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[consider merging] Bugfix: Python did not support downcasting of PolygonWithProperties to Polygon on Shapes#polygon for example

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Matthias Koefferlein
2026-02-24 21:00:21 +01:00
parent de7ace9295
commit 3af5568663
2 changed files with 24 additions and 3 deletions
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testdata/python/dbShapesTest.py
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@@ -61,6 +61,26 @@ class DBShapesTest(unittest.TestCase):
shapes = top.shapes(l1)
self.assertEqual(sys.getrefcount(shapes), 2)
# Tests the ability to take PolygonWithProperties instead of base class
# for setter
def test_3(self):
shapes = pya.Shapes()
shapes.insert(pya.Polygon(pya.Box(0, 0, 100, 200)))
self.assertEqual(";".join([ str(s) for s in shapes.each() ]), "polygon (0,0;0,200;100,200;100,0)")
pwp = pya.PolygonWithProperties(pya.Polygon(pya.Box(0, 0, 110, 210)))
s0 = [ s for s in shapes.each() ][0]
s0.polygon = pwp
self.assertEqual(";".join([ str(s) for s in shapes.each() ]), "polygon (0,0;0,210;110,210;110,0)")
# with object substitution
s0.polygon = ( pya.Box(0, 0, 120, 220) )
self.assertEqual(";".join([ str(s) for s in shapes.each() ]), "polygon (0,0;0,220;120,220;120,0)")
# with object substitution by constructor inference
s0.polygon = pya.Box(0, 0, 130, 230)
self.assertEqual(";".join([ str(s) for s in shapes.each() ]), "polygon (0,0;0,230;130,230;130,0)")
# run unit tests
if __name__ == '__main__':