global destructor not called?

[Neal Becker]

Bruno Desthuilliers wrote:

> Neal Becker a écrit :
>> To implement logging, I'm using a class:
> 
> If I may ask : any reason not to use the logging module in the stdlib ?

Don't exactly recall, but needed some specific behavior and it was just
easier this way.

> 
>> class logger (object):
>>     def __init__ (self, name):
>>         self.name = name
>>         self.f = open (self.name, 'w')
>>     def write (self, stuff):
>>         self.f.write (stuff)
>>     def close (self):
>>         self.f.close()
>>     def flush (self):
>>         self.f.flush()
>>     def reopen (self):
>>         self.f.flush()
>>         self.f.close()
>>         os.rename (self.name, self.name + '.old')
>>         self.f = open (self.name, 'w')
>>     def __del__ (self):
>>         try:
>>             os.remove (self.name + '.old')
>>         except:
>>             pass
>> 
>> And setting:
>> sys.stderr = logger(...)
>> 
>> It seems my cleanup (__del__) is never called,
> 
> What makes you think so ?

Cleanup should remove file file '.old', and it wasn't removed.  Adding
atexit.register (self.__del__) to the logger constructor DID fix it.

> 
>> even though I believe my
>> program exits normally.  What's wrong?
> 
> Not enough data...