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[arrow] add lazy arrow reader

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This commit is contained in:
Jan Petykiewicz 2026-04-20 20:50:31 -07:00
commit c83846afb3
5 changed files with 1237 additions and 16 deletions
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masque/test/test_gdsii_arrow.py
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@ -187,6 +187,18 @@ def test_gdsii_arrow_matches_gdsii_readfile(tmp_path: Path) -> None:
assert _library_summary(canonical_lib) == _library_summary(arrow_lib)
def test_gdsii_arrow_readfile_arrow_returns_native_payload(tmp_path: Path) -> None:
gds_file = tmp_path / 'many_cells_native.gds'
manifest = write_fixture(gds_file, preset='many_cells', scale=0.001)
libarr, info = gdsii_arrow.readfile_arrow(gds_file)
assert info['name'] == manifest.library_name
assert libarr['lib_name'].as_py() == manifest.library_name
assert len(libarr['cells']) == manifest.cells
assert 0 < len(libarr['layers']) <= manifest.layers
def test_gdsii_arrow_reads_small_perf_fixture(tmp_path: Path) -> None:
gds_file = tmp_path / 'many_cells_smoke.gds'
manifest = write_fixture(gds_file, preset='many_cells', scale=0.001)