Add commands for state monitoring

cogs/BotManagment.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+from formatting import format_table
+from discord.ext import commands
+from discord.ext.commands import Context
+
+
+class BotManagement(commands.Cog):
+    def __init__(self, bot: commands.Bot):
+        self.bot = bot
+
+    @commands.is_owner()
+    @commands.command('listServers')
+    async def list_servers(self, ctx: Context):
+        text_table = format_table(((server.name, str(server.id)) for server in self.bot.guilds), ('name', 'id'))
+        await ctx.channel.send(text_table)
+
+    @commands.is_owner()
+    @commands.command('listVoice')
+    async def list_voice_connections(self, ctx: Context):
+        text_table = format_table(((it.guild.name,) for it in self.bot.voice_clients))
+        await ctx.channel.send(text_table)
+
+
+async def setup(bot):
+    await bot.add_cog(BotManagement(bot))

formatting.py

@@ -0,0 +1,18 @@
+from typing import Iterable
+
+
+class MISSING:
+    pass
+
+
+def format_table(data: Iterable[Iterable[str]], header: Iterable[str] = MISSING) -> str:
+    if header != MISSING:
+        data = (header, *data)
+
+    result = '```\n'
+    for row in data:
+        row = [item.replace('`', '\\`') for item in row]
+        result += '\t'.join(row) + '\n'
+
+    result += '```'
+    return result