#399 Too many sar_demo defined in the system

[marc]

In a given TANGO_HOST when trying to define a new sar_demo, it has been found that there is a limit to the possible number of sar_demo installed in the system. It should be good to remove this limit if possible.

Door_demo3_1 [4]: sar_demo
[START] runMacro Macro 'sar_demo()'
Sending exception event
[ENDEX] (MacroServerException) runMacro sar_demo
Traceback (most recent call last):
File "/siciliarep/tmp/mrosanes/CTGENSOFT/sardana/src/sardana/macroserver/msmacromanager.py", line 1136, in runMacro
for step in macro_obj.exec_():
File "/siciliarep/tmp/mrosanes/CTGENSOFT/sardana/src/sardana/macroserver/macro.py", line 2164, in exec_
res = self.run(self._in_pars)
File "/siciliarep/tmp/mrosanes/CTGENSOFT/sardana/src/sardana/macroserver/macro.py", line 2331, in run
return self._function(self, args)
File "/siciliarep/tmp/mrosanes/CTGENSOFT/sardana/src/sardana/macroserver/macros/demo.py", line 98, in sar_demo
motor_names = get_free_names(db, "mot", 4)
File "/siciliarep/tmp/mrosanes/CTGENSOFT/sardana/src/sardana/macroserver/macros/demo.py", line 49, in get_free_names
raise Exception("Too many sardana demos registered on this system.\n"
Exception: Too many sardana demos registered on this system.
Please try using a different tango system

An error occurred while running Macro 'sar_demo()':
Too many sardana demos registered on this system.
Please try using a different tango system
Job ended (stopped=False, aborted=False)