Fix Array.__array__ for numpy 2.1 (#2106)

* Fix Array.__array__ for numpy 2.1

* Add changelog

* Depend on np.array for array coercions

Author: dstansby

docs/release.rst

@@ -24,14 +24,23 @@ Release notes
 2.18.3
 ------
 
+Enhancements
+~~~~~~~~~~~~
+* Added support for creating a copy of data when converting a `zarr.Array`
+  to a numpy array.
+  By :user:`David Stansby <dstansby>`
+
 Maintenance
 ~~~~~~~~~~~
 * Removed support for Python 3.9.
   By :user:`David Stansby <dstansby>`
-  
+
 * Fix a regression when using orthogonal indexing with a scalar.
   By :user:`Deepak Cherian <dcherian>` :issue:`1931`
 
+* Added compatibility with numpy 2.1.
+  By :user:`David Stansby <dstansby>`
+
 
 .. _release_2.18.2:
 

zarr/core.py

@@ -575,11 +575,8 @@ def __eq__(self, other):
             # store comparison
         )
 
-    def __array__(self, *args):
-        a = self[...]
-        if args:
-            a = a.astype(args[0])
-        return a
+    def __array__(self, dtype=None, copy=None):
+        return np.array(self[...], dtype=dtype, copy=copy)
 
     def islice(self, start=None, end=None):
         """