Adding guards for tests and dependencies versions

Author: ktsitsi

tests/integration/converters/test_ome_zarr.py

@@ -1,4 +1,5 @@
 import json
+import sys
 
 import numpy as np
 import PIL.Image
@@ -14,6 +15,15 @@
 from tiledb.bioimg.openslide import TileDBOpenSlide
 from tiledb.filter import WebpFilter
 
+try:
+    from ome_zarr.format import FormatV05
+
+    HAS_FORMAT_V05 = True
+except ImportError:
+    FormatV05 = None
+
+
+REQUIRED_PYTHON_v3 = (3, 12)
 schemas = (get_schema(2220, 2967), get_schema(387, 463), get_schema(1280, 431))
 
 
@@ -165,6 +175,12 @@ def test_ome_zarr_converter_rountrip_v2(
             np.testing.assert_array_equal(input_array, output_array)
 
 
+# Condition to check if the current Python version is less than the required version
+# The test is skipped if the condition is True
+@pytest.mark.skipif(
+    sys.version_info < REQUIRED_PYTHON_v3,
+    reason=f"This test requires Python version {REQUIRED_PYTHON_v3[0]}.{REQUIRED_PYTHON_v3[1]} or higher.",
+)
 @pytest.mark.parametrize("series_idx", [0, 1, 2])
 @pytest.mark.parametrize("preserve_axes", [False, True])
 @pytest.mark.parametrize("chunked,max_workers", [(False, 0), (True, 0), (True, 4)])

tiledb/bioimg/converters/ome_zarr.py

@@ -43,6 +43,17 @@
     )
     raise err
 
+try:
+    from ome_zarr.format import FormatV05
+except ImportError:
+    warnings.warn(
+        "FormatV05 not available. Zarr v3 format requires ome-zarr>=0.9.0. "
+        "Falling back to FormatV04 (Zarr v2). "
+        "To use Zarr v3, upgrade: pip install --upgrade ome-zarr",
+        UserWarning,
+        stacklevel=2,
+    )
+
 from tiledb import Config, Ctx
 from tiledb.filter import WebpFilter
 from tiledb.highlevel import _get_ctx