python-telegram-bot/examples/inlinebot.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This program is dedicated to the public domain under the CC0 license.
"""
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First, a few handler functions are defined. Then, those functions are passed to
the Dispatcher and registered at their respective places.
Then, the bot is started and runs until we press Ctrl-C on the command line.
Usage:
Basic inline bot example. Applies different text transformations.
Press Ctrl-C on the command line or send a signal to the process to stop the
bot.
"""
import logging
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from uuid import uuid4
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from telegram import InlineQueryResultArticle, ParseMode, \
InputTextMessageContent
from telegram.ext import Updater, InlineQueryHandler, CommandHandler
from telegram.utils.helpers import escape_markdown
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# Enable logging
logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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 update and
# context. Error handlers also receive the raised TelegramError object in error.
def start(update, context):
"""Send a message when the command /start is issued."""
update.message.reply_text('Hi!')
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def help(update, context):
"""Send a message when the command /help is issued."""
update.message.reply_text('Help!')
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def inlinequery(update, context):
"""Handle the inline query."""
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query = update.inline_query.query
results = [
InlineQueryResultArticle(
id=uuid4(),
title="Caps",
input_message_content=InputTextMessageContent(
query.upper())),
InlineQueryResultArticle(
id=uuid4(),
title="Bold",
input_message_content=InputTextMessageContent(
"*{}*".format(escape_markdown(query)),
parse_mode=ParseMode.MARKDOWN)),
InlineQueryResultArticle(
id=uuid4(),
title="Italic",
input_message_content=InputTextMessageContent(
"_{}_".format(escape_markdown(query)),
parse_mode=ParseMode.MARKDOWN))]
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update.inline_query.answer(results)
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def error(update, context):
"""Log Errors caused by Updates."""
logger.warning('Update "%s" caused error "%s"', update, context.error)
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def main():
# Create the Updater and pass it your bot's token.
# Make sure to set use_context=True to use the new context based callbacks
# Post version 12 this will no longer be necessary
updater = Updater("TOKEN", use_context=True)
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# Get the dispatcher to register handlers
dp = updater.dispatcher
# on different commands - answer in Telegram
dp.add_handler(CommandHandler("start", start))
dp.add_handler(CommandHandler("help", help))
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# on noncommand i.e message - echo the message on Telegram
dp.add_handler(InlineQueryHandler(inlinequery))
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# log all errors
dp.add_error_handler(error)
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# Start the Bot
updater.start_polling()
# Block until the user presses Ctrl-C or the process receives SIGINT,
# SIGTERM or SIGABRT. This should be used most of the time, since
# start_polling() is non-blocking and will stop the bot gracefully.
updater.idle()
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if __name__ == '__main__':
main()