1 files changed, 53 insertions, 0 deletions
diff --git a/ironic_python_agent/encoding.py b/ironic_python_agent/encoding.py
new file mode 100644
index 00000000..a6386579
--- /dev/null
+++ b/ironic_python_agent/encoding.py
@@ -0,0 +1,53 @@
+"""
+Copyright 2013 Rackspace, Inc.
+
+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 json
+import uuid
+
+
+class Serializable(object):
+    """Base class for things that can be serialized."""
+    def serialize(self):
+        """Turn this object into a dict."""
+        raise NotImplementedError()
+
+
+class RESTJSONEncoder(json.JSONEncoder):
+    """A slightly customized JSON encoder."""
+    def encode(self, o):
+        """Turn an object into JSON.
+
+        Appends a newline to responses when configured to pretty-print,
+        in order to make use of curl less painful from most shells.
+        """
+        delimiter = ''
+
+        # if indent is None, newlines are still inserted, so we should too.
+        if self.indent is not None:
+            delimiter = '\n'
+
+        return super(RESTJSONEncoder, self).encode(o) + delimiter
+
+    def default(self, o):
+        """Turn an object into a serializable object. In particular, by
+        calling :meth:`.Serializable.serialize`.
+        """
+        if isinstance(o, Serializable):
+            return o.serialize()
+        elif isinstance(o, uuid.UUID):
+            return str(o)
+        else:
+            return json.JSONEncoder.default(self, o)