Try to start PulseAudio if the connection failed (max 3 times).

The logic here is quite complex.
Leaved some print on purpose to see how it works

GADGETS/audio/__init__.py

@@ -379,6 +379,7 @@ class PulseAudio_Client(object):
         self.conn = None
         self.srv_addr = None
         self.channels = []
+        self.exe_count = 0
 
         self.try_to_connect()
 
@@ -402,20 +403,26 @@ class PulseAudio_Client(object):
             return None
 
     def try_to_connect(self):
-        if self.connect() is False:
+        print("PULSE: try_to_connect")
+        if self.conn is None and self.connect() is False:
             ecore.Timer(5.0, self.try_to_connect)
         return ecore.ECORE_CALLBACK_CANCEL
 
     def connect(self):
+        print("PULSE: connect %d", self.exe_count)
         self.srv_addr = self.address_lookup()
-        if self.srv_addr is None:
-            # TODO maybe try to start pulse here
-            return False
         try:
             self.conn = dbus.connection.Connection(self.srv_addr,
                                                    mainloop=DBusEcoreMainLoop())
         except:
+            if self.exe_count < 3:
+                print("PULSE: Exe")
+                self.exe_count += 1
+                x = ecore.Exe('pulseaudio --start')
+                x.on_del_event_add(lambda *a: self.connect())
             return False
+        
+        self.exe_count = 0
         self.conn.call_on_disconnection(self.disconnect_cb)
 
         # get all available channels
@@ -447,7 +454,7 @@ class PulseAudio_Client(object):
         self.conn = None
         self.srv_addr = None
         self.channels = []
-        ecore.Timer(1.0, self.try_to_connect)
+        ecore.Timer(3.0, self.try_to_connect)
 
     def channel_signal_cb(self, *args, signal):
         obj_path = args[0]