[pygtk] gobject.io_add_watch buffered?

[Andi Albrecht]

I think it's stdout that's buffered here. Have you tried to flush
stdout after each print to actually write the output?

import sys, time
sys.stdout.write("foo 1")
sys.stdout.flush()
time.sleep(2)
...

Andi

2009/5/5, Gabriele Lanaro <gabriele.lanaro at gmail.com>:
>
> Hi, I'm looking for redirecting the output of a command in a TextWidget and
> I'm using subprocess and gobject.io_add_watch.
> The problem is that sometimes it gives me a buffered output, for example
> with this test program..
> blocking.py----------------
> import time
> print "Passati 0 secondi"
> time.sleep(2)
> print "Passati 2 secondi"
> time.sleep(2)
> print "Passati 4 secondi"
> ----------------------------
> gives me the output all toghether after 4 seconds.
>
> The code fragment of the program interested in spawning the process is that:
> codelauncher.py--------------
> class CodeLauncher:
>    --------------
>    --------------
>    def run(self):
> 	cmdline="python blocking.py"
>         child=subprocess.Popen(cmdline,stdout=subprocess.PIPE)
>         gobject.io_add_watch(child.stdout,gobject.IO_IN |
> gobject.IO_HUP,self.writeout)
>    def writeout(self,file,event):
>         text=1
>         while text:
>                 text=file.readline()
>                 print text,
> -----------------------
>
> --
> Gabriele Lanaro <gabriele.lanaro at gmail.com>
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