Shutdown on signal.

thermostat.py

@@ -14,6 +14,8 @@ import requests
 import subprocess
 from threading import Thread
 from threading import Lock
+from threading import Event
+import signal
 import sqlite3
 
 # This code has been written for
@@ -156,6 +158,16 @@ def get_forced_mode(cursor):
     return data['value']
 
 ##
+stop = Event()
+
+def handler(signum, frame):
+  global stop
+  logging.info("Got interrupt: "+str(signum))
+  stop.set()
+  logging.info("Shutdown")
+
+signal.signal(signal.SIGTERM,handler)
+signal.signal(signal.SIGINT,handler)
 
 app = Flask(__name__)
 app.config.from_mapping(flask_settings)
@@ -183,6 +195,13 @@ Set_mode_resource_fields = {
 }
 Set_mode_model = api.model('Set_mode_Model', Set_mode_resource_fields)
 
+#TODO: Add this to swagger documentation
+#'Temporary forced modes (will stay in effect for '+str(int(forced_mode_duration))+' seconds):\n'\
+#+'\n'.join(['# /'+target+'\n' for target in targets])\
+#+'\n'\
+#+'Permanent forced modes:\n'\
+#+'\n'.join(['# /'+mode+'\n' for mode in modes])
+
 @ns_thermostat.route('/set_mode')
 class Set_mode_thermostat(Resource):
   @auth_required
@@ -260,13 +279,12 @@ def thermostat_loop():
 
   dbconn = sqlite3.connect("./instance/thermostat.db")
   cursor = dbconn.cursor()
+  logging.info("====== Starting ======")
 
   while True:
-  #  if stop.is_set():
-  #    httpd.shutdown()
-  #    httpd.server_close()
-  #    dbconn.close()
-  #    break
+    if stop.is_set():
+      dbconn.close()
+      break
 
     if new_forced_mode is not None:
       cursor.execute("INSERT OR REPLACE INTO set_mode (value) VALUES ('"+new_forced_mode+"')")
@@ -368,82 +386,3 @@ t1 = Thread(target=thermostat_loop)
 t1.daemon = True
 t1.start()
 logging.info("====== Ended successfully ======")
-
-#import signal
-#from threading import Event
-#from http.server import BaseHTTPRequestHandler
-#import threading
-#import socketserver
-
-
-#
-#def api_help():
-#  return """
-#### HTTP API description:
-## /status
-#
-## /help : This message
-#
-#"""\
-#+'Temporary forced modes (will stay in effect for '+str(int(forced_mode_duration))+' seconds):\n'\
-#+'\n'.join(['# /'+target+'\n' for target in targets])\
-#+'\n'\
-#+'Permanent forced modes:\n'\
-#+'\n'.join(['# /'+mode+'\n' for mode in modes])
-#
-
-
-
-#logging.info("====== Starting ======")
-#stop = Event()
-#last_data = {}
-#
-#def handler(signum, frame):
-#  global stop
-#  logging.info("Got interrupt: "+str(signum))
-#  stop.set()
-#  logging.info("Shutdown")
-#
-#signal.signal(signal.SIGTERM,handler)
-#signal.signal(signal.SIGINT,handler)
-#
-#class MyHandler(BaseHTTPRequestHandler):
-#  def do_GET(self):
-#    global new_forced_mode
-#    request = self.path[1:]
-#    if request in targets or request in modes:
-#      self.send_response(200)
-#      new_forced_mode = request
-#    elif self.path == '/status':
-#      self.send_response(200)
-#      self.send_header('Content-type', 'text/plain')
-#      self.end_headers()
-#      self.wfile.write(status_as_text().encode("utf-8"))
-#    elif self.path == '/help':
-#      self.send_response(200)
-#      self.send_header('Content-type', 'text/plain')
-#      self.end_headers()
-#      self.wfile.write(api_help().encode("utf-8"))
-#    else:
-#      self.send_response(404)
-#  # This rewrites the BaseHTTP logging function
-#  def log_message(self, format, *args):
-#    if verbosity == 'INFO':
-#      xprint("%s - - [%s] %s" %
-#           (self.address_string(),
-#            self.log_date_time_string(),
-#            format%args))
-#
-#class WebThread(threading.Thread):
-#    def run(self):
-#        httpd.serve_forever()
-#
-
-#httpd = socketserver.TCPServer(("", http_port), MyHandler, bind_and_activate=False)
-#httpd.allow_reuse_address = True
-#httpd.server_bind()
-#httpd.server_activate()
-#webserver_thread = WebThread()
-#webserver_thread.start()
-#
-