#1846 BLOC Trial-2: Sugar crashes when nickname is " "

[Zarro Boogs per Child]

#1846: Sugar crashes when nickname is "          "
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 Reporter:  cjb      |       Owner:  dcbw     
     Type:  defect   |      Status:  new      
 Priority:  blocker  |   Milestone:  Trial-2  
Component:  sugar    |     Version:  Build 406
 Keywords:           |    Verified:  0        
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 With this traceback:

 {{{
 STDERR - Traceback (most recent call last):
   File "/usr/bin/sugar-shell", line 85, in ?
     model = ShellModel()
   File "/usr/share/sugar/shell/model/ShellModel.py", line 51, in __init__
     self._owner.announce()
   File "/usr/share/sugar/shell/model/Owner.py", line 91, in announce
     PRESENCE_SERVICE_TYPE, properties=props)
   File "/usr/lib/python2.4/site-
 packages/sugar/presence/PresenceService.py", line 216, in register_service
     serv_op = self._ps.registerService(name, stype, properties, address,
 port, domain)
   File "/usr/lib/python2.4/site-packages/dbus/proxies.py", line 85, in
 __call__
     return self._proxy_method(*args, **keywords)
   File "/usr/lib/python2.4/site-packages/dbus/proxies.py", line 169, in
 __call__
     reply_message =
 self._connection.send_message_with_reply_and_block(message, timeout)
 DBusException: org.freedesktop.DBus.Python.exceptions.ValueError:
 Traceback (most recent call last):
   File "/usr/lib/python2.4/site-packages/dbus/service.py", line 451, in
 _message_cb
     retval = candidate_method(self, *args, **keywords)
   File "/usr/share/sugar/services/presence/PresenceService.py", line 272,
 in registerService
     port, domain, sender)
   File "/usr/share/sugar/services/presence/PresenceService.py", line 816,
 in register_service
     local_publisher=sender)
   File "/usr/share/sugar/services/presence/Service.py", line 177, in
 __init__
     raise ValueError("must specify a valid service name.")
 ValueError: must specify a valid service name.
 }}}

 Seen on build406.  We'll need to backport a fix for this to 406, I think.

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Ticket URL: <http://dev.laptop.org/ticket/1846>
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