Move to Zarr v3 as default for on disk storage format

pyproject.toml

@@ -28,6 +28,7 @@ dependencies = [
     "rich (>=14.1.0,<15.0.0)",
     "segy (>=0.4.2,<0.5.0)",
     "tqdm (>=4.67.1,<5.0.0)",
+    "universal-pathlib>=0.2.6",
     "xarray>=2025.7.1",
     "zarr (>=3.1.2,<4.0.0)",
 ]

src/mdio/__init__.py

@@ -2,36 +2,16 @@
 
 from importlib import metadata
 
-from mdio.api import MDIOReader
-from mdio.api import MDIOWriter
-from mdio.api.convenience import copy_mdio
-from mdio.api.opener import open_dataset
+from mdio.api.io import open_mdio
+from mdio.api.io import to_mdio
 from mdio.converters import mdio_to_segy
-from mdio.converters import numpy_to_mdio
 from mdio.converters import segy_to_mdio
-from mdio.core.dimension import Dimension
-from mdio.core.factory import MDIOCreateConfig
-from mdio.core.factory import MDIOVariableConfig
-from mdio.core.factory import create_empty
-from mdio.core.factory import create_empty_like
-from mdio.core.grid import Grid
-from mdio.core.storage_location import StorageLocation
 
 __all__ = [
-    "MDIOReader",
-    "MDIOWriter",
-    "copy_mdio",
-    "open_dataset",
+    "open_mdio",
+    "to_mdio",
     "mdio_to_segy",
-    "numpy_to_mdio",
     "segy_to_mdio",
-    "Dimension",
-    "MDIOCreateConfig",
-    "MDIOVariableConfig",
-    "create_empty",
-    "create_empty_like",
-    "Grid",
-    "StorageLocation",
 ]
 
 

src/mdio/api/__init__.py

@@ -1,6 +1 @@
-"""API Module."""
-
-from .accessor import MDIOReader
-from .accessor import MDIOWriter
-
-__all__ = ["MDIOReader", "MDIOWriter"]
+"""Public API."""