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Switch early fail around to reduce indentation

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Makes this more readable.

Contributes to issue CURA-6793.
This commit is contained in:
Ghostkeeper 2019-10-08 15:22:12 +02:00
parent b137e6a36d
commit dd8ee2e3d8
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1 changed files with 24 additions and 23 deletions
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47
cura/Settings/ExtruderManager.py
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@ -323,35 +323,36 @@ class ExtruderManager(QObject):
## Adds the extruders of the currently active machine. ## Adds the extruders of the currently active machine.
def _addCurrentMachineExtruders(self) -> None: def _addCurrentMachineExtruders(self) -> None:
global_stack = self._application.getGlobalContainerStack() global_stack = self._application.getGlobalContainerStack()
if not global_stack:
return
extruders_changed = False extruders_changed = False
container_registry = ContainerRegistry.getInstance()
global_stack_id = global_stack.getId()
if global_stack: # Gets the extruder trains that we just created as well as any that still existed.
container_registry = ContainerRegistry.getInstance() extruder_trains = container_registry.findContainerStacks(type = "extruder_train", machine = global_stack_id)
global_stack_id = global_stack.getId()
# Gets the extruder trains that we just created as well as any that still existed. # Make sure the extruder trains for the new machine can be placed in the set of sets
extruder_trains = container_registry.findContainerStacks(type = "extruder_train", machine = global_stack_id) if global_stack_id not in self._extruder_trains:
self._extruder_trains[global_stack_id] = {}
extruders_changed = True
# Make sure the extruder trains for the new machine can be placed in the set of sets # Register the extruder trains by position
if global_stack_id not in self._extruder_trains: for extruder_train in extruder_trains:
self._extruder_trains[global_stack_id] = {} extruder_position = extruder_train.getMetaDataEntry("position")
extruders_changed = True self._extruder_trains[global_stack_id][extruder_position] = extruder_train
# Register the extruder trains by position # regardless of what the next stack is, we have to set it again, because of signal routing. ???
for extruder_train in extruder_trains: extruder_train.setParent(global_stack)
extruder_position = extruder_train.getMetaDataEntry("position") extruder_train.setNextStack(global_stack)
self._extruder_trains[global_stack_id][extruder_position] = extruder_train extruders_changed = True
# regardless of what the next stack is, we have to set it again, because of signal routing. ??? self.fixSingleExtrusionMachineExtruderDefinition(global_stack)
extruder_train.setParent(global_stack) if extruders_changed:
extruder_train.setNextStack(global_stack) self.extrudersChanged.emit(global_stack_id)
extruders_changed = True self.setActiveExtruderIndex(0)
self.activeExtruderChanged.emit()
self.fixSingleExtrusionMachineExtruderDefinition(global_stack)
if extruders_changed:
self.extrudersChanged.emit(global_stack_id)
self.setActiveExtruderIndex(0)
self.activeExtruderChanged.emit()
# After 3.4, all single-extrusion machines have their own extruder definition files instead of reusing # After 3.4, all single-extrusion machines have their own extruder definition files instead of reusing
# "fdmextruder". We need to check a machine here so its extruder definition is correct according to this. # "fdmextruder". We need to check a machine here so its extruder definition is correct according to this.