Backport PR #1040: Fix for awkward 2.3 (#1069)

Co-authored-by: Isaac Virshup <[email protected]>

anndata/_core/views.py

@@ -276,7 +276,7 @@ def __copy__(self) -> AwkArray:
             array = self
             # makes a shallow copy and removes the reference to the original AnnData object
             array = ak.with_parameter(self, _PARAM_NAME, None)
-            array = ak.with_parameter(array, "__array__", None)
+            array = ak.with_parameter(array, "__list__", None)
             return array
 
     @as_view.register(AwkArray)
@@ -294,7 +294,7 @@ def as_view_awkarray(array, view_args):
                 "Please open an issue in the AnnData repo and describe your use-case."
             )
         array = ak.with_parameter(array, _PARAM_NAME, (parent_key, attrname, keys))
-        array = ak.with_parameter(array, "__array__", "AwkwardArrayView")
+        array = ak.with_parameter(array, "__list__", "AwkwardArrayView")
         return array
 
     ak.behavior["AwkwardArrayView"] = AwkwardArrayView

anndata/tests/test_awkward.py

@@ -147,8 +147,20 @@ def test_view(key):
 def test_view_of_awkward_array_with_custom_behavior():
     """Currently can't create view of arrays with custom __name__ (in this case "string")
     See https://github.com/scverse/anndata/pull/647#discussion_r963494798_"""
+
+    from uuid import uuid4
+
+    BEHAVIOUR_ID = str(uuid4())
+
+    class ReversibleArray(ak.Array):
+        def reversed(self):
+            return self[..., ::-1]
+
+    ak.behavior[BEHAVIOUR_ID] = ReversibleArray
     adata = gen_adata((3, 3), varm_types=(), obsm_types=(), layers_types=())
-    adata.obsm["awk_string"] = ak.Array(["AAA", "BBB", "CCC"])
+    adata.obsm["awk_string"] = ak.with_parameter(
+        ak.Array(["AAA", "BBB", "CCC"]), "__list__", BEHAVIOUR_ID
+    )
     adata_view = adata[:2]
 
     with pytest.raises(NotImplementedError):

docs/release-notes/0.9.2.md

@@ -3,6 +3,7 @@
 ```{rubric} Bugfix
 ```
 
+* Views of `awkward.Array`s now work with `awkward>=2.3` {pr}`1040` {user}`ivirshup`
 * Fix ufuncs of views like `adata.X[:10].cov(axis=0)` returning views {pr}`1043` {user}`flying-sheep`
 * Fix instantiating AnnData where `.X` is a `DataFrame` with an integer valued index  {pr}`1002` {user}`flying-sheep`
 * Fix {func}`~anndata.read_zarr` when used on `zarr.Group` {pr}`1057` {user}`ivirshup`

pyproject.toml

@@ -87,7 +87,7 @@ test = [
     "boltons",
     "scanpy",
     "dask[array]",
-    "awkward>=2.0.8,<2.3",
+    "awkward>=2.3",
     "pytest_memray",
 ]