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https://github.com/python-telegram-bot/python-telegram-bot.git
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121 lines
3.9 KiB
Python
121 lines
3.9 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This program is dedicated to the public domain under the CC0 license.
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#
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# THIS EXAMPLE HAS BEEN UPDATED TO WORK WITH THE BETA VERSION 12 OF PYTHON-TELEGRAM-BOT.
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# If you're still using version 11.1.0, please see the examples at
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# https://github.com/python-telegram-bot/python-telegram-bot/tree/v11.1.0/examples
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"""
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Simple Bot to send timed Telegram messages.
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This Bot uses the Updater class to handle the bot and the JobQueue to send
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timed messages.
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First, a few handler functions are defined. Then, those functions are passed to
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the Dispatcher and registered at their respective places.
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Then, the bot is started and runs until we press Ctrl-C on the command line.
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Usage:
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Basic Alarm Bot example, sends a message after a set time.
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Press Ctrl-C on the command line or send a signal to the process to stop the
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bot.
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"""
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import logging
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from telegram.ext import Updater, CommandHandler
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# Enable logging
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logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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level=logging.INFO)
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logger = logging.getLogger(__name__)
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# Define a few command handlers. These usually take the two arguments bot and
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# update. Error handlers also receive the raised TelegramError object in error.
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def start(update, context):
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update.message.reply_text('Hi! Use /set <seconds> to set a timer')
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def alarm(context):
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"""Send the alarm message."""
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job = context.job
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context.bot.send_message(job.context, text='Beep!')
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def set_timer(update, context):
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"""Add a job to the queue."""
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chat_id = update.message.chat_id
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try:
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# args[0] should contain the time for the timer in seconds
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due = int(context.args[0])
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if due < 0:
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update.message.reply_text('Sorry we can not go back to future!')
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return
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# Add job to queue and stop current one if there is a timer already
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if 'job' in context.chat_data:
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old_job = context.chat_data['job']
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old_job.schedule_removal()
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new_job = context.job_queue.run_once(alarm, due, context=chat_id)
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context.chat_data['job'] = new_job
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update.message.reply_text('Timer successfully set!')
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except (IndexError, ValueError):
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update.message.reply_text('Usage: /set <seconds>')
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def unset(update, context):
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"""Remove the job if the user changed their mind."""
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if 'job' not in context.chat_data:
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update.message.reply_text('You have no active timer')
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return
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job = context.chat_data['job']
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job.schedule_removal()
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del context.chat_data['job']
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update.message.reply_text('Timer successfully unset!')
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def error(update, context):
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"""Log Errors caused by Updates."""
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logger.warning('Update "%s" caused error "%s"', update, context.error)
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def main():
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"""Run bot."""
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# Create the Updater and pass it your bot's token.
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# Make sure to set use_context=True to use the new context based callbacks
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# Post version 12 this will no longer be necessary
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updater = Updater("TOKEN", use_context=True)
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# Get the dispatcher to register handlers
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dp = updater.dispatcher
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# on different commands - answer in Telegram
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dp.add_handler(CommandHandler("start", start))
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dp.add_handler(CommandHandler("help", start))
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dp.add_handler(CommandHandler("set", set_timer,
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pass_args=True,
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pass_job_queue=True,
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pass_chat_data=True))
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dp.add_handler(CommandHandler("unset", unset, pass_chat_data=True))
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# log all errors
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dp.add_error_handler(error)
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# Start the Bot
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updater.start_polling()
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# Block until you press Ctrl-C or the process receives SIGINT, SIGTERM or
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# SIGABRT. This should be used most of the time, since start_polling() is
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# non-blocking and will stop the bot gracefully.
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updater.idle()
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if __name__ == '__main__':
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main()
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