Redirect question

[Robin Munn]

Karsten Weinert <k.weinert at gmx.net> wrote:
> Hi,
> I have a question about redirecting. Here is a small program I found
> on the web which I slightly modified; but now it does not run:
> 
> import win32ui, sys
> 
> class Redirect:
>   def __init__(self):
>     self.s=""
>   def write(self, s):
>     self.s+=s
>   def flush(self):
>     win32ui.MessageBox(s)
> 
> sys.stdout = sys.stderr = Redirect()

Have you tried having Redirect be a subclass of file?

> 
> print 'Hidey Ho'

Does this actually call sys.stdout.write(), or some other method? It's
been too long since I experimented with this type of approach.

> sys.stdout.flush()
> 
> I was expecting that when I call .flush() the MessageBox pops up. But
> nothing happens (Python 2.2 on Win98, the program passed to python.exe
> with a file).
> 
> I am looking for such a "delayed" Output because many error messages
> are multi-line, so redirecting brings up several messageboxes for each
> error. So I would like to do
> 
> try:
>   assert 1==0
> finally:
>   sys.stderr.flush()
> 
> to get one messagebox only.
> Can you advise me how I can fix above program or get the wanted
> feature on an other way?
> 
> Kind regards,
> Karsten.

Sorry I couldn't offer more help, but I hope this gives you some idea at
least of an approach to take to solving your problem.

-- 
Robin Munn <rmunn at pobox.com>
http://www.rmunn.com/
PGP key ID: 0x6AFB6838    50FF 2478 CFFB 081A 8338  54F7 845D ACFD 6AFB 6838