Web application (targeted at appengine) to proxy data from certain data types into a JSON-P data type so that users can create mashups against remote data sets.
Otherwise, you get a useless "Data transformation failed. Reason: " message. Google App Engine exceptions do not define messages, so it is important to put the exception class in the message.
Otherwise, you get a useless
"Data transformation failed. Reason: "
message. Google App Engine exceptions do not define messages, so it is important to put the exception class in the message.