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Don't get whole container to just get metadata

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A performance improvement, especially in the material models.

Contributes to issue CURA-6793.
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Ghostkeeper 2019-10-16 13:56:23 +02:00
parent 9f84304829
commit 7348c70af6
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7 changed files with 14 additions and 15 deletions
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6
cura/Machines/Models/BaseMaterialsModel.py
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@ -126,8 +126,8 @@ class BaseMaterialsModel(ListModel):
if material_base_file in self._available_materials:
self._update()
## This is an abstract method that needs to be implemented by the specific
# models themselves.
## This is an abstract method that needs to be implemented by the specific
# models themselves.
def _update(self):
self._favorite_ids = set(cura.CuraApplication.CuraApplication.getInstance().getPreferences().getValue("cura/favorite_materials").split(";"))
@ -141,7 +141,7 @@ class BaseMaterialsModel(ListModel):
nozzle_name = extruder_stack.variant.getName()
materials = ContainerTree.getInstance().machines[global_stack.definition.getId()].variants[nozzle_name].materials
approximate_material_diameter = extruder_stack.getApproximateMaterialDiameter()
self._available_materials = {key: material for key, material in materials.items() if float(material.container.getMetaDataEntry("approximate_diameter", -1)) == approximate_material_diameter}
self._available_materials = {key: material for key, material in materials.items() if float(material.getMetaDataEntry("approximate_diameter", -1)) == approximate_material_diameter}
## This method is used by all material models in the beginning of the
# _update() method in order to prevent errors. It's the same in all models