1 files changed, 53 insertions, 0 deletions
diff --git a/nova/exception.py b/nova/exception.py
new file mode 100644
index 0000000000..dc7b16cdbb
--- /dev/null
+++ b/nova/exception.py
@@ -0,0 +1,53 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+# Copyright [2010] [Anso Labs, LLC]
+# 
+#    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.
+
+"""
+Nova base exception handling, including decorator for re-raising 
+Nova-type exceptions. SHOULD include dedicated exception logging.
+"""
+
+import logging
+import traceback
+import sys
+
+class Error(Exception):
+    pass
+
+class ApiError(Error): 
+    def __init__(self, message='Unknown', code='Unknown'):
+        self.message = message
+        self.code = code
+
+class NotFound(Error):
+    pass
+
+class NotAuthorized(Error):
+    pass
+
+def wrap_exception(f):
+    def _wrap(*args, **kw):
+        try:
+            return f(*args, **kw)
+        except Exception, e:
+            if not isinstance(e, Error):
+                # exc_type, exc_value, exc_traceback = sys.exc_info() 
+                logging.exception('Uncaught exception')
+		        # logging.debug(traceback.extract_stack(exc_traceback))
+                raise Error(str(e))
+            raise
+    _wrap.func_name = f.func_name
+    return _wrap
+        
+