Re: zenmap as root error

["João Medeiros" <ignotus21 () gmail com>]

On Tue, Apr 1, 2008 at 11:21 PM, Guilherme Polo <ggpolo () gmail com> wrote:
> 2008/4/1, João Medeiros <ignotus21 () gmail com>:
>
> > On Tue, Apr 1, 2008 at 10:52 PM, Guilherme Polo <ggpolo () gmail com> wrote:
>  >  >  But, for PyGtk 2.8 and earlier I would suggest doing this in a
>  >  >  different manner (and much simpler and less error-prone):
>  >  >
>  >  >  try:
>  >  >     import gtk
>  >  >  except ImportError, e:
>  >  >     print e
>  >  >
>  >  >  For PyGtk 2.10 and newer, ImportError is actually a warning so the
>  >  >  code changes a bit:
>  >  >
>  >  >  import warnings
>  >  >  warnings.filterwarnings('error', module='gtk')
>  >  >  try:
>  >  >     import gtk
>  >  >  except Warning, w:
>  >  >     print w
>  >  >  warnings.resetwarnings()
>  >  >
>  >
>  >
>  > I think that just display the an eventually warning is not enough. We
>  >  have to leave segfault.
>
>  If this Warning happens, it implies the gtk engine couldn't start and
>  the app wouldn't run anyway (or could try and segfault). Also, you
>  could just call exit after your print that message, it was just a
>  correct template on how to proceed when importing gtk fails.

Hum, sorry if I'm wrong, but if I just call exit in a warning
exception the programing will exit with any warning. Maybe some
warning does not cause segfault.

>  > By this way we have to check if the waring is
>  >  associated to display too.
>
>  Why ? Just checking for DISPLAY, like you proposed, doesn't solve this.

Because of what I say above I think we have to check display
condition. Checking the if DISPLAY var is set and the system is
*nix-like the problem is solved. I have just tested in my linux
machine few minutes ago.

Att, João Medeiros.

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