[Bugs] #1755 UNSP: sugar-emulator: better error message if X server is unreachable

[Sugar Labs Bugs]

#1755: sugar-emulator: better error message if X server is unreachable
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    Reporter:  sascha_silbe               |          Owner:  sascha_silbe     
        Type:  defect                     |         Status:  accepted         
    Priority:  Unspecified by Maintainer  |      Milestone:  0.88.x           
   Component:  sugar                      |        Version:  Git as of bugdate
    Severity:  Trivial                    |       Keywords:  r?               
Distribution:  Unspecified                |   Status_field:  Assigned         
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Changes (by sascha_silbe):

 * cc: tomeu (added)
  * keywords:  r! => r?


Comment:

 Replying to [comment:3 tomeu]:
 > +        sys.stderr.write('Error executing server: %s\n' % (exc, ))
 > Better print the full exception including the traceback?
 That will add no useful information and instead confuse the user.

 > +            if not pipe:
 > +    if not server:
 > Always use "is None", classes implementing a collection protocol
 evaluate to False when empty.
 Changed.

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Ticket URL: <http://bugs.sugarlabs.org/ticket/1755#comment:4>
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