chore: import upstream snapshot with attribution

tools/Polygraphy/polygraphy/mod/util.py

@@ -0,0 +1,41 @@
+#
+# SPDX-FileCopyrightText: Copyright (c) 1993-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+#
+# 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.
+#
+
+
+def version(version_str):
+    def process_version_part(num):
+        suffix = None
+        if "+" in num:
+            num, suffix = num.split("+")
+
+        try:
+            num = int(num)
+        except ValueError:
+            VERSION_SUFFIXES = ["a", "b", "rc", "post", "dev"]
+            # One version part can only contain one of the above suffixes
+            for version_suffix in VERSION_SUFFIXES:
+                if version_suffix in num:
+                    num = num.partition(version_suffix)
+                    break
+
+        return [num, suffix] if suffix is not None else [num]
+
+    ver_list = []
+    for num in version_str.split("."):
+        ver_list.extend(process_version_part(num))
+
+    return tuple(ver_list)