chore: import upstream snapshot with attribution

python/paddle/_typing/shape.py

@@ -0,0 +1,42 @@
+# Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
+#
+# 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 __future__ import annotations
+
+from collections.abc import Sequence
+from typing import TYPE_CHECKING, TypeAlias, Union
+
+if TYPE_CHECKING:
+    from .. import Tensor
+
+_DynamicShapeLike: TypeAlias = Union[
+    Sequence[Union[int, "Tensor", None]],
+    "Tensor",
+]
+
+
+_StaticShapeLike: TypeAlias = Union[
+    Sequence[int],
+    "Tensor",
+]
+
+ShapeLike: TypeAlias = _DynamicShapeLike | _StaticShapeLike
+
+# for size parameters, eg, kernel_size, stride ...
+Size1: TypeAlias = int | tuple[int] | list[int]
+Size2: TypeAlias = int | tuple[int, int] | list[int]
+Size3: TypeAlias = int | tuple[int, int, int] | list[int]
+Size4: TypeAlias = int | tuple[int, int, int, int] | list[int]
+Size5: TypeAlias = int | tuple[int, int, int, int, int] | list[int]
+Size6: TypeAlias = int | tuple[int, int, int, int, int, int] | list[int]
+SizeN: TypeAlias = int | tuple[int, ...] | list[int]