Add a way to catch when a writebuffer is emptied so we can e.g. assure a QUIT is

sent before shutting down the bot

modules/signals.py

@@ -21,7 +21,8 @@ class Module(ModuleManager.BaseModule):
             server.send_quit(reason)
             self.bot.trigger()
 
-        self.bot.running = False
+        self.events.on("writebuffer.empty").hook(
+            lambda event: self.bot.disconnect(event["server"]))
 
     def SIGUSR1(self, signum, frame):
         self.bot.log.info("Reloading config file", [])

src/IRCBot.py

@@ -157,6 +157,9 @@ class Bot(object):
 
     def run(self):
         while self.running:
+            if not self.servers:
+                break
+
             events = self.poll.poll(self.get_poll_timeout())
             self.lock.acquire()
             self._timers.call()
@@ -189,7 +192,8 @@ class Bot(object):
                             sock.parse_data(piece)
                     elif event & select.EPOLLOUT:
                         sock._send()
-                        self.register_read(sock)
+                        if sock.fileno() in self.servers:
+                            self.register_read(sock)
                     elif event & select.EPULLHUP:
                         print("hangup")
                         sock.disconnect()

src/IRCServer.py

@@ -299,6 +299,9 @@ class Server(IRCObject.Object):
         self.bytes_written += bytes_written
         self.write_buffer = self.write_buffer[bytes_written:]
 
+        if not self.waiting_send():
+            self.events.on("writebuffer.empty").call(server=self)
+
         now = time.monotonic()
         self.recent_sends.append(now)
         self.last_send = now