beremiz

Copy description when DnD variables from Globals in resources and configuration variable panels to POUs. Also prevent making exception in case some other DropSource wouldn't provide description.
# pylint: disable=undefined-variable
from __future__ import absolute_import
from svgui.pyjs.jsonrpc.jsonrpc import JSONRPCServiceBase
class JSONRPCService(JSONRPCServiceBase):
def serve(self):
return self.process(request.body.read())
def __call__(self, func):
self.methods[func.__name__] = func
return func