switched to AsyncEngine

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@2753 b32b6428-25c9-4566-ad07-03861ab6144f

devices/weather/OpenWeatherMap/xaal/owm/__main__.py

 from . import gw
 from xaal.lib import helpers
 
-helpers.run_package(gw.PACKAGE_NAME,gw.setup)
+helpers.run_async_package(gw.PACKAGE_NAME,gw.setup)
 

devices/weather/OpenWeatherMap/xaal/owm/gw.py

 import platform
-import atexit
 import logging
 
 import pyowm
@@ -7,6 +6,8 @@ from pyowm.exceptions import OWMError
 from xaal.lib import tools
 from xaal.schemas import devices
 
+from xaal.lib import helpers
+
 PACKAGE_NAME = "xaal.owm"
 RATE = 300 # update every 5 min
 API_KEY = '3a5989bac31472cd41d69e92838bd454'
@@ -24,13 +25,14 @@ def setup_dev(dev):
 class GW:
     def __init__(self,engine):
         self.eng = engine
-        atexit.register(self._exit)
+        engine.on_stop(self.save_config)
         cfg = tools.load_cfg(PACKAGE_NAME)
         if cfg == None:
-            logger.info('New  config file')
+            logger.info('New config file')
             cfg = tools.new_cfg(PACKAGE_NAME)
             cfg['config']['base_addr'] = str(tools.get_random_base_uuid())
         self.cfg = cfg
+
         self.setup()
         self.update()
 
@@ -48,7 +50,7 @@ class GW:
         self.devs = [d1,d2,d3,d4]
 
         # gw 
-        gw = devices.gateway(tools.str_to_uuid(cfg['addr']))
+        gw = devices.gateway(tools.get_uuid(cfg['addr']))
         gw.attributes['embedded'] = [dev.address for dev in self.devs]
 
         for dev in (self.devs + [gw,]):
@@ -68,6 +70,7 @@ class GW:
         # We are ready
         self.owm = pyowm.OWM(api_key)
 
+    @helpers.spawn
     def update(self):
         try:
             self._update()
@@ -85,7 +88,7 @@ class GW:
         self.devs[3].attributes['wind_angle'] = weather.get_wind().get('deg',None)
         self.devs[3].attributes['gust_strength'] = weather.get_wind().get('gust',None)
 
-    def _exit(self):
+    def save_config(self):
         cfg = tools.load_cfg(PACKAGE_NAME)
         if cfg != self.cfg:
             logger.info('Saving configuration file')