non OO behaviour of file

Robin Becker robin at reportlab.com
Wed Jun 15 20:52:39 CEST 2005


Jp Calderone wrote:
> On Wed, 15 Jun 2005 16:38:32 +0100, Robin Becker <robin at reportlab.com> wrote:
> 
>>Michael Hoffman wrote:
>>.....
>>
>>>Well, you could use python -u:
>>>
>>
>>unfortunately this is in a detached process and I am just reopening stdout
>>as an ordinary file so another process can do tail -F on it. I imagine ther
>>ought to be an os dependant way to set the file as unbuffered, but can't
>>remember/find out what it ought to be.
>>
> 
> 
> open(name, 'w', 0)
> 
> For even more excitment, there's os.open() with the O_DIRECT and O_SYNC flags.  You shouldn't need to go to this extreme, though.
> 
> FWIW, I think the behavior of Python wrt file subclasses that override write() is silly, too.
> 
> Jp
that's the one I was fumbling towards :)

-- 
Robin Becker




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