from discord.ext import commands from . import utils import asyncio import discord import re import traceback import logging log = logging.getLogger() class Twitch: """Class for some twitch integration You can add or remove your twitch stream for your user I will then notify the server when you have gone live or offline""" def __init__(self, bot): self.bot = bot self.key = utils.twitch_key self.params = {'client_id': self.key} self.task = bot.loop.create_task(self.check_channels()) def _form_embed(self, data): if not data: return None # I want to make the least API calls possible, however there's a few things to note here: # 1) When requesting /streams and a channel is offline, the channel data is not provided # 2) When requesting /streams and a channel is online, the channel data is provided # 3) When requesting /channels, no data is provided about the channel being on or offline # 4) The data provide in /streams matches /channels when they are online # Due to this...the data "source" will be different based on if they are on or offline # Instead of making an API call to see if they're online, then an API call to get the data # The idea here is to separate creating the embed, and the getting of data # With this method, I can get the data if they are online,then return the embed if applicable embed = discord.Embed(title=data['display_name'], url=data['url']) if data['logo']: embed.set_thumbnail(url=data['logo']) embed.add_field(name='Title', value=data['status']) embed.add_field(name='Followers', value=data['followers']) embed.add_field(name='Views', value=data['views']) if data['game']: embed.add_field(name='Game', value=data['game']) embed.add_field(name='Language', value=data['broadcaster_language']) return embed async def online_embed(self, twitch_url): # First make sure the twitch URL is actually given if not twitch_url: return None # Check a specific channel's data, and get the response in text format channel = re.search("(?<=twitch.tv/)(.*)", twitch_url).group(1) url = "https://api.twitch.tv/kraken/streams/{}".format(channel) response = await utils.request(url, payload=self.params) # For some reason Twitch's API call is not reliable, sometimes it returns stream as None # That is what we're checking specifically, sometimes it doesn't exist in the returned JSON at all # Sometimes it returns something that cannot be decoded with JSON (which means we'll get None back) # In either error case, just assume they're offline, the next check will most likely work try: data = response['stream']['channel'] embed = self._form_embed(data) return embed except (KeyError, TypeError): return None async def offline_embed(self, twitch_url): # First make sure the twitch URL is actually given if not twitch_url: return None # Check a specific channel's data, and get the response in text format channel = re.search("(?<=twitch.tv/)(.*)", twitch_url).group(1) url = "https://api.twitch.tv/kraken/channels/{}".format(channel) data = await utils.request(url, payload=self.params) return self._form_embed(data) async def twitch_task(self): await self.bot.wait_until_ready() while not self.bot.is_closed(): try: await self.check_channels() except Exception as error: with open("error_log", 'a') as f: traceback.print_tb(error.__traceback__, file=f) print('{0.__class__.__name__}: {0}'.format(error), file=f) finally: await asyncio.sleep(30) async def check_channels(self): twitch = await self.bot.db.actual_load('twitch', table_filter={'notifications_on': 1}) for data in twitch: m_id = int(data['member_id']) url = data['twitch_url'] # Check if they are online by trying to get an displayed embed for this user embed = await self.online_embed(url) # If they're currently online, but saved as not then we'll let servers know they are now online if embed and data['live'] == 0: msg = "{member.display_name} has just gone live!" await self.bot.db.save('twitch', {'live': 1, 'member_id': str(m_id)}) # Otherwise our notification will say they've gone offline elif not embed and data['live'] == 1: msg = "{member.display_name} has just gone offline!" embed = await self.offline_embed(url) await self.bot.db.save('twitch', {'live': 0, 'member_id': str(m_id)}) else: continue # Loop through each server that they are set to notify for s_id in data['servers']: server = self.bot.get_guild(int(s_id)) # If we can't find it, ignore this one if server is None: continue member = server.get_member(m_id) # If we can't find them in this server, also ignore if member is None: continue # Get the notifications settings, get the twitch setting notifications = self.bot.db.load('server_settings', key=s_id, pluck='notifications') or {} # Set our default to either the one set, or the default channel of the server default_channel_id = notifications.get('default') # If it is has been overriden by twitch notifications setting, use this channel_id = notifications.get('twitch') or default_channel_id # Now get the channel if channel_id: channel = server.get_channel(int(channel_id)) else: continue # Then just send our message try: await channel.send(msg.format(member=member), embed=embed) except (discord.Forbidden, discord.HTTPException, AttributeError): pass @commands.group(invoke_without_command=True) @commands.guild_only() @utils.custom_perms(send_messages=True) @utils.check_restricted() async def twitch(self, ctx, *, member: discord.Member = None): """Use this command to check the twitch info of a user EXAMPLE: !twitch @OtherPerson RESULT: Information about their twitch URL""" await ctx.message.channel.trigger_typing() if member is None: member = ctx.message.author url = self.bot.db.load('twitch', key=member.id, pluck='twitch_url') if url is None: await ctx.send("{} has not saved their twitch URL yet!".format(member.name)) return embed = await self.offline_embed(url) await ctx.send(embed=embed) @twitch.command(name='add') @commands.guild_only() @utils.custom_perms(send_messages=True) @utils.check_restricted() async def add_twitch_url(self, ctx, url: str): """Saves your user's twitch URL EXAMPLE: !twitch add MyTwitchName RESULT: Saves your twitch URL; notifications will be sent to this server when you go live""" await ctx.message.channel.trigger_typing() # This uses a lookbehind to check if twitch.tv exists in the url given # If it does, it matches twitch.tv/user and sets the url as that # Then (in the else) add https://www. to that # Otherwise if it doesn't match, we'll hit an AttributeError due to .group(0) # This means that the url was just given as a user (or something complete invalid) # So set URL as https://www.twitch.tv/[url] # Even if this was invalid such as https://www.twitch.tv/google.com/ # For example, our next check handles that try: url = re.search("((?<=://)?twitch.tv/)+(.*)", url).group(0) except AttributeError: url = "https://www.twitch.tv/{}".format(url) else: url = "https://www.{}".format(url) # Try to find the channel provided, we'll get a 404 response if it does not exist status = await utils.request(url, attr='status') if not status == 200: await ctx.send("That twitch user does not exist! " "What would be the point of adding a nonexistant twitch user? Silly") return key = str(ctx.message.author.id) # Check if it exists first, if it does we don't want to override some of the settings result = self.bot.db.load('twitch', key=key) if result: entry = { 'twitch_url': url, 'member_id': key } else: entry = { 'twitch_url': url, 'servers': [str(ctx.message.guild.id)], 'notifications_on': 1, 'live': 0, 'member_id': key } await self.bot.db.save('twitch', entry) await ctx.send("I have just saved your twitch url {}".format(ctx.message.author.mention)) @twitch.command(name='remove', aliases=['delete']) @commands.guild_only() @utils.custom_perms(send_messages=True) @utils.check_restricted() async def remove_twitch_url(self, ctx): """Removes your twitch URL EXAMPLE: !twitch remove RESULT: I stop saving your twitch URL""" entry = { 'twitch_url': None, 'member_id': str(ctx.message.author.id) } await self.bot.db.save('twitch', entry) await ctx.send("I am no longer saving your twitch URL {}".format(ctx.message.author.mention)) @twitch.command(name='alerts', aliases=['notifications']) @commands.guild_only() @utils.custom_perms(manage_guild=True) @utils.check_restricted() async def twitch_alerts_channel(self, ctx, channel: discord.TextChannel): """Sets the notifications channel for twitch notifications EXAMPLE: !twitch alerts #twitch RESULT: Twitch notifications will go to this channel """ entry = { 'server_id': str(ctx.message.guild.id), 'notifications': { 'twitch': str(channel.id) } } await self.bot.db.save('server_settings', entry) await ctx.send("All Twitch notifications will now go to {}".format(channel.mention)) @twitch.group(invoke_without_command=True) @commands.guild_only() @utils.custom_perms(send_messages=True) @utils.check_restricted() async def notify(self, ctx): """This can be used to modify notification settings for your twitch user Call this command by itself to add 'this' server as one that will be notified when you on/offline EXAMPLE: !twitch notify RESULT: This server will now be notified when you go live""" key = str(ctx.message.author.id) servers = self.bot.db.load('twitch', key=key, pluck='servers') # Check if this user is saved at all if servers is None: await ctx.send( "I do not have your twitch URL added {}. You can save your twitch url with !twitch add".format( ctx.message.author.mention)) # Then check if this server is already added as one to notify in elif str(ctx.message.guild.id) in servers: await ctx.send("I am already set to notify in this server...") else: servers.append(str(ctx.message.guild.id)) entry = { 'member_id': key, 'servers': servers } await self.bot.db.save('twitch', entry) await ctx.send("This server will now be notified if you go live") @notify.command(name='on', aliases=['start,yes']) @commands.guild_only() @utils.custom_perms(send_messages=True) @utils.check_restricted() async def notify_on(self, ctx): """Turns twitch notifications on EXAMPLE: !twitch notify on RESULT: Notifications will be sent when you go live""" key = str(ctx.message.author.id) result = self.bot.db.load('twitch', key=key) if result: entry = { 'member_id': key, 'notifications_on': 1 } await self.bot.db.save('twitch', entry) await ctx.send("I will notify if you go live {}, you'll get a bajillion followers I promise c:".format( ctx.message.author.mention)) else: await ctx.send("I can't notify if you go live if I don't know your twitch URL yet!") @notify.command(name='off', aliases=['stop,no']) @commands.guild_only() @utils.custom_perms(send_messages=True) @utils.check_restricted() async def notify_off(self, ctx): """Turns twitch notifications off EXAMPLE: !twitch notify off RESULT: Notifications will not be sent when you go live""" key = str(ctx.message.author.id) result = self.bot.db.load('twitch', key=key) if result: entry = { 'member_id': key, 'notifications_on': 0 } await self.bot.db.save('twitch', entry) await ctx.send( "I will not notify if you go live anymore {}, " "are you going to stream some lewd stuff you don't want people to see?~".format( ctx.message.author.mention)) else: await ctx.send( "I mean, I'm already not going to notify anyone, because I don't have your twitch URL saved...") def setup(bot): bot.add_cog(Twitch(bot))