Make ex control wait for agent to start

examples/control.py

@@ -16,20 +16,28 @@ class BossAgent(BDIAgent):
 
     class Modify(PeriodicBehaviour):
         async def run(self):
-            tipo = self.agent.bdi.get_belief_value("type")[0]
-            if tipo == 'inc':
-                self.agent.bdi.set_belief('type', 'dec')
-            else:
-                self.agent.bdi.set_belief('type', 'inc')
+            if self.agent.bdi_enabled:
+                tipo = self.agent.bdi.get_belief_value("type")[0]
+                if tipo == 'inc':
+                    self.agent.bdi.set_belief('type', 'dec')
+                else:
+                    self.agent.bdi.set_belief('type', 'inc')
 
 
 b = BDIAgent("slave_1@localhost", "bdisimple", "slave.asl")
-b.start()
+future = b.start()
+future.result()
 c = BDIAgent("slave_2@localhost", "bdisimple3")
-c.start()
-a = BossAgent("Boss@localhost", "bdiboss", "boss.asl")
-a.start()
+future = c.start()
+future.result()
+a = BossAgent("Boss@localhost", "bdiboss")
+future = a.start()
+future.result()
+a.set_asl("boss.asl")
 import time
 time.sleep(5)
 print("Enabling BDI for slave2")
 c.set_asl("slave.asl")
+time.sleep(5)
+print("Disabling BDI for slave2")
+c.set_asl(None)

spade_bdi/bdi.py

 # -*- coding: utf-8 -*-
-from abc import ABCMeta, abstractmethod
 from spade.behaviour import CyclicBehaviour
 import pyson
 import pyson.runtime
 import pyson.stdlib
-import os
 import asyncio
 from spade.agent import Agent
 from spade.template import Template
 from spade.message import Message
 import json
 from ast import literal_eval
+from loguru import logger
 
 PERCEPT_TAG = frozenset(
     [pyson.Literal("source", (pyson.Literal("percept"), ))])
@@ -168,7 +167,8 @@ class BDIAgent(Agent):
             if self.agent.asl_file:
                 self.agent.set_asl(self.agent.asl_file)
             else:
-                print("No ASL specified.")
+                logger.info(
+                    "Warning: no ASL specified for {}.".format(self.agent.jid))
 
         async def run(self):
             """