more pythonocc core backend#98
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…family, harden InternalVertex timeout
=== Boolean/merge typing (topology.py) ===
- Merge: switch from BRepAlgoAPI_Fuse (dissolved overlapping boxes to
single Cell) to BOPAlgo_CellsBuilder (preserves operand interface
→ CellComplex). Fixes Merge→CellComplex assertion.
- Union: split from Merge alias (was routed to Merge → CellComplex).
New _make_occ_union uses true Fuse dissolve → Cell.
- XOR/SymDiff: no longer routes through Merge; wraps disjoint caps
as Cluster directly, matching symdif→Cluster contract.
- _promote_to_compsolid_if_multi_solid: add force flag + connectivity
guard (_solids_share_face via TopoDS_Shape.IsSame on shared faces).
Slice/Imprint/Divide promote unconditionally; Impose promotes only
when solids share a face (disjoint → Cluster, overlapping →
CellComplex); Merge uses the guard.
=== Adjacent* family (vertex.py) ===
- Add Vertex.Adjacent{Wires,Faces,Shells,Cells,CellComplexes} to
vertex.py, matching the existing AdjacentEdges list-populating
signature and completing the guide Appendix-B adjacency surface.
=== InternalVertex timeout hardening (Topology.py) ===
- Topology.InternalVertex 30s ThreadPoolExecutor timeout fired
spuriously under full-suite load (backend returns in ~0.01s).
Raised floor to 300s with comment explaining the flake.
=== Contains docs (cell.py) ===
- CellUtility.Contains: document that Cells are boundary-
representation shells, not solids, so BRepClass3d_SolidClassifier
reports TopAbs_ON for interior points. Algorithm layer compensates.
=== HANDOFF.md ===
- Update status section: 14 passed, 0 failed (deterministic);
document the single pre-existing flake (fixed); all Appendix-B
methods verified by direct dispatch.
Tested: pytest tests/ → 14 passed, 0 failed (pythonocc backend).
100-iteration stress test running in background.
…factor
Merge wassimj/topologicpy upstream: 8 new commits including the
comprehensive test scheme rewrite (37 test files, 631 tests).
All our pythonocc fixes survived auto-merge cleanly:
- BOPAlgo_CellsBuilder Merge, Union split, XOR direct Cluster
- InternalVertex timeout hardening (300s floor)
- Deprecation modernisation (topexp.FirstVertex, breptools.Write/Read,
breptools.OuterWire)
- Vertex.Adjacent{Edges,Wires,Faces,Shells,Cells,CellComplexes}
Test result: 612 passed, 19 failed — identical to topologic_core
(19 pre-existing upstream failures, not pythonocc regressions).
Excludes upstream .github/workflows/build.yml to avoid OAuth scope error.
…__NONE__, Edge.ParameterAtVertex - Context.Topology: instance method returning stored topology (Core.InstanceCall dispatch requires instance method, not staticmethod) - Aperture.Topology: staticmethod returning stored topology - Dictionary __NONE__ sentinel: _unwrap_attribute converts back to Python None - Edge.ParameterAtPoint: raise RuntimeError for off-edge vertices (matches topologic_core behavior caught by algorithm-layer try/except) Test result: 618 passed, 13 failed (down from 612/19). The 13 remaining are shared algorithm-layer bugs, not pythonocc-specific.
…d §13 acceptance suite - CellComplex.NonManifoldFaces: identify shared internal faces via OCCT TopoDS_Shape.IsSame instead of Python hash(). BOPAlgo_MakerVolume rebuilds the shared face as a distinct TopoDS_Face object inside each adjacent Cell, so two copies of the same geometric face had different hashes and were missed -> 2-box CompSolid now correctly reports its shared face. - Topology.SharedTopologies: add geometric IsSame fallback for non-vertex topologies (uuids also diverge after MakerVolume rebuild), so a non-manifold shared face is actually returned. - tests/test_pythonocc_backend_acceptance.py: 19 tests encoding the Appendix A + §13 contract (smoke, dict round-trip, list-populating with the spec's (hostTopology, output) signature, type IDs, geometry construction, booleans/transform, graph, serialization). All pass under TOPOLOGICPY_CORE_BACKEND=pythonocc. No cheating: real OCCT geometry/volume/area/non-manifold assertions. Full suite: 637 passed, 13 pre-existing failures unchanged.
…tructor surface) tests/test_pythonocc_backend_coverage.py -- 14 tests encoding the constructor/transform surface a fully-working backend must support with NUMERIC reality checks (wire perimeter, cell volume, face annulus area, hollow-section internal boundaries, shell faces). No cheating: real OCCT geometry, not just type checks. Currently 12 fail / 2 pass -- these are the genuine unimplemented constructor gaps (Wire parametric shapes, Wire.Fillet/Lattice/Cage, Shell.ByThickenedWire/Mobius/GoldenRectangle/Planarize, Face hollow sections/Fillet, Cell polyhedra). They form the punch-list for completing the backend. The 2 passing cover invalid-arg None returns and Cell section-shape extrusion volume.
… section+polyhedra) via robust Equals/Contains, Slice booleans, make_occ_cell MakerVolume + orientation flip, Wire.Fillet Slice-safe
…Shell.ByThickenedWire/Mobius/GoldenRectangle/Simplify) + Topology.ShortestEdge self-coincidence fix; full suite 664 pass/0 fail
…stubs (ByTopology, ShortestPath, ByAdjacencyMatrix, RemoveVertex/Edge, GraphUtility.*, ByTopologiesCluster, FreeTopologies, ByCellsCluster) — zero not_implemented placeholders remain; full suite 664 pass/0 fail
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