Observe seems not to work for local changes about coapthon HOT 4 CLOSED

#!/usr/bin/env python

from coapthon import defines
from coapthon.resources.resource import Resource
from threading import Lock
import grovepi as grove

class ButtonResource(Resource):
        def __init__(self, name="ButtonResource", coap_server=None, connector=7):
                super(ButtonResource, self).__init__(name, coap_server, visible=True, observable=True, allow_children=False)
                self.payload = False
                self.value = False
                self.lock= Lock()
                self.connector = connector
                grove.pinMode(connector,"INPUT")


        def render_GET(self, request):
                with self.lock:
                        self.payload = str(self.value)
                return self

        def render_PUT(self, request):
                with self.lock:
                        self.value=bool(request.payload)
                return self

        def isEqual(self,a,b):
                return a == b

        def checkValue(self):
                newVal = bool(grove.digitalRead(self.connector))
                with self.lock:
                        if not self.isEqual(newVal,self.value):
                                self.value = newVal
                                self.payload = str(self.value)
                                self.changed=True

#!/usr/bin/env python

from coapthon import defines
from coapthon.resources.resource import Resource
from threading import Lock
import grovepi as grove

class ButtonResource(Resource):
        def __init__(self, name="ButtonResource", coap_server=None, connector=7):
                super(ButtonResource, self).__init__(name, coap_server, visible=True, observable=True, allow_children=False)
                self.payload = False
                self.value = False
                self.lock= Lock()
                self.connector = connector
                grove.pinMode(connector,"INPUT")


        def render_GET(self, request):
                with self.lock:
                        self.payload = str(self.value)
                return self

        def render_PUT(self, request):
                with self.lock:
                        self.value=bool(request.payload)
                return self

        def isEqual(self,a,b):
                return a == b

        def checkValue(self):
                newVal = bool(grove.digitalRead(self.connector))
                with self.lock:
                        if not self.isEqual(newVal,self.value):
                                self.value = newVal
                                self.payload = str(self.value)
                                self._coap_server.notify(self)