JSON-RPC Server for Python

Introduction

I've built a JSON-RPC server module for Python, called SimpleJSONRPCServer.py.

It's derived from the SimpleXMLRPCServer module from Python 2.4, and subclasses the XML-RPC classes, overriding only what is necessary to create a JSON-compatible version.

The interface is virtually identical to the classes in SimpleXMLRPCServer, except that 'XML' is changed to 'JSON'. For example, the module has a class called CGIJSONRPCRequestHandler instead of CGIXMLRPCRequestHandler, and SimpleJSONRPCServer instead of SimpleXMLRPCServer, etc.

Demonstration

Below are two files which demonstrate this JSON-RPC framework running in a CGI environment:

jsonrpctest.cgi - server-side CGI, using SimpleJSONRPCServer
jsonrpctest.html - client web page, which invokes this JSON-RPC service via Dojo's dojo.rpc.JsonService JSON-RPC client. (requires javascript enabled in your browser)

Download

Here again are all files involved in the demo:

Server-side:
- SimpleJSONRPCServer.py - the python module which implements the JSON-RPC server
- json.py - contains a JSON codec, as needed by SimpleJSONRPCServer.py
- jsonrpctest.cgi - a tiny CGI script which implements the server side of the demo
Client-side:
- dojo_rpc_only.js - a minimal compressed build of the Dojo framework, which includes the Dojo JSON-RPC client
- jsonrpctest.html - a small client-side web page which uses the JSON-RPC service

License

I've modelled SimpleJSONRPCServer heavily from the original SimpleXMLRPCServer python library module. To avoid complications, I release it under the same Python license.