v1 vsersion

lib/exception.py

@@ -0,0 +1,17 @@
+# -*- coding:utf-8 -*- 
+
+
+class InvalidUsageError(Exception):
+    status_code = 400
+
+    def __init__(self, message, status_code=None, payload=None):
+        Exception.__init__(self)
+        self.message = message
+        if status_code is not None:
+            self.status_code = status_code
+        self.payload = payload
+
+    def to_dict(self):
+        rv = dict(self.payload or ())
+        rv['message'] = self.message
+        return rv