Adding AutoKickCog to kick all new joins during a raid

bot.py

 from discord.ext import commands
 
 from config import CONFIG
+from rocketbot.cogs.autokickcog import AutoKickCog
 from rocketbot.cogs.configcog import ConfigCog
 from rocketbot.cogs.crosspostcog import CrossPostCog
 from rocketbot.cogs.generalcog import GeneralCog
 bot.add_cog(ConfigCog(bot))
 
 # Optional
+bot.add_cog(AutoKickCog(bot))
 bot.add_cog(CrossPostCog(bot))
 bot.add_cog(JoinAgeCog(bot))
 bot.add_cog(JoinRaidCog(bot))

rocketbot/cogs/autokickcog.py

+import weakref
+
+from discord import Guild, Member
+from discord.ext import commands
+
+from config import CONFIG
+from rocketbot.cogs.basecog import BaseCog, BotMessage, BotMessageReaction, CogSetting
+
+class AutoKickCog(BaseCog, name='Auto Kick'):
+	"""
+	Cog for automatically kicking ALL new joins. For temporary use during join raids.
+	"""
+	SETTING_ENABLED = CogSetting('enabled', bool,
+		brief='autokick',
+		description='Whether this cog is enabled for a guild.')
+
+	def __init__(self, bot):
+		super().__init__(bot)
+		self.add_setting(AutoKickCog.SETTING_ENABLED)
+
+	@commands.group(
+		brief='Automatically kicks all new users as soon as they join',
+	)
+	@commands.has_permissions(ban_members=True)
+	@commands.guild_only()
+	async def autokick(self, context: commands.Context):
+		'Auto-kick'
+		if context.invoked_subcommand is None:
+			await context.send_help()
+
+	@commands.Cog.listener()
+	async def on_member_join(self, member: Member) -> None:
+		'Event handler'
+		guild: Guild = member.guild
+		if not self.get_guild_setting(guild, self.SETTING_ENABLED):
+			return
+		await member.kick(reason=f'Rocketbot: Autokick enabled.')
+		msg = BotMessage(guild,
+						text=f'Autokicked {member.mention} ({member.id}). To disable this feature: `{CONFIG["command_prefix"]}autokick disable`.',
+						type=BotMessage.TYPE_INFO,
+						context=None)
+		await self.post_message(msg)
+		self.log(guild, f'Autokicked {member.nick}')