IOError: [Errno 4] Interrupted system call

[Gabriel Genellina]

En Tue, 06 Feb 2007 22:09:00 -0300, Marco <marco at waven.com> escribió:

> in my old script, I usually use os.popen2() to get info from standard
> unix(LinuX) program like ps,ifconfig...
>
> Now, I write a OO-based programme, I still use os.popen2( check
> whether mplayer still working via ps command ), but some things I got
> the following message:
>
> Traceback (most recent call last):
>   File "./mkt.py", line 351, in loop_timeout
>     self.process(self.event.get_next())
>   File "./mkt.py", line 361, in process
>     self.player.play(command[1])
>   File "./mkt.py", line 107, in play
>     if self.is_playing():
>   File "./mkt.py", line 78, in is_playing
>     info = rfd.readlines()
> IOError: [Errno 4] Interrupted system call

I don't know if this is a valid behavior or not, perhaps it's a bug inside  
Python signal handling, but anyway, why don't you just catch the exception?

-- 
Gabriel Genellina