svgui/pyjs/jsonrpc/jsonrpc.py
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Thu, 21 Feb 2019 10:17:38 +0300
changeset 2512 69cef4e37ef9
parent 1881 091005ec69c4
permissions -rw-r--r--
Fix non-marking as manually forced floating point variable if the value isn't integer

For example, if user in debug variable panel set any floating point
variable to 34.3, then it's not shown as forced (blue color) and user
can't release this enforcement.

If user changes the value to 34.0, then enforcement shows
correctly. This is done because binary representation of floating point
numbers in IDE and runtime can be slightly different (double vs float)
and as a result values aren't equal.
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()