Factored out dpt.dtype and dpt.bool, etc. definitions into dedicated file

Author: oleksandr-pavlyk

dpctl/tensor/__init__.py

@@ -21,8 +21,6 @@
 
 """
 
-from numpy import dtype
-
 from dpctl.tensor._copy_utils import asnumpy, astype, copy, from_numpy, to_numpy
 from dpctl.tensor._ctors import (
     arange,
@@ -41,6 +39,23 @@
     zeros,
     zeros_like,
 )
+from dpctl.tensor._data_types import (
+    bool,
+    complex64,
+    complex128,
+    dtype,
+    float16,
+    float32,
+    float64,
+    int8,
+    int16,
+    int32,
+    int64,
+    uint8,
+    uint16,
+    uint32,
+    uint64,
+)
 from dpctl.tensor._device import Device
 from dpctl.tensor._dlpack import from_dlpack
 from dpctl.tensor._manipulation_functions import (
@@ -68,21 +83,6 @@
 from dpctl.tensor._reshape import reshape
 from dpctl.tensor._usmarray import usm_ndarray
 
-bool = dtype("bool")
-int8 = dtype("int8")
-int16 = dtype("int16")
-int32 = dtype("int32")
-int64 = dtype("int64")
-uint8 = dtype("uint8")
-uint16 = dtype("uint16")
-uint32 = dtype("uint32")
-uint64 = dtype("uint64")
-float16 = dtype("float16")
-float32 = dtype("float32")
-float64 = dtype("float64")
-complex64 = dtype("complex64")
-complex128 = dtype("complex128")
-
 __all__ = [
     "Device",
     "usm_ndarray",

dpctl/tensor/_data_types.py

@@ -0,0 +1,50 @@
+#                       Data Parallel Control (dpctl)
+#
+#  Copyright 2020-2023 Intel Corporation
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+from numpy import dtype
+
+bool = dtype("bool")
+int8 = dtype("int8")
+int16 = dtype("int16")
+int32 = dtype("int32")
+int64 = dtype("int64")
+uint8 = dtype("uint8")
+uint16 = dtype("uint16")
+uint32 = dtype("uint32")
+uint64 = dtype("uint64")
+float16 = dtype("float16")
+float32 = dtype("float32")
+float64 = dtype("float64")
+complex64 = dtype("complex64")
+complex128 = dtype("complex128")
+
+__all__ = [
+    "dtype",
+    "bool",
+    "int8",
+    "uint8",
+    "int16",
+    "uint16",
+    "int32",
+    "uint32",
+    "int64",
+    "uint64",
+    "float16",
+    "float32",
+    "float64",
+    "complex64",
+    "complex128",
+]