mirror of
https://github.com/python-telegram-bot/python-telegram-bot.git
synced 2024-12-22 22:45:09 +01:00
77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
#!/usr/bin/env python
|
|
# pylint: disable=wrong-import-position
|
|
"""Simple Bot to reply to Telegram messages.
|
|
|
|
This is built on the API wrapper, see echobot.py to see the same example built
|
|
on the telegram.ext bot framework.
|
|
This program is dedicated to the public domain under the CC0 license.
|
|
"""
|
|
import asyncio
|
|
import contextlib
|
|
import logging
|
|
from typing import NoReturn
|
|
|
|
from telegram import __version__ as TG_VER
|
|
|
|
try:
|
|
from telegram import __version_info__
|
|
except ImportError:
|
|
__version_info__ = (0, 0, 0, 0, 0) # type: ignore[assignment] # type: ignore[assignment]
|
|
|
|
if __version_info__ < (20, 0, 0, "alpha", 1):
|
|
raise RuntimeError(
|
|
f"This example is not compatible with your current PTB version {TG_VER}. To view the "
|
|
f"{TG_VER} version of this example, "
|
|
f"visit https://docs.python-telegram-bot.org/en/v{TG_VER}/examples.html"
|
|
)
|
|
from telegram import Bot
|
|
from telegram.error import Forbidden, NetworkError
|
|
|
|
logging.basicConfig(
|
|
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s", level=logging.INFO
|
|
)
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
async def main() -> NoReturn:
|
|
"""Run the bot."""
|
|
# Here we use the `async with` syntax to properly initialize and shutdown resources.
|
|
async with Bot("TOKEN") as bot:
|
|
# get the first pending update_id, this is so we can skip over it in case
|
|
# we get a "Forbidden" exception.
|
|
try:
|
|
update_id = (await bot.get_updates())[0].update_id
|
|
except IndexError:
|
|
update_id = None
|
|
|
|
logger.info("listening for new messages...")
|
|
while True:
|
|
try:
|
|
update_id = await echo(bot, update_id)
|
|
except NetworkError:
|
|
await asyncio.sleep(1)
|
|
except Forbidden:
|
|
# The user has removed or blocked the bot.
|
|
update_id += 1
|
|
|
|
|
|
async def echo(bot: Bot, update_id: int) -> int:
|
|
"""Echo the message the user sent."""
|
|
# Request updates after the last update_id
|
|
updates = await bot.get_updates(offset=update_id, timeout=10)
|
|
for update in updates:
|
|
next_update_id = update.update_id + 1
|
|
|
|
# your bot can receive updates without messages
|
|
# and not all messages contain text
|
|
if update.message and update.message.text:
|
|
# Reply to the message
|
|
logger.info("Found message %s!", update.message.text)
|
|
await update.message.reply_text(update.message.text)
|
|
return next_update_id
|
|
return update_id
|
|
|
|
|
|
if __name__ == "__main__":
|
|
with contextlib.suppress(KeyboardInterrupt): # Ignore exception when Ctrl-C is pressed
|
|
asyncio.run(main())
|