beremiz

fix bug with TextViewer instance in debug mode, appears after transferring new program on PLC

2017-06-27, Surkov Sergey
953ceea2573e
fix bug with TextViewer instance in debug mode, appears after transferring new program on PLC
TextViewer isn't able to display debug values, so calling for this class SubscribeAllDataConsumers method causes error
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()