Merge "Clean up sqlalchemy exception code"

1 files changed, 45 insertions, 0 deletions

diff --git a/openstack/common/db/exception.py b/openstack/common/db/exception.py
new file mode 100644
index 0000000..8588d85
--- /dev/null
+++ b/openstack/common/db/exception.py
@@ -0,0 +1,45 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2010 United States Government as represented by the
+# Administrator of the National Aeronautics and Space Administration.
+# 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.
+
+"""DB related custom exceptions."""
+
+from openstack.common.gettextutils import _
+
+
+class DBError(Exception):
+    """Wraps an implementation specific exception."""
+    def __init__(self, inner_exception=None):
+        self.inner_exception = inner_exception
+        super(DBError, self).__init__(str(inner_exception))
+
+
+class DBDuplicateEntry(DBError):
+    """Wraps an implementation specific exception."""
+    def __init__(self, columns=[], inner_exception=None):
+        self.columns = columns
+        super(DBDuplicateEntry, self).__init__(inner_exception)
+
+
+class DBDeadlock(DBError):
+    def __init__(self, inner_exception=None):
+        super(DBDeadlock, self).__init__(inner_exception)
+
+
+class DBInvalidUnicodeParameter(Exception):
+    message = _("Invalid Parameter: "
+                "Unicode is not supported by the current database.")