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blank X 9 months ago
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Signed by: blankie GPG Key ID: CC15FC822C7F61F5
  1. 3
      .gitignore
  2. 21
      LICENSE
  3. 14
      example-config.yaml
  4. 4
      requirements.txt
  5. 165
      ytnotifier.py

3
.gitignore

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config.yaml
ytnotifier.session
ytnotifier.data

21
LICENSE

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MIT License
Copyright (c) 2021 blank X
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

14
example-config.yaml

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telegram:
api_id: 0
api_hash: https://my.telegram.org
bot_token: https://t.me/BotFather
storage:
# Useful for temporary file systems, can delete if you want
storage_chat_id: -1001222674489
storage_message_id: 1377
config:
notify_chat: 558772678
wait_seconds: 1800
channels:
- UCL_qhgtOy0dy1Agp8vkySQg
- UCHsx4Hqa-1ORjQTh9TYDhww

4
requirements.txt

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youtube-dl
feedparser
telethon
aiohttp

165
ytnotifier.py

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import re
import sys
import time
import html
import asyncio
import logging
import yaml
import feedparser
from telethon import TelegramClient
from youtube_dl import YoutubeDL
from youtube_dl.extractor import youtube
from aiohttp import ClientSession
logging.basicConfig(level=logging.INFO)
loadmode = False
if len(sys.argv) > 1:
loadmode = sys.argv[1] == 'loadmode'
config = yaml.safe_load(open('config.yaml'))
api_id = config['telegram']['api_id']
api_hash = config['telegram']['api_hash']
bot_token = config['telegram'].get('bot_token')
storage_chat_id = storage_message_id = None
if config.get('storage'):
storage_chat_id = config['storage'].get('storage_chat_id')
storage_message_id = config['storage'].get('storage_message_id')
notify_chat = config['config']['notify_chat']
wait_seconds = config['config']['wait_seconds']
channels = config['config']['channels']
live_regex = re.compile(r'error: (?:ytnotifier:([0-9]+) )?this live event will begin in (.+)', re.I)
strip_date = re.compile(r' \d{4}-\d{2}-\d{2} \d{2}:\d{2}$')
ytdl = YoutubeDL({'skip_download': True, 'no_color': True})
ytdl.add_default_info_extractors()
client = TelegramClient('ytnotifier', api_id, api_hash)
client.parse_mode = 'html'
seen_videos = set()
seen_videos_lock = asyncio.Lock()
tmp_handled_videos = set()
async def save_seen_videos():
async with seen_videos_lock:
with open('ytnotifier.data', 'w') as file:
file.write('0\n')
for i in seen_videos:
file.write(f'{i}\n')
if storage_chat_id and storage_message_id:
await client.edit_message(storage_chat_id, storage_message_id, file='ytnotifier.data')
youtube._try_get = _try_get = youtube.try_get
def traverse_dict(src):
for (key, value) in src.items():
if key == 'scheduledStartTime':
return value
if isinstance(value, dict):
if value := traverse_dict(value):
return value
return None
def try_get(src, getter, expected_type=None):
if reason := src.get('reason'):
if isinstance(reason, str) and reason.startswith('This live event will begin in '):
t = _try_get(src, traverse_dict, str)
if t:
src['reason'] = f'ytnotifier:{t} {reason}'
return _try_get(src, getter, expected_type)
youtube.try_get = try_get
async def _handle_video(video_id, video_title):
last_was_few_moments = False
too_many_attempts_count = 1
video_url = f'https://www.youtube.com/watch?v={video_id}'
notify_text = 'New video'
while True:
try:
video_data = await client.loop.run_in_executor(None, ytdl.extract_info, video_url)
except BaseException as e:
wait_time = 30
message = str(e)
if '429' in message or 'too many' in message.lower():
wait_time = too_many_attempts_count * 60 * 60
too_many_attempts_count += 1
elif match := live_regex.match(message.rstrip('.')):
notify_text = 'Live event started'
end_schedule_time = match.group(1) or 0
human_end_schedule_time = match.group(2)
if end_schedule_time := int(end_schedule_time):
tmp_wait_time = end_schedule_time - time.time()
if tmp_wait_time > wait_time:
wait_time = tmp_wait_time
await client.send_message(notify_chat, f'<b>Live event starting in {human_end_schedule_time}:</b> <a href="{video_url}">{html.escape(video_title)}</a>')
elif not last_was_few_moments:
await client.send_message(notify_chat, f'<b>Live event starting in {human_end_schedule_time}:</b> <a href="{video_url}">{html.escape(video_title)}</a>')
elif not last_was_few_moments:
await client.send_message(notify_chat, f'<b>Live event starting in {human_end_schedule_time}:</b> <a href="{video_url}">{html.escape(video_title)}</a>')
last_was_few_moments = 'moment' in human_end_schedule_time.lower()
await asyncio.sleep(wait_time)
else:
if video_data.get('is_live'):
notify_text = 'Live event started'
break
if tmp_video_title := video_data.get('title'):
video_title = strip_date.sub('', tmp_video_title)
await client.send_message(notify_chat, f'<b>{notify_text}:</b> <a href="{video_url}">{html.escape(video_title)}</a>')
async with seen_videos_lock:
seen_videos.add(video_id)
async def handle_video(video_id, video_title):
try:
while True:
try:
await _handle_video(video_id, video_title)
except BaseException:
logging.exception('Exception raised while notifying %s (%s)', video_id, video_title)
else:
await save_seen_videos()
break
finally:
tmp_handled_videos.discard(video_id)
async def main():
await client.start(bot_token=bot_token)
if storage_chat_id and storage_message_id:
try:
m = await client.get_messages(storage_chat_id, ids=storage_message_id)
await m.download_media('ytnotifier.data')
except BaseException:
logging.exception('Exception raised when downloading ytnotifier.data')
try:
with open('ytnotifier.data') as file:
version = file.readline().strip()
if version != '0':
logging.error('ytnotifier.data has incompatible version %s', version)
else:
while True:
video_id = file.readline().strip()
if not video_id:
break
seen_videos.add(video_id)
except BaseException:
logging.exception('Exception raised when parsing ytnotifier.data')
async with ClientSession() as session:
while True:
for i in channels:
logging.info('Checking %s', i)
async with session.get(f'https://www.youtube.com/feeds/videos.xml?channel_id={i}&a={time.time()}', headers={'Cache-Control': 'no-store, max-age=0'}) as resp:
d = feedparser.parse(await resp.text())
for e in d['entries']:
video_id = e['yt_videoid']
video_title = e['title']
if video_id not in seen_videos and video_id not in tmp_handled_videos:
tmp_handled_videos.add(video_id)
if loadmode:
seen_videos.add(video_id)
else:
logging.info('Handling %s', video_id)
asyncio.create_task(handle_video(video_id, video_title))
if loadmode:
await save_seen_videos()
break
await asyncio.sleep(wait_seconds)
if __name__ == '__main__':
client.loop.run_until_complete(main())
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