Add ktx

ktx/external/astc-encoder/Test/testlib/misc.py

@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: Apache-2.0
+# -----------------------------------------------------------------------------
+# Copyright 2020 Arm Limited
+#
+# 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.
+# -----------------------------------------------------------------------------
+"""
+A collection of useful utility functions that are not module specific.
+"""
+
+import os
+
+
+def path_splitall(path):
+    """
+    Utility function to split a relative path into its component pieces.
+
+    Args:
+        path(str): The relative path to split.
+
+    Returns:
+        list(str): An array of path parts.
+    """
+    # Sanity check we have a relative path on Windows
+    assert ":" not in path
+
+    parts = []
+    while path:
+        head, tail = os.path.split(path)
+        path = head
+        parts.insert(0, tail)
+
+    return parts