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[core] Attribute: avoid accessing member function of an invalid object

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Fabien Castan 2019-09-12 15:44:34 +02:00 • committed by Yann Lanthony
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commit f1267d7e67
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meshroom/core/attribute.py
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@ -151,7 +151,9 @@ class Attribute(BaseObject):
@property @property
def isLink(self): def isLink(self):
""" Whether the attribute is a link to another attribute. """ """ Whether the attribute is a link to another attribute. """
return self.node.graph and self.isInput and self in self.node.graph.edges.keys() # Note: Need to test self.node.graph.edges before accessing to edges.keys() to avoid errors in particular conditions.
# For instance: open a scene, modify something and close without saving it.
return self.node.graph and self.isInput and self.node.graph.edges and self in self.node.graph.edges.keys()
@staticmethod @staticmethod
def isLinkExpression(value): def isLinkExpression(value):