258 lines
10 KiB
Python
258 lines
10 KiB
Python
import discord
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import toml
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import logging
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import subprocess
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import discord.ext.commands as commands
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import discord.ext.tasks as tasks
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import re
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import asyncio
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import json
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import argparse
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import traceback
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from datetime import timezone, datetime
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import tio
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import db
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import util
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def timestamp(): return int(datetime.now(tz=timezone.utc).timestamp())
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# TODO refactor this
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database = None
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config = toml.load(open("config.toml", "r"))
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logging.basicConfig(level=logging.INFO, format="%(levelname)s %(asctime)s %(message)s", datefmt="%H:%M:%S %d/%m/%Y")
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bot = commands.Bot(command_prefix=config["prefix"], description="AutoBotRobot, the most useless bot in the known universe.", case_insensitive=True)
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bot._skip_check = lambda x, y: False
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def make_embed(*, fields=[], footer_text=None, **kwargs):
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embed = discord.Embed(**kwargs)
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for field in fields:
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if len(field) > 2:
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embed.add_field(name=field[0], value=field[1], inline=field[2])
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else:
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embed.add_field(name=field[0], value=field[1], inline=False)
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if footer_text:
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embed.set_footer(text=footer_text)
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return embed
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def error_embed(msg, title="Error"):
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return make_embed(color=config["colors"]["error"], description=msg, title=title)
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cleaner = discord.ext.commands.clean_content()
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def clean(ctx, text):
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return cleaner.convert(ctx, text)
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@bot.command(help="Gives you a random fortune as generated by `fortune`.")
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async def fortune(ctx):
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await ctx.send(subprocess.run(["fortune"], stdout=subprocess.PIPE, encoding="UTF-8").stdout)
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@bot.command(help="Says Pong.")
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async def ping(ctx):
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await ctx.send("Pong.")
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@bot.command(help="Deletes the specified target.", rest_is_raw=True)
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async def delete(ctx, *, raw_target):
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target = await clean(ctx, raw_target.strip().replace("\n", " "))
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if len(target) > 256:
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await ctx.send(embed=error_embed("Deletion target must be max 256 chars"))
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return
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async with ctx.typing():
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await ctx.send(f"Deleting {target}...")
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await asyncio.sleep(1)
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await database.execute("INSERT INTO deleted_items (timestamp, item) VALUES (?, ?)", (timestamp(), target))
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await database.commit()
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await ctx.send(f"Deleted {target} successfully.")
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@bot.command(help="View recently deleted things, optionally matching a filter.")
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async def list_deleted(ctx, search=None):
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acc = "Recently deleted:\n"
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if search: acc = f"Recently deleted (matching {search}):\n"
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csr = None
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if search:
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csr = database.execute("SELECT * FROM deleted_items WHERE item LIKE ? ORDER BY timestamp DESC LIMIT 100", (f"%{search}%",))
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else:
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csr = database.execute("SELECT * FROM deleted_items ORDER BY timestamp DESC LIMIT 100")
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async with csr as cursor:
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async for row in cursor:
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to_add = "- " + row[2].replace("```", "[REDACTED]") + "\n"
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if len(acc + to_add) > 2000:
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break
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acc += to_add
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await ctx.send(acc)
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# Python, for some *very intelligent reason*, makes the default ArgumentParser exit the program on error.
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# This is obviously undesirable behavior in a Discord bot, so we override this.
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class NonExitingArgumentParser(argparse.ArgumentParser):
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def exit(self, status=0, message=None):
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if status:
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raise Exception(f'Flag parse error: {message}')
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exit(status)
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EXEC_REGEX = "^(.*)```([a-zA-Z0-9_\\-+]+)?\n(.*)```$"
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exec_flag_parser = NonExitingArgumentParser(add_help=False)
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exec_flag_parser.add_argument("--verbose", "-v", action="store_true")
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exec_flag_parser.add_argument("--language", "-L")
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@bot.command(rest_is_raw=True, help="Execute provided code (in a codeblock) using TIO.run.")
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async def exec(ctx, *, arg):
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match = re.match(EXEC_REGEX, arg, flags=re.DOTALL)
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if match == None:
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await ctx.send(embed=error_embed("Invalid format. Expected a codeblock."))
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return
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flags_raw = match.group(1)
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flags = exec_flag_parser.parse_args(flags_raw.split())
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lang = flags.language or match.group(2)
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if not lang:
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await ctx.send(embed=error_embed("No language specified. Use the -L flag or add a language to your codeblock."))
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return
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lang = lang.strip()
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code = match.group(3)
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async with ctx.typing():
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ok, real_lang, result, debug = await tio.run(lang, code)
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if not ok:
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await ctx.send(embed=error_embed(f"""```{result}```""", "Execution error"))
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else:
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out = result
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if flags.verbose:
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debug_block = f"""\n```{debug}\nLanguage: {real_lang}```"""
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out = out[:2000 - len(debug_block)] + debug_block
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else:
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out = out[:2000]
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await ctx.send(out)
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@bot.command(help="List supported languages, optionally matching a filter.")
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async def supported_langs(ctx, search=None):
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langs = sorted(tio.languages())
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acc = ""
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for lang in langs:
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if len(acc + lang) > 2000:
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await ctx.send(acc)
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acc = ""
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if search == None or search in lang: acc += lang + " "
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if acc == "": acc = "No results."
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await ctx.send(acc)
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@bot.command(brief="Set a reminder to be reminded about later.", rest_is_raw=True, help="""Sets a reminder which you will (probably) be reminded about at/after the specified time.
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All times are UTC.
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Reminders are checked every minute, so while precise times are not guaranteed, reminders should under normal conditions be received within 2 minutes of what you specify.""")
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async def remind(ctx, time, *, reminder):
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reminder = reminder.strip()
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if len(reminder) > 512:
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await ctx.send(embed=error_embed("Maximum reminder length is 512 characters"))
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return
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extra_data = {
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"author_id": ctx.author.id,
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"channel_id": ctx.message.channel.id,
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"original_time_spec": time
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}
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try:
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time = util.parse_time(time)
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except:
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await ctx.send(embed=error_embed("Invalid time"))
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return
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await database.execute("INSERT INTO reminders (remind_timestamp, created_timestamp, reminder, expired, extra) VALUES (?, ?, ?, ?, ?)",
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(time.timestamp(), timestamp(), reminder, 0, json.dumps(extra_data)))
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await database.commit()
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await ctx.send(f"Reminder scheduled for {util.format_time(time)}.")
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@tasks.loop(seconds=60)
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async def remind_worker():
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csr = database.execute("SELECT * FROM reminders WHERE expired = 0 AND remind_timestamp < ?", (timestamp(),))
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to_expire = []
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async with csr as cursor:
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async for row in cursor:
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rid, remind_timestamp, created_timestamp, reminder_text, _, extra = row
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try:
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remind_timestamp = datetime.utcfromtimestamp(remind_timestamp)
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created_timestamp = datetime.utcfromtimestamp(created_timestamp)
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extra = json.loads(extra)
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uid = extra["author_id"]
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text = f"<@{uid}> Reminder queued at {util.format_time(created_timestamp)}: {reminder_text}"
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channel = bot.get_channel(extra["channel_id"])
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await channel.send(text)
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to_expire.append(rid)
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except Exception as e:
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logging.warning("Could not send reminder %d", rid, exc_info=e)
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for expiry_id in to_expire:
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logging.info("Expiring reminder %d", expiry_id)
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await database.execute("UPDATE reminders SET expired = 1 WHERE id = ?", (expiry_id,))
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await database.commit()
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@bot.command(help="Get some information about the bot.")
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async def about(ctx):
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await ctx.send("""**AutoBotRobot: The least useful Discord bot ever designed.**
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AutoBotRobot has many features, but not necessarily any practical ones.
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It can execute code via TIO.run, do reminders, print fortunes, and not any more!
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AutoBotRobot is open source - the code is available at <https://github.com/osmarks/autobotrobot> - and you could run your own instance if you wanted to and could get around the complete lack of user guide or documentation.
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You can also invite it to your server: <https://discordapp.com/oauth2/authorize?&client_id=509849474647064576&scope=bot&permissions=68608>
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""")
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async def admin_check(ctx):
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if not await bot.is_owner(ctx.author):
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await ctx.send(embed=error_embed(f"{ctx.author.name} is not in the sudoers file. This incident has been reported."))
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return False
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return True
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@bot.group()
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@commands.check(admin_check)
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async def magic(ctx):
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if ctx.invoked_subcommand == None:
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return await ctx.send("Invalid magic command.")
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@magic.command(rest_is_raw=True)
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async def py(ctx, *, code):
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code = util.extract_codeblock(code)
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try:
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loc = {
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**locals(),
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"bot": bot,
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"ctx": ctx,
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}
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result = await asyncio.wait_for(util.async_exec(code, loc, globals()), timeout=5.0)
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if result != None:
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await ctx.send("```\n" + repr(result).replace("```", "\\`\\`\\`")[:1900] + "\n```")
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except TimeoutError:
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await ctx.send(embed=error_embed("Timed out."))
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except BaseException as e:
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await ctx.send("Error:\n```\n" + traceback.format_exc().replace("```", "\\`\\`\\`")[:1900] + "\n```")
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@magic.command(rest_is_raw=True)
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async def sql(ctx, *, code):
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code = util.extract_codeblock(code)
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try:
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csr = database.execute(code)
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out = ""
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async with csr as cursor:
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async for row in cursor:
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out += " ".join(map(repr, row)) + "\n"
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await ctx.send("```\n" + out[:1990] + "```")
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await database.commit()
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except Exception as e:
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await ctx.send(embed=error_embed("```\n" + traceback.format_exc() + "```"))
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@bot.event
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async def on_ready():
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logging.info("Connected as " + bot.user.name)
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await bot.change_presence(status=discord.Status.online, activity=discord.Activity(type=discord.ActivityType.listening, name=f"commands beginning with {config['prefix']}"))
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remind_worker.start()
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async def run_bot():
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global database
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database = await db.init(config["database"])
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await bot.start(config["token"])
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if __name__ == '__main__':
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loop = asyncio.get_event_loop()
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try:
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loop.run_until_complete(run_bot())
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except KeyboardInterrupt:
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remind_worker.cancel()
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loop.run_until_complete(bot.logout())
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finally:
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loop.close()
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