I have a class which I want to save it's data automatically on disc,
when it's destroyed. I have following code:
from cPickle import dump
class __Register(object):
def __init__(self):
self.dict = {}
def __del__(self):
fh = open('aaa', 'w')
dump(self.dict, fh)
fh.close()
g_register = __Register() # global instance. I do not destroy it
manually, so destructor is called on iterpreter exit
But when g_register is being destroyed, dump seems to be already dead,
so I get:
Exception exceptions.TypeError: "'NoneType' object is not callable" in
<bound method __Register.__del__ of <MyWiki.Register.__Register object
at 0x835a74c>> ignored
can I somehow save my data from destructor?
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