import discord from discord.ext.commands import Cog, command, Context from discord.ext.pages import Paginator import asyncio # used to run async functions within regular functions import subprocess # for running ffprobe and getting duration of files from os import getenv, path, makedirs from time import time # performance tracking import random # for shuffling the queue import math # for ceiling function in queue pages from functools import partial import logging if not path.exists('.logs'): makedirs('.logs') logger = logging.getLogger(__name__) logger.setLevel(logging.WARNING) fh = logging.FileHandler('.logs/music.log') formatter = logging.Formatter('%(asctime)s | %(name)s | [%(levelname)s] %(message)s', '%Y-%m-%d %H:%M:%S') fh.setFormatter(formatter) if not len(logger.handlers): logger.addHandler(fh) def setup(bot: discord.Bot): bot.add_cog(Music(bot)) def format_time(d: int) -> str: """Convert seconds to timestamp""" h = d // 3600 m = d % 3600 // 60 s = d % 60 if h: return '{}:{:02}:{:02}'.format(h,m,s) return '{}:{:02}'.format(m,s) def format_date(d: str) -> str: """Convert YYYYMMDD to YYYY/MM/DD""" return f"{d[:4]}/{d[4:6]}/{d[6:]}" class Track: def __init__( self, *, source: str, requester: discord.User, title: str = None, original_url: str = None, duration = None, author: str = None, author_icon: str = None, data: dict = None, ): self.source = source self.requester = requester self.title = title self.original_url = original_url self.duration = duration self.author = author self.data = data def __repr__(self): return f" bytes: data = self.original.read() if data: self.packets_read += 1 return data @property def elapsed(self) -> float: return self.packets_read * 0.02 # each packet is 20ms @property def progress(self) -> str: elapsed = format_time(int(self.elapsed)) duration = format_time(int(self.duration)) if self.duration else "?:??" return f"{elapsed} / {duration}" @property def length(self) -> str: return format_time(int(self.duration)) class Music(Cog): """Play audio within a voice channel.""" REPEAT_NONE = 0 REPEAT_ONE = 1 REPEAT_ALL = 2 MAX_RESULTS = 5 PAGE_SIZE = 10 def __init__(self, bot: discord.Bot): self.bot: discord.Bot = bot self.q: list[Track] = [] # queue self.track: Track | None = None self.repeat_mode = Music.REPEAT_NONE self.search_results: dict = None self.i: int = -1 # initial value used for repeat mode self.h: list[Track] = [] # history print("Initialized Music cog") @command(aliases=['start', 'summon', 'connect']) async def join(self, ctx: Context, *, channel: discord.VoiceChannel = None): """Joins a voice channel""" logger.info(f".join {channel}" if channel else ".join") if not channel: # Upon a raw "join" command without a channel specified, if not ctx.author.voice: msg = await ctx.send( "You must either be in a voice channel, " "or specify a voice channel in order to use this command" ) if msg: logger.info(f"Message sent: no channel specified, and {ctx.author} is not in a voice channel") return channel = ctx.author.voice.channel # bind to your current vc channel. if ctx.voice_client: # If the bot is in a different channel, await ctx.voice_client.move_to(channel) # move to your channel. logger.info(f"existing voice client moved to {channel}") return voice_client = await channel.connect() # Finally, join the chosen channel. if voice_client: logger.info("voice client created") @command(aliases=['quit', 'dismiss', 'disconnect']) async def leave(self, ctx: Context): """Stop+disconnect from voice""" logger.info(".leave") if ctx.voice_client: await ctx.voice_client.disconnect() logger.info("voice client disconnected") def get_duration_from_file(self, filename: str): cmd = subprocess.run( [ 'ffprobe', '-v', 'error', '-show_entries', 'format=duration', '-of', 'default=noprint_wrappers=1:nokey=1', filename ], stdout=subprocess.PIPE, stderr=subprocess.STDOUT ) return float(cmd.stdout) async def get_tracks_from_query(self, ctx: Context, query: str): logger.debug(f"get_tracks_from_query() called for query: {query}") # Detect if the track should be downloaded download = False if query.endswith('!dl'): download = True query = query[:-3] elif query.endswith('!download'): download = True query = query[:-9] # Handle attachment playback if query == "file": logger.info(f"getting tracks from attachment") return await self.get_tracks_from_attachments(ctx) # Handle online playback elif query.startswith('http'): logger.info(f"getting tracks from url") return await self.get_tracks_from_url(ctx, query, download=download) # Handle local playback elif tracks := await self.get_tracks_from_path(ctx, query): logger.info(f"getting tracks from path to local file") return tracks # Do a youtube search if not found and no prior search elif not self.search_results: logger.info(f"performing a search result") return await self.search_youtube(ctx, query=query) # Handle prior search try: i = int(query) - 1 except ValueError: logger.info(f"performing a search result") return await self.search_youtube(ctx, query=query) if i not in range(self.MAX_RESULTS + 1): return await ctx.send(f"Please provide an integer between 1 and {self.MAX_RESULTS}") url = f"https://youtube.com/watch?v={self.search_results[i]['id']}" self.search_results = [] self.query = "" logger.info(f"handling a prior search") return await self.get_tracks_from_url(ctx, url) async def get_tracks_from_url(self, ctx: Context, url: str, download: bool = False): logger.debug(f"get_tracks_from_url() called for URL: {url}") try: data = ytdl.extract_info(url, download=download) # logger.debug(f"{data=}") # Detect tabs if data['extractor'] == 'youtube:tab' and not "entries" in data: logger.info("youtube:tab detected, no entries in data (so not a playlist)") data = ytdl.extract_info(data['url'], download=download) # process the playlist url logger.debug(f"{data=}") except Exception as e: logger.error("Exception thrown!") logger.error(f"{e=}") return e # Detect playlists entries = [data] # Assume that there is only one song. if "entries" in data: # If we're wrong, just overwrite our singlet list. entries = data["entries"] # yapf: disable # Create Track objects tracks = [] for entry in entries: source = entry["url"] original_url = entry.get("original_url") title = entry.get("title", "(no title)") duration = None data = entry if not "duration" in data and not "duration_string" in data: logger.info("duration not found in entry's extracted data -- refetching") logger.debug(f"{data=}") start = time() data = ytdl.extract_info(url, download=download) logger.info(f"Refetching data took {time() - start} seconds") if "duration" in data: duration = data["duration"] elif "duration_string" in data: d = [int(x) for x in data["duration_string"].split(':')] if len(d) == 2: m,s = d h = 0 elif len(d) == 3: h,m,s = d duration = s + 60*m + 3600*h tracks.append( Track( source=source, original_url=original_url, requester=ctx.message.author, title=title, duration=duration, data=data ) ) logger.info(f"Got {len(tracks)} track(s) from URL") logger.debug(f"{tracks=}") return tracks async def get_tracks_from_path(self, ctx: Context, query: str): """Attempt to load a local file from path""" logger.debug(f"get_tracks_from_path() called for query: {query}") if "/.." in query: return None filename = f"sounds/normalized/{query}" try: player = discord.FFmpegPCMAudio(filename) except: return None if player.read(): logger.info("filename is readable from path") return [ Track( source=filename, requester=ctx.message.author, title=query, duration=self.get_duration_from_file(filename) ) ] return None async def get_tracks_from_attachments(self, ctx: Context): """Fetch the attachment URL and convert it to a track""" logger.debug(f"get_tracks_from_attachment() called") attachments = ctx.message.attachments tracks = [] for attachment in attachments: try: track = await self.get_tracks_from_url(ctx, attachment.url, download=False) tracks += track except Exception as e: logger.error("Exception thrown!") logger.error(f"{e=}") msg = await ctx.send( f"An error occurred while adding `{attachment.filename}`:\n" f"```{e.exc_info[1]}```" ) if msg: logger.warning("Message sent: An error occurred while adding `{attachment.filename}`") return e logger.debug(f"{tracks=}") return tracks @command(name='search') async def search_youtube(self, ctx: Context, *, query: str): """Do a YouTube search for the given query""" logger.debug(f"search_youtube() called for query: {query}") try: self.query = query self.search_results = YoutubeSearch(query, max_results=MAX_RESULTS).to_dict() except Exception as e: logger.error("Exception thrown!") logger.error(f"{e=}") msg = await ctx.send( f"An error occurred while searching for `{query}`:\n" f"```{e.exc_info[1]}```" ) if msg: logger.warning(f"Message sent: An error occurred while searching for `{query}`") return e await self.results(ctx) @command() async def results(self, ctx: Context): """Show results of a prior search""" logger.debug(f"results() called") if not self.search_results: logger.info("No stored search results") msg = await ctx.send("There are no stored search results right now.") if msg: logger.warning("Message sent: There are no stored search results right now.") return embeds = [] formatted_results = ( f"Performed a search for `{self.search_results['id']}`.\n" "Which track would you like to play?\n" "Make your choice using the `play` command, e.g. `.play 1`.\n\n" ) for i, result in enumerate(self.search_results['entries']): result: dict title = result.get('title', '') duration = result.get('duration', '?:??') uploader = result.get('channel', '') views = result.get('views', '??? views') date = result.get('publish_time', 'some time ago') image = result.get('thumbnails', [None])[-1] url = f"https://youtube.com/watch?v={result.get('id', '')}" formatted_results += ( f"{i+1}: **{title}**\n" f"{uploader} - {views} ({duration})\n" ) embeds.append( discord.Embed( title = title, description = f"Uploaded by {uploader} {date}\n{duration} - {views}", url = url, type = 'image', colour = 0xff0000, ).set_thumbnail( url = image, ) ) msg = await ctx.send(formatted_results, embeds = embeds) if msg: logger.info("Message sent: formatted_results") async def play_next(self, ctx: Context): logger.debug("play_next() called") if not ctx.voice_client: return if ctx.voice_client.is_playing(): return logger.info(f"{self.track=}") if self.repeat_mode == Music.REPEAT_NONE: if not self.q: return await ctx.send("Finished playing queue.") self.track = self.q.pop(0) logger.info("Repeat none -- popped track from queue") elif self.repeat_mode == Music.REPEAT_ONE: self.track = self.track logger.info("Repeat one -- keeping track the same") elif self.repeat_mode == Music.REPEAT_ALL: self.i += 1 if self.i >= len(self.q): self.i = 0 self.track = self.q[self.i] logger.info("Repeat all -- advancing pointer without popping track") logger.info(f"{self.track=}") if self.track.source.startswith('http'): # detect private or unplayable videos here try: data = ytdl.extract_info(self.track.source, download=False) logger.debug(f"{data=}") except Exception as e: logger.error("Exception thrown!") logger.error(f"{e=}") await ctx.send( f"`{self.track.source}` is unplayable -- skipping...\n" f"```{e.exc_info[1]}```" ) logger.warning(f"Skipping as unplayable: {self.track.source}") return await self.play_next(ctx) player = await Player.prepare_stream(self.track, loop = self.bot.loop) else: player = await Player.prepare_file(self.track, loop = self.bot.loop) logger.info("playing Player on the voice client") self.h += [self.track] if not discord.opus.is_loaded(): try: discord.opus.load_opus("/usr/lib/libopus.so") except: logger.error("opus could not be loaded!") ctx.voice_client.play( player, after=lambda e: self.after(ctx) ) def after(self, ctx: Context): logger.debug("after() called") if not ctx.voice_client: logger.info("no voice client -- bot was disconnected from vc?") self.track = None self.q = [] asyncio.run_coroutine_threadsafe( ctx.send(f"Clearing queue after bot left VC"), self.bot.loop ).result() logger.info("Cleared queue after bot left VC") return if not self.q and self.repeat_mode == Music.REPEAT_NONE: logger.info("queue empty and not repeating") self.track = None asyncio.run_coroutine_threadsafe( ctx.send(f"Finished playing queue."), self.bot.loop ).result() logger.info("Finished playing queue.") return if self.q and ctx.voice_client and not ctx.voice_client.is_playing(): logger.info("queue exists and voice client is not playing") logger.debug(f"{self.q=}") logger.info("playing next...") asyncio.run_coroutine_threadsafe( self.play_next(ctx), self.bot.loop ).result() return def check_for_numbers(self, ctx: Context): """anti numbers action""" logger.debug("check_for_numbers() called") NUMBERS = 187024083471302656 PIZZA = 320294046935547905 RICKY = 949503750651936828 if ctx.author.id in [ NUMBERS, PIZZA, ]: return False #if ctx.author.id != NUMBERS: # return False # if ctx.author.voice: # members = ctx.author.voice.channel.members # current_vc_members = {member.id for member in members} # other_members = current_vc_members - {NUMBERS} - {RICKY} # return (NUMBERS in current_vc_members) and not other_members return True async def add_to_queue(self, ctx: Context, query: str, top: bool = False ): logger.debug(f"add_to_queue({query}) called") # Check for permission to add tracks # allowed = self.check_for_numbers(ctx) # if not allowed: # logger.info(f"{ctx.author} is not allowed to add to queue") # #return await ctx.send( # #"You must be in a voice chat by yourself " # #"in order to use this command." # #) # return await ctx.send("No 💜") # Ensure we are connected to voice if not ctx.voice_client: logger.warning("no voice client") if ctx.author.voice: logger.info(f"moving voice client to {ctx.author.voice.channel}") await ctx.author.voice.channel.connect() else: msg = await ctx.send( "You are not connected to a voice channel. " "Use the `join` command with a specified channel " "or while connected to a channel before trying to " "play any tracks." ) if msg: logger.info("Message sent: author not in voice, and no voice client exists") return # Guard against errors tracks = await self.get_tracks_from_query(ctx, query) if isinstance(tracks, Exception): msg = await ctx.send( f"An error occurred while trying to add `{query}` to the queue:\n" f"```{tracks}```" ) if msg: logger.warning(f"Message sent: An error occurred while trying to add `{query}` to the queue") return if not tracks: # a search was performed instead return # Add track(s) to queue if top: self.q = tracks + self.q else: self.q = self.q + tracks if ctx.voice_client.is_playing(): if top: msg = await ctx.send(f"Added **{len(tracks)}** track(s) to top of queue.") if msg: logger.info(f"Message sent: Added **{len(tracks)}** track(s) to top of queue.") return else: msg = await ctx.send(f"Added **{len(tracks)}** track(s) to queue.") if msg: logger.info(f"Message sent: Added **{len(tracks)}** track(s) to queue.") return # If not playing, start playing if len(self.q) == 1: msg = await ctx.send(f"Playing **{self.q[0].title}**") if msg: logger.info(f"Message sent: Playing **{self.q[0].title}**") else: msg = await ctx.send(f"Playing {len(tracks)} tracks.") if msg: logger.info(f"Message sent: Playing {len(tracks)} tracks.") await self.play_next(ctx) @command(aliases=['p', 'listen']) async def play(self, ctx: Context, *, query: str = ""): """Add track(s) to queue""" if not query: msg = await ctx.send("No query detected") if msg: logger.info("Empty .play command was issued") return logger.info(f".play {query}") return await self.add_to_queue(ctx, query, top=False) @command(aliases=['ptop', 'top']) async def playtop(self, ctx: Context, *, query: str = ""): """Add tracks to top of queue""" if not query: msg = await ctx.send("No query detected") if msg: logger.info("Empty .playtop command was issued") return logger.info(f".playtop {query}") return await self.add_to_queue(ctx, query, top=True) # TODO: repeat once, repeat all, repeat none (repeat/loop command) # TODO: move positions of songs? # TODO: cleanup command for clearing songs requested by users not in vc? # TODO: remove duplicates? # TODO: remove range of songs # TODO: restart current song # TODO: seek command? [no fuckin idea how] # TODO: skip multiple songs? # TODO: autoplay???? [???????????] # TODO: filters? bass boost? nightcore? speed? [probs not] @command(aliases=['q']) async def queue(self, ctx: Context, p: int = 1): """Show tracks up next""" logger.info(f".queue {p}" if p else ".queue") # check that there is a queue and a current track if not self.q and not self.track: msg = await ctx.send("The queue is currently empty.") if msg: logger.info("Message sent: The queue is currently empty.") return # paginate the queue to just one page full_queue = [self.track] + self.q start = self.PAGE_SIZE * (p-1) end = self.PAGE_SIZE * p queue_page = full_queue[start:end] # construct header formatted_results = f"{len(self.q)} tracks on queue.\n" total_pages = math.ceil(len(full_queue) / self.PAGE_SIZE) formatted_results += f"Page {p} of {total_pages}:\n" # construct page for i, track in enumerate(queue_page): if p == 1 and i == 0: # print nowplaying on first queue page formatted_results += "=== Currently playing ===\n" formatted_results += ( f"{start+i+1}: {track}\n" ) if p == 1 and i == 0: # add separator on first page for actually queued tracks formatted_results += "=== Up next ===\n" # send text to channel msg = await ctx.send(formatted_results) if msg: logger.info("Message sent: Sent queue page to channel") @command(aliases=['h']) async def history(self, ctx: Context, limit: int = 10): """Show recent actions""" logger.info(f".history {limit}" if limit else ".history") if not self.h: msg = await ctx.send("No available history in this session.") if msg: logger.info("Message sent: No available history in this session.") return page = self.h[-limit:] formatted_results = f"Last {len(page)} tracks played:\n" for i, entry in enumerate(page): formatted_results += ( f"{i - len(page)}: {entry}\n" ) msg = await ctx.send(formatted_results) if msg: logger.info("Message sent: Sent history page to channel") @command(aliases=['np']) async def nowplaying(self, ctx: Context): """Show currently playing track""" logger.info(".nowplaying") if not self.track: msg = await ctx.send("Nothing is currently playing") if msg: logger.info("Nothing is currently playing") return if not ctx.voice_client: msg = await ctx.send("Bot is not currently connected to a voice channel") if msg: logger.info("Bot not connected to VC") return source: Player = ctx.voice_client.source embed = discord.Embed( title=f"{self.track.title}", url=f"{self.track.original_url}" if self.track.original_url else None, ).add_field( name="Progress", value=f"{source.progress}", ).set_footer( text=f"Requested by {self.track.requester.display_name} ({self.track.requester})", icon_url=f"{self.track.requester.display_avatar.url}", ) thumb = None if self.track.data and "thumbnail" in self.track.data: thumb = self.track.data['thumbnail'] elif self.track.data and "thumbnails" in self.track.data: thumb = self.track.data['thumbnails'][0]['url'] if thumb: embed.set_thumbnail( url=thumb ) msg = await ctx.send( f"Now playing:\n{self.track}", embed = embed ) if msg: logger.info(f"Message sent: Now playing: {self.track.title}") @command() async def skip(self, ctx: Context): """Start playing next track""" logger.info(".skip") if ctx.voice_client.is_playing(): if self.track: msg = await ctx.send(f"Skipping: {self.track.title}") if msg: logger.info(f"Message sent: Skipping: {self.track.title}") ctx.voice_client.stop() @command() async def remove(self, ctx: Context, i: int): """Remove track at given position""" logger.info(f".remove {i}") i -= 2 # convert to zero-indexing and also the np track is popped logger.warning(f"trying to pop index {i}") logger.warning(f"{self.q[i]=}") track = self.q.pop(i) msg = await ctx.send(f"Removed: {track.title}") if msg: logger.info(f"Message sent: Removed: {track.title}") @command() async def pause(self, ctx: Context): """Pause the currently playing track""" logger.info(".pause") if ctx.voice_client.is_playing(): ctx.voice_client.pause() msg = await ctx.send("Playback is paused.") if msg: logger.info("Message sent: Playback is paused.") @command() async def resume(self, ctx: Context): """Resume playback of a paused track""" logger.info(".resume") if ctx.voice_client.is_paused(): ctx.voice_client.resume() msg = await ctx.send("Playback is resumed.") if msg: logger.info("Message sent: Playback is resumed.") @command() async def shuffle(self, ctx: Context): """Randomizes the current queue""" logger.info(".shuffle") if not self.q: return await ctx.send("There is no queue to shuffle") logger.debug(f"{self.track=}") logger.debug(f"{self.q=}") random.shuffle(self.q) logger.debug(f"{self.track=}") logger.debug(f"{self.q=}") msg = await ctx.send("Queue has been shuffled") if msg: logger.info("Message sent: Queue has been shuffled") @command() async def stop(self, ctx: Context): """Clear queue and stop playing""" logger.info(".stop") self.q = [] self.track = None if ctx.voice_client: if ctx.voice_client.is_connected(): ctx.voice_client.stop() msg = await ctx.send("Stopped playing tracks and cleared queue.") if msg: logger.info("Message sent: Stopped playing tracks and cleared queue.") @command() async def clear(self, ctx: Context): """Clear queue, but keep playing""" logger.info(".clear") self.q = [] msg = await ctx.send("Queue has been cleared.") if msg: logger.info("Message sent: Queue has been cleared.") @command() async def refresh(self, ctx: Context): """Reset bot to fresh state""" logger.info(".refresh") self.q = [] self.track = [] self.h = [] msg = await ctx.send("Music bot has been refreshed") if msg: logger.info("Message sent: Bot has been refreshed") @command(aliases=['v', 'vol']) async def volume(self, ctx: Context, volume: int): """Changes the player's volume""" logger.info(f".volume {volume}") if ctx.voice_client is None: return await ctx.send("Not connected to a voice channel.") if volume not in range(101): return await ctx.send(f"Please use an integer from 0 to 100") ctx.voice_client.source.volume = volume / 100 await ctx.send(f"Changed volume to {volume}%") @command(aliases=['list']) async def catalogue(self, ctx: Context, subdirectory: str = ""): """Shows the available local files""" logger.info(f".catalogue {subdirectory}" if subdirectory else ".catalogue") if "../" in subdirectory: return await ctx.send(f"Nice try, but that won't work.") path = "." if subdirectory: path += f"/{subdirectory}" cmd = subprocess.run( f"cd sounds/normalized && find {path} -type f | sort", shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT ) results = cmd.stdout.decode('utf-8').split('\n')[:-1] formatted_results = "```" for result in results: formatted_results += f"{result[2:]}\n" formatted_results += "```" await ctx.send(formatted_results) """ Initialize youtube-dl service. """ import yt_dlp as youtube_dl youtube_dl.utils.bug_reports_message = lambda: "" ytdl_format_options = { "format": "bestaudio/best", "outtmpl": ".cache/%(extractor)s-%(id)s-%(title)s.%(ext)s", "restrictfilenames": True, "noplaylist": True, "nocheckcertificate": True, "ignoreerrors": False, "logtostderr": False, "quiet": True, "no_warnings": True, "default_search": "auto", # "source_address": "0.0.0.0", # Bind to ipv4 since ipv6 addresses cause issues "extract_flat": True, # massive speedup for fetching metadata, at the cost of no upload date } username = getenv("YOUTUBE_USERNAME") password = getenv("YOUTUBE_PASSWORD") ytdl = youtube_dl.YoutubeDL(ytdl_format_options)