From 8681ca204372bfe70d069f4e6d76093309472c28 Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Mon, 30 Mar 2020 17:33:28 +0200
Subject: [PATCH] Don't spawn unnecessary threads when no_updates=True

---
 pyrogram/client/client.py | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/pyrogram/client/client.py b/pyrogram/client/client.py
index 0a7827fb..7c2279b9 100644
--- a/pyrogram/client/client.py
+++ b/pyrogram/client/client.py
@@ -216,7 +216,7 @@ class Client(Methods, BaseClient):
         else:
             raise ValueError("Unknown storage engine")
 
-        self.dispatcher = Dispatcher(self, workers)
+        self.dispatcher = Dispatcher(self, 0 if no_updates else workers)
 
     def __enter__(self):
         return self.start()
@@ -302,15 +302,16 @@ class Client(Methods, BaseClient):
 
         self.load_plugins()
 
-        for i in range(self.UPDATES_WORKERS):
-            self.updates_workers_list.append(
-                Thread(
-                    target=self.updates_worker,
-                    name="UpdatesWorker#{}".format(i + 1)
+        if not self.no_updates:
+            for i in range(self.UPDATES_WORKERS):
+                self.updates_workers_list.append(
+                    Thread(
+                        target=self.updates_worker,
+                        name="UpdatesWorker#{}".format(i + 1)
+                    )
                 )
-            )
 
-            self.updates_workers_list[-1].start()
+                self.updates_workers_list[-1].start()
 
         for i in range(self.DOWNLOAD_WORKERS):
             self.download_workers_list.append(
@@ -355,13 +356,14 @@ class Client(Methods, BaseClient):
 
         self.download_workers_list.clear()
 
-        for _ in range(self.UPDATES_WORKERS):
-            self.updates_queue.put(None)
+        if not self.no_updates:
+            for _ in range(self.UPDATES_WORKERS):
+                self.updates_queue.put(None)
 
-        for i in self.updates_workers_list:
-            i.join()
+            for i in self.updates_workers_list:
+                i.join()
 
-        self.updates_workers_list.clear()
+            self.updates_workers_list.clear()
 
         for i in self.media_sessions.values():
             i.stop()