Creates uuidutils module

Fixes bug #1070198

Implements UUID processing functions used across projects.

Change-Id: Ife2c972cea727dc7e453008bcd5871607e883d5c

2 files changed, 68 insertions, 0 deletions

diff --git a/openstack/common/uuidutils.py b/openstack/common/uuidutils.py
new file mode 100644
index 0000000..51042a7
--- /dev/null
+++ b/openstack/common/uuidutils.py
@@ -0,0 +1,35 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# 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 is_uuid_like(val):
+    """Returns validation of a value as a UUID.
+
+    For our purposes, a UUID is a canonical form string:
+    aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa
+
+    """
+    try:
+        return str(uuid.UUID(val)) == val
+    except (TypeError, ValueError, AttributeError):
+        return False
diff --git a/tests/unit/test_uuidutils.py b/tests/unit/test_uuidutils.py
new file mode 100644
index 0000000..da66197
--- /dev/null
+++ b/tests/unit/test_uuidutils.py
@@ -0,0 +1,33 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# 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.
+
+import unittest
+import uuid
+
+from openstack.common import uuidutils
+
+
+class UUIDUtilsTest(unittest.TestCase):
+
+    def test_is_uuid_like(self):
+        self.assertTrue(uuidutils.is_uuid_like(str(uuid.uuid4())))
+
+    def test_id_is_uuid_like(self):
+        self.assertFalse(uuidutils.is_uuid_like(1234567))
+
+    def test_name_is_uuid_like(self):
+        self.assertFalse(uuidutils.is_uuid_like('zhongyueluo'))