Added a error handler!

1 files changed, 51 insertions, 0 deletions

diff --git a/bot/cogs/error_handler.py b/bot/cogs/error_handler.py
new file mode 100644
index 00000000..3f228b14
--- /dev/null
+++ b/bot/cogs/error_handler.py
@@ -0,0 +1,51 @@
+import discord

+from discord.ext import commands

+import asyncio

+

+import sys

+import traceback

+import math

+

+class CommandErrorHandler:

+    def __init__(self, bot):

+        self.bot = bot

+

+    async def on_command_error(self, ctx, error):

+        if hasattr(ctx.command, 'on_error'):

+            return

+        error = getattr(error, 'original', error)

+

+        if isinstance(error, commands.CommandNotFound):

+            return

+

+        if isinstance(error, commands.UserInputError):

+            return await ctx.send(':no_entry: The command you specified failed to run because the arguments you provided were invalid.')

+

+        if isinstance(error, commands.CommandOnCooldown):

+            return await ctx.send("This command is on cooldown, please retry in {}s.".format(math.ceil(error.retry_after)))

+

+        if isinstance(error, commands.DisabledCommand):

+            return await ctx.send(':no_entry: This command has been disabled.')

+

+        if isinstance(error, commands.NoPrivateMessage):

+            try:

+                return await ctx.author.send(':no_entry: This command can only be used inside a server.')

+            except:

+                pass

+

+        if isinstance(error, commands.BadArgument):

+            if ctx.command.qualified_name == 'tag list':

+                return await ctx.send('I could not find that member. Please try again.')

+            else:

+                return await ctx.send("The argument you provided was invalid.")

+

+        if isinstance(error, commands.CheckFailure):

+            await ctx.send(":no_entry: You do not have permission to use this command.")

+            return

+

+        print('Ignoring exception in command {}:'.format(ctx.command), file=sys.stderr)

+        traceback.print_exception(type(error), error, error.__traceback__, file=sys.stderr)

+

+

+def setup(bot):

+    bot.add_cog(CommandErrorHandler(bot))