Move files out of the namespace package

Move the public API out of oslo.utils to oslo_utils. Retain the ability
to import from the old namespace package for backwards compatibility for
this release cycle.

bp/drop-namespace-packages

Change-Id: Ic6dd62097399bf75e3d11b4d8a6400971069c415

1 files changed, 45 insertions, 0 deletions

diff --git a/oslo_utils/uuidutils.py b/oslo_utils/uuidutils.py
new file mode 100644
index 0000000..62b0b5f
--- /dev/null
+++ b/oslo_utils/uuidutils.py
@@ -0,0 +1,45 @@
+# Copyright (c) 2012 Intel Corporation.
+# 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.
+
+"""
+UUID related utilities and helper functions.
+"""
+
+import uuid
+
+
+def generate_uuid():
+    return str(uuid.uuid4())
+
+
+def _format_uuid_string(string):
+    return (string.replace('urn:', '')
+                  .replace('uuid:', '')
+                  .strip('{}')
+                  .replace('-', '')
+                  .lower())
+
+
+def is_uuid_like(val):
+    """Returns validation of a value as a UUID.
+
+    :param val: Value to verify
+    :type val: string
+    :returns: bool
+    """
+    try:
+        return str(uuid.UUID(val)).replace('-', '') == _format_uuid_string(val)
+    except (TypeError, ValueError, AttributeError):
+        return False