From 7f09acf871a7fbaa1de9b8509a24957a5894421d Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Fri, 29 Apr 2016 08:45:12 -0400
Subject: [PATCH] [commands] Allow role mentions to work with discord.Role
 params.

This also fixes the Member regex to support the new <@!user_id> syntax
and allows colours to have a leading # before the number.
---
 discord/ext/commands/core.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/discord/ext/commands/core.py b/discord/ext/commands/core.py
index cf0658736..bc0953758 100644
--- a/discord/ext/commands/core.py
+++ b/discord/ext/commands/core.py
@@ -155,7 +155,7 @@ class Command:
         return result
 
     def _convert_member(self, bot, message, argument):
-        match = re.match(r'<@([0-9]+)>$', argument)
+        match = re.match(r'<@!?([0-9]+)>$', argument)
         server = message.server
         result = None
         if match is None:
@@ -202,6 +202,8 @@ class Command:
 
     def _convert_colour(self, bot, message, argument):
         arg = argument.replace('0x', '').lower()
+        if arg[0] == '#':
+            arg = arg[1:]
         try:
             value = int(arg, base=16)
             return discord.Colour(value=value)
@@ -216,7 +218,9 @@ class Command:
         if not server:
             raise NoPrivateMessage()
 
-        result = discord.utils.get(server.roles, name=argument)
+        match = re.match(r'<@&([0-9]+)>$', argument)
+        params = dict(id=match.group(1)) if match else dict(name=argument)
+        result = discord.utils.get(server.roles, **params)
         if result is None:
             raise BadArgument('Role "{}" not found.'.format(argument))
         return result