Add a way to print info about a specific role

cogs/roles.py

@@ -62,12 +62,33 @@ class Roles:
     @commands.group(aliases=['roles'], invoke_without_command=True)
     @commands.guild_only()
     @utils.can_run(send_messages=True)
-    async def role(self, ctx):
+    async def role(self, ctx, *, role: discord.Role=None):
         """This command can be used to modify the roles on the server.
         Pass no subcommands and this will print the roles currently available on this server
+        If you give a role as the argument then it will give some information about that role
 
         EXAMPLE: !role
         RESULT: A list of all your roles"""
+
+        if role:
+            # Create the embed object
+            opts = {
+                "title": role.name,
+                "colour": role.colour,
+            }
+            if role.managed:
+                opts["description"] = "This role is managed by a third party service"
+            embed = discord.Embed(**opts)
+            # Add details to it
+            embed.add_field(name="Created", value=role.created_at.date())
+            embed.add_field(name="Mentionable", value="Yes" if role.mentionable else "No")
+            total_members = len(role.members)
+            embed.add_field(name="Total members", value=str(total_members))
+            # If there are only a few members in this role, display them
+            if total_members <= 5:
+                embed.add_field(name="Members", value="\n".join(m.display_name for m in role.members))
+            await ctx.send(embed=embed)
+        else:
             # Don't include the colour roles
             colour_role = re.compile("Bonfire #.+")
             # Simply get a list of all roles in this server and send them