svgui/pyjs/jsonrpc/jsonrpc.py
author Laurent Bessard
Tue, 24 Sep 2013 00:44:06 +0200
changeset 1322 0a9227f743b3
parent 728 e0424e96e3fd
child 1730 64d8f52bc8c8
permissions -rw-r--r--
Fixed xmlclass for working with included files, adding support for SimpleType elements and solving ambiguity in extension class when different elements share the same name and parent name
import gluon.contrib.simplejson as simplejson
import types
import sys

class JSONRPCServiceBase:

    def __init__(self):
        self.methods={}

    def response(self, id, result):
        return simplejson.dumps({'version': '1.1', 'id':id,
                                 'result':result, 'error':None})
    def error(self, id, code, message):
        return simplejson.dumps({'id': id,
                                 'version': '1.1',
                                 'error': {'name': 'JSONRPCError',
                                           'code': code,
                                           'message': message
                                           }
                                     })

    def add_method(self, name, method):
        self.methods[name] = method

    def process(self, data):
        data = simplejson.loads(data)
        id, method, params = data["id"], data["method"], data["params"]
        if method in self.methods:
            try:
                result =self.methods[method](*params)
                return self.response(id, result)
            except BaseException:
                etype, eval, etb = sys.exc_info()
                return self.error(id, 100, '%s: %s' %(etype.__name__, eval))
            except:
                etype, eval, etb = sys.exc_info()
                return self.error(id, 100, 'Exception %s: %s' %(etype, eval))
        else:
            return self.error(id, 100, 'method "%s" does not exist' % method)

    def listmethods(self):
        return self.methods.keys()