#!/usr/bin/env python # pylint: disable=unused-argument,wrong-import-position # This program is dedicated to the public domain under the CC0 license. """ Simple example of a Telegram WebApp which displays a color picker. The static website for this website is hosted by the PTB team for your convenience. Currently only showcases starting the WebApp via a KeyboardButton, as all other methods would require a bot token. """ import json import logging 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] 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://github.com/python-telegram-bot/python-telegram-bot/tree/v{TG_VER}/examples" ) from telegram import KeyboardButton, ReplyKeyboardMarkup, ReplyKeyboardRemove, Update, WebAppInfo from telegram.ext import Application, CommandHandler, ContextTypes, MessageHandler, filters # Enable logging logging.basicConfig( format="%(asctime)s - %(name)s - %(levelname)s - %(message)s", level=logging.INFO ) logger = logging.getLogger(__name__) # Define a `/start` command handler. async def start(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None: """Send a message with a button that opens a the web app.""" await update.message.reply_text( "Please press the button below to choose a color via the WebApp.", reply_markup=ReplyKeyboardMarkup.from_button( KeyboardButton( text="Open the color picker!", web_app=WebAppInfo(url="https://python-telegram-bot.org/static/webappbot"), ) ), ) # Handle incoming WebAppData async def web_app_data(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None: """Print the received data and remove the button.""" # Here we use `json.loads`, since the WebApp sends the data JSON serialized string # (see webappbot.html) data = json.loads(update.effective_message.web_app_data.data) await update.message.reply_html( text=f"You selected the color with the HEX value {data['hex']}. The " f"corresponding RGB value is {tuple(data['rgb'].values())}.", reply_markup=ReplyKeyboardRemove(), ) def main() -> None: """Start the bot.""" # Create the Application and pass it your bot's token. application = Application.builder().token("TOKEN").build() application.add_handler(CommandHandler("start", start)) application.add_handler(MessageHandler(filters.StatusUpdate.WEB_APP_DATA, web_app_data)) # Run the bot until the user presses Ctrl-C application.run_polling() if __name__ == "__main__": main()