svgui/pyjs/jsonrpc/jsonrpc.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Fri, 10 Mar 2017 17:09:48 +0300
changeset 1661 78f28f40bc10
parent 728 e0424e96e3fd
child 1730 64d8f52bc8c8
permissions -rw-r--r--
wrap Beremiz startup code into separate launcher class

this should make it easier to make customized version of Beremiz IDE.
It's easy to add own splash, change version, add/disable extensions
and many other things.

For example:

[----- MyBeremiz.py ------]
#!/usr/bin/env python
from BeremizIDELauncher import BeremizIDELauncher

class MyBeremizIDELauncher(BeremizIDELauncher):
def __init__(self):
BeremizIDELauncher.__init__(self)
self.splashPath = self.Bpath("", "splash.png")

def ShowSplashScreen(self):
# comment next line to disable splash entirely
BeremizIDELauncher.ShowSplashScreen(self)

# change version
import version
version.app_version = "3.141-rc52"

def LoadExtensions(self):
# add/modifine list of extensions
# in self.extensions
BeremizIDELauncher.LoadExtensions(self)

if __name__ == '__main__':
beremiz = MyBeremizIDELauncher()
beremiz.Start()

[-------------------------]
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()