[OE-core] [PATCH] terminal: Support old tmux version (<1.9) when querying height value

[Aws Ismail]

I have verified that the patch does not work. I am using tmux v1.8
with the latest jethro poky.

On Thu, Nov 5, 2015 at 2:57 PM, Leonardo Sandoval
<leonardo.sandoval.gonzalez at linux.intel.com> wrote:
> This patch did not solve the case when multiple panes are present. I will
> send a V2 patch.
>
>
>
> On 11/03/2015 04:34 PM, leonardo.sandoval.gonzalez at linux.intel.com wrote:
>>
>> From: Leonardo Sandoval <leonardo.sandoval.gonzalez at linux.intel.com>
>>
>> Old tmux version (< 1.9) does not support nested formats on the -F
>> parameter, so
>> if nested format does not give any answer, do the query in two steps.
>>
>> Tested on tmux 1.6.
>>
>> Signed-off-by: Leonardo Sandoval
>> <leonardo.sandoval.gonzalez at linux.intel.com>
>> ---
>>   meta/lib/oe/terminal.py |   15 ++++++++++++++-
>>   1 file changed, 14 insertions(+), 1 deletion(-)
>>
>> diff --git a/meta/lib/oe/terminal.py b/meta/lib/oe/terminal.py
>> index 52a8913..686b1ce 100644
>> --- a/meta/lib/oe/terminal.py
>> +++ b/meta/lib/oe/terminal.py
>> @@ -218,11 +218,24 @@ def spawn(name, sh_cmd, title=None, env=None,
>> d=None):
>>
>>   def check_tmux_pane_size(tmux):
>>       import subprocess as sub
>> +    size = 0
>>       try:
>>           p = sub.Popen('%s list-panes -F
>> "#{?pane_active,#{pane_height},}"' % tmux,
>>                   shell=True,stdout=sub.PIPE,stderr=sub.PIPE)
>>           out, err = p.communicate()
>> -        size = int(out.strip())
>> +        try:
>> +            size = int(out.strip())
>> +        except ValueError:
>> +            # Older tmux versions (< 1.9) does not support nested
>> formats,
>> +            # so try it in two steps
>> +            p = sub.Popen('%s list-panes -F "#{?pane_active,yes,no}"' %
>> tmux,
>> +                shell=True,stdout=sub.PIPE,stderr=sub.PIPE)
>> +            out, err = p.communicate()
>> +            if "yes" in out.strip():
>> +                p = sub.Popen('%s list-panes -F "#{pane_height}"' % tmux,
>> +                              shell=True,stdout=sub.PIPE,stderr=sub.PIPE)
>> +                out, err = p.communicate()
>> +                size = int(out.strip())
>>       except OSError as exc:
>>           import errno
>>           if exc.errno == errno.ENOENT:
>>
> --
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