224 lines
11 KiB
Python
224 lines
11 KiB
Python
import asyncio
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import re
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import discord
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import os
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import sqlite3
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from yt_dlp import YoutubeDL
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from redbot.core import commands, checks, Config, data_manager
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class MusicDownloader(commands.Cog):
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def __init__(self, bot):
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self.bot = bot
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self.config = Config.get_conf(self, identifier=475728338)
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self.config.register_global(
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save_directory = str(data_manager.cog_data_path()) + f"{os.sep}MusicDownloader"
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)
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class UserBlacklisted(Exception):
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def __init__(self, message="The user is blacklisted from using this command."):
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super().__init__(message)
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def create_table(self):
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data_path = str(data_manager.cog_data_path()) + f"{os.sep}MusicDownloader"
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db_path = os.path.join(data_path, "database.db")
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if not os.path.isfile(db_path):
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con = sqlite3.connect(db_path)
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cur = con.cursor()
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cur.execute('''
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CREATE TABLE [IF NOT EXISTS] "blacklist_log" (
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"user_id" INTEGER NOT NULL UNIQUE,
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"reason" TEXT DEFAULT NULL,
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PRIMARY KEY("user_id")
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);
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''')
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con.commit()
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con.close()
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def blacklist_checker(self, user_id):
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data_path = str(data_manager.cog_data_path()) + f"{os.sep}MusicDownloader"
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db_path = os.path.join(data_path, "database.db")
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con = sqlite3.connect(db_path)
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cur = con.cursor()
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cur.execute(f"SELECT user_id, reason FROM blacklist_log WHERE user_id = ?;", (user_id,))
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result = cur.fetchone()
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con.close()
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if result:
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user_id, reason = result
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raise self.UserBlacklisted(reason)
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async def cog_load(self):
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self.create_table()
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@commands.command()
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@checks.is_owner()
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async def change_data_path(self, ctx: commands.Context, *, data_path: str = None):
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"""This command changes the data path the `[p]download` command outputs to."""
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old_path = await self.config.save_directory()
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if not data_path:
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await ctx.send(f"The current data path is `{old_path}`.")
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return
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if os.path.isdir(data_path):
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await self.config.save_directory.set(data_path)
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embed=discord.Embed(color=await self.bot.get_embed_color(None), description=f"The save directory has been set to `{data_path}`.\n It was previously set to `{old_path}`.")
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await ctx.send(embed=embed)
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elif os.path.isfile(data_path):
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await ctx.send("The path you've provided leads to a file, not a directory!")
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elif os.path.exists(data_path) is False:
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await ctx.send("The path you've provided doesn't exist!")
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@commands.command(aliases=["dl"])
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async def download(self, ctx: commands.Context, url: str, delete: bool = False, subfolder: str = None):
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"""This command downloads a YouTube Video as an `m4a` and uploads the file to discord.
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If you're considered a bot owner, you will be able to save downloaded files to the data path set in the `[p]change_data_path` command.
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**Arguments**
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- The `url` argument is just the url of the YouTube Video you're downloading.
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- The `delete` argument will automatically delete the audio file after uploading it to Discord. If set to False, it will only save the file if you are a bot owner.
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- The `subfolder` argument only does anything if `delete` is set to False, but it allows you to save to a subfolder in the data path you've set previously without having to change said data path manually."""
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try:
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self.blacklist_checker(ctx.author.id)
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except self.UserBlacklisted as e:
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await ctx.send(f"You are blacklisted from running this command!\nReason: `{e}`")
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return
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def youtube_download(self, url: str, path: str, message: discord.Message):
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"""This function does the actual downloading of the YouTube Video."""
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class Logger:
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def debug(self, msg):
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if msg.startswith('[debug] '):
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pass
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else:
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self.info(msg)
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def info(self, msg):
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pass
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def warning(self, msg):
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pass
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def error(self, msg):
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print(msg)
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message.edit(msg)
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ydl_opts = {
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'logger': Logger(),
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'format': 'm4a/bestaudio/best',
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'postprocessors': [{'key': 'FFmpegExtractAudio', 'preferredcodec': 'm4a',}],
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'paths': {'home': path},
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'verbose': True
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}
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with YoutubeDL(ydl_opts) as ydl:
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info = ydl.extract_info(url=url, download=False)
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title = info['title']
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id = info['id']
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filename = title + f' [{id}].m4a'
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full_filename = os.path.join(data_path, filename)
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if os.path.isfile(full_filename):
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previously_existed = True
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else:
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with YoutubeDL(ydl_opts) as ydl:
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error_code = ydl.download(url)
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previously_existed = False
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return filename, previously_existed
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data_path = await self.config.save_directory()
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if subfolder and await self.bot.is_owner(ctx.author):
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data_path = os.path.join(data_path, subfolder)
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illegal_chars = r'<>:"/\|?*'
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if any(char in illegal_chars for char in subfolder):
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pattern = "[" + re.escape(illegal_chars) + "]"
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modified_subfolder = re.sub(pattern, r'__**\g<0>**__', subfolder)
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await ctx.send(f"Your subfolder contains illegal characters: `{modified_subfolder}`")
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return
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elif os.path.isfile(data_path):
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await ctx.send("Your 'subfolder' is a file, not a directory!")
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return
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elif os.path.exists(data_path) is False:
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message = await ctx.send("Your subfolder does not exist yet, would you like to continue? It will be automatically created.")
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def check(message):
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return message.author == ctx.author and message.content.lower() in ['yes', 'ye', 'y']
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try:
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await self.bot.wait_for('message', check=check, timeout=60) # Timeout after 60 seconds
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except asyncio.TimeoutError:
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await message.edit("You took too long to respond.")
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else:
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await message.edit("Confirmed!")
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try:
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os.makedirs(data_path)
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except OSError as e:
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await message.edit(f"Encountered an error attempting to create the subfolder!\n`{e}`")
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msg = message.edit
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else:
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msg = ctx.send
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message = await msg("YouTube Downloader started!")
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ytdlp_output = youtube_download(self, url, data_path, message)
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full_filename = os.path.join(data_path, ytdlp_output[0])
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while not os.path.isfile(full_filename):
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await asyncio.sleep(0.5)
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if os.path.isfile(full_filename):
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with open(full_filename, 'rb') as file:
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try:
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complete_message = await ctx.send(content="YouTube Downloader completed!\nDownloaded file:", file=discord.File(file, ytdlp_output[0]))
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except ValueError:
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complete_message = await ctx.send(content="YouTube Downloader completed, but the audio file was too large to upload.")
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return
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file.close()
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if delete is True or await self.bot.is_owner(ctx.author) is False:
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if ytdlp_output[1] is False:
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os.remove(full_filename)
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await complete_message.edit(content="YouTube Downloader completed!\nFile has been deleted from Galaxy.\nDownloaded file:")
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@commands.group(name="dl-blacklist", invoke_without_command=True)
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async def blacklist(self, ctx: commands.Context, user: discord.User = None):
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"""Group command for managing the blacklist."""
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if not user:
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user = ctx.author
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data_path = str(data_manager.cog_data_path()) + f"{os.sep}MusicDownloader"
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db_path = os.path.join(data_path, "database.db")
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if user is None:
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await ctx.send("Please provide a user to check in the blacklist.")
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return
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con = sqlite3.connect(db_path)
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cur = con.cursor()
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cur.execute("SELECT user_id, reason FROM blacklist_log WHERE user_id = ?;", (user.id,))
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result = cur.fetchone()
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if result:
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user_id, reason = result
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await ctx.send(f"{user.mention} is in the blacklist for the following reason: `{reason}`", allowed_mentions = discord.AllowedMentions(users=False))
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else:
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await ctx.send(f"{user.mention} is not in the blacklist.", allowed_mentions = discord.AllowedMentions(users=False))
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con.close()
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@blacklist.command(name='add')
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@checks.is_owner()
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async def blacklist_add(self, ctx: commands.Context, user: discord.User, *, reason: str = None):
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data_path = str(data_manager.cog_data_path()) + f"{os.sep}MusicDownloader"
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db_path = os.path.join(data_path, "database.db")
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con = sqlite3.connect(db_path)
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cur = con.cursor()
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cur.execute("SELECT user_id FROM blacklist_log WHERE user_id = ?;", (user.id,))
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result = cur.fetchone()
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if result:
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await ctx.send("User is already in the blacklist.")
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con.close()
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return
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cur.execute("INSERT INTO blacklist_log (user_id, reason) VALUES (?, ?);", (user.id, reason))
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con.commit()
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con.close()
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await ctx.send(f"{user.mention} has been added to the blacklist with the reason: `{reason or 'No reason provided.'}`")
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@blacklist.command(name='remove')
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@checks.is_owner()
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async def blacklist_remove(self, ctx: commands.Context, user: discord.User):
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data_path = str(data_manager.cog_data_path()) + f"{os.sep}MusicDownloader{os.sep}Data"
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db_path = os.path.join(data_path, "database.db")
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con = sqlite3.connect(db_path)
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cur = con.cursor()
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cur.execute("SELECT user_id FROM blacklist_log WHERE user_id = ?;", (user.id,))
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result = cur.fetchone()
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if not result:
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await ctx.send("User is not in the blacklist.")
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con.close()
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return
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cur.execute("DELETE FROM blacklist_log WHERE user_id = ?;", (user.id,))
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con.commit()
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con.close()
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await ctx.send(f"{user.mention} has been removed from the blacklist.")
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