||
| 25 | |||||
| 26 | prev = None | ||||
| 27 | while 1: | ||||
| 28 | d[5] | ||||
| 29 | prev = (prev,) | ||||