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royalnet/discordbot.py
2018-01-19 09:52:01 +01:00

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import datetime
import random
import discord
import discord.opus
import functools
import sys
import db
import errors
import youtube_dl
import concurrent.futures
# Init the event loop
import asyncio
loop = asyncio.get_event_loop()
# Init the config reader
import configparser
config = configparser.ConfigParser()
config.read("config.ini")
# Find the latest git tag
import subprocess
import os
old_wd = os.getcwd()
try:
os.chdir(os.path.dirname(__file__))
version = str(subprocess.check_output(["git", "describe", "--tags"]), encoding="utf8").strip()
except:
version = "v???"
finally:
os.chdir(old_wd)
# Init the discord bot
client = discord.Client()
discord.opus.load_opus("libopus-0.dll")
voice_client = None
voice_player = None
voice_queue = []
voice_playing = None
# Init the executor
executor = concurrent.futures.ThreadPoolExecutor(max_workers=3)
class Video:
def __init__(self):
self.user = None
self.info = None
self.enqueued = None
self.channel = None
@staticmethod
async def init(author, info, enqueued, channel):
self = Video()
discord_user = await find_user(author)
self.user = discord_user.royal if discord_user is not None else None
self.info = info
self.enqueued = enqueued
self.channel = channel
return self
def create_embed(self):
embed = discord.Embed(type="rich",
title=self.info.get("title"),
url=self.info.get("webpage_url"),
colour=discord.Colour(13375518))
# Uploader
if self.info.get("uploader"):
embed.set_author(name=self.info["uploader"],
url=self.info.get("uploader_url"))
# Thumbnail
if "thumbnail" in self.info:
embed.set_thumbnail(url=self.info["thumbnail"])
# Duration
embed.add_field(name="Durata", value=str(datetime.timedelta(seconds=self.info["duration"])))
# Views
if "view_count" in self.info and self.info["view_count"] is not None:
embed.add_field(name="Visualizzazioni", value="{:_}".format(self.info["view_count"]).replace("_", " "))
# Likes
if "like_count" in self.info and self.info["like_count"] is not None:
embed.add_field(name="Mi piace", value="{:_}".format(self.info["like_count"]).replace("_", " "))
# Dislikes
if "dislike_count" in self.info and self.info["dislike_count"] is not None:
embed.add_field(name="Non mi piace", value="{:_}".format(self.info["dislike_count"]).replace("_", " "))
return embed
async def download(self):
try:
with youtube_dl.YoutubeDL({"noplaylist": True,
"format": "bestaudio",
"postprocessors": [{
"key": 'FFmpegExtractAudio',
"preferredcodec": 'opus'
}],
"outtmpl": "music.%(ext)s",
"quiet": True}) as ytdl:
info = await loop.run_in_executor(executor, functools.partial(ytdl.extract_info, self.info["webpage_url"]))
except Exception as e:
client.send_message(self.channel, f"⚠ Errore durante il download del video:\n"
f"```"
f"{e}"
f"```", embed=self.create_embed())
async def find_user(user: discord.User):
session = await loop.run_in_executor(executor, db.Session)
user = await loop.run_in_executor(executor, session.query(db.Discord).filter_by(discord_id=user.id).join(db.Royal).first)
return user
async def on_error(event, *args, **kwargs):
type, exception, traceback = sys.exc_info()
try:
await client.send_message(client.get_channel(config["Discord"]["main_channel"]), f"☢️ ERRORE CRITICO NELL'EVENTO `{event}`\n"
f"Il bot si è chiuso e si dovrebbe riavviare entro qualche minuto.\n\n"
f"Dettagli dell'errore:\n"
f"```python\n"
f"{repr(exception)}\n"
f"```")
await voice_client.disconnect()
await client.change_presence(status=discord.Status.invisible)
await client.close()
except Exception as e:
print("ERRORE CRITICO PIU' CRITICO:\n" + repr(e) + "\n" + repr(sys.exc_info()))
loop.stop()
os._exit(1)
pass
@client.event
async def on_ready():
await client.send_message(client.get_channel("368447084518572034"), f" Royal Bot {version} avviato e pronto a ricevere comandi!")
await client.change_presence(game=None, status=discord.Status.online)
@client.event
async def on_message(message: discord.Message):
global voice_queue
global voice_player
if message.content.startswith("!register"):
await client.send_typing(message.channel)
session = await loop.run_in_executor(executor, db.Session())
try:
username = message.content.split(" ", 1)[1]
except IndexError:
await client.send_message(message.channel, "⚠️ Non hai specificato un username!\n"
"Sintassi corretta: `!register <username_ryg>`")
return
try:
d = db.Discord.create(session,
royal_username=username,
discord_user=message.author)
except errors.AlreadyExistingError:
await client.send_message(message.channel, "⚠ Il tuo account Discord è già collegato a un account RYG o l'account RYG che hai specificato è già collegato a un account Discord.")
return
session.add(d)
session.commit()
session.close()
await client.send_message(message.channel, "✅ Sincronizzazione completata!")
elif message.content.startswith("!cv"):
await client.send_typing(message.channel)
if message.author.voice.voice_channel is None:
await client.send_message(message.channel, "⚠ Non sei in nessun canale!")
return
global voice_client
if voice_client is not None and voice_client.is_connected():
await voice_client.move_to(message.author.voice.voice_channel)
else:
voice_client = await client.join_voice_channel(message.author.voice.voice_channel)
await client.send_message(message.channel, f"✅ Mi sono connesso in <#{message.author.voice.voice_channel.id}>.")
elif message.content.startswith("!play"):
await client.send_typing(message.channel)
# The bot should be in voice chat
if voice_client is None:
await client.send_message(message.channel, "⚠️ Non sono connesso alla cv!\n"
"Fammi entrare scrivendo `!cv` mentre sei in chat vocale.")
return
# Find the sent url
try:
url = message.content.split(" ", 1)[1]
except IndexError:
await client.send_message(message.channel, "⚠️ Non hai specificato un url!\n"
"Sintassi corretta: `!play <video>`")
return
# Se è una playlist, informa che potrebbe essere richiesto un po' di tempo
if "playlist" in url:
await client.send_message(message.channel, f" Hai inviato una playlist al bot.\n"
f"L'elaborazione potrebbe richiedere un po' di tempo.")
# Extract the info from the url
try:
with youtube_dl.YoutubeDL({"quiet": True, "skip_download": True, "noplaylist": True, "format": "webm[abr>0]/bestaudio/best"}) as ytdl:
info = await loop.run_in_executor(executor, functools.partial(ytdl.extract_info, url))
except youtube_dl.utils.DownloadError as e:
if "is not a valid URL" in str(e) or "Unsupported URL" in str(e):
await client.send_message(message.channel, f"⚠️ Il link inserito non è valido.\n"
f"Se vuoi cercare un video su YouTube, usa `!search <query>`")
else:
await client.send_message(message.channel, f"⚠ Errore:\n"
f"```\n"
f"{e}"
f"```")
return
if "_type" not in info:
# If target is a single video
video = await Video.init(author=message.author, info=info, enqueued=datetime.datetime.now(), channel=message.channel)
await client.send_message(message.channel, f"✅ Aggiunto alla coda:", embed=video.create_embed())
voice_queue.append(video)
elif info["_type"] == "playlist":
# If target is a playlist
if len(info["entries"]) < 20:
for single_info in info["entries"]:
video = await Video.init(author=message.author, info=single_info, enqueued=datetime.datetime.now(), channel=message.channel)
await client.send_message(message.channel, f"✅ Aggiunto alla coda:", embed=video.create_embed())
voice_queue.append(video)
else:
await client.send_message(message.channel, f" La playlist contiene {len(info['entries'])} video.\n"
f"Sei sicuro di volerli aggiungere alla coda?\n"
f"Rispondi **sì** o **no**.\n"
f"_(Il bot potrebbe crashare.)_")
answer = await client.wait_for_message(timeout=60, author=message.author, channel=message.channel)
if "" in answer.content.lower() or "si" in answer.content.lower():
for single_info in info["entries"]:
video = await Video.init(author=message.author, info=single_info,
enqueued=datetime.datetime.now(), channel=message.channel)
await client.send_message(message.channel, f"✅ Aggiunto alla coda:", embed=video.create_embed())
voice_queue.append(video)
elif "no" in answer.content.lower():
await client.send_message(message.channel, f" Operazione annullata.")
return
elif message.content.startswith("!search"):
await client.send_typing(message.channel)
# The bot should be in voice chat
if voice_client is None:
await client.send_message(message.channel, "⚠️ Non sono connesso alla cv!\n"
"Fammi entrare scrivendo `!cv` mentre sei in chat vocale.")
return
# Find the sent text
try:
text = message.content.split(" ", 1)[1]
except IndexError:
await client.send_message(message.channel, "⚠️ Non hai specificato il titolo!\n"
"Sintassi corretta: `!search <titolo>`")
return
# Extract the info from the url
try:
with youtube_dl.YoutubeDL({"quiet": True, "skip_download": True, "noplaylist": True, "format": "webm[abr>0]/bestaudio/best"}) as ytdl:
info = await loop.run_in_executor(executor, functools.partial(ytdl.extract_info, f"ytsearch:{text}"))
except youtube_dl.utils.DownloadError as e:
if "is not a valid URL" in str(e) or "Unsupported URL" in str(e):
await client.send_message(message.channel, f"⚠️ Il video ottenuto dalla ricerca non è valido. Prova a cercare qualcos'altro...")
return
# If target is a single video
video = await Video.init(author=message.author, info=info["entries"][0], enqueued=datetime.datetime.now(), channel=message.channel)
await client.send_message(message.channel, f"✅ Aggiunto alla coda:", embed=video.create_embed())
voice_queue.append(video)
elif message.content.startswith("!skip"):
global voice_player
voice_player.stop()
voice_player = None
await client.send_message(message.channel, f"⏩ Video saltato.")
elif message.content.startswith("!pause"):
if voice_player is None or not voice_player.is_playing():
await client.send_message(message.channel, f"⚠️ Non è in corso la riproduzione di un video, pertanto non c'è niente da pausare.")
return
voice_player.pause()
await client.send_message(message.channel, f"⏸ Riproduzione messa in pausa.\n"
f"Riprendi con `!resume`.")
elif message.content.startswith("!resume"):
if voice_player is None or voice_player.is_playing():
await client.send_message(message.channel, f"⚠️ Non c'è nulla in pausa da riprendere!")
return
voice_player.resume()
await client.send_message(message.channel, f"▶️ Riproduzione ripresa.")
elif message.content.startswith("!cancel"):
try:
video = voice_queue.pop()
except IndexError:
await client.send_message(message.channel, f"⚠ La playlist è vuota.")
return
await client.send_message(message.channel, f"❌ Rimosso dalla playlist:", embed=video.create_embed())
elif message.content.startswith("!stop"):
if voice_player is None:
await client.send_message(message.channel, f"⚠ Non c'è nulla da interrompere!")
return
voice_queue = []
voice_player.stop()
voice_player = None
await client.send_message(message.channel, f"⏹ Riproduzione interrotta e playlist svuotata.")
elif message.content.startswith("!np"):
if voice_player is None:
await client.send_message(message.channel, f" Non c'è nulla in riproduzione al momento.")
return
await client.send_message(message.channel, f"▶️ Ora in riproduzione in <#{voice_client.channel.id}>:", embed=voice_playing.create_embed())
elif message.content.startswith("!queue"):
if voice_player is None:
await client.send_message(message.channel, f" Non c'è nulla in riproduzione al momento.")
return
to_send = ""
to_send += f"0. {voice_playing.info['title'] if voice_playing.info['title'] is not None else '_Senza titolo_'} - <{voice_playing.info['webpage_url'] if voice_playing.info['webpage_url'] is not None else ''}>\n"
for n, video in enumerate(voice_queue):
to_send += f"{n+1}. {video.info['title'] if video.info['title'] is not None else '_Senza titolo_'} - <{video.info['webpage_url'] if video.info['webpage_url'] is not None else ''}>\n"
if len(to_send) >= 2000:
to_send = to_send[0:1997] + "..."
break
await client.send_message(message.channel, to_send)
elif message.content.startswith("!cast"):
try:
spell = message.content.split(" ", 1)[1]
except IndexError:
await client.send_message("⚠️ Non hai specificato nessun incantesimo!\n"
"Sintassi corretta: `!cast <nome_incantesimo>`")
return
target = random.sample(list(message.server.members), 1)[0]
# Seed the rng with the spell name
# so that spells always deal the same damage
random.seed(spell)
dmg_mod = random.randrange(-2, 3)
dmg_dice = random.randrange(1, 4)
dmg_max = random.sample([4, 6, 8, 10, 12, 20, 100], 1)[0]
# Reseed the rng with a random value
# so that the dice roll always deals a different damage
random.seed()
total = dmg_mod
for dice in range(0, dmg_dice):
total += random.randrange(1, dmg_max+1)
await client.send_message(message.channel, f"❇️ Ho lanciato **{spell}** su **{target.nick if target.nick is not None else target.name}** per {dmg_dice}d{dmg_max}{'+' if dmg_mod > 0 else ''}{str(dmg_mod) if dmg_mod != 0 else ''}=**{total if total > 0 else 0}** danni!")
elif __debug__ and message.content.startswith("!exception"):
raise Exception("!exception was called")
async def update_users_pipe(users_connection):
await client.wait_until_ready()
while True:
msg = await loop.run_in_executor(executor, users_connection.recv)
if msg == "/cv":
discord_members = list(client.get_server(config["Discord"]["server_id"]).members)
users_connection.send(discord_members)
async def update_music_queue():
await client.wait_until_ready()
global voice_player
global voice_playing
while True:
# Wait until there is nothing playing
if voice_client is not None and voice_player is not None and (voice_player.is_playing() and not voice_player.is_done()):
await asyncio.sleep(1)
continue
if len(voice_queue) == 0:
if voice_playing is not None:
# Set the playing status
voice_playing = None
await client.change_presence()
await asyncio.sleep(1)
continue
# Get the last video in the queue
video = voice_queue.pop(0)
# Notify the chat of the download
await client.send_message(video.channel, f" E' iniziato il download della prossima canzone.")
# Download the video
await video.download()
# Play the video
voice_player = voice_client.create_ffmpeg_player(f"music.opus")
voice_player.start()
# Notify the chat of the start
await client.send_message(video.channel, f"▶ Ora in riproduzione in <#{voice_client.channel.id}>:", embed=video.create_embed())
# Set the playing status
voice_playing = video
await client.change_presence(game=discord.Game(name=video.info.get("title"), type=2))
def process(users_connection=None):
print("Discordbot starting...")
if users_connection is not None:
asyncio.ensure_future(update_users_pipe(users_connection))
asyncio.ensure_future(update_music_queue())
client.on_error = on_error
client.run(config["Discord"]["bot_token"])
if __name__ == "__main__":
process()