|
Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/lib/python2.7/dist-packages/twisted/python/ |
Upload File : |
"""
A module for externalized finalizers.
"""
import weakref
garbageKey = 0
def callbackFactory(num, fins):
def _cb(w):
del refs[num]
for fx in fins:
fx()
return _cb
refs = {}
def register(inst):
global garbageKey
garbageKey += 1
r = weakref.ref(inst, callbackFactory(garbageKey, inst.__finalizers__()))
refs[garbageKey] = r
if __name__ == '__main__':
def fin():
print 'I am _so_ dead.'
class Finalizeable:
"""
An un-sucky __del__
"""
def __finalizers__(self):
"""
I'm going away.
"""
return [fin]
f = Finalizeable()
f.f2 = f
register(f)
del f
import gc
gc.collect()
print 'deled'