Sep 3, 2025 · Sep 2, 2025 · Sep 2, 2025 · Sep 2, 2025
diff --git a/changes/3428.bugfix.rst b/changes/3428.bugfix.rst
 Ensure syntax like ``root['/subgroup']`` works equivalently to ``root['subgroup']`` when using consolidated metadata.
diff --git a/src/zarr/core/group.py b/src/zarr/core/group.py
        assert self.metadata.consolidated_metadata is not None

        # we support nested getitems like group/subgroup/array
        indexers = key.split("/")
        indexers =normalize_path(key).split("/")
        indexers.reverse()
        metadata: ArrayV2Metadata | ArrayV3Metadata | GroupMetadata = self.metadata

diff --git a/tests/test_metadata/test_consolidated.py b/tests/test_metadata/test_consolidated.py
        expected = ["b", "b/c"]
        assert result == expected

    async def test_absolute_path_for_subgroup(self, memory_store: zarr.storage.MemoryStore) -> None:
        root = await zarr.api.asynchronous.create_group(store=memory_store)
        await root.create_group("a/b")
        with pytest.warns(
            ZarrUserWarning,
            match="Consolidated metadata is currently not part in the Zarr format 3 specification.",
        ):
            await zarr.api.asynchronous.consolidate_metadata(memory_store)

        group = await zarr.api.asynchronous.open_group(store=memory_store)
        subgroup = await group.getitem("/a")
        assert isinstance(subgroup, AsyncGroup)
        members = [x async for x in subgroup.keys()]  # noqa: SIM118
        assert members == ["b"]


 @pytest.mark.parametrize("fill_value", [np.nan, np.inf, -np.inf])
 async def test_consolidated_metadata_encodes_special_chars(
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Ensure syntax like ``root['/subgroup']`` works equivalently to ``root['subgroup']`` when using consolidated metadata.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -735,7 +735,7 @@ def _getitem_consolidated(
		assert self.metadata.consolidated_metadata is not None

		# we support nested getitems like group/subgroup/array
		indexers = key.split("/")
		indexers =normalize_path(key).split("/")
		indexers.reverse()
		metadata: ArrayV2Metadata \| ArrayV3Metadata \| GroupMetadata = self.metadata

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -692,6 +692,21 @@ async def test_use_consolidated_for_children_members(
		expected = ["b", "b/c"]
		assert result == expected

		async def test_absolute_path_for_subgroup(self, memory_store: zarr.storage.MemoryStore) -> None:
		root = await zarr.api.asynchronous.create_group(store=memory_store)
		await root.create_group("a/b")
		with pytest.warns(
		ZarrUserWarning,
		match="Consolidated metadata is currently not part in the Zarr format 3 specification.",
		):
		await zarr.api.asynchronous.consolidate_metadata(memory_store)

		group = await zarr.api.asynchronous.open_group(store=memory_store)
		subgroup = await group.getitem("/a")
		assert isinstance(subgroup, AsyncGroup)
		members = [x async for x in subgroup.keys()] # noqa: SIM118
		assert members == ["b"]


		@pytest.mark.parametrize("fill_value", [np.nan, np.inf, -np.inf])
		async def test_consolidated_metadata_encodes_special_chars(
Expand Down