svgui/pyjs/jsonrpc/jsonrpc.py
author Edouard Tisserant
Thu, 19 Apr 2018 13:02:13 +0200
changeset 1995 691d119ba20f
parent 1881 091005ec69c4
permissions -rw-r--r--
Removed DebugThread. Take advantage of the fact that buffering is done in runtime. No need to poll for traces more than ten per second, then use simple wxTimer for that. Also removed Debug Lock since now everything happens in wx' mainloop.
from __future__ import absolute_import
import sys
import gluon.contrib.simplejson as simplejson


class JSONRPCServiceBase(object):

    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 Exception:
                etype, eval, _etb = sys.exc_info()
                return self.error(id, 100, 'Exception %s: %s' % (etype, eval))
            except BaseException:
                etype, eval, _etb = sys.exc_info()
                return self.error(id, 100, '%s: %s' % (etype.__name__, eval))
        else:
            return self.error(id, 100, 'method "%s" does not exist' % method)

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