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Reduce nesting complexity with some pre-checks

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There were two pre-checks here, where the main body of the function was indented two deep. Instead, just early-out if the checks fail. This is easier to read and understand.

Found during investigation of CURA-8128.
This commit is contained in:
Ghostkeeper 2021-06-16 12:57:49 +02:00
parent cc6a629d92
commit 31106d13d0
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1 changed files with 31 additions and 29 deletions
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60
plugins/PerObjectSettingsTool/PerObjectSettingVisibilityHandler.py
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@ -73,38 +73,40 @@ class PerObjectSettingVisibilityHandler(UM.Settings.Models.SettingVisibilityHand
# Add all instances that are not added, but are in visibility list
for item in visible:
if settings.getInstance(item) is None: # Setting was not added already.
definition = self._stack.getSettingDefinition(item)
if definition:
new_instance = SettingInstance(definition, settings)
if settings.getInstance(item) is not None: # Setting was added already.
continue
definition = self._stack.getSettingDefinition(item)
if not definition:
Logger.log("w", f"Unable to add instance ({item}) to per-object visibility because we couldn't find the matching definition.")
continue
new_instance = SettingInstance(definition, settings)
stack_nr = -1
stack = None
# Check from what stack we should copy the raw property of the setting from.
if self._stack.getProperty("machine_extruder_count", "value") > 1:
if definition.limit_to_extruder != "-1":
# A limit to extruder function was set and it's a multi extrusion machine. Check what stack we do need to use.
stack_nr = str(int(round(float(self._stack.getProperty(item, "limit_to_extruder")))))
# Check if the found stack_number is in the extruder list of extruders.
if stack_nr not in ExtruderManager.getInstance().extruderIds and self._stack.getProperty("extruder_nr", "value") is not None:
stack_nr = -1
stack = None
# Check from what stack we should copy the raw property of the setting from.
if self._stack.getProperty("machine_extruder_count", "value") > 1:
if definition.limit_to_extruder != "-1":
# A limit to extruder function was set and it's a multi extrusion machine. Check what stack we do need to use.
stack_nr = str(int(round(float(self._stack.getProperty(item, "limit_to_extruder")))))
# Check if the found stack_number is in the extruder list of extruders.
if stack_nr not in ExtruderManager.getInstance().extruderIds and self._stack.getProperty("extruder_nr", "value") is not None:
stack_nr = -1
# Use the found stack number to get the right stack to copy the value from.
if stack_nr in ExtruderManager.getInstance().extruderIds:
stack = ContainerRegistry.getInstance().findContainerStacks(id = ExtruderManager.getInstance().extruderIds[stack_nr])[0]
else:
stack = self._stack
# Use the found stack number to get the right stack to copy the value from.
if stack_nr in ExtruderManager.getInstance().extruderIds:
stack = ContainerRegistry.getInstance().findContainerStacks(id = ExtruderManager.getInstance().extruderIds[stack_nr])[0]
else:
stack = self._stack
# Use the raw property to set the value (so the inheritance doesn't break)
if stack is not None:
new_instance.setProperty("value", stack.getRawProperty(item, "value"))
else:
new_instance.setProperty("value", None)
new_instance.resetState() # Ensure that the state is not seen as a user state.
settings.addInstance(new_instance)
visibility_changed = True
else:
Logger.log("w", "Unable to add instance (%s) to per-object visibility because we couldn't find the matching definition", item)
# Use the raw property to set the value (so the inheritance doesn't break)
if stack is not None:
new_instance.setProperty("value", stack.getRawProperty(item, "value"))
else:
new_instance.setProperty("value", None)
new_instance.resetState() # Ensure that the state is not seen as a user state.
settings.addInstance(new_instance)
visibility_changed = True
if visibility_changed:
self.visibilityChanged.emit()