354 lines
16 KiB
Python
354 lines
16 KiB
Python
import os
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import time
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import html
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import json
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import random
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import logging
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import asyncio
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import tempfile
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import functools
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import mimetypes
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import traceback
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from itertools import zip_longest
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from urllib.parse import urlparse, urlunparse
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import yaml
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import praw
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import aiohttp
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import aiocron
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from bs4 import BeautifulSoup
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from telethon import TelegramClient, events
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from telethon.utils import chunks
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with open('config.yaml') as file:
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config_data = yaml.safe_load(file)
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tg_api_id = config_data['telegram']['api_id']
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tg_api_hash = config_data['telegram']['api_hash']
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bot_token = config_data['telegram'].get('bot_token')
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reddit_client_id = config_data['reddit']['client_id']
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reddit_client_secret = config_data['reddit']['client_secret']
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storage_chat = config_data['config'].get('storage_chat')
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storage_msg_id = config_data['config'].get('storage_message_id')
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_bkup_subreddits = config_data['config'].get('subreddits')
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_send_to_chats = config_data['config']['send_to_chats']
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send_to_chats = dict()
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for chat in _send_to_chats:
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subs = None
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if isinstance(chat, dict):
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subs = tuple(chat.values())[0]
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chat = tuple(chat.keys())[0]
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send_to_chats[chat] = subs
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bot_admins = config_data['config']['bot_admins']
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cron_duration = config_data['config']['cron_duration']
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logging.basicConfig(level=logging.INFO)
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async def main():
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zws = '\u200b'
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client = await TelegramClient('redditbot', tg_api_id, tg_api_hash).start(bot_token=bot_token)
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client.parse_mode = 'html'
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session = aiohttp.ClientSession()
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reddit = praw.Reddit(client_id=reddit_client_id, client_secret=reddit_client_secret, user_agent='linux:redditbot:v1.0.0 (by /u/the_blank_x)')
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try:
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if storage_chat and storage_msg_id:
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await (await client.get_messages(storage_chat, ids=storage_msg_id)).download_media('redditbot.json')
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with open('redditbot.json') as file:
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seen_posts = json.load(file)
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if isinstance(seen_posts, list):
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seen_posts = {'version': 0, 'chats': {'global': seen_posts}}
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except Exception:
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logging.exception('Loading JSON')
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seen_posts = {'version': 0, 'chats': {'global': []}}
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# chat dict: {chatid: [array of submission ids]}
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async def write_seen_posts():
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with open('redditbot.json', 'w') as file:
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json.dump(seen_posts, file)
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if storage_chat and storage_msg_id:
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await client.edit_message(storage_chat, storage_msg_id, file='redditbot.json')
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@aiocron.crontab(cron_duration)
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async def start_post():
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global_sp = seen_posts['chats']['global']
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for chat in send_to_chats:
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uses_bkupsub = False
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subreddits = send_to_chats[chat]
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if not subreddits:
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subreddits = _bkup_subreddits
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uses_bkupsub = True
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chat = await client.get_peer_id(chat)
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if str(chat) not in seen_posts['chats']:
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seen_posts['chats'][str(chat)] = []
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chat_sp = global_sp if uses_bkupsub else seen_posts['chats'][str(chat)]
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while True:
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random.shuffle(subreddits)
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to_break = False
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for subreddit_name in subreddits:
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subreddit = reddit.subreddit(subreddit_name)
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while True:
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random_post = subreddit.random()
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cpid = None
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if random_post is None:
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for submission in subreddit.hot():
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cpid = getattr(submission, 'crosspost_parent', None)
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if cpid:
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cpid = cpid[3:]
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if submission.id in chat_sp + global_sp or cpid in chat_sp + global_sp:
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continue
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random_post = submission
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break
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cpid = getattr(random_post, 'crosspost_parent', None)
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if cpid:
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cpid = cpid[3:]
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if random_post.id in chat_sp + global_sp or cpid in chat_sp + global_sp:
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continue
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chat_sp.append(cpid or random_post.id)
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print(random_post.id, random_post.shortlink)
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to_break = True
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break
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if to_break:
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break
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try:
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await _actual_start_post(random_post, [chat])
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except Exception:
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logging.exception(random_post.id)
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for i in bot_admins:
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await client.send_message(i, f'{random_post.id}\n{traceback.format_exc()}', parse_mode=None)
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else:
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break
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await write_seen_posts()
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async def _start_broadcast(text, file, chats):
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uploaded_files = []
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for i in file or []:
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uploaded_files.append(await client.upload_file(i))
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for chat in chats:
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for i in chunks(zip_longest(text, uploaded_files), 10):
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j, k = zip(*i)
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if not any(k):
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k = None
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if not k and len(j) == 1:
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j = j[0]
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await client.send_message(chat, j, file=k, link_preview=False)
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async def _download_file(filename, url):
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print(url)
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async with session.get(url) as resp:
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with open(filename, 'wb') as file:
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while True:
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chunk = await resp.content.read(10)
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if not chunk:
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break
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file.write(chunk)
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async def _get_file_mimetype(filename):
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mimetype = mimetypes.guess_type(filename)[0]
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if not mimetype:
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proc = await asyncio.create_subprocess_exec('file', '--brief', '--mime-type', filename, stdout=asyncio.subprocess.PIPE)
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stdout, _ = await proc.communicate()
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mimetype = stdout.decode().strip()
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return mimetype or ''
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async def _get_file_ext(filename):
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proc = await asyncio.create_subprocess_exec('file', '--brief', '--extension', filename, stdout=asyncio.subprocess.PIPE)
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stdout, _ = await proc.communicate()
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ext = stdout.decode().strip().split('/', maxsplit=1)[0]
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if not ext or ext == '???':
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mimetype = await _get_file_mimetype(filename)
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ext = mimetypes.guess_extension(mimetype) or '.bin'
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if not ext.startswith('.'):
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ext = '.' + ext
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return ext
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async def _actual_start_post(random_post, chats):
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text = f'<a href="{random_post.shortlink}">{html.escape(random_post.title)}</a>'
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cpid = getattr(random_post, 'crosspost_parent', None)
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if cpid and getattr(random_post, 'crosspost_parent_list', None):
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random_post = reddit.submission(cpid[3:])
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text += f' (crosspost of <a href="{random_post.shortlink}">{html.escape(random_post.title)}</a>)'
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if not random_post.is_self:
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with tempfile.TemporaryDirectory() as tempdir:
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url = random_post.url
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filename = os.path.join(tempdir, str(time.time()))
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files = [filename]
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captions = [text]
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if random_post.is_video:
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ffmpeg_exists = any(True for i in os.environ.get('PATH', '').split(':') if os.path.exists(os.path.join(i, 'ffmpeg')))
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reddit_video = random_post.secure_media['reddit_video']
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for i in ('hls_url', 'dash_url'):
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if not ffmpeg_exists:
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continue
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url = reddit_video.get(i)
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if not url:
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continue
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print(url)
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proc = await asyncio.create_subprocess_exec('ffmpeg', '-nostdin', '-y', '-i', url, '-c', 'copy', '-f', 'mp4', filename)
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await proc.communicate()
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if not proc.returncode:
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url = None
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break
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else:
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url = reddit_video['fallback_url']
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elif getattr(random_post, 'is_gallery', None):
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files = []
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captions = []
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for a, i in enumerate(random_post.media_metadata):
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captions.append(f'{text}\n#{a + 1}')
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filename = os.path.join(tempdir, str(time.time()))
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i = random_post.media_metadata[i]
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await _download_file(filename, i['s']['u'])
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files.append(filename)
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url = None
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if url:
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parsed = list(urlparse(url))
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splitted = os.path.splitext(parsed[2])
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domain = getattr(random_post, 'domain', parsed[1])
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preview = getattr(random_post, 'preview', None)
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if domain.endswith('imgur.com'):
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parsed[1] = 'i.imgur.com'
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if parsed[2].startswith('/a/'):
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albumid = os.path.split(parsed[2])[1]
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async with session.get(f'https://imgur.com/ajaxalbums/getimages/{albumid}/hit.json?all=true') as resp:
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apidata = (await resp.json())['data']
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if apidata['count'] == 1:
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parsed[2] = apidata['images'][0]['hash'] + apidata['images'][0]['ext']
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desc = apidata['images'][0]['description']
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if desc:
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captions[0] += '\n' + html.escape(desc)
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else:
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files = []
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captions = []
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for a, i in enumerate(apidata['images']):
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to_append = f'#{a + 1}'
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desc = i['description']
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if desc:
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to_append += ': ' + desc.strip()
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caplength = 2047 - len(client.parse_mode.parse(text)[0])
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captext = to_append[:caplength]
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if len(captext) >= caplength:
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captext = captext[:-1]
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captext += '…'
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captions.append(text + '\n' + html.escape(captext))
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filename = os.path.join(tempdir, str(time.time()))
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await _download_file(filename, f'https://i.imgur.com/{i["hash"]}{i["ext"]}')
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files.append(filename)
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url = None
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if splitted[1] == '.gifv':
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parsed[2] = splitted[0] + '.mp4'
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if url:
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url = urlunparse(parsed)
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elif domain == 'gfycat.com':
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async with session.get(f'https://api.gfycat.com/v1/gfycats/{parsed[2]}') as resp:
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apidata = await resp.json()
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gfyitem = apidata.get('gfyItem')
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if gfyitem:
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url = gfyitem.get('mp4Url', url)
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elif random_post.is_reddit_media_domain and splitted[1] == '.gif' and preview:
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preview = preview['images'][0]['variants']
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for i in ('mp4', 'gif'):
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if i in preview:
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url = preview[i]['source']['url']
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break
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if url:
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await _download_file(filename, url)
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mimetype = await _get_file_mimetype(filename)
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if mimetype.startswith('image') and preview and preview['enabled']:
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preview = preview['images'][0]
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urls = [i['url'] for i in preview['resolutions']]
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urls.append(preview['source']['url'])
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urls.reverse()
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for url in urls:
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if os.path.getsize(filename) < 10000000:
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break
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await _download_file(filename, url)
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ext = await _get_file_ext(filename)
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if ext.startswith('.htm'):
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with open(filename) as file:
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soup = BeautifulSoup(file.read())
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ptitle = soup.find(lambda tag: tag.name == 'meta' and tag.attrs.get('property') == 'og:title' and tag.attrs.get('content')) or soup.find('title')
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if ptitle:
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ptitle = ptitle.attrs.get('content', ptitle.text).strip()
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pdesc = soup.find(lambda tag: tag.name == 'meta' and tag.attrs.get('property') == 'og:description' and tag.attrs.get('content')) or soup.find(lambda tag: tag.name == 'meta' and tag.attrs.get('name') == 'description' and tag.attrs.get('content'))
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if pdesc:
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pdesc = pdesc.attrs.get('content', pdesc.text).strip()
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pimg = soup.find(lambda tag: tag.name == 'meta' and tag.attrs.get('property') == 'og:image' and tag.attrs.get('content'))
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if pimg:
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pimg = pimg.attrs.get('content', '').strip()
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tat = f'{text}\n\nURL: '
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if ptitle:
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tat += f'<a href="{url}">{html.escape(ptitle)}</a>'
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else:
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tat += url
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files = []
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if pimg:
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await _download_file(filename, pimg)
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files.append(filename)
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else:
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tat = f'<a href="{url}">{zws}</a>{tat}'
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if pdesc:
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caplength = 2047 if pimg else 4095
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caplength -= len(client.parse_mode.parse(tat)[0])
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captext = pdesc[:caplength]
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if len(captext) >= caplength:
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captext = captext[:-1]
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captext += '…'
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tat += '\n' + captext
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captions = [tat]
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for a, i in enumerate(files):
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ext = await _get_file_ext(i)
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os.rename(i, i + ext)
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files[a] = i + ext
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await _start_broadcast(captions, files, chats)
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else:
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if getattr(random_post, 'selftext', None):
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caplength = 4094 - len(client.parse_mode.parse(text)[0])
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text += '\n\n'
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captext = random_post.selftext.strip()[:caplength]
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if len(captext) >= caplength:
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captext = captext[:-1]
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captext += '…'
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text += html.escape(captext)
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await _start_broadcast([text], None, chats)
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def register(pattern):
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def wrapper(func):
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@functools.wraps(func)
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@client.on(events.NewMessage(chats=bot_admins, pattern=pattern))
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async def awrapper(e):
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try:
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await func(e)
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except Exception:
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await e.reply(traceback.format_exc(), parse_mode=None)
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raise
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return awrapper
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return wrapper
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@register('/(start|help)')
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async def start_or_help(e):
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await e.reply(('/start - /help\n'
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'/help - /start\n'
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'/poweroff - shuts down bot\n'
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'/test <submission id> - tests sending submission'), parse_mode=None)
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@register('/poweroff')
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async def poweroff(e):
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await e.reply('ok')
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await e.client.disconnect()
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@register('/test (.+)')
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async def test_post(e):
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await e.reply('ok')
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post = reddit.submission(e.pattern_match.group(1))
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await _actual_start_post(post, [e.chat_id])
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# await start_post.func()
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try:
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await client.run_until_disconnected()
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finally:
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await session.close()
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if __name__ == '__main__':
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asyncio.run(main())
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