Re: [orca-list] tracebacks when Enable Braille support is checked and brltty is not running

[José Vilmar Estácio de Souza <vilmar informal com br>]

Hi Joanie.
Thanks for the clarification.

I recreated the preferences orca, so braille was enabled. I was just 
concerned about the performance.
Thanks.


On 02/24/2016 04:23 PM, Joanmarie Diggs wrote:
> Hey José.
>
> Those tracebacks are intentional. They are there to help answer the
> question: "I enabled braille, why isn't it working?"
>
> As for performance, if braille is enabled Orca will generate braille
> output. This is work you do not need Orca to be doing if you do not have
> a braille display. Because I've done quite a bit to improve Orca's
> performance, the hit you take by having braille enabled without using it
> shouldn't be huge, and it might not even be noticeable, but it won't be
> zero because Orca is doing work you don't need it to do.
>
> By the way, Orca will keep checking and not give up if you have braille
> enabled. This is to handle instances like your braille display
> connection being lost. Once you reconnect it, you don't want to have to
> restart Orca. Also, braille is enabled by default because if you need
> braille to enable braille, well.... That's just 1000 different kinds of
> fail.
>
> Long way of saying, "You have the expected result and you probably want
> to disable braille." <smiles>
>
> --joanie
>
> On 02/24/2016 02:15 PM, José Vilmar Estácio de Souza wrote:
> > Hi all.
> > Acidentally I enabled braille support in the orca's preferences. After
> > that I found a lot of tracebaks in the debug of orca since I don't have
> > a braille display and brltty is not running in my machine.
> >
> > Traceback (most recent call last):
> >    File
> > "/data/software/orca3/arch2/lib/python3.5/site-packages/orca/braille.py", line
> > 1711, in init
> >      _brlAPI = brlapi.Connection()
> >    File "brlapi.pyx", line 302, in brlapi.Connection.__init__
> > (brlapi.auto.c:4800)
> > brlapi.ConnectionError: couldn't connect to b':0' with key
> > b'/etc/brlapi.key': b'connect: No such file or directory'
> > (brlerrno 11, libcerrno 2, gaierrno 0)
> > Is BRLTTY really running?
> >
> > I don't know if this can cause problems or impact in the performance.

--
José Vilmar Estácio de Souza