HGKeeper

7272baadd7f6

fix issue that was impossible to remove local instance of functional
block if pou is written in ST or IL

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()