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[commands] AddNode: serialize links to other Attributes

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avoid storing a reference to Attribute objects that might get deleted
This commit is contained in:
Yann Lanthony 2018-03-15 16:01:55 +01:00
parent f939b36999
commit d4c0d4cb36
1 changed files with 5 additions and 1 deletions
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6
meshroom/ui/commands.py
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@ -4,7 +4,7 @@ from contextlib import contextmanager
from PySide2.QtWidgets import QUndoCommand, QUndoStack
from PySide2.QtCore import Property, Signal
from meshroom.core.graph import Node, ListAttribute, Graph, GraphModification
from meshroom.core.graph import Node, ListAttribute, Graph, GraphModification, Attribute
class UndoCommand(QUndoCommand):
@ -89,6 +89,10 @@ class AddNodeCommand(GraphCommand):
self.nodeType = nodeType
self.nodeName = None
self.kwargs = kwargs
# Serialize Attributes as link expressions
for key, value in self.kwargs.items():
if isinstance(value, Attribute):
self.kwargs[key] = value.asLinkExpr()
def redoImpl(self):
node = self.graph.addNewNode(self.nodeType, **self.kwargs)