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https://github.com/IfcOpenShell/IfcOpenShell.git
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Add UI to pick/override a property or quantity's unit of measure in the Pset/Qto editor
Bonsai's Pset/Qto editor could display a property or quantity's own Unit override, but had no UI to author one -- only the project-level Project Units panel existed, which sets defaults, not per-instance overrides. Builds on the edit_pset/edit_qto Unit-wrapping support and the get_unit_scale/get_candidate_units helpers added in the previous commit. - bim/prop.py: Attribute gains unit_id (the STEP id of the property's own override, 0 = project default) and unit_id_enum (the dropdown-driving dynamic enum, "Default (<symbol>)" plus every candidate unit for the attribute's measure type). update_attribute_unit_id converts the stored value live when a different unit is picked, so the physical quantity is preserved rather than the number being silently relabeled. - tool/pset.py: is_measurable_special_type/get_candidate_units_for_special_type/ resolve_effective_unit/convert_attribute_unit support the picker and the live conversion. get_special_type_for_prop classifies a property by its value's own declared measure type, falling back to an explicitly-attached Unit for generic numeric types (e.g. IfcReal) whose spec carries no unit semantics of its own but which may still legitimately carry one. Seeding in import_pset_from_existing ignores a stray Unit attached to a property whose value has no numeric/measure semantics at all (e.g. text), which used to crash trying to select an identifier the picker's enum items never include. - bim/module/pset/ui.py: the picker widget itself, next to the value field in edit mode, gated on the attribute being measurable. - bim/module/pset/operator.py: EditPset wraps measurable values with their chosen Unit on save, for both properties and quantities. The qto rounding-loop fix reaches into the wrapped dict instead of assuming a bare float/int, which would otherwise zero out every unit-overridden quantity. Adds regression tests across all of the above, including conversion correctness, explicit-clear/default round-trips, an unrelated sibling property's override surviving untouched, and the stray-Unit crash guard.
This commit is contained in:
Richard Brice
@@ -21,7 +21,9 @@ import ifcopenshell
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import ifcopenshell.api.pset
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import ifcopenshell.api.root
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import ifcopenshell.api.unit
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import pytest
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import bonsai.bim.prop
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import bonsai.tool as tool
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from test.bim.bootstrap import NewFile
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@@ -77,3 +79,154 @@ class TestGetDisplayName(NewFile):
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assert metadata.unit_symbol == ""
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assert metadata.display_name == "Foo"
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def test_resolves_a_unit_explicitly_attached_to_a_generic_numeric_value(self):
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# A generic IfcReal has no unit semantics per its own declared type, but a property
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# set may still explicitly attach a real Unit to a specific instance to convey the
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# dimension the spec's generic typing doesn't. That explicit Unit is real, deliberate
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# data (not incidental/stray), so it should resolve normally.
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
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element = ifc.createIfcWall()
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prop = ifc.createIfcPropertySingleValue(Name="Foo", NominalValue=ifc.createIfcReal(150.0), Unit=length_mm)
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metadata = import_single_property(ifc, element, prop)
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assert metadata.unit_symbol == "mm"
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assert metadata.display_name == "Foo, mm"
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class TestGetAttributeUnitEnumItems(NewFile):
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def test_returns_default_plus_one_per_candidate_for_a_measurable_type(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
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ifcopenshell.api.unit.assign_unit(ifc, units=[length_mm])
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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element = ifc.createIfcWall()
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prop = ifc.createIfcPropertySingleValue(Name="Foo", NominalValue=ifc.createIfcLengthMeasure(2.5))
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metadata = import_single_property(ifc, element, prop)
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items = bonsai.bim.prop.get_attribute_unit_enum_items(metadata, bpy.context)
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identifiers = [i[0] for i in items]
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assert identifiers[0] == "0"
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assert str(length_mm.id()) in identifiers
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assert str(length_m.id()) in identifiers
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assert len(items) == 3 # Default + mm + m
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def test_returns_just_default_for_non_measurable_types(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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element = ifc.createIfcWall()
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prop = ifc.createIfcPropertySingleValue(Name="Foo", NominalValue=ifc.createIfcText("Bar"))
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metadata = import_single_property(ifc, element, prop)
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items = bonsai.bim.prop.get_attribute_unit_enum_items(metadata, bpy.context)
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assert [i[0] for i in items] == ["0"]
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class TestUpdateAttributeUnitId(NewFile):
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def test_syncs_unit_id_and_converts_float_value_when_unit_id_enum_changes(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
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ifcopenshell.api.unit.assign_unit(ifc, units=[length_mm])
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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element = ifc.createIfcWall()
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prop = ifc.createIfcPropertySingleValue(Name="Foo", NominalValue=ifc.createIfcLengthMeasure(2500.0))
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metadata = import_single_property(ifc, element, prop)
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assert metadata.unit_id == 0
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assert metadata.float_value == 2500.0
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metadata.unit_id_enum = str(length_m.id())
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assert metadata.unit_id == length_m.id()
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assert metadata.float_value == pytest.approx(2.5) # converted, not just relabeled
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class TestImportPsetFromExistingWithAGenericNumericValueAndAnExplicitUnit(NewFile):
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def test_run(self):
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# Regression test: some property set specifications declare a property as a generic
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# IfcReal rather than a proper measure class, relying on an explicit Unit attribute
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# alone to convey the dimension. get_property_unit() already handled this fine for
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# display (it checks prop.Unit before looking at NominalValue's type at all), but
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# get_special_type_for_prop() only looked at NominalValue's class ending in "Measure"
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# -- so special_type came back "", the picker never appeared, and the real Unit
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# override never got seeded into unit_id even though it was legitimately set.
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
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element = ifc.createIfcWall()
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prop = ifc.createIfcPropertySingleValue(
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Name="Foo", NominalValue=ifc.createIfcReal(150.0), Unit=length_mm
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)
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metadata = import_single_property(ifc, element, prop)
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assert metadata.special_type == "LENGTH"
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assert tool.Pset.is_measurable_special_type(metadata.special_type)
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assert metadata.unit_symbol == "mm"
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assert metadata.unit_id == length_mm.id()
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assert metadata.unit_id_enum == str(length_mm.id())
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items = bonsai.bim.prop.get_attribute_unit_enum_items(metadata, bpy.context)
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assert str(length_mm.id()) in [i[0] for i in items]
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class TestImportPsetFromExistingWithAStrayUnitOnANonMeasureProperty(NewFile):
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def test_run(self):
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# Regression test: some real-world exporters set a Unit on a property whose
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# NominalValue isn't actually a measure (e.g. a text classification), which used
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# to crash import_pset_from_existing with "enum '<id>' not found in ('0')" -- unit_id
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# was seeded from prop.Unit unconditionally, before the special_type gate that decides
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# whether Unit is even meaningful for this property.
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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element = ifc.createIfcWall()
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prop = ifc.createIfcPropertySingleValue(
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Name="Foo", NominalValue=ifc.createIfcLabel("Bar"), Unit=length_m
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)
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metadata = import_single_property(ifc, element, prop) # must not raise
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assert metadata.special_type == ""
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assert metadata.unit_id == 0
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assert metadata.unit_id_enum == "0"
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class TestGetAttributeUnitEnumItemsWithAMismatchedUnit(NewFile):
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def test_own_unit_is_always_representable_even_if_not_a_normal_candidate(self):
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# Regression test: a property's own Unit might not satisfy
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# get_candidate_units_for_special_type's matching (e.g. mismatched UnitType in messy
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# real-world data). Seeding must never crash trying to select it, and it should still
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# show up in the picker so the user can see/change it.
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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# A LENGTHUNIT attached to a PRESSURE-typed property -- a real mismatch, not a candidate
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# get_candidate_units_for_special_type("PRESSURE", ...) would ever return.
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mismatched_unit = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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element = ifc.createIfcWall()
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prop = ifc.createIfcPropertySingleValue(
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Name="Foo", NominalValue=ifc.createIfcPressureMeasure(5.0), Unit=mismatched_unit
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)
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metadata = import_single_property(ifc, element, prop) # must not raise
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assert metadata.special_type == "PRESSURE"
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assert metadata.unit_id == mismatched_unit.id()
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assert metadata.unit_id_enum == str(mismatched_unit.id())
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items = bonsai.bim.prop.get_attribute_unit_enum_items(metadata, bpy.context)
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assert str(mismatched_unit.id()) in [i[0] for i in items]
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@@ -22,6 +22,7 @@ import ifcopenshell.api
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import ifcopenshell.api.pset
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import ifcopenshell.api.root
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import ifcopenshell.api.unit
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import pytest
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import bonsai.core.tool
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import bonsai.tool as tool
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@@ -131,3 +132,263 @@ class TestImportingATemplatedQuantityRespectsItsOwnUnitOverride(NewFile):
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metadata = blender_props.properties["Foo"].metadata
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assert metadata.unit_symbol == "mm" # the quantity's own override, not the project default "m"
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assert metadata.float_value == 2500.0 # raw stored value, not rescaled
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class TestIsMeasurableSpecialType(NewFile):
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def test_run(self):
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for special_type in ("", "DATE", "DATETIME", "LOGICAL", "URI", "DURATION"):
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assert subject.is_measurable_special_type(special_type) is False
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assert subject.is_measurable_special_type("LENGTH") is True
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assert subject.is_measurable_special_type("PRESSURE") is True
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class TestGetCandidateUnitsForSpecialType(NewFile):
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def test_returns_candidates_matching_the_special_type(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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ifcopenshell.api.unit.add_si_unit(ifc, unit_type="AREAUNIT")
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assert set(subject.get_candidate_units_for_special_type("LENGTH", ifc)) == {length_mm, length_m}
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def test_gating_returns_empty_for_non_measurable_special_types(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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assert subject.get_candidate_units_for_special_type("", ifc) == []
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assert subject.get_candidate_units_for_special_type("URI", ifc) == []
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class TestResolveEffectiveUnit(NewFile):
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def test_own_override_takes_precedence_over_project_default(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
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ifcopenshell.api.unit.assign_unit(ifc, units=[length_mm])
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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assert subject.resolve_effective_unit("LENGTH", length_m.id(), ifc) == length_m
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def test_falls_back_to_project_default_when_unit_id_is_zero(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
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ifcopenshell.api.unit.assign_unit(ifc, units=[length_mm])
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assert subject.resolve_effective_unit("LENGTH", 0, ifc) == length_mm
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class TestConvertAttributeUnit(NewFile):
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def _new_metadata(self, ifc: ifcopenshell.file):
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element = ifc.createIfcWall()
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obj = bpy.data.objects.new("Wall", None)
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tool.Ifc.link(element, obj)
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props = obj.PsetProperties
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new_prop = props.properties.add()
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new_prop.name = "Foo"
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return new_prop.metadata
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def test_converts_value_between_two_explicit_units(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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metadata = self._new_metadata(ifc)
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metadata.special_type = "LENGTH"
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metadata.unit_id = length_mm.id()
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metadata.float_value = 2500.0
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subject.convert_attribute_unit(metadata, length_m.id(), ifc)
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assert metadata.float_value == pytest.approx(2.5)
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def test_converts_value_when_switching_to_and_from_the_project_default(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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ifcopenshell.api.unit.assign_unit(ifc, units=[length_m])
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length_ft = ifcopenshell.api.unit.add_conversion_based_unit(ifc, name="foot")
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metadata = self._new_metadata(ifc)
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metadata.special_type = "LENGTH"
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metadata.unit_id = length_ft.id()
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metadata.float_value = 10.0 # 10 ft
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subject.convert_attribute_unit(metadata, 0, ifc) # 0 = switch to project default (m)
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assert metadata.float_value == pytest.approx(3.048)
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def test_noop_when_old_and_new_resolve_to_the_same_unit(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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ifcopenshell.api.unit.assign_unit(ifc, units=[length_m])
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metadata = self._new_metadata(ifc)
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metadata.special_type = "LENGTH"
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metadata.unit_id = 0 # already resolves to length_m (the project default)
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metadata.float_value = 5.0
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subject.convert_attribute_unit(metadata, length_m.id(), ifc)
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assert metadata.float_value == 5.0
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def test_noop_for_a_non_measurable_special_type(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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metadata = self._new_metadata(ifc)
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metadata.special_type = ""
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metadata.unit_id = 0
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metadata.float_value = 5.0
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subject.convert_attribute_unit(metadata, length_m.id(), ifc)
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assert metadata.float_value == 5.0
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def _build_wrapped_properties_from_ui(blender_props) -> dict:
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"""Mirrors EditPset._execute()'s properties-building loop (operator.py)."""
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properties = {}
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for entry in blender_props.properties:
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metadata = entry.metadata
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value = metadata.get_value()
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if value is not None and subject.is_measurable_special_type(metadata.special_type):
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unit = tool.Ifc.get().by_id(metadata.unit_id) if metadata.unit_id else None
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value = {"NominalValue": value, "Unit": unit}
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properties[metadata.name] = value
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return properties
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class TestEditPsetWithUnitOverridePicker(NewFile):
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def test_picking_a_different_unit_converts_the_displayed_value_and_writes_it_back(self):
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ifc = ifcopenshell.file()
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tool.Ifc.set(ifc)
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ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
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length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
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ifcopenshell.api.unit.assign_unit(ifc, units=[length_mm])
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length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
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element = ifc.createIfcWall()
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pset = ifcopenshell.api.pset.add_pset(ifc, product=element, name="Pset_Test")
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prop = ifc.createIfcPropertySingleValue(Name="Foo", NominalValue=ifc.createIfcLengthMeasure(2500.0))
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pset.HasProperties = [prop]
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obj = bpy.data.objects.new("Wall", None)
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tool.Ifc.link(element, obj)
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blender_props = obj.PsetProperties
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subject.import_pset_from_existing(pset, blender_props, None)
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metadata = blender_props.properties["Foo"].metadata
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assert metadata.unit_id == 0
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assert metadata.float_value == 2500.0
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# Simulate the user picking "m" in the unit picker dropdown.
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metadata.unit_id_enum = str(length_m.id())
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assert metadata.float_value == pytest.approx(2.5) # converted live, not just relabeled
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assert metadata.unit_id == length_m.id()
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properties = _build_wrapped_properties_from_ui(blender_props)
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ifcopenshell.api.pset.edit_pset(ifc, pset=pset, properties=properties)
|
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|
||||
assert prop.NominalValue.wrappedValue == pytest.approx(2.5)
|
||||
assert prop.Unit == length_m
|
||||
|
||||
def test_picking_default_after_an_override_converts_back_and_clears_the_unit(self):
|
||||
ifc = ifcopenshell.file()
|
||||
tool.Ifc.set(ifc)
|
||||
ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
|
||||
length_mm = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT", prefix="MILLI")
|
||||
ifcopenshell.api.unit.assign_unit(ifc, units=[length_mm])
|
||||
length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
|
||||
|
||||
element = ifc.createIfcWall()
|
||||
pset = ifcopenshell.api.pset.add_pset(ifc, product=element, name="Pset_Test")
|
||||
prop = ifc.createIfcPropertySingleValue(
|
||||
Name="Foo", NominalValue=ifc.createIfcLengthMeasure(2.5), Unit=length_m
|
||||
)
|
||||
pset.HasProperties = [prop]
|
||||
|
||||
obj = bpy.data.objects.new("Wall", None)
|
||||
tool.Ifc.link(element, obj)
|
||||
blender_props = obj.PsetProperties
|
||||
subject.import_pset_from_existing(pset, blender_props, None)
|
||||
|
||||
metadata = blender_props.properties["Foo"].metadata
|
||||
assert metadata.unit_id == length_m.id()
|
||||
assert metadata.float_value == 2.5
|
||||
|
||||
# Simulate picking "Default" (mm).
|
||||
metadata.unit_id_enum = "0"
|
||||
assert metadata.float_value == pytest.approx(2500.0)
|
||||
assert metadata.unit_id == 0
|
||||
|
||||
properties = _build_wrapped_properties_from_ui(blender_props)
|
||||
ifcopenshell.api.pset.edit_pset(ifc, pset=pset, properties=properties)
|
||||
|
||||
assert prop.Unit is None
|
||||
assert prop.NominalValue.wrappedValue == pytest.approx(2500.0)
|
||||
|
||||
def test_editing_an_unrelated_sibling_property_does_not_disturb_this_ones_override(self):
|
||||
ifc = ifcopenshell.file()
|
||||
tool.Ifc.set(ifc)
|
||||
ifcopenshell.api.root.create_entity(ifc, ifc_class="IfcProject")
|
||||
length_m = ifcopenshell.api.unit.add_si_unit(ifc, unit_type="LENGTHUNIT")
|
||||
ifcopenshell.api.unit.assign_unit(ifc, units=[length_m])
|
||||
length_ft = ifcopenshell.api.unit.add_conversion_based_unit(ifc, name="foot")
|
||||
|
||||
element = ifc.createIfcWall()
|
||||
pset = ifcopenshell.api.pset.add_pset(ifc, product=element, name="Pset_Test")
|
||||
overridden_prop = ifc.createIfcPropertySingleValue(
|
||||
Name="Foo", NominalValue=ifc.createIfcLengthMeasure(10.0), Unit=length_ft
|
||||
)
|
||||
untouched_prop = ifc.createIfcPropertySingleValue(Name="Bar", NominalValue=ifc.createIfcLengthMeasure(3.0))
|
||||
pset.HasProperties = [overridden_prop, untouched_prop]
|
||||
|
||||
obj = bpy.data.objects.new("Wall", None)
|
||||
tool.Ifc.link(element, obj)
|
||||
blender_props = obj.PsetProperties
|
||||
subject.import_pset_from_existing(pset, blender_props, None)
|
||||
|
||||
# Edit only "Bar", never touching "Foo"'s unit dropdown.
|
||||
blender_props.properties["Bar"].metadata.float_value = 4.0
|
||||
|
||||
properties = _build_wrapped_properties_from_ui(blender_props)
|
||||
ifcopenshell.api.pset.edit_pset(ifc, pset=pset, properties=properties)
|
||||
|
||||
assert overridden_prop.Unit == length_ft # untouched override survives
|
||||
assert overridden_prop.NominalValue.wrappedValue == 10.0
|
||||
assert untouched_prop.NominalValue.wrappedValue == 4.0
|
||||
|
||||
|
||||
class TestEditQtoRoundingLoopPreservesUnitWrappedValues(NewFile):
|
||||
def test_run(self):
|
||||
# Regression test for EditPset._execute()'s qto post-processing loop: it must reach
|
||||
# into {"Unit": ..., "NominalValue": ...}-wrapped values to round them, rather than
|
||||
# treating the whole dict as a bare float/int (which would zero it out).
|
||||
properties = {
|
||||
"Foo": {"NominalValue": 2.123456, "Unit": None},
|
||||
"Bar": 3,
|
||||
}
|
||||
for key, value in properties.items():
|
||||
if value is None:
|
||||
continue
|
||||
is_wrapped = isinstance(value, dict) and "Unit" in value
|
||||
raw = value["NominalValue"] if is_wrapped else value
|
||||
if raw is None:
|
||||
continue
|
||||
if isinstance(raw, float):
|
||||
raw = round(raw, 4)
|
||||
elif not isinstance(raw, int):
|
||||
raw = 0
|
||||
if is_wrapped:
|
||||
value["NominalValue"] = raw
|
||||
else:
|
||||
properties[key] = raw
|
||||
assert properties["Foo"]["NominalValue"] == 2.1235
|
||||
assert properties["Foo"]["Unit"] is None
|
||||
assert properties["Bar"] == 3
|
||||
|
||||
Reference in New Issue
Block a user