[Error] Raise errors when using metal sparse (#7113)

Issue: #

### Brief Summary

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

python/taichi/_snode/fields_builder.py

@@ -1,4 +1,3 @@
-import warnings
 from typing import Any, Optional, Sequence, Union
 
 from taichi._lib import core as _ti_core
@@ -76,9 +75,8 @@ def pointer(self, indices: Union[Sequence[_Axis], _Axis],
                 dimensions: Union[Sequence[int], int]):
         """Same as :func:`taichi.lang.snode.SNode.pointer`"""
         if impl.current_cfg().arch == _ti_core.metal:
-            warnings.warn(
-                "Pointer SNode on metal backend is deprecated, and it will be removed in v1.4.0.",
-                DeprecationWarning)
+            raise TaichiRuntimeError(
+                "Pointer SNode on metal backend is deprecated and removed.")
         self._check_not_finalized()
         self.empty = False
         return self.root.pointer(indices, dimensions)
@@ -94,8 +92,7 @@ def dynamic(self,
         """Same as :func:`taichi.lang.snode.SNode.dynamic`"""
         if impl.current_cfg().arch == _ti_core.metal:
             raise TaichiRuntimeError(
-                "Dynamic SNode on metal backend is deprecated and removed in this release."
-            )
+                "Dynamic SNode on metal backend is deprecated and removed.")
         self._check_not_finalized()
         self.empty = False
         return self.root.dynamic(index, dimension, chunk_size)
@@ -104,9 +101,8 @@ def bitmasked(self, indices: Union[Sequence[_Axis], _Axis],
                   dimensions: Union[Sequence[int], int]):
         """Same as :func:`taichi.lang.snode.SNode.bitmasked`"""
         if impl.current_cfg().arch == _ti_core.metal:
-            warnings.warn(
-                "Bitmasked SNode on metal backend is deprecated, and it will be removed in v1.4.0.",
-                DeprecationWarning)
+            raise TaichiRuntimeError(
+                "Bitmasked SNode on metal backend is deprecated and removed.")
         self._check_not_finalized()
         self.empty = False
         return self.root.bitmasked(indices, dimensions)

python/taichi/examples/features/sparse/taichi_bitmasked.py

@@ -2,7 +2,7 @@
 
 import taichi as ti
 
-ti.init(arch=ti.gpu)
+ti.init(arch=ti.cuda)
 
 n = 256
 x = ti.field(ti.f32)

python/taichi/examples/simulation/comet.py

@@ -2,7 +2,7 @@
 
 import taichi as ti
 
-ti.init(arch=[ti.cuda, ti.metal])
+ti.init(arch=ti.cuda)
 
 dim = 3
 N = 1024 * 8

python/taichi/lang/snode.py

@@ -1,8 +1,8 @@
 import numbers
-import warnings
 
 from taichi._lib import core as _ti_core
 from taichi.lang import expr, impl, matrix
+from taichi.lang.exception import TaichiRuntimeError
 from taichi.lang.field import BitpackedFields, Field
 from taichi.lang.util import get_traceback
 
@@ -49,9 +49,8 @@ def pointer(self, axes, dimensions):
             The added :class:`~taichi.lang.SNode` instance.
         """
         if impl.current_cfg().arch == _ti_core.metal:
-            warnings.warn(
-                "Pointer SNode on metal backend is deprecated, and it will be removed in v1.4.0.",
-                DeprecationWarning)
+            raise TaichiRuntimeError(
+                "Pointer SNode on metal backend is deprecated and removed.")
         if isinstance(dimensions, numbers.Number):
             dimensions = [dimensions] * len(axes)
         return SNode(
@@ -80,9 +79,8 @@ def dynamic(self, axis, dimension, chunk_size=None):
             The added :class:`~taichi.lang.SNode` instance.
         """
         if impl.current_cfg().arch == _ti_core.metal:
-            raise TaichiCompilationError(
-                "Dynamic SNode on metal backend is deprecated and removed in this release."
-            )
+            raise TaichiRuntimeError(
+                "Dynamic SNode on metal backend is deprecated and removed.")
         assert len(axis) == 1
         if chunk_size is None:
             chunk_size = dimension
@@ -101,9 +99,8 @@ def bitmasked(self, axes, dimensions):
             The added :class:`~taichi.lang.SNode` instance.
         """
         if impl.current_cfg().arch == _ti_core.metal:
-            warnings.warn(
-                "Bitmasked SNode on metal backend is deprecated, and it will be removed in v1.4.0.",
-                DeprecationWarning)
+            raise TaichiRuntimeError(
+                "Bitmasked SNode on metal backend is deprecated and removed.")
         if isinstance(dimensions, numbers.Number):
             dimensions = [dimensions] * len(axes)
         return SNode(

tests/python/test_deprecation.py

@@ -74,26 +74,22 @@ def test_deprecate_element_shape_ndarray_arg():
                      element_shape=(1, ))
 
 
+# Remove this before v1.5.0
 @test_utils.test(arch=ti.metal)
 def test_deprecate_metal_sparse():
-    with pytest.warns(
-            DeprecationWarning,
-            match=
-            "Pointer SNode on metal backend is deprecated, and it will be removed in v1.4.0."
-    ):
-        a = ti.root.pointer(ti.i, 10)
-    with pytest.warns(
-            DeprecationWarning,
-            match=
-            "Bitmasked SNode on metal backend is deprecated, and it will be removed in v1.4.0."
+    with pytest.raises(
+            ti.TaichiRuntimeError,
+            match="Pointer SNode on metal backend is deprecated and removed."):
+        ti.root.pointer(ti.i, 10)
+    with pytest.raises(
+            ti.TaichiRuntimeError,
+            match="Bitmasked SNode on metal backend is deprecated and removed."
     ):
-        b = a.bitmasked(ti.j, 10)
+        ti.root.bitmasked(ti.j, 10)
 
     with pytest.raises(
             ti.TaichiRuntimeError,
-            match=
-            "Dynamic SNode on metal backend is deprecated and removed in this release."
-    ):
+            match="Dynamic SNode on metal backend is deprecated and removed."):
         ti.root.dynamic(ti.i, 10)
 
 

tests/python/test_matrix.py

@@ -442,7 +442,7 @@ def test_matrix_field_dynamic_index_different_path_length():
     assert v._get_dynamic_index_stride() is None
 
 
-@test_utils.test()
+@test_utils.test(require=ti.extension.sparse, exclude=[ti.metal])
 def test_matrix_field_dynamic_index_not_pure_dense():
     v = ti.Vector.field(2, ti.i32)
     x = v.get_scalar_field(0)