television/src/discordbot/discordbot.py

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Python

from datetime import datetime, timezone
import os
import asyncio
import logging
import subprocess
import httpx
import discord
from discord.ext.commands import Bot, has_permissions, CheckFailure, has_role, MissingRole
from apscheduler.schedulers.asyncio import AsyncIOScheduler
from ffmpeg import FFmpeg, Progress
# Read env variables
bot_token = os.environ.get('DISCORDBOT_TOKEN', 'token')
live_channel_id = os.environ.get('DISCORDBOT_LIVE_CHANNEL_ID', 0)
live_channel_update = os.environ.get('DISCORDBOT_LIVE_CHANNEL_UPDATE', 1440)
scheduler_hostname = os.environ.get('BASE_URL', 'example.com')
# Discord API Intents
intents = discord.Intents.all()
intents.members = True
intents.guilds = True
intents.messages = True
intents.reactions = True
intents.presences = True
intents.message_content = True
# Discord client
bot = Bot(command_prefix=".", intents=intents)
worshipper_role_name = "worshipper"
boss_role_name = "bosmang"
# Scheduler
scheduler = AsyncIOScheduler()
# Set up the logger
logger_discord = logging.getLogger('discord')
log_level = os.environ.get('SCHEDULER_LOG_LEVEL', 'INFO').upper()
logger_discord.setLevel(log_level)
database = {}
rec_path = "/recordings"
# Bot functions
@bot.event
async def on_ready():
# Schedule a database update to run every 5 seconds
scheduler.add_job(func=query_database, trigger='interval', seconds=5, id='query_database')
scheduler.start()
@bot.command(name='hello', help='Say hello to the bot')
@has_role(worshipper_role_name)
async def hello(ctx):
author_name = ctx.author.name
await ctx.channel.send(f'Hi, {author_name} :blush:')
@hello.error
async def hello_error(ctx, error):
if isinstance(error, CheckFailure):
await ctx.channel.send('Do I know you?')
@bot.command(name='time', help='Show current time in UTC')
async def time(ctx):
await ctx.channel.send(f'The Coordinated Universal Time is `{datetime.now(timezone.utc)}`')
@bot.command(name='epg', help='Lists scheduled streams')
async def epg(ctx):
global database
if database != {}:
scheduled_list = ""
live_list = ""
for key, value in database.items():
item_name = value['name']
item_start = value['start_at']
if item_start != 'now' and item_start != 'never':
scheduled_list += f'- {item_name} starts at {item_start}:00 UTC\n'
else:
live_list += f'- {item_name} is LIVE\n'
await ctx.channel.send(f'```{scheduled_list}```')
if live_list != "":
await ctx.channel.send(f'```{live_list}```')
else:
await ctx.channel.send('```Empty.```')
@bot.command(name='now', help='Displays whats playing right now')
async def now(ctx):
playhead = await query_playhead()
stream_name = playhead['name']
stream_prio = playhead['prio']
await ctx.channel.send(f'Now playing {stream_name} (prio={stream_prio})')
@bot.command(name='rec', help='Start the recorder')
@has_role(boss_role_name)
async def rec(ctx):
playhead = await query_playhead()
stream_name = playhead['name']
stream_prio = playhead['prio']
# Check if the recorder job already exists
if scheduler.get_job('recorder') is None:
await ctx.channel.send(f'Recording from {stream_name} (prio={stream_prio})')
scheduler.add_job(func=exec_recorder, id='recorder', args=(playhead))
else:
await ctx.channel.send(f'Recorder is busy!')
@rec.error
async def rec_error(ctx, error):
if isinstance(error, CheckFailure):
await ctx.channel.send('Access denied!')
@bot.command(name='stop', help='Stop the recorder')
@has_role(boss_role_name)
async def stop(ctx):
# Check if the recorder job already exists
if scheduler.get_job('recorder') is not None:
await ctx.channel.send(f'Shutting down recorder')
scheduler.remove_job('recorder')
else:
await ctx.channel.send(f'Recorder is stopped.')
@stop.error
async def stop_error(ctx, error):
if isinstance(error, CheckFailure):
await ctx.channel.send('Access denied!')
async def query_playhead():
head_url = f'https://{scheduler_hostname}/playhead'
try:
async with httpx.AsyncClient() as client:
response = await client.get(head_url)
playhead = response.json()
logger_discord.info(f'Playhead at {playhead['head']}')
except Exception as e:
logger_discord.error('Cannot connect to the playhead!')
logger_discord.error(e)
await asyncio.sleep(5)
return playhead
async def query_database():
global database
db_url = f'https://{scheduler_hostname}/database'
try:
async with httpx.AsyncClient() as client:
response = await client.get(db_url)
database = response.json()
logger_discord.info(f'Database items {database.keys()}')
except Exception as e:
logger_discord.error('Cannot connect to the database!')
logger_discord.error(e)
await asyncio.sleep(5)
return
if database == {}:
logger_discord.error('Database is empty!')
return
# Search for live streams and announce them
for key, value in database.items():
stream_name = value['name']
stream_start_at = value['start_at']
stream_meta = value['meta']
if stream_start_at == 'now':
# Check if the announement job already exists
if scheduler.get_job('announce_live_channel') is None:
# Job doesn't exist, so add it
logger_discord.info(f'{stream_name} live stream detected!')
scheduler.add_job(func=announce_live_channel, trigger='interval', minutes=int(live_channel_update), id='announce_live_channel', args=(stream_name, stream_meta))
scheduler.get_job('announce_live_channel').modify(next_run_time=datetime.now())
return
else:
# Exit since we already have a live announcement job
return
# Cleanup the announce job
if scheduler.get_job('announce_live_channel') is not None:
scheduler.remove_job('announce_live_channel')
if live_channel_id != 0:
live_channel = bot.get_channel(int(live_channel_id))
await live_channel.send(f'{stream_name} is offline.')
logger_discord.info(f'{stream_name} is offline.')
async def announce_live_channel(stream_name, stream_meta):
if live_channel_id != 0:
live_channel = bot.get_channel(int(live_channel_id))
await live_channel.send(f'{stream_name} is live! :satellite_orbital: {stream_meta}')
logger_discord.info(f'{stream_name} is live! {stream_meta}')
# Execute recorder
async def exec_recorder(playhead):
stream_id = playhead['id']
stream_name = playhead['name']
stream_hls_url = playhead['head']
current_datetime = datetime.now().strftime("%Y%m%d_%H%M%S")
video_file = current_datetime + ".mp4"
thumb_file = current_datetime + ".png"
video_output = f'{rec_path}/live/{video_file}'
thumb_output = f'{rec_path}/live/{thumb_file}'
try:
logger_discord.info(f'Recording video {video_file}')
# Record a mp4 file
ffmpeg = (
FFmpeg()
.option("y")
.input(stream_hls_url)
.output(video_output,
{"codec:v": "copy", "codec:a": "copy", "bsf:a": "aac_adtstoasc"},
))
@ffmpeg.on("progress")
def on_progress(progress: Progress):
print(progress)
ffmpeg.execute()
logger_discord.info(f'Recording of {video_file} finished.')
except Exception as joberror:
logger_discord.error(f'Recording of {video_file} failed!')
logger_discord.error(joberror)
else:
# Show Metadata
ffmpeg_metadata = (
FFmpeg(executable="ffprobe")
.input(video_output,
print_format="json",
show_streams=None,)
)
media = json.loads(ffmpeg_metadata.execute())
logger_discord.info(f"# Video")
logger_discord.info(f"- Codec: {media['streams'][0]['codec_name']}")
logger_discord.info(f"- Resolution: {media['streams'][0]['width']} X {media['streams'][0]['height']}")
logger_discord.info(f"- Duration: {media['streams'][0]['duration']}")
logger_discord.info(f"# Audio")
logger_discord.info(f"- Codec: {media['streams'][1]['codec_name']}")
logger_discord.info(f"- Sample Rate: {media['streams'][1]['sample_rate']}")
logger_discord.info(f"- Duration: {media['streams'][1]['duration']}")
thumb_skip_time = float(media['streams'][0]['duration']) // 2
thumb_width = media['streams'][0]['width']
try:
logger_discord.info(f'Generating thumb {thumb_file}')
# Generate thumbnail image from the recorded mp4 file
ffmpeg_thumb = (
FFmpeg()
.input(video_output, ss=thumb_skip_time)
.output(thumb_output, vf='scale={}:{}'.format(thumb_width, -1), vframes=1)
)
ffmpeg_thumb.execute()
logger_discord.info(f'Thumbnail {thumb_file} created.')
except Exception as joberror:
logger_discord.error(f'Generating thumb {thumb_file} failed!')
logger_discord.error(joberror)
# When ready, move the recorded from the live dir to the archives and reset the rec head
os.rename(f'{video_output}', f'{rec_path}/vod/{video_file}')
os.rename(f'{thumb_output}', f'{rec_path}/thumb/{thumb_file}')
await create_embed(stream_name, video_output, thumb_output)
logger_discord.info('Recording job done in {rec_job_time} minutes')
# HLS Converter
async def hls_converter():
directory = f'{rec_path}/vod/'
try:
# Check if the directory exists
if not os.path.exists(directory):
raise FileNotFoundError(f"The directory '{directory}' does not exist.")
# Iterate through all entries in the directory
for entry in os.listdir(directory):
file_path = os.path.join(directory, entry)
if entry.lower().endswith('.mp4'):
input_file = file_path
break
#logger_discord.info(f'{input_file} found. Converting to HLS...')
except Exception as e:
logger_discord.error(e)
async def create_embed(stream_name, video_filename, thumb_filename):
# Creating an embed
img_url = f'https://{scheduler_hostname}/static/images'
thumb_url = f'https://{scheduler_hostname}/thumb/{thumb_filename}'
video_download_url = f'https://{scheduler_hostname}/video/download/{video_filename}'
video_filename_no_extension = video_filename.split('.')[0]
video_watch_url = f'https://{scheduler_hostname}/video/watch/{video_filename_no_extension}'
embed = discord.Embed(title=f'VOD: {video_filename_no_extension}',
url=f'{video_watch_url}',
description=f'{stream_name}',
colour=0x00b0f4,
timestamp=datetime.now())
embed.add_field(name="Download",
value=f'[mp4 file]({video_download_url})',
inline=True)
embed.add_field(name="Watch",
value=f'[plyr.js player]({video_watch_url}) :]',
inline=True)
embed.set_image(url=thumb_url)
#embed.set_thumbnail(url=f'{img_url}/logo-96.png')
embed.set_footer(text="DeflaxTV",
icon_url=f'{img_url}/logo-96.png')
await live_channel.send(embed=embed)
# Run the bot with your token
asyncio.run(bot.run(bot_token))