MAINT: Make like= in Python functions strict

Only allow objects that implement __array_function__

1 files changed, 15 insertions, 5 deletions

diff --git a/numpy/core/_asarray.py b/numpy/core/_asarray.py
index a406308f3..ade53eeaf 100644
--- a/numpy/core/_asarray.py
+++ b/numpy/core/_asarray.py
@@ -5,6 +5,7 @@ Functions in the ``as*array`` family that promote array-likes into arrays.
 """
 from .overrides import (
     array_function_dispatch,
+    array_function_dispatch_like,
     set_array_function_like_doc,
     set_module,
 )
@@ -97,7 +98,9 @@ def asarray(a, dtype=None, order=None, *, like=None):
 
     """
     if like is not None:
-        return _asarray_with_like(a, dtype=dtype, order=order, like=like)
+        return array_function_dispatch_like(
+            _asarray_with_like, a, dtype=dtype, order=order, like=like
+        )
 
     return array(a, dtype, copy=False, order=order)
 
@@ -166,7 +169,9 @@ def asanyarray(a, dtype=None, order=None, *, like=None):
 
     """
     if like is not None:
-        return _asanyarray_with_like(a, dtype=dtype, order=order, like=like)
+        return array_function_dispatch_like(
+            _asanyarray_with_like, a, dtype=dtype, order=order, like=like
+        )
 
     return array(a, dtype, copy=False, order=order, subok=True)
 
@@ -223,7 +228,9 @@ def ascontiguousarray(a, dtype=None, *, like=None):
 
     """
     if like is not None:
-        return _ascontiguousarray_with_like(a, dtype=dtype, like=like)
+        return array_function_dispatch_like(
+            _ascontiguousarray_with_like, a, dtype=dtype, like=like
+        )
 
     return array(a, dtype, copy=False, order='C', ndmin=1)
 
@@ -276,7 +283,9 @@ def asfortranarray(a, dtype=None, *, like=None):
 
     """
     if like is not None:
-        return _asfortranarray_with_like(a, dtype=dtype, like=like)
+        return array_function_dispatch_like(
+            _asfortranarray_with_like, a, dtype=dtype, like=like
+        )
 
     return array(a, dtype, copy=False, order='F', ndmin=1)
 
@@ -363,7 +372,8 @@ def require(a, dtype=None, requirements=None, *, like=None):
 
     """
     if like is not None:
-        return _require_with_like(
+        return array_function_dispatch_like(
+            _require_with_like,
             a,
             dtype=dtype,
             requirements=requirements,