250 lines
12 KiB
Python
250 lines
12 KiB
Python
import re
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import os
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import json
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import time
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import asyncio
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import logging
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import tempfile
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import traceback
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import feedparser
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from io import BytesIO
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from decimal import Decimal
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from urllib.parse import quote as urlencode, urlparse
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from youtube_dl import YoutubeDL
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from . import session, config, client, seen_videos
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from .utils import update_seen_videos
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from .cappedio import bopen
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tmp_handled = []
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size_limit = 2000 * 1024 * 1024
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live_regex = re.compile(r'error: (?:autoytarchive:([0-9]+) )?(?:this live event will begin|premieres) in .+', re.I)
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strip_date = re.compile(r' \d{4}-\d{2}-\d{2} \d{2}:\d{2}$')
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ytdl = YoutubeDL({'skip_download': True, 'no_color': True})
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ytdl.add_default_info_extractors()
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async def check_channels(nodl):
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if nodl:
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await _check_channels(True)
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return
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while True:
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try:
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await _check_channels(False)
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except BaseException:
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logging.exception('Exception encountered with check channels')
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try:
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with BytesIO(traceback.format_exc().encode()) as file:
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file.name = 'check-channels-error.txt'
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file.seek(0)
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await client.send_message(config['config']['storage_chat_id'], 'Exception encountered with check channels', file=file)
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except BaseException:
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logging.exception('Exception encountered when sending message to Telegram about check channels exception')
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await asyncio.sleep(config['config']['wait_seconds'])
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check_channels_lock = asyncio.Lock()
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async def _check_channels(nodl):
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async with check_channels_lock:
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for i in config['config']['channels']:
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logging.info('Checking channel %s', i)
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async with session.get(f'https://youtube.com/feeds/videos.xml?channel_id={urlencode(i)}&a={time.time()}') as resp:
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data = feedparser.parse(await resp.text())
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for j in data['items']:
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if j['yt_videoid'] in seen_videos + tmp_handled:
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continue
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if nodl:
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seen_videos.append(j['yt_videoid'])
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continue
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asyncio.create_task(check_video(j))
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tmp_handled.append(j['yt_videoid'])
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async def check_video(video):
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for _ in range(5):
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try:
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return await _check_video(video)
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except BaseException:
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logging.exception('Exception encountered with checking video %s', video.get('yt_videoid'))
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try:
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with BytesIO(traceback.format_exc().encode()) as file:
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file.name = f'check-videos-error-{video.get("yt_videoid")}.txt'
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file.seek(0)
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await client.send_message(config['config']['storage_chat_id'], f'Exception encountered with checking video {video.get("yt_videoid")}', file=file, parse_mode=None)
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except BaseException:
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logging.exception('Exception encountered when sending message to Telegram about checking video %s exception', video.get('yt_videoid'))
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async def _check_video(video):
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logging.info('Checking video %s', video['yt_videoid'])
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first_try_live = waited = False
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too_many_requests_count = 1
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while True:
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try:
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video_json = await client.loop.run_in_executor(None, ytdl.extract_info, video['link'])
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except BaseException as e:
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wait_time = 30
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message = str(e)
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if '429' in message or 'too many' in message.lower():
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wait_time = too_many_requests_count * 60 * 60
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too_many_requests_count += 1
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elif match := live_regex.match(message.rstrip('.')):
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end_schedule_time = match.group(1) or 0
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if end_schedule_time := int(end_schedule_time):
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tmp_wait_time = end_schedule_time - time.time()
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if tmp_wait_time > wait_time:
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wait_time = tmp_wait_time
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await asyncio.sleep(wait_time)
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waited = True
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else:
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if not waited:
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first_try_live = True
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break
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if not video_json.get('is_live'):
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first_try_live = False
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video_queue.put_nowait((video_json, time.time(), first_try_live))
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video_queue = asyncio.Queue()
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async def video_worker():
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while True:
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try:
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await _video_worker()
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except BaseException:
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logging.exception('Exception encountered with video worker')
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try:
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with BytesIO(traceback.format_exc().encode()) as file:
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file.name = 'video-worker-error.txt'
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file.seek(0)
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await client.send_message(config['config']['storage_chat_id'], 'Exception encountered with video worker', file=file)
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except BaseException:
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logging.exception('Exception encountered when sending message to Telegram about video worker exception')
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async def _video_worker():
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while True:
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video_json, start_time, first_try_live = await video_queue.get()
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late_to_queue = (Decimal(time.time()) - Decimal(start_time)) > 5
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is_late = first_try_live or late_to_queue
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command = ['ffmpeg', '-y']
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tempdir_obj = tempfile.TemporaryDirectory(dir='.')
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try:
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tempdir = tempdir_obj.name
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if late_to_queue:
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for i in range(5):
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wait_time = 30
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try:
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tmp = await client.loop.run_in_executor(None, ytdl.extract_info, video_json['id'])
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except BaseException as e:
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e = str(e)
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if '429' in e or 'too many request' in e.lower():
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wait_time = (i + 1) * 60 * 60
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else:
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video_json = tmp
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break
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await asyncio.sleep(wait_time)
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if video_json.get('requested_formats'):
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for i in video_json['requested_formats']:
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command.extend(('-i', i['url']))
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else:
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command.extend(('-i', video_json['url']))
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video_filename = os.path.join(tempdir, video_json['id'] + '.mkv')
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command.extend(('-c', 'copy', video_filename))
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proc = await asyncio.create_subprocess_exec(*command)
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text = 'New video'
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if is_late:
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text += ' (is late)'
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video_json['title'] = strip_date.sub('', video_json['title']).strip()
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text += f': {video_json["title"]}\nhttps://youtube.com/watch?v={video_json["id"]}'
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with BytesIO(json.dumps(video_json, indent=4).encode()) as file:
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file.name = video_json['id'] + '.json'
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file.seek(0)
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await client.send_file(config['config']['storage_chat_id'], file, caption=text, parse_mode=None)
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if video_json.get('thumbnail'):
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thumbnail_ext = os.path.splitext(urlparse(video_json['thumbnail']).path)[1]
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thumbnail_filename = os.path.join(tempdir, video_json['id'] + thumbnail_ext)
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async with session.get(video_json['thumbnail']) as resp:
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with open(thumbnail_filename, 'wb') as file:
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while True:
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chunk = await resp.content.read(4096)
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if not chunk:
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break
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file.write(chunk)
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await client.send_file(config['config']['storage_chat_id'], thumbnail_filename, caption=text, parse_mode=None)
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os.remove(thumbnail_filename)
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for _ in range(50):
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await proc.communicate()
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if not proc.returncode:
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break
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wait_time = 30
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if video_json.get('duration'):
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is_manifest = False
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if video_json.get('url'):
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is_manifest = urlparse(video_json['url']).netloc == 'manifest.googlevideo.com'
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if not is_manifest and video_json.get('requested_formats'):
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for i in video_json['requested_formats']:
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if urlparse(i['url']).netloc == 'manifest.googlevideo.com':
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is_manifest = True
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break
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if is_manifest:
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wait_time += video_json['duration']
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try:
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await client.send_message(config['config']['storage_chat_id'], f'Failed to download video {video_json["id"]}, please check logs', parse_mode=None)
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except BaseException:
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logging.exception('Exception encountered when sending message to Telegram about download failure exception')
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for i in range(5):
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try:
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tmp = await client.loop.run_in_executor(None, ytdl.extract_info, video_json['id'])
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except BaseException as e:
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e = str(e)
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if '429' in e or 'too many request' in e.lower():
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wait_time = (i + 1) * 60 * 60
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else:
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video_json = tmp
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break
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await asyncio.sleep(wait_time)
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except BaseException:
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tempdir_obj.cleanup()
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raise
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upload_queue.put_nowait((tempdir_obj, video_json))
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video_queue.task_done()
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upload_queue = asyncio.Queue()
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async def upload_worker():
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while True:
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try:
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await _upload_worker()
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except BaseException:
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logging.exception('Exception encountered with upload worker')
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try:
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with BytesIO(traceback.format_exc().encode()) as file:
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file.name = 'upload-worker-error.txt'
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file.seek(0)
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await client.send_message(config['config']['storage_chat_id'], 'Exception encountered with upload worker', file=file)
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except BaseException:
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logging.exception('Exception encountered when sending message to Telegram about upload worker exception')
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async def _upload_worker():
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while True:
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tempdir_obj, video_json = await upload_queue.get()
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try:
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tempdir = tempdir_obj.name
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base_filename = video_json['id'] + '.mkv'
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video_filename = os.path.join(tempdir, base_filename)
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total_size = os.path.getsize(video_filename)
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is_big = total_size > size_limit
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files_sent = size_sent = 0
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messages = []
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file = bopen(video_filename, size_limit)
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while total_size > 0:
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file.seek(size_sent)
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if is_big:
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file.name = f'{base_filename}.part{str(files_sent).rjust(2, "0")}'
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messages.append((await client.send_message(config['config']['storage_chat_id'], f'Uploading {file.name}...', parse_mode=None)).id)
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message = await client.send_file(config['config']['storage_chat_id'], file, caption=file.name, parse_mode=None)
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total_size -= message.document.size
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if total_size > 0:
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size_sent += message.document.size
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files_sent += 1
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file = bopen(video_filename, size_limit)
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if messages:
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await client.delete_messages(config['config']['storage_chat_id'], messages)
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finally:
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tempdir_obj.cleanup()
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seen_videos.append(video_json['id'])
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await update_seen_videos()
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upload_queue.task_done()
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