Break Zeroconf into its own component

homeassistant/components/http.py

@@ -30,8 +30,6 @@ from homeassistant.const import (
     HTTP_NOT_FOUND, HTTP_OK, HTTP_UNAUTHORIZED, HTTP_UNPROCESSABLE_ENTITY,
     SERVER_PORT, __version__)
 
-REQUIREMENTS = ["zeroconf==0.17.5"]
-
 DOMAIN = "http"
 
 CONF_API_PASSWORD = "api_password"
@@ -106,15 +104,14 @@ class HomeAssistantHTTPServer(ThreadingMixIn, HTTPServer):
         self.development = development
         self.paths = []
         self.sessions = SessionStore()
-        self.use_ssl = ssl_certificate is not None
+        self.protocol = 'https' if ssl_certificate is not None else 'http'
+        self.base_url = "{}://{}:{}".format(self.protocol,
+                                            util.get_local_ip(),
+                                            self.server_address[1])
 
         # We will lazy init this one if needed
         self.event_forwarder = None
 
-        from zeroconf import Zeroconf
-
-        self.zeroconf = Zeroconf()
-
         if development:
             _LOGGER.info("running http in development mode")
 
@@ -129,34 +126,10 @@ class HomeAssistantHTTPServer(ThreadingMixIn, HTTPServer):
         def stop_http(event):
             """Stop the HTTP server."""
             self.shutdown()
-            self.zeroconf.unregister_all_services()
 
         self.hass.bus.listen_once(ha.EVENT_HOMEASSISTANT_STOP, stop_http)
 
-        protocol = 'https' if self.use_ssl else 'http'
+        _LOGGER.info("Starting web interface at %s", self.base_url)
-
-        base_url = "{}://{}:{}".format(protocol, util.get_local_ip(),
-                                       self.server_address[1])
-
-        zeroconf_type = "_home-assistant._tcp.local."
-        zeroconf_name = "{}.{}".format(self.hass.config.location_name,
-                                       zeroconf_type)
-
-        has_device_tracker = ("device_tracker" in self.hass.config.components)
-
-        params = {"version": __version__, "base_url": base_url,
-                  "device_tracker_component": has_device_tracker,
-                  "needs_password": (self.api_password != "")}
-
-        from zeroconf import ServiceInfo
-
-        info = ServiceInfo(zeroconf_type, zeroconf_name,
-                           socket.inet_aton(util.get_local_ip()),
-                           self.server_address[1], 0, 0, params)
-
-        self.zeroconf.register_service(info)
-
-        _LOGGER.info("Starting web interface at %s", base_url)
 
         # 31-1-2015: Refactored frontend/api components out of this component
         # To prevent stuff from breaking, load the two extracted components

homeassistant/components/zeroconf.py

@@ -0,0 +1,50 @@
+"""
+This module exposes Home Assistant via Zeroconf, also sometimes known as
+Bonjour, Rendezvous, Avahi or Multicast DNS (mDNS).
+
+For more details about Zeroconf, please refer to the documentation at
+https://home-assistant.io/components/zeroconf/
+"""
+import logging
+import socket
+
+from homeassistant.const import (
+    EVENT_HOMEASSISTANT_START, EVENT_HOMEASSISTANT_STOP, __version__)
+
+import homeassistant.util as util
+
+REQUIREMENTS = ["zeroconf==0.17.5"]
+
+_LOGGER = logging.getLogger(__name__)
+
+DOMAIN = "zeroconf"
+
+ZEROCONF_TYPE = "_home-assistant._tcp.local."
+
+DEPENDENCIES = ["http", "api"]
+
+def setup(hass, config):
+
+  from zeroconf import Zeroconf, ServiceInfo
+
+  zeroconf = Zeroconf()
+
+  zeroconf_name = "{}.{}".format(hass.config.location_name,
+                                 ZEROCONF_TYPE)
+
+  params = {"version": __version__, "base_url": hass.http.base_url,
+            "has_password": (hass.http.api_password != "")}
+
+  info = ServiceInfo(ZEROCONF_TYPE, zeroconf_name,
+                     socket.inet_aton(util.get_local_ip()),
+                     hass.http.server_address[1], 0, 0, params)
+
+  zeroconf.register_service(info)
+
+  def stop_zeroconf(event):
+      """Stop Zeroconf."""
+      zeroconf.unregister_all_services()
+
+  hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, stop_zeroconf)
+
+  return True

requirements_all.txt

@@ -314,5 +314,5 @@ xbee-helper==0.0.6
 # homeassistant.components.sensor.yr
 xmltodict
 
-# homeassistant.components.http
+# homeassistant.components.zeroconf
 zeroconf==0.17.5