obstore-based Store implementation

.pre-commit-config.yaml

@@ -8,9 +8,9 @@ repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: v0.9.4
     hooks:
-    - id: ruff
-      args: ["--fix", "--show-fixes"]
-    - id: ruff-format
+      - id: ruff
+        args: ["--fix", "--show-fixes"]
+      - id: ruff-format
   - repo: https://github.com/codespell-project/codespell
     rev: v2.4.1
     hooks:
@@ -34,6 +34,7 @@ repos:
           - numpy==2.1  # until https://github.com/numpy/numpy/issues/28034 is resolved
           - typing_extensions
           - universal-pathlib
+          - obstore==0.3.0-beta.8
           # Tests
           - pytest
   - repo: https://github.com/scientific-python/cookie

pyproject.toml

@@ -64,6 +64,7 @@ keywords = ["Python", "compressed", "ndimensional-arrays", "zarr"]
 # User extras
 remote = [
     "fsspec>=2023.10.0",
+    "obstore==0.4.0b4",
 ]
 gpu = [
     "cupy-cuda12x",
@@ -211,6 +212,7 @@ dependencies = [
     'universal_pathlib @ git+https://github.com/fsspec/universal_pathlib',
     'typing_extensions @ git+https://github.com/python/typing_extensions',
     'donfig @ git+https://github.com/pytroll/donfig',
+    "obstore @ git+https://github.com/developmentseed/obstore@main#subdirectory=obstore",
     # test deps
     'hypothesis',
     'pytest',

src/zarr/storage/__init__.py

@@ -8,6 +8,7 @@
 from zarr.storage._local import LocalStore
 from zarr.storage._logging import LoggingStore
 from zarr.storage._memory import GpuMemoryStore, MemoryStore
+from zarr.storage._object import ObjectStore
 from zarr.storage._wrapper import WrapperStore
 from zarr.storage._zip import ZipStore
 
@@ -17,6 +18,7 @@
     "LocalStore",
     "LoggingStore",
     "MemoryStore",
+    "ObjectStore",
     "StoreLike",
     "StorePath",
     "WrapperStore",