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Catch an error getting an extruder value before extruders are added to the global stack

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fieldOfView 2018-11-14 14:21:39 +01:00
parent 66c3cc9204
commit b671a3153a
1 changed files with 6 additions and 1 deletions
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7
cura/Settings/CuraFormulaFunctions.py
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@ -5,6 +5,7 @@ from typing import Any, List, Optional, TYPE_CHECKING
from UM.Settings.PropertyEvaluationContext import PropertyEvaluationContext
from UM.Settings.SettingFunction import SettingFunction
from UM.Logger import Logger
if TYPE_CHECKING:
from cura.CuraApplication import CuraApplication
@ -38,7 +39,11 @@ class CuraFormulaFunctions:
extruder_position = int(machine_manager.defaultExtruderPosition)
global_stack = machine_manager.activeMachine
extruder_stack = global_stack.extruders[str(extruder_position)]
try:
extruder_stack = global_stack.extruders[str(extruder_position)]
except KeyError:
Logger.log("w", "Value for %s of extruder %s was requested, but that extruder is not available" % (property_key, extruder_position))
return None
value = extruder_stack.getRawProperty(property_key, "value", context = context)
if isinstance(value, SettingFunction):