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Fix typing

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This commit is contained in:
Lipu Fei 2019-01-28 13:40:42 +01:00
parent c5eb3b0e25
commit 54ce6a3676
1 changed files with 9 additions and 8 deletions
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17
cura/LayerDataDecorator.py
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@ -1,20 +1,21 @@
from typing import Optional from typing import TYPE_CHECKING, Optional
from UM.Scene.SceneNodeDecorator import SceneNodeDecorator from UM.Scene.SceneNodeDecorator import SceneNodeDecorator
if TYPE_CHECKING:
from cura.LayerData import LayerData
## Simple decorator to indicate a scene node holds layer data. ## Simple decorator to indicate a scene node holds layer data.
from cura.LayerData import LayerData
class LayerDataDecorator(SceneNodeDecorator): class LayerDataDecorator(SceneNodeDecorator):
def __init__(self): def __init__(self):
super().__init__() super().__init__()
self._layer_data = None # type: Optional[LayerData] self._layer_data = None # type: Optional[LayerData]
def getLayerData(self) -> Optional[LayerData]: def getLayerData(self) -> Optional["LayerData"]:
return self._layer_data return self._layer_data
def setLayerData(self, layer_data: LayerData) -> None: def setLayerData(self, layer_data: Optional["LayerData"]) -> None:
self._layer_data = layer_data self._layer_data = layer_data
def __deepcopy__(self, memo) -> "LayerDataDecorator": def __deepcopy__(self, memo) -> "LayerDataDecorator":