Implement initial Python bindings for Open vSwitch database.

[sliver-openvswitch.git] / python / ovs / db / error.py

diff --git a/python/ovs/db/error.py b/python/ovs/db/error.py
new file mode 100644 (file)
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+++ b/python/ovs/db/error.py
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+# Copyright (c) 2009, 2010 Nicira Networks
+#
+# 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 ovs.json
+
+class Error(Exception):
+    def __init__(self, msg, json=None, tag=None):
+        Exception.__init__(self)
+        self.msg = msg
+        self.json = json
+        if tag is None:
+            if json is None:
+                self.tag = "ovsdb error"
+            else:
+                self.tag = "syntax error"
+        else:
+            self.tag = tag
+
+    def __str__(self):
+        syntax = ""
+        if self.json is not None:
+                syntax = "syntax \"%s\": " % ovs.json.to_string(self.json)
+        return "%s%s: %s" % (syntax, self.tag, self.msg)