subprocess kill

[luca72]

On 5 Dic, 00:03, luca72 <lucabe... at libero.it> wrote:
> On 4 Dic, 23:23, Mike Driscoll <kyoso... at gmail.com> wrote:
>
>
>
> > On Dec 4, 3:50 pm, luca72 <lucabe... at libero.it> wrote:
>
> > > Hello i'm using subprocess in this way:
> > > self.luca = subprocess.Popen(['/usr/bin/
> > > dvbtune'+frase_sint],shell=True, stdout=self.f_s_l,stderr=self.f_s_e )
>
> > > then i kill:
> > > self.luca.Kill()
>
> > > but the process is still active and the file self.f_s_l increase it
> > > size because the process is not killed.
>
> > > How i can kill the process?
> > > Regards
>
> > > Luca
>
> > Seehttp://lmgtfy.com/?q=python+kill+subprocess+linux
>
> > When I do that on my machine, the 2nd result has the answer:
>
> >http://stackoverflow.com/questions/1064335/in-python-2-5-how-do-i-kil...
>
> > -------------------
> > Mike Driscoll
>
> > Blog:  http://blog.pythonlibrary.org
>
> Hello Mike i have also test but they never kill the process the file
> (stdout=self.f_s_l) increase it's size, haveyou some idea.
> also if i close the program the process is still active.
>
> Regards
>
> Luca

i'm able only to kill via shell like kill -9 process pid, Why?