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nest api to maintain order of related objects #4698

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order of objects in .RelatedObjects is important (e.g. for cost items, it's the order of their appearance), so we should maintain it and cannot use sets for .RelatedObjects
This commit is contained in:
Andrej730
2024-05-20 16:24:35 +05:00
parent fb88499197
commit 678dbaa66a
4 changed files with 49 additions and 12 deletions
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src/ifcopenshell-python/ifcopenshell/api/nest/unassign_object.py
+6 -6
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@@ -49,23 +49,23 @@ def unassign_object(file: ifcopenshell.file, related_objects: list[ifcopenshell.
# nothing is returned, relationship is removed
ifcopenshell.api.run("nest.unassign_object", model, related_objects=[subtask2])
"""
settings = {"related_objects": related_objects}
related_objects = set(settings["related_objects"])
# NOTE: maintain .RelatedObjects order as it has meaning in IFC
related_objects_set = set(related_objects)
ifc2x3 = file.schema == "IFC2X3"
if ifc2x3:
rels = set(
rel
for object in related_objects
for object in related_objects_set
if (rel := next((rel for rel in object.Decomposes if rel.is_a("IfcRelNests")), None))
)
else:
rels = set(rel for object in related_objects if (rel := next((rel for rel in object.Nests), None)))
for rel in rels:
related_objects = set(rel.RelatedObjects) - related_objects
if related_objects:
rel.RelatedObjects = list(related_objects)
cur_related_objects = [o for o in rel.RelatedObjects if o not in related_objects_set]
if cur_related_objects:
rel.RelatedObjects = cur_related_objects
ifcopenshell.api.run("owner.update_owner_history", file, **{"element": rel})
else:
history = rel.OwnerHistory