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If we have no active machine, return None in getEngineCommand

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This fixes a race condition on Windows where setting the active machine
takes too long
This commit is contained in:
Arjen Hiemstra 2015-10-08 11:53:28 +02:00
parent a435004459
commit c5ca763621
1 changed files with 5 additions and 1 deletions
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6
plugins/CuraEngineBackend/CuraEngineBackend.py
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@ -86,7 +86,11 @@ class CuraEngineBackend(Backend):
# This is usefull for debugging and used to actually start the engine
# \return list of commands and args / parameters.
def getEngineCommand(self):
return [Preferences.getInstance().getValue("backend/location"), "connect", "127.0.0.1:{0}".format(self._port), "-j", Application.getInstance().getMachineManager().getActiveMachineInstance().getMachineDefinition().getPath(), "-vv"]
active_machine = Application.getInstance().getMachineManager().getActiveMachineInstance()
if not active_machine:
return None
return [Preferences.getInstance().getValue("backend/location"), "connect", "127.0.0.1:{0}".format(self._port), "-j", active_machine.getMachineDefinition().getPath(), "-vv"]
## Emitted when we get a message containing print duration and material amount. This also implies the slicing has finished.
# \param time The amount of time the print will take.