mirror of
https://github.com/alfem/telegram-download-daemon.git
synced 2024-09-20 14:56:06 +08:00
190 lines
6 KiB
Python
190 lines
6 KiB
Python
#!/usr/bin/env python3
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# Telegram Download Daemon
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# Author: Alfonso E.M. <alfonso@el-magnifico.org>
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# You need to install telethon (and cryptg to speed up downloads)
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from os import getenv, rename
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import subprocess
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import math
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from sessionManager import getSession, saveSession
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from telethon import TelegramClient, events
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from telethon.tl.types import PeerChannel, DocumentAttributeFilename, DocumentAttributeVideo
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import logging
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logging.basicConfig(format='[%(levelname) 5s/%(asctime)s]%(name)s:%(message)s',
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level=logging.WARNING)
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import multiprocessing
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import argparse
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import asyncio
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TELEGRAM_DAEMON_API_ID = getenv("TELEGRAM_DAEMON_API_ID")
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TELEGRAM_DAEMON_API_HASH = getenv("TELEGRAM_DAEMON_API_HASH")
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TELEGRAM_DAEMON_CHANNEL = getenv("TELEGRAM_DAEMON_CHANNEL")
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TELEGRAM_DAEMON_SESSION_PATH = getenv("TELEGRAM_DAEMON_SESSION_PATH")
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TELEGRAM_DAEMON_DEST=getenv("TELEGRAM_DAEMON_DEST", "/telegram-downloads")
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TELEGRAM_DAEMON_TEMP=getenv("TELEGRAM_DAEMON_TEMP", "")
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TELEGRAM_DAEMON_TEMP_SUFFIX="tdd"
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parser = argparse.ArgumentParser(
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description="Script to download files from Telegram Channel.")
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parser.add_argument(
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"--api-id",
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required=TELEGRAM_DAEMON_API_ID == None,
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type=int,
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default=TELEGRAM_DAEMON_API_ID,
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help=
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'api_id from https://core.telegram.org/api/obtaining_api_id (default is TELEGRAM_DAEMON_API_ID env var)'
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)
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parser.add_argument(
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"--api-hash",
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required=TELEGRAM_DAEMON_API_HASH == None,
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type=str,
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default=TELEGRAM_DAEMON_API_HASH,
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help=
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'api_hash from https://core.telegram.org/api/obtaining_api_id (default is TELEGRAM_DAEMON_API_HASH env var)'
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)
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parser.add_argument(
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"--dest",
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type=str,
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default=TELEGRAM_DAEMON_DEST,
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help=
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'Destination path for downloaded files (default is /telegram-downloads).')
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parser.add_argument(
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"--temp",
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type=str,
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default=TELEGRAM_DAEMON_DEST,
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help=
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'Destination path for temporary files (default is using the same downloaded files directory).')
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parser.add_argument(
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"--channel",
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required=TELEGRAM_DAEMON_CHANNEL == None,
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type=int,
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default=TELEGRAM_DAEMON_CHANNEL,
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help=
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'Channel id to download from it (default is TELEGRAM_DAEMON_CHANNEL env var'
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)
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args = parser.parse_args()
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api_id = args.api_id
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api_hash = args.api_hash
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channel_id = args.channel
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downloadFolder = args.dest
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tempFolder = args.temp
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worker_count = multiprocessing.cpu_count()
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# Edit these lines:
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proxy = None
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# End of interesting parameters
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async def sendHelloMessage(client, peerChannel):
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entity = await client.get_entity(peerChannel)
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print("Hi! Ready for your files!")
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await client.send_message(entity, "Hi! Ready for your files!")
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async def log_reply(event : events.ChatAction.Event, reply):
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print(reply)
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await event.reply(reply)
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def getFilename(event: events.NewMessage.Event):
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for attribute in event.media.document.attributes:
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if isinstance(attribute, DocumentAttributeFilename): return attribute.file_name
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if isinstance(attribute, DocumentAttributeVideo): return event.original_update.message.message
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in_progress={}
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def set_progress(filename, received, total):
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if received >= total:
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try: in_progress.pop(filename)
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except: pass
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return
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percentage = math.trunc(received / total * 10000) / 100;
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in_progress[filename] = f"{percentage} % ({received} / {total})"
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with TelegramClient(getSession(), api_id, api_hash,
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proxy=proxy).start() as client:
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saveSession(client.session)
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queue = asyncio.Queue()
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peerChannel = PeerChannel(channel_id)
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@client.on(events.NewMessage())
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async def handler(event):
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if event.to_id != peerChannel:
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return
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print(event)
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if not event.media and event.message:
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command = event.message.message
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command = command.lower()
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output = "Unknown command"
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if command == "list":
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output = subprocess.run(["ls", "-l", downloadFolder], capture_output=True).stdout
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output = output.decode('utf-8')
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if command == "status":
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try:
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output = "".join([ f"{key}: {value}\n" for (key, value) in in_progress.items()])
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if output: output = "Active downloads:\n\n" + output
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else: output = "No active downloads"
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except:
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output = "Some error occured while checking the status. Retry."
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if command == "clean":
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output = subprocess.run(["rm", "*.tdd", tempFolder], capture_output=True).stdout
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output = output.decode('utf-8')
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await log_reply(event, output)
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if event.media:
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filename=getFilename(event)
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await log_reply(event, f"{filename} added to queue")
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queue.put_nowait(event)
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async def worker():
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while True:
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event = await queue.get()
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filename=getFilename(event)
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await log_reply(
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event,
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f"Downloading file {filename} ({event.media.document.size} bytes)"
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)
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download_callback = lambda received, total: set_progress(filename, received, total)
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await client.download_media(event.message, f"{tempFolder}/{filename}.{TELEGRAM_DAEMON_TEMP_SUFFIX}", progress_callback = download_callback)
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set_progress(filename, 1, 1)
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rename(f"{tempFolder}/{filename}.{TELEGRAM_DAEMON_TEMP_SUFFIX}", f"{downloadFolder}/{filename}")
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await log_reply(event, f"{filename} ready")
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queue.task_done()
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async def start():
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tasks = []
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loop = asyncio.get_event_loop()
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for i in range(worker_count):
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task = loop.create_task(worker())
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tasks.append(task)
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await sendHelloMessage(client, peerChannel)
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await client.run_until_disconnected()
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for task in tasks:
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task.cancel()
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await asyncio.gather(*tasks, return_exceptions=True)
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client.loop.run_until_complete(start())
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