From 5c5a59c18e41538bee44ed85b7cf1806e830623d Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Sat, 16 Dec 2017 21:36:39 -0500
Subject: [PATCH] Add Client.clear to clear the bot's internal state to a clean
 slate.

In case you want to have some external restart loop.
---
 discord/client.py | 12 ++++++++++++
 discord/http.py   |  4 ++++
 2 files changed, 16 insertions(+)

diff --git a/discord/client.py b/discord/client.py
index deede9cce..1bc06d90b 100644
--- a/discord/client.py
+++ b/discord/client.py
@@ -462,6 +462,18 @@ class Client:
         yield from self.http.close()
         self._ready.clear()
 
+    def clear(self):
+        """Clears the internal state of the bot.
+
+        After this, the bot can be considered "re-opened", i.e. :meth:`.is_closed`
+        and :meth:`.is_ready` both return ``False`` along with the bot's internal
+        cache cleared.
+        """
+        self._closed.clear()
+        self._ready.clear()
+        self._connection.clear()
+        self._http.recreate()
+
     @asyncio.coroutine
     def start(self, *args, **kwargs):
         """|coro|
diff --git a/discord/http.py b/discord/http.py
index 70d47424f..7ec64d82c 100644
--- a/discord/http.py
+++ b/discord/http.py
@@ -102,6 +102,10 @@ class HTTPClient:
         user_agent = 'DiscordBot (https://github.com/Rapptz/discord.py {0}) Python/{1[0]}.{1[1]} aiohttp/{2}'
         self.user_agent = user_agent.format(__version__, sys.version_info, aiohttp.__version__)
 
+    def recreate(self):
+        if self._session.closed:
+            self._session = aiohttp.ClientSession(connector=self.connector, loop=self.loop)
+
     @asyncio.coroutine
     def request(self, route, *, header_bypass_delay=None, **kwargs):
         bucket = route.bucket