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88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
# Pyrofork - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-present Dan <https://github.com/delivrance>
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# Copyright (C) 2022-present Mayuri-Chan <https://github.com/Mayuri-Chan>
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#
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# This file is part of Pyrofork.
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#
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# Pyrofork is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrofork is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrofork. If not, see <http://www.gnu.org/licenses/>.
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import asyncio
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import logging
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import signal
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from signal import signal as signal_fn, SIGINT, SIGTERM, SIGABRT
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log = logging.getLogger(__name__)
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# Signal number to name
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signals = {
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k: v for v, k in signal.__dict__.items()
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if v.startswith("SIG") and not v.startswith("SIG_")
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}
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async def idle():
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"""Block the main script execution until a signal is received.
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This function will run indefinitely in order to block the main script execution and prevent it from
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exiting while having client(s) that are still running in the background.
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It is useful for event-driven application only, that are, applications which react upon incoming Telegram
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updates through handlers, rather than executing a set of methods sequentially.
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Once a signal is received (e.g.: from CTRL+C) the function will terminate and your main script will continue.
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Don't forget to call :meth:`~pyrogram.Client.stop` for each running client before the script ends.
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Example:
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.. code-block:: python
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import asyncio
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from pyrogram import Client, idle
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async def main():
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apps = [
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Client("account1"),
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Client("account2"),
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Client("account3")
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]
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... # Set up handlers
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for app in apps:
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await app.start()
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await idle()
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for app in apps:
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await app.stop()
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asyncio.run(main())
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"""
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task = None
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def signal_handler(signum, __):
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logging.info(f"Stop signal received ({signals[signum]}). Exiting...")
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task.cancel()
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for s in (SIGINT, SIGTERM, SIGABRT):
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signal_fn(s, signal_handler)
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while True:
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task = asyncio.create_task(asyncio.sleep(600))
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try:
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await task
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except asyncio.CancelledError:
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break
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