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Return empty quality instead of None in QualityManager::findQualityByQualityType

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Contributes to CURA-2271
This commit is contained in:
Arjen Hiemstra 2016-10-10 13:23:07 +02:00
parent fea0dfdfa1
commit 68662561e8
1 changed files with 5 additions and 1 deletions
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6
cura/QualityManager.py
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@ -20,6 +20,9 @@ class QualityManager:
__instance = None __instance = None
def __init__(self):
self._empty_quality_container = UM.Settings.ContainerRegistry.getInstance().findInstanceContainers(id = "empty_quality")[0]
## Find a quality by name for a specific machine definition and materials. ## Find a quality by name for a specific machine definition and materials.
# #
# \param quality_name # \param quality_name
@ -92,7 +95,8 @@ class QualityManager:
if not result and material_containers and len(material_containers) == 1: if not result and material_containers and len(material_containers) == 1:
basic_materials = self._getBasicMaterials(material_containers[0]) basic_materials = self._getBasicMaterials(material_containers[0])
result = self._getFilteredContainersForStack(machine_definition, basic_materials, **criteria) result = self._getFilteredContainersForStack(machine_definition, basic_materials, **criteria)
return result[0] if result else None
return result[0] if result else self._empty_quality_container
## Find all suitable qualities for a combination of machine and material. ## Find all suitable qualities for a combination of machine and material.
# #