Unexpected exception thrown in del

Mon May 21 11:55:09 EDT 2012

On 05/21/2012 08:29 AM, Charles Hixson wrote:
> message excerpt:
> flush: sql = insert or replace into persists (id, name, data, rdCnt, 
> rdTim, wrCnt, wrTim, deprecation) values (?, ?, ?, ?, ?, ?, ?, ?)
> Exception TypeError: "'NoneType' object is not callable" in <bound 
> method Shelve2.__del__ of <__main__.Shelve2 object at 0x7ff4c0513f90>> 
> ignored
>> flush is being called from within __del__. I've narrowed it down to:
> print ("flush: sql = ", sql)
> curTim = nowI()
> print ("flush: curTim = ", curTim)
>> nowI() is a function defined at the top of the file, and before the 
> class, thus:
> def nowI():
> t = int (time() * 100)
> return t
>> All I can guess is that there's some reason that an external to the 
> class function shouldn't be called during a __del__. Is this correct?
>That seems to be the answer, as replacing the call to nowI() in flush() 
with:
curTim = int (time() * 100)
fixes the problem.
Rereading the documentation, I guess that this should have been 
expected, but if nowI() were a static method of the class, would that 
have avoided the problem? A class method?
-- 
Charles Hixson

Unexpected exception thrown in __del__

Unexpected exception thrown in del