Gregor Horvath wrote:
> Felipe Almeida Lessa schrieb:
>
>>>>>del B
>>>>># We'll to tell him to collect the garbage here, but
>>
>> ... # usually it should not be necessary.
>
> Thanks. If I do
>
> del B
>
> then the __del__ of A gets called.
> That surprises me.
Why ?
> I thought that B gets del'd by python when it goes
> out of scope?
It does. What you have to understand here is that in your script, B
being in the global (read : module) scope, it doesnt goes out of scope
before the script's execution's done. By that time, it's too late to do
anything with stdin/stdout/stderr.
Just add this to the script:
def foo():
b = B()
print "in foo"
foo()
> Do I manually have to del all class objects, so that their class
> attributes get gc'd ????
Absolutely not. The only times I use del is when I want to cleanup a
namespace from temp vars no longer used (usually a module's namespace
with some hairy tricks at load time).
--
bruno desthuilliers
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