Red-DiscordBot/cogs/alias.py
2016-04-12 00:19:42 -04:00

126 lines
4.4 KiB
Python

from discord.ext import commands
from .utils.chat_formatting import *
from .utils.dataIO import fileIO
from .utils import checks
from __main__ import send_cmd_help
import os
class Alias:
def __init__(self, bot):
self.bot = bot
self.aliases = fileIO("data/alias/aliases.json", "load")
@commands.group(pass_context=True)
@checks.mod_or_permissions(manage_server=True)
async def alias(self, ctx):
"""Manage per-server aliases for commands"""
if ctx.invoked_subcommand is None:
await send_cmd_help(ctx)
@alias.command(name="add", pass_context=True)
async def _add_alias(self, ctx, command: str, *, to_execute):
"""Add an alias for a command
Example: !alias add test flip @Twentysix"""
server = ctx.message.server
if self.get_prefix(to_execute) is False:
to_execute = self.bot.command_prefix[0] + to_execute
if server.id not in self.aliases:
self.aliases[server.id] = {}
if command not in self.bot.commands:
self.aliases[server.id][command] = to_execute
fileIO("data/alias/aliases.json", "save", self.aliases)
await self.bot.say("Alias '{}' added.".format(command))
else:
await self.bot.say("Cannot add '{}' because it's a real bot "
"command.".format(command))
@alias.command(name="help", pass_context=True)
async def _help_alias(self, ctx, command):
"""Tries to execute help for the base command of the alias"""
server = ctx.message.server
if server.id in self.aliases:
server_aliases = self.aliases[server.id]
if command in server_aliases:
help_cmd = server_aliases[command].split(" ")[0]
new_content = self.bot.command_prefix[0]
new_content += "help "
new_content += help_cmd[len(self.get_prefix(help_cmd)):]
message = ctx.message
message.content = new_content
await self.bot.process_commands(message)
else:
await self.bot.say("That alias doesn't exist.")
@alias.command(name="show", pass_context=True)
async def _show_alias(self, ctx, command):
"""Shows what command the alias executes."""
server = ctx.message.server
if server.id in self.aliases:
server_aliases = self.aliases[server.id]
if command in server_aliases:
await self.bot.say(box(server_aliases[command]))
else:
await self.bot.say("That alias doesn't exist.")
@alias.command(name="del", pass_context=True)
async def _del_alias(self, ctx, command: str):
"""Deletes an alias"""
server = ctx.message.server
if server.id in self.aliases:
self.aliases[server.id].pop(command, None)
fileIO("data/alias/aliases.json", "save", self.aliases)
await self.bot.say("Alias '{}' deleted.".format(command))
async def check_aliases(self, message):
if message.author.id == self.bot.user.id or \
len(message.content) < 2 or message.channel.is_private:
return
msg = message.content
server = message.server
prefix = self.get_prefix(msg)
if prefix and server.id in self.aliases:
aliaslist = self.aliases[server.id]
alias = msg[len(prefix):].split(" ")[0]
args = msg[len(self.first_word(message.content)):]
if alias in aliaslist.keys():
content = aliaslist[alias] + args
new_message = message
new_message.content = content
await self.bot.process_commands(new_message)
def first_word(self, msg):
return msg.split(" ")[0]
def get_prefix(self, msg):
for p in self.bot.command_prefix:
if msg.startswith(p):
return p
return False
def check_folder():
if not os.path.exists("data/alias"):
print("Creating data/alias folder...")
os.makedirs("data/alias")
def check_file():
aliases = {}
f = "data/alias/aliases.json"
if not fileIO(f, "check"):
print("Creating default alias's aliases.json...")
fileIO(f, "save", aliases)
def setup(bot):
check_folder()
check_file()
n = Alias(bot)
bot.add_listener(n.check_aliases, "on_message")
bot.add_cog(n)