Added a cog to update the information from bots.discord.pw

cogs/statsupdate.py

@@ -0,0 +1,44 @@
+from .utils import config
+import aiohttp
+import logging
+import json
+
+log = logging.getLogger()
+
+discord_bots_url = 'https://bots.discord.pw/api'
+
+class StatsUpdate:
+    """This is used purely to update stats information for carbonitex and botx.discord.pw"""
+    
+    def __init__(self, bot):
+        self.bot = bot
+        self.session = aiohttp.ClientSession()
+    
+    def __unload(self):
+        config.loop.create_task(self.session.close())
+
+    async def update(self):
+        payload = json.dumps({
+            'server_count': len(self.bot.servers)
+        })
+
+        headers = {
+            'authorization': config.discord_bots_key,
+            'content-type': 'application/json'
+        }
+
+        url = '{0}/bots/{1.user.id}/stats'.format(discord_bots_url, self.bot)
+        async with self.session.post(url, data=payload, headers=headers) as resp:
+            log.info('bots.discord.pw statistics returned {0.status} for {1}'.format(resp, payload))
+        
+    async def on_server_join(self, server):
+        await self.update()
+
+    async def on_server_leave(self, server):
+        await self.update()
+
+    async def on_ready(self):
+        await self.update()
+
+def setup(bot):
+    bot.add_cog(StatsUpdate(bot))