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Fix bug where undo operations may invalidate an ID map and break everything

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This commit is contained in:
Dion Moult
2021-02-23 20:01:00 +11:00
parent 1e22dbca1e
commit 15cf3f5afd
1 changed files with 15 additions and 2 deletions
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src/ifcblenderexport/blenderbim/bim/handler.py
+15 -2
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@@ -69,8 +69,21 @@ def ensureIfcExported(scene):
@persistent
def storeIdMap(scene):
bpy.context.scene.BIMProperties.id_map = json.dumps({k: v.name for k, v in IfcStore.id_map.items()})
bpy.context.scene.BIMProperties.guid_map = json.dumps({k: v.name for k, v in IfcStore.guid_map.items()})
try:
bpy.context.scene.BIMProperties.id_map = json.dumps({k: v.name for k, v in IfcStore.id_map.items()})
bpy.context.scene.BIMProperties.guid_map = json.dumps({k: v.name for k, v in IfcStore.guid_map.items()})
except:
# Regenerate maps. Is there a better solution for this? It seems fragile.
file = IfcStore.get_file()
IfcStore.id_map = {
o.ifc_definition_id: o.name for o in bpy.data.objects if o.BIMObjectProperties.ifc_definition_id
}
IfcStore.guid_map = {
file.by_id(i).GlobalId: n for i, n in IfcStore.id_map.items() if file.by_id(i).is_a("IfcRoot")
}
# Then attempt to store it again
bpy.context.scene.BIMProperties.id_map = json.dumps({k: v.name for k, v in IfcStore.id_map.items()})
bpy.context.scene.BIMProperties.guid_map = json.dumps({k: v.name for k, v in IfcStore.guid_map.items()})
@persistent