Red-DiscordBot/cogs/audio.py
Twentysix e738c8a40f Typo
2016-02-07 23:23:14 +01:00

614 lines
25 KiB
Python

import discord
from discord.ext import commands
import asyncio
import threading
import youtube_dl
import os
from random import choice as rndchoice
from random import shuffle
from .utils.dataIO import fileIO
from .utils import checks
import glob
import re
import aiohttp
from bs4 import BeautifulSoup
import __main__
import json
if not discord.opus.is_loaded():
discord.opus.load_opus('libopus-0.dll')
main_path = os.path.dirname(os.path.realpath(__main__.__file__))
settings = {"VOLUME" : 0.5, "MAX_LENGTH" : 3700, "QUEUE_MODE" : True}
youtube_dl_options = {
'format': 'bestaudio/best',
'extractaudio': True,
'audioformat': "mp3",
'outtmpl': '%(id)s',
'noplaylist': True,
'nocheckcertificate': True,
'ignoreerrors': True,
'quiet': True,
'no_warnings': True,
'outtmpl': "data/audio/cache/%(id)s"}
class Audio:
"""Music streaming."""
def __init__(self, bot):
self.bot = bot
self.music_player = EmptyPlayer()
self.queue_mode = False
self.queue = []
self.playlist = []
self.current = -1 #current track index in self.playlist
self.downloader = {"DONE" : False, "TITLE" : False, "ID" : False, "URL" : False, "DURATION" : False, "DOWNLOADING" : False}
self.quit_manager = False
self.skip_votes = []
self.sing = ["https://www.youtube.com/watch?v=zGTkAVsrfg8", "https://www.youtube.com/watch?v=cGMWL8cOeAU",
"https://www.youtube.com/watch?v=vFrjMq4aL-g", "https://www.youtube.com/watch?v=WROI5WYBU_A",
"https://www.youtube.com/watch?v=41tIUr_ex3g", "https://www.youtube.com/watch?v=f9O2Rjn1azc"]
@commands.command(pass_context=True, no_pm=True)
async def play(self, ctx, link : str):
"""Plays link
"""
if self.downloader["DOWNLOADING"]:
await self.bot.say("I'm already downloading a track.")
return
msg = ctx.message
if await self.check_voice(msg.author, msg):
if self.is_playlist_valid([link]): # reusing a function
if await self.is_alone_or_admin(msg.author):
self.queue = []
self.playlist = []
self.current = -1
await self.play_video(link)
else:
self.playlist = []
self.current = -1
if not self.queue: await self.bot.say("The link has been put into queue.")
self.queue.append(link)
else:
await self.bot.say("That link is not allowed.")
@commands.command(aliases=["title"])
async def song(self):
"""Shows song title
"""
if self.downloader["TITLE"]:
await self.bot.say(self.downloader["TITLE"])
else:
await self.bot.say("No title available.")
@commands.command(name="playlist", pass_context=True, no_pm=True)
async def _playlist(self, ctx, name : str): #some checks here
"""Plays saved playlist
"""
await self.start_playlist(ctx, name, random=False)
@commands.command(pass_context=True, no_pm=True)
async def mix(self, ctx, name : str): #some checks here
"""Plays saved playlist (shuffled)
"""
await self.start_playlist(ctx, name, random=True)
async def start_playlist(self, ctx, name, random=None):
if self.downloader["DOWNLOADING"]:
await self.bot.say("I'm already downloading a track.")
return
msg = ctx.message
name += ".txt"
if await self.check_voice(msg.author, msg):
if os.path.isfile("data/audio/playlists/" + name):
self.queue = []
self.current = -1
self.playlist = fileIO("data/audio/playlists/" + name, "load")["playlist"]
if random: shuffle(self.playlist)
self.music_player.stop()
@commands.command(pass_context=True, aliases=["next"], no_pm=True)
async def skip(self, ctx):
"""Skips song
"""
msg = ctx.message
if self.music_player.is_playing():
if await self.is_alone_or_admin(msg.author):
self.music_player.stop()
else:
await self.vote_skip(msg)
async def vote_skip(self, msg):
v_channel = msg.server.me.voice_channel
if msg.author.voice_channel.id == v_channel.id:
if msg.author.id in self.skip_votes:
await self.bot.say("You already voted.")
return
self.skip_votes.append(msg.author.id)
if msg.server.me.id not in self.skip_votes: self.skip_votes.append(msg.server.me.id)
current_users = []
for m in v_channel.voice_members:
current_users.append(m.id)
clean_skip_votes = [] #Removes votes of people no longer in the channel
for m_id in self.skip_votes:
if m_id in current_users:
clean_skip_votes.append(m_id)
self.skip_votes = clean_skip_votes
votes_needed = int((len(current_users)-1) / 2)
if len(self.skip_votes)-1 >= votes_needed:
self.music_player.stop()
self.skip_votes = []
return
await self.bot.say("You voted to skip. Votes: [{0}/{1}]".format(str(len(self.skip_votes)-1), str(votes_needed)))
@commands.command(pass_context=True, no_pm=True)
async def local(self, ctx, name : str):
"""Plays a local playlist"""
if self.downloader["DOWNLOADING"]:
await self.bot.say("I'm already downloading a track.")
return
msg = ctx.message
localplaylists = self.get_local_playlists()
if localplaylists and ("data/audio/localtracks/" not in name and "\\" not in name):
if name in localplaylists:
files = []
if glob.glob("data/audio/localtracks/" + name + "/*.mp3"):
files.extend(glob.glob("data/audio/localtracks/" + name + "/*.mp3"))
if glob.glob("data/audio/localtracks/" + name + "/*.flac"):
files.extend(glob.glob("data/audio/localtracks/" + name + "/*.flac"))
if await self.is_alone_or_admin(msg.author):
if await self.check_voice(msg.author, ctx.message):
self.queue = []
self.current = -1
self.playlist = files
self.music_player.stop()
else:
await self.bot.say("I'm in queue mode. Controls are disabled if you're in a room with multiple people.")
else:
await self.bot.say("There is no local playlist with that name.")
else:
await self.bot.say(message.channel, "There are no valid playlists in the localtracks folder.")
@commands.command(pass_context=True, no_pm=True)
async def loop(self, ctx):
"""Loops single song
"""
msg = ctx.message
if self.music_player.is_playing():
if await self.is_alone_or_admin(msg.author):
if self.playlist:
self.playlist = self.playlist[[self.current]]
elif self.queue:
self.playlist = self.playlist[[self.queue[0]]]
await self.bot.say("I will play this song on repeat.")
else:
await self.bot.say("I'm in queue mode. Controls are disabled if you're in a room with multiple people.")
@commands.command(pass_context=True, no_pm=True)
async def shuffle(self, ctx):
"""Shuffle playlist
"""
msg = ctx.message
if self.music_player.is_playing():
if await self.is_alone_or_admin(msg.author):
if self.playlist:
shuffle(self.playlist)
await self.bot.say("The order of this playlist has been mixed")
else:
await self.bot.say("I'm in queue mode. Controls are disabled if you're in a room with multiple people.")
@commands.command(pass_context=True, aliases=["previous"], no_pm=True) #TODO, PLAYLISTS
async def prev(self, ctx):
"""Previous song
"""
msg = ctx.message
if self.music_player.is_playing() and self.playlist:
if await self.is_alone_or_admin(msg.author):
self.current -= 2
if self.current == -1:
self.current = len(self.playlist) -3
elif self.current == -2:
self.current = len(self.playlist) -2
self.music_player.stop()
@commands.command(pass_context=True, no_pm=True)
async def stop(self, ctx):
"""Stops audio activity
"""
msg = ctx.message
if self.music_player.is_playing():
if await self.is_alone_or_admin(msg.author):
await self.close_audio()
else:
await self.bot.say("You can't stop music when there are other people in the channel! Vote to skip instead.")
else:
await self.close_audio()
async def close_audio(self):
self.queue = []
self.playlist = []
self.current = -1
self.music_player.stop()
await asyncio.sleep(1)
await self.bot.voice.disconnect()
@commands.command(name="queue", pass_context=True, no_pm=True) #check that author is in the same channel as the bot
async def _queue(self, ctx, link : str):
"""Add link to queue
"""
if await self.check_voice(ctx.message.author, ctx.message):
if not self.playlist:
self.queue.append(link)
await self.bot.say(self.queue)
else:
await self.bot.say("I'm already playing a playlist.")
async def is_alone_or_admin(self, author): #Direct control. fix everything
if not settings["QUEUE_MODE"]:
return True
elif discord.utils.get(author.roles, name=checks.settings["ADMIN_ROLE"]) is not None:
return True
elif discord.utils.get(author.roles, name=checks.settings["MOD_ROLE"]) is not None:
return True
elif len(author.voice_channel.voice_members) == 2:
return True
else:
return False
@commands.command(name="sing", pass_context=True, no_pm=True)
async def _sing(self, ctx):
"""Makes Red sing"""
if self.downloader["DOWNLOADING"]:
await self.bot.say("I'm already downloading a track.")
return
msg = ctx.message
if await self.check_voice(msg.author, msg):
if not self.music_player.is_playing():
self.queue = []
await self.play_video(rndchoice(self.sing))
else:
if await self.is_alone_or_admin(msg.author):
self.queue = []
await self.play_video(rndchoice(self.sing))
else:
await self.bot.say("I'm already playing music for someone else at the moment.")
@commands.group(name="list", pass_context=True)
async def _list(self, ctx):
"""Lists playlists"""
if ctx.invoked_subcommand is None:
await self.bot.say("Type help list for info.")
@_list.command(name="playlist", pass_context=True)
async def list_playlist(self, ctx):
msg = "Available playlists: \n\n```"
files = os.listdir("data/audio/playlists/")
if files:
for i, f in enumerate(files):
if f.endswith(".txt"):
if i % 4 == 0 and i != 0:
msg = msg + f.replace(".txt", "") + "\n"
else:
msg = msg + f.replace(".txt", "") + "\t"
msg += "```"
await self.bot.send_message(ctx.message.author, msg)
else:
await self.bot.say("There are no playlists.")
@_list.command(name="local", pass_context=True)
async def list_local(self, ctx):
msg = "Available local playlists: \n\n```"
dirs = self.get_local_playlists()
if dirs:
for i, d in enumerate(dirs):
if i % 4 == 0 and i != 0:
msg = msg + d + "\n"
else:
msg = msg + d + "\t"
msg += "```"
await self.bot.send_message(ctx.message.author, msg)
else:
await self.bot.say("There are no local playlists.")
@commands.group(pass_context=True)
@checks.mod_or_permissions()
async def audioset(self, ctx):
"""Changes audio module settings"""
if ctx.invoked_subcommand is None:
msg = "```"
for k, v in settings.items():
msg += str(k) + ": " + str(v) + "\n"
msg += "\nType help audioset to see the list of commands.```"
await self.bot.say(msg)
@audioset.command(name="queue")
async def queueset(self, status : str):
"""Enables/disables queue"""
global settings
status = status.lower()
if status == "on" or status == "true":
settings["QUEUE_MODE"] = True
await self.bot.say("Queue mode is now on.")
elif status == "off" or status == "false":
settings["QUEUE_MODE"] = False
await self.bot.say("Queue mode is now off.")
else:
await self.bot.say("Queue status can be either on or off.")
return
self.save_settings()
@audioset.command()
async def maxlength(self, length : int):
"""Maximum track length for requested links"""
global settings
settings["MAX_LENGTH"] = length
await self.bot.say("Maximum length is now " + str(length) + " seconds.")
self.save_settings()
@audioset.command()
async def volume(self, level : float):
"""Sets the volume (0-1)"""
global settings
if level >= 0 and level <= 1:
settings["VOLUME"] = level
await self.bot.say("Volume is now set at " + str(level) + ". It will take effect after the current track.")
self.save_settings()
else:
await self.bot.say("Volume must be between 0 and 1. Example: 0.40")
async def play_video(self, link):
self.downloader = {"DONE" : False, "TITLE" : False, "ID" : False, "URL": False, "DURATION" : False, "DOWNLOADING" : False}
if "https://" in link or "http://" in link:
path = "data/audio/cache/"
t = threading.Thread(target=self.get_video, args=(link,self,))
t.start()
else: #local
path = ""
self.downloader = {"DONE" : True, "TITLE" : link, "ID" : link, "URL": False, "DURATION" : False, "DOWNLOADING" : False}
while not self.downloader["DONE"]:
await asyncio.sleep(1)
if self.downloader["ID"]:
try:
self.music_player.stop()
self.music_player = self.bot.voice.create_ffmpeg_player(path + self.downloader["ID"], options='''-filter:a "volume={}"'''.format(settings["VOLUME"]))
self.music_player.start()
if path != "": await self.bot.change_status(discord.Game(name=self.downloader["TITLE"]))
except discord.errors.ClientException:
print("Error: I can't play music without ffmpeg. Install it.")
self.downloader = {"DONE" : False, "TITLE" : False, "ID" : False, "URL": False, "DURATION" : False, "DOWNLOADING" : False}
self.queue = []
self.playlist = []
except Exception as e:
print(e)
else:
pass
async def check_voice(self, author, message):
if self.bot.is_voice_connected():
v_channel = message.server.me.voice_channel
if author.voice_channel == v_channel:
return True
elif len(v_channel.voice_members) == 1:
if author.is_voice_connected():
if author.voice_channel.permissions_for(message.server.me).connect:
await self.bot.join_voice_channel(author.voice_channel)
return True
else:
await self.bot.say("I need permissions to join that voice channel.")
return False
else:
await self.bot.say("You need to be in a voice channel.")
return False
else:
if not self.playlist and not self.queue:
return True
else:
await self.bot.say("I'm already playing music for other people.")
return False
elif author.voice_channel:
if author.voice_channel.permissions_for(message.server.me).connect:
await self.bot.join_voice_channel(author.voice_channel)
return True
else:
await self.bot.say("I need permissions to join that voice channel.")
return False
else:
await self.bot.say("You need to be in a voice channel.")
return False
async def queue_manager(self):
while not self.quit_manager:
if self.queue and not self.music_player.is_playing():
new_link = self.queue[0]
self.queue.pop(0)
self.skip_votes = []
await self.play_video(new_link)
elif self.playlist and not self.music_player.is_playing():
if not self.current == len(self.playlist)-1:
self.current += 1
else:
self.current = 0
new_link = self.playlist[self.current]
self.skip_votes = []
await self.play_video(new_link)
await asyncio.sleep(1)
def get_video(self, url, audio):
try:
self.downloader["DOWNLOADING"] = True
yt = youtube_dl.YoutubeDL(youtube_dl_options)
v = yt.extract_info(url, download=False)
if v["duration"] > settings["MAX_LENGTH"]: raise MaximumLength("Track exceeded maximum length. See help audioset maxlength")
if not os.path.isfile("data/audio/cache/" + v["id"]):
v = yt.extract_info(url, download=True)
audio.downloader = {"DONE" : True, "TITLE" : v["title"], "ID" : v["id"], "URL" : url, "DURATION" : v["duration"], "DOWNLOADING" : False} #Errors out here if invalid link
except Exception as e:
print(e) # TODO
audio.downloader = {"DONE" : True, "TITLE" : False, "ID" : False, "URL" : False, "DOWNLOADING" : False}
async def incoming_messages(self, msg): # Workaround, need to fix
if msg.author.id != self.bot.user.id:
cmds = ("unload cogs.audio", "reload cogs.audio")
if msg.content in cmds:
self.quit_manager = True
if msg.channel.is_private and msg.attachments != []:
await self.transfer_playlist(msg)
if not msg.channel.is_private:
if not self.playlist and not self.queue and not self.music_player.is_playing() and msg.server.me.game != None:
await self.bot.change_status(None)
def get_local_playlists(self):
dirs = []
files = os.listdir("data/audio/localtracks/")
for f in files:
if os.path.isdir("data/audio/localtracks/" + f) and " " not in f:
if glob.glob("data/audio/localtracks/" + f + "/*.mp3") != []:
dirs.append(f)
elif glob.glob("data/audio/localtracks/" + f + "/*.flac") != []:
dirs.append(f)
if dirs != []:
return dirs
else:
return False
@commands.command(pass_context=True, no_pm=True)
async def addplaylist(self, ctx, name : str, link : str): #CHANGE COMMAND NAME
"""Adds tracks from youtube playlist link"""
if self.is_playlist_name_valid(name) and len(name) < 25 and self.is_playlist_link_valid(link):
if fileIO("playlists/" + name + ".txt", "check"):
await self.bot.say("`A playlist with that name already exists.`")
return False
links = await self.parse_yt_playlist(link)
if links:
data = { "author" : ctx.message.author.id,
"playlist": links,
"link" : link}
fileIO("data/audio/playlists/" + name + ".txt", "save", data)
await self.bot.say("Playlist added. Name: {}".format(name))
else:
await self.bot.say("Something went wrong. Either the link was incorrect or I was unable to retrieve the page.")
else:
await self.bot.say("Something is wrong with the playlist's link or its filename. Remember, the name must be with only numbers, letters and underscores. Link must be this format: https://www.youtube.com/playlist?list=PLe8jmEHFkvsaDOOWcREvkgFoj6MD0pXXX")
async def transfer_playlist(self, message):
msg = message.attachments[0]
if msg["filename"].endswith(".txt"):
if not fileIO("data/audio/playlists/" + msg["filename"], "check"): #returns false if file already exists
r = await aiohttp.get(msg["url"])
r = await r.text()
data = r.replace("\r", "")
data = data.split()
if self.is_playlist_valid(data) and self.is_playlist_name_valid(msg["filename"].replace(".txt", "")):
data = { "author" : message.author.id,
"playlist": data,
"link" : False}
fileIO("data/audio/playlists/" + msg["filename"], "save", data)
await self.bot.send_message(message.channel, "Playlist added. Name: {}".format(msg["filename"].replace(".txt", "")))
else:
await self.bot.send_message(message.channel, "Something is wrong with the playlist or its filename.") # Add formatting info
else:
await self.bot.send_message(message.channel, "A playlist with that name already exists. Change the filename and resubmit it.")
def is_playlist_valid(self, data):
data = [y for y in data if y != ""] # removes all empty elements
data = [y for y in data if y != "\n"]
pattern = "|".join(fileIO("data/audio/accepted_links.json", "load"))
for link in data:
rr = re.search(pattern, link, re.I | re.U)
if rr == None:
return False
return True
def is_playlist_link_valid(self, link):
pattern = "^https:\/\/www.youtube.com\/playlist\?list=(.[^:/]*)"
rr = re.search(pattern, link, re.I | re.U)
if not rr == None:
return rr.group(1)
else:
return False
def is_playlist_name_valid(self, name):
for l in name:
if l.isdigit() or l.isalpha() or l == "_":
pass
else:
return False
return True
async def parse_yt_playlist(self, url):
headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36'}
try:
page = await aiohttp.post(url, headers=headers)
page = await page.text()
soup = BeautifulSoup(page, 'html.parser')
tags = soup.find_all("tr", class_="pl-video yt-uix-tile ")
links = []
for tag in tags:
links.append("https://www.youtube.com/watch?v=" + tag['data-video-id'])
if links != []:
return links
else:
return False
except:
return False
def save_settings(self):
with open(main_path + "/data/audio/settings.json", "w") as f:
f.write(json.dumps(settings))
class EmptyPlayer(): #dummy player
def __init__(self):
pass
def stop(self):
pass
def is_playing(self):
return False
class MaximumLength(Exception):
def __init__(self, m):
self.message = m
def __str__(self):
return self.message
def check_folders():
folders = ("data/audio", "data/audio/cache", "data/audio/playlists")
for folder in folders:
if not os.path.exists(folder):
print("Creating " + folder + " folder...")
os.makedirs(folder)
def check_files(n):
if not os.path.isfile(main_path + "/data/audio/settings.json"):
print("Creating default audio settings.json...")
n.save_settings()
allowed = ["^(https:\/\/www\\.youtube\\.com\/watch\\?v=...........*)", "^(https:\/\/youtu.be\/...........*)",
"^(https:\/\/youtube\\.com\/watch\\?v=...........*)", "^(https:\/\/soundcloud\\.com\/.*)"]
if not os.path.isfile(main_path + "/data/audio/accepted_links.json"):
print("Creating accepted_links.json...")
with open(main_path + "/data/audio/accepted_links.json", "w") as f:
f.write(json.dumps(allowed))
def setup(bot):
loop = asyncio.get_event_loop()
n = Audio(bot)
check_folders()
check_files(n)
loop.create_task(n.queue_manager())
bot.add_listener(n.incoming_messages, "on_message")
bot.add_cog(n)