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#!/usr/bin/env python
# pylint: disable=unused-argument
# This program is dedicated to the public domain under the CC0 license.
"""
First, a few callback functions are defined. Then, those functions are passed to
the Application and registered at their respective places.
Then, the bot is started and runs until we press Ctrl-C on the command line.
Usage:
Example of a bot-user conversation using ConversationHandler.
Send /start to initiate the conversation.
Press Ctrl-C on the command line or send a signal to the process to stop the
bot.
"""
import logging
from telegram import ReplyKeyboardMarkup, ReplyKeyboardRemove, Update
from telegram.ext import (
Application,
CommandHandler,
ContextTypes,
ConversationHandler,
MessageHandler,
PicklePersistence,
filters,
)
# Enable logging
logging.basicConfig(
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s", level=logging.INFO
)
# set higher logging level for httpx to avoid all GET and POST requests being logged
logging.getLogger("httpx").setLevel(logging.WARNING)
logger = logging.getLogger(__name__)
CHOOSING, TYPING_REPLY, TYPING_CHOICE = range(3)
reply_keyboard = [
["Age", "Favourite colour"],
["Number of siblings", "Something else..."],
["Done"],
]
markup = ReplyKeyboardMarkup(reply_keyboard, one_time_keyboard=True)
def facts_to_str(user_data: dict[str, str]) -> str:
"""Helper function for formatting the gathered user info."""
facts = [f"{key} - {value}" for key, value in user_data.items()]
return "\n".join(facts).join(["\n", "\n"])
async def start(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
"""Start the conversation, display any stored data and ask user for input."""
reply_text = "Hi! My name is Doctor Botter."
if context.user_data:
reply_text += (
f" You already told me your {', '.join(context.user_data.keys())}. Why don't you "
"tell me something more about yourself? Or change anything I already know."
)
else:
reply_text += (
" I will hold a more complex conversation with you. Why don't you tell me "
"something about yourself?"
)
await update.message.reply_text(reply_text, reply_markup=markup)
return CHOOSING
async def regular_choice(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
"""Ask the user for info about the selected predefined choice."""
text = update.message.text.lower()
context.user_data["choice"] = text
if context.user_data.get(text):
reply_text = (
f"Your {text}? I already know the following about that: {context.user_data[text]}"
)
else:
reply_text = f"Your {text}? Yes, I would love to hear about that!"
await update.message.reply_text(reply_text)
return TYPING_REPLY
async def custom_choice(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
"""Ask the user for a description of a custom category."""
await update.message.reply_text(
'Alright, please send me the category first, for example "Most impressive skill"'
)
return TYPING_CHOICE
async def received_information(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
"""Store info provided by user and ask for the next category."""
text = update.message.text
category = context.user_data["choice"]
context.user_data[category] = text.lower()
del context.user_data["choice"]
await update.message.reply_text(
"Neat! Just so you know, this is what you already told me:"
f"{facts_to_str(context.user_data)}"
"You can tell me more, or change your opinion on something.",
reply_markup=markup,
)
return CHOOSING
async def show_data(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
"""Display the gathered info."""
await update.message.reply_text(
f"This is what you already told me: {facts_to_str(context.user_data)}"
)
async def done(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
"""Display the gathered info and end the conversation."""
if "choice" in context.user_data:
del context.user_data["choice"]
await update.message.reply_text(
f"I learned these facts about you: {facts_to_str(context.user_data)}Until next time!",
reply_markup=ReplyKeyboardRemove(),
)
return ConversationHandler.END
def main() -> None:
"""Run the bot."""
# Create the Application and pass it your bot's token.
persistence = PicklePersistence(filepath="conversationbot")
application = Application.builder().token("TOKEN").persistence(persistence).build()
# Add conversation handler with the states CHOOSING, TYPING_CHOICE and TYPING_REPLY
conv_handler = ConversationHandler(
entry_points=[CommandHandler("start", start)],
states={
CHOOSING: [
MessageHandler(
filters.Regex("^(Age|Favourite colour|Number of siblings)$"), regular_choice
),
MessageHandler(filters.Regex("^Something else...$"), custom_choice),
],
TYPING_CHOICE: [
MessageHandler(
filters.TEXT & ~(filters.COMMAND | filters.Regex("^Done$")), regular_choice
)
],
TYPING_REPLY: [
MessageHandler(
filters.TEXT & ~(filters.COMMAND | filters.Regex("^Done$")),
received_information,
)
],
},
fallbacks=[MessageHandler(filters.Regex("^Done$"), done)],
name="my_conversation",
persistent=True,
)
application.add_handler(conv_handler)
show_data_handler = CommandHandler("show_data", show_data)
application.add_handler(show_data_handler)
# Run the bot until the user presses Ctrl-C
application.run_polling(allowed_updates=Update.ALL_TYPES)
if __name__ == "__main__":
main()
|
