wait.py

import datetime, time

def wait_available(self, entity, is_domain):
        count = 0
        dev = []
        if(isinstance(entity, str)):
                dev.append(entity)
        else:
                dev = entity
        while(count < 300):
                ret = True
                for i in dev:
                        if(is_domain):
                                #self.log(self.get_state(i))
                                if(not(self.get_state(i) == None)):
                                        break
                        else:
                                if(not(self.entity_exists(i))):
                                        self.log("dev "+str(i)+" not ready")
                                        ret = False
                                        self.terminate()
                                        break
                if(ret):
                        self.log("All devices online after "+str(count)+" sec")
                        return True
                else:
                        count += 1
                        time.sleep(1)
        self.log("entities never came online ")
        self.log(dev)
        return False