Remove old v3 (#1742)

* chore: add deprecation warnings to v3 classes / functions

* Resolve Mypy erorrs in `v3` branch (#1692)

* refactor(v3): Using appropriate types

* fix(v3): Typing fixes + minor code fixes

* fix(v3): _sync_iter works with coroutines

* docs(v3/store/core.py): clearer comment

* fix(metadata.py): Use Any outside TYPE_CHECKING for Pydantic

* fix(zarr/v3): correct zarr format + remove unused method

* fix(v3/store/core.py): Potential suggestion on handling str store_like

* refactor(zarr/v3): Add more typing

* ci(.pre-commit-config.yaml): zarr v3 mypy checks turned on in pre-commit

* Specify hatch envs using GitHub actions matrix for v3 tests (#1728)

* Specify v3 hatch envs using GitHub actions matrix

* Update .github/workflows/test-v3.yml

Co-authored-by: Joe Hamman <jhamman1@gmail.com>

* Update .github/workflows/test-v3.yml

Co-authored-by: Joe Hamman <jhamman1@gmail.com>

* test on 3.12 too

* no 3.12

---------

Co-authored-by: Joe Hamman <jhamman1@gmail.com>
Co-authored-by: Joe Hamman <joe@earthmover.io>

* black -> ruff format + cleanup (#1639)

* black -> ruff + cleanup

* format

* Preserve git blame

* pre-commit fix

* Remove outdated dev install docs from installation.rst and link to contributing.rst (#1643)

Co-authored-by: Joe Hamman <joe@earthmover.io>

* chore: remove old v3 implementation

* chore: remove more version-conditional logic

* chore: remove v3_storage_transformers.py again

---------

Co-authored-by: Daniel Jahn (dahn) <dahnjahn@gmail.com>
Co-authored-by: Max Jones <14077947+maxrjones@users.noreply.github.com>
Co-authored-by: Joe Hamman <jhamman1@gmail.com>
Co-authored-by: Joe Hamman <joe@earthmover.io>
Co-authored-by: Saransh Chopra <saransh0701@gmail.com>
Co-authored-by: Alden Keefe Sampson <aldenkeefesampson@gmail.com>

src/zarr/__init__.py

@@ -31,7 +31,6 @@
 from zarr.errors import CopyError, MetadataError
 from zarr.hierarchy import Group, group, open_group
 from zarr.n5 import N5Store, N5FSStore
-from zarr._storage.store import v3_api_available
 from zarr.storage import (
     ABSStore,
     DBMStore,
@@ -53,18 +52,3 @@
 
 # in case setuptools scm screw up and find version to be 0.0.0
 assert not __version__.startswith("0.0.0")
-
-if v3_api_available:
-    from zarr._storage.v3 import (
-        ABSStoreV3,
-        DBMStoreV3,
-        KVStoreV3,
-        DirectoryStoreV3,
-        LMDBStoreV3,
-        LRUStoreCacheV3,
-        MemoryStoreV3,
-        MongoDBStoreV3,
-        RedisStoreV3,
-        SQLiteStoreV3,
-        ZipStoreV3,
-    )

src/zarr/_storage/absstore.py

@@ -3,7 +3,7 @@
 import warnings
 from numcodecs.compat import ensure_bytes
 from zarr.util import normalize_storage_path
-from zarr._storage.store import _get_metadata_suffix, data_root, meta_root, Store, StoreV3
+from zarr._storage.store import Store
 
 __doctest_requires__ = {
     ("ABSStore", "ABSStore.*"): ["azure.storage.blob"],
@@ -222,56 +222,3 @@ def getsize(self, path=None):
 
     def clear(self):
         self.rmdir()
-
-
-class ABSStoreV3(ABSStore, StoreV3):
-    def list(self):
-        return list(self.keys())
-
-    def __eq__(self, other):
-        return (
-            isinstance(other, ABSStoreV3)
-            and self.client == other.client
-            and self.prefix == other.prefix
-        )
-
-    def __setitem__(self, key, value):
-        self._validate_key(key)
-        super().__setitem__(key, value)
-
-    def rmdir(self, path=None):
-        if not path:
-            # Currently allowing clear to delete everything as in v2
-
-            # If we disallow an empty path then we will need to modify
-            # TestABSStoreV3 to have the create_store method use a prefix.
-            ABSStore.rmdir(self, "")
-            return
-
-        meta_dir = meta_root + path
-        meta_dir = meta_dir.rstrip("/")
-        ABSStore.rmdir(self, meta_dir)
-
-        # remove data folder
-        data_dir = data_root + path
-        data_dir = data_dir.rstrip("/")
-        ABSStore.rmdir(self, data_dir)
-
-        # remove metadata files
-        sfx = _get_metadata_suffix(self)
-        array_meta_file = meta_dir + ".array" + sfx
-        if array_meta_file in self:
-            del self[array_meta_file]
-        group_meta_file = meta_dir + ".group" + sfx
-        if group_meta_file in self:
-            del self[group_meta_file]
-
-    # TODO: adapt the v2 getsize method to work for v3
-    #       For now, calling the generic keys-based _getsize
-    def getsize(self, path=None):
-        from zarr.storage import _getsize  # avoid circular import
-
-        return _getsize(self, path)
-
-
-ABSStoreV3.__doc__ = ABSStore.__doc__