[Fedora-livecd-list] Revised: [PATCH] turboLiveInst - improves livecd/usb installer speed by 15-20+%

Mark McLoughlin markmc at redhat.com
Tue Sep 4 13:56:06 UTC 2007


On Tue, 2007-09-04 at 09:49 -0400, Colin Walters wrote:
> On 9/4/07, Mark McLoughlin <markmc at redhat.com> wrote:
>         
>             (status, output) =
>         commands.getstatusoutput("/sbin/dumpe2fs -h /dev/root")
> 
>  
> Not directly related to your discussion, but personally I am fairly
> fanatical about never involving /bin/sh in - well, anything if I can
> avoid it =)  Here it will be fine, but then maybe someone comes along
> later and wants to add a user-passed parameter to the command, and
> then you need to quote (if it's even remembered, and if it's not then
> you have weird failures and in other software security problems). 

	Fair point but ...

> The "subprocess" module is the fix:
> 
> output = subprocess.Popen(['/sbin/dumpe2fs', '-h', '/dev/root'], stdout=subprocess.PIPE).communicate()[0]

	... that sucks :-)

	(But yeah, agreed)

Cheers,
Mark.





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