mirror of
https://github.com/python-telegram-bot/python-telegram-bot.git
synced 2024-11-24 16:17:37 +01:00
399 lines
13 KiB
Python
399 lines
13 KiB
Python
#!/usr/bin/env python
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# pylint: disable=unused-argument, wrong-import-position
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# This program is dedicated to the public domain under the CC0 license.
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"""
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First, a few callback functions are defined. Then, those functions are passed to
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the Application 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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Example of a bot-user conversation using nested ConversationHandlers.
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Send /start to initiate the conversation.
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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 typing import Any, Dict, Tuple
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from telegram import __version__ as TG_VER
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try:
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from telegram import __version_info__
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except ImportError:
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__version_info__ = (0, 0, 0, 0, 0) # type: ignore[assignment]
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if __version_info__ < (20, 0, 0, "alpha", 1):
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raise RuntimeError(
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f"This example is not compatible with your current PTB version {TG_VER}. To view the "
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f"{TG_VER} version of this example, "
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f"visit https://github.com/python-telegram-bot/python-telegram-bot/tree/v{TG_VER}/examples"
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)
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from telegram import InlineKeyboardButton, InlineKeyboardMarkup, Update
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from telegram.ext import (
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Application,
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CallbackQueryHandler,
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CommandHandler,
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ContextTypes,
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ConversationHandler,
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MessageHandler,
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filters,
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)
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# Enable logging
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logging.basicConfig(
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format="%(asctime)s - %(name)s - %(levelname)s - %(message)s", level=logging.INFO
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)
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logger = logging.getLogger(__name__)
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# State definitions for top level conversation
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SELECTING_ACTION, ADDING_MEMBER, ADDING_SELF, DESCRIBING_SELF = map(chr, range(4))
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# State definitions for second level conversation
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SELECTING_LEVEL, SELECTING_GENDER = map(chr, range(4, 6))
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# State definitions for descriptions conversation
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SELECTING_FEATURE, TYPING = map(chr, range(6, 8))
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# Meta states
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STOPPING, SHOWING = map(chr, range(8, 10))
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# Shortcut for ConversationHandler.END
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END = ConversationHandler.END
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# Different constants for this example
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(
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PARENTS,
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CHILDREN,
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SELF,
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GENDER,
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MALE,
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FEMALE,
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AGE,
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NAME,
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START_OVER,
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FEATURES,
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CURRENT_FEATURE,
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CURRENT_LEVEL,
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) = map(chr, range(10, 22))
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# Helper
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def _name_switcher(level: str) -> Tuple[str, str]:
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if level == PARENTS:
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return "Father", "Mother"
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return "Brother", "Sister"
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# Top level conversation callbacks
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async def start(update: Update, context: ContextTypes.DEFAULT_TYPE) -> str:
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"""Select an action: Adding parent/child or show data."""
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text = (
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"You may choose to add a family member, yourself, show the gathered data, or end the "
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"conversation. To abort, simply type /stop."
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)
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buttons = [
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[
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InlineKeyboardButton(text="Add family member", callback_data=str(ADDING_MEMBER)),
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InlineKeyboardButton(text="Add yourself", callback_data=str(ADDING_SELF)),
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],
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[
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InlineKeyboardButton(text="Show data", callback_data=str(SHOWING)),
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InlineKeyboardButton(text="Done", callback_data=str(END)),
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],
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]
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keyboard = InlineKeyboardMarkup(buttons)
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# If we're starting over we don't need to send a new message
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if context.user_data.get(START_OVER):
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await update.callback_query.answer()
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await update.callback_query.edit_message_text(text=text, reply_markup=keyboard)
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else:
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await update.message.reply_text(
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"Hi, I'm Family Bot and I'm here to help you gather information about your family."
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)
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await update.message.reply_text(text=text, reply_markup=keyboard)
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context.user_data[START_OVER] = False
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return SELECTING_ACTION
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async def adding_self(update: Update, context: ContextTypes.DEFAULT_TYPE) -> str:
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"""Add information about yourself."""
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context.user_data[CURRENT_LEVEL] = SELF
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text = "Okay, please tell me about yourself."
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button = InlineKeyboardButton(text="Add info", callback_data=str(MALE))
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keyboard = InlineKeyboardMarkup.from_button(button)
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await update.callback_query.answer()
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await update.callback_query.edit_message_text(text=text, reply_markup=keyboard)
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return DESCRIBING_SELF
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async def show_data(update: Update, context: ContextTypes.DEFAULT_TYPE) -> str:
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"""Pretty print gathered data."""
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def pretty_print(data: Dict[str, Any], level: str) -> str:
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people = data.get(level)
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if not people:
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return "\nNo information yet."
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return_str = ""
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if level == SELF:
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for person in data[level]:
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return_str += f"\nName: {person.get(NAME, '-')}, Age: {person.get(AGE, '-')}"
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else:
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male, female = _name_switcher(level)
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for person in data[level]:
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gender = female if person[GENDER] == FEMALE else male
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return_str += (
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f"\n{gender}: Name: {person.get(NAME, '-')}, Age: {person.get(AGE, '-')}"
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)
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return return_str
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user_data = context.user_data
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text = f"Yourself:{pretty_print(user_data, SELF)}"
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text += f"\n\nParents:{pretty_print(user_data, PARENTS)}"
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text += f"\n\nChildren:{pretty_print(user_data, CHILDREN)}"
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buttons = [[InlineKeyboardButton(text="Back", callback_data=str(END))]]
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keyboard = InlineKeyboardMarkup(buttons)
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await update.callback_query.answer()
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await update.callback_query.edit_message_text(text=text, reply_markup=keyboard)
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user_data[START_OVER] = True
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return SHOWING
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async def stop(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
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"""End Conversation by command."""
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await update.message.reply_text("Okay, bye.")
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return END
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async def end(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
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"""End conversation from InlineKeyboardButton."""
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await update.callback_query.answer()
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text = "See you around!"
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await update.callback_query.edit_message_text(text=text)
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return END
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# Second level conversation callbacks
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async def select_level(update: Update, context: ContextTypes.DEFAULT_TYPE) -> str:
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"""Choose to add a parent or a child."""
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text = "You may add a parent or a child. Also you can show the gathered data or go back."
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buttons = [
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[
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InlineKeyboardButton(text="Add parent", callback_data=str(PARENTS)),
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InlineKeyboardButton(text="Add child", callback_data=str(CHILDREN)),
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],
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[
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InlineKeyboardButton(text="Show data", callback_data=str(SHOWING)),
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InlineKeyboardButton(text="Back", callback_data=str(END)),
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],
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]
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keyboard = InlineKeyboardMarkup(buttons)
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await update.callback_query.answer()
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await update.callback_query.edit_message_text(text=text, reply_markup=keyboard)
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return SELECTING_LEVEL
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async def select_gender(update: Update, context: ContextTypes.DEFAULT_TYPE) -> str:
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"""Choose to add mother or father."""
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level = update.callback_query.data
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context.user_data[CURRENT_LEVEL] = level
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text = "Please choose, whom to add."
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male, female = _name_switcher(level)
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buttons = [
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[
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InlineKeyboardButton(text=f"Add {male}", callback_data=str(MALE)),
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InlineKeyboardButton(text=f"Add {female}", callback_data=str(FEMALE)),
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],
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[
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InlineKeyboardButton(text="Show data", callback_data=str(SHOWING)),
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InlineKeyboardButton(text="Back", callback_data=str(END)),
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],
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]
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keyboard = InlineKeyboardMarkup(buttons)
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await update.callback_query.answer()
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await update.callback_query.edit_message_text(text=text, reply_markup=keyboard)
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return SELECTING_GENDER
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async def end_second_level(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
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"""Return to top level conversation."""
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context.user_data[START_OVER] = True
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await start(update, context)
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return END
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# Third level callbacks
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async def select_feature(update: Update, context: ContextTypes.DEFAULT_TYPE) -> str:
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"""Select a feature to update for the person."""
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buttons = [
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[
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InlineKeyboardButton(text="Name", callback_data=str(NAME)),
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InlineKeyboardButton(text="Age", callback_data=str(AGE)),
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InlineKeyboardButton(text="Done", callback_data=str(END)),
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]
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]
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keyboard = InlineKeyboardMarkup(buttons)
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# If we collect features for a new person, clear the cache and save the gender
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if not context.user_data.get(START_OVER):
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context.user_data[FEATURES] = {GENDER: update.callback_query.data}
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text = "Please select a feature to update."
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await update.callback_query.answer()
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await update.callback_query.edit_message_text(text=text, reply_markup=keyboard)
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# But after we do that, we need to send a new message
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else:
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text = "Got it! Please select a feature to update."
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await update.message.reply_text(text=text, reply_markup=keyboard)
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context.user_data[START_OVER] = False
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return SELECTING_FEATURE
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async def ask_for_input(update: Update, context: ContextTypes.DEFAULT_TYPE) -> str:
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"""Prompt user to input data for selected feature."""
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context.user_data[CURRENT_FEATURE] = update.callback_query.data
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text = "Okay, tell me."
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await update.callback_query.answer()
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await update.callback_query.edit_message_text(text=text)
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return TYPING
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async def save_input(update: Update, context: ContextTypes.DEFAULT_TYPE) -> str:
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"""Save input for feature and return to feature selection."""
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user_data = context.user_data
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user_data[FEATURES][user_data[CURRENT_FEATURE]] = update.message.text
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user_data[START_OVER] = True
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return await select_feature(update, context)
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async def end_describing(update: Update, context: ContextTypes.DEFAULT_TYPE) -> int:
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"""End gathering of features and return to parent conversation."""
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user_data = context.user_data
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level = user_data[CURRENT_LEVEL]
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if not user_data.get(level):
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user_data[level] = []
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user_data[level].append(user_data[FEATURES])
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# Print upper level menu
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if level == SELF:
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user_data[START_OVER] = True
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await start(update, context)
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else:
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await select_level(update, context)
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return END
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async def stop_nested(update: Update, context: ContextTypes.DEFAULT_TYPE) -> str:
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"""Completely end conversation from within nested conversation."""
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await update.message.reply_text("Okay, bye.")
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return STOPPING
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def main() -> None:
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"""Run the bot."""
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# Create the Application and pass it your bot's token.
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application = Application.builder().token("TOKEN").build()
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# Set up third level ConversationHandler (collecting features)
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description_conv = ConversationHandler(
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entry_points=[
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CallbackQueryHandler(
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select_feature, pattern="^" + str(MALE) + "$|^" + str(FEMALE) + "$"
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)
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],
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states={
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SELECTING_FEATURE: [
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CallbackQueryHandler(ask_for_input, pattern="^(?!" + str(END) + ").*$")
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],
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TYPING: [MessageHandler(filters.TEXT & ~filters.COMMAND, save_input)],
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},
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fallbacks=[
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CallbackQueryHandler(end_describing, pattern="^" + str(END) + "$"),
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CommandHandler("stop", stop_nested),
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],
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map_to_parent={
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# Return to second level menu
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END: SELECTING_LEVEL,
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# End conversation altogether
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STOPPING: STOPPING,
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},
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)
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# Set up second level ConversationHandler (adding a person)
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add_member_conv = ConversationHandler(
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entry_points=[CallbackQueryHandler(select_level, pattern="^" + str(ADDING_MEMBER) + "$")],
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states={
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SELECTING_LEVEL: [
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CallbackQueryHandler(select_gender, pattern=f"^{PARENTS}$|^{CHILDREN}$")
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],
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SELECTING_GENDER: [description_conv],
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},
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fallbacks=[
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CallbackQueryHandler(show_data, pattern="^" + str(SHOWING) + "$"),
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CallbackQueryHandler(end_second_level, pattern="^" + str(END) + "$"),
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CommandHandler("stop", stop_nested),
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],
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map_to_parent={
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# After showing data return to top level menu
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SHOWING: SHOWING,
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# Return to top level menu
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END: SELECTING_ACTION,
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# End conversation altogether
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STOPPING: END,
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},
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)
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# Set up top level ConversationHandler (selecting action)
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# Because the states of the third level conversation map to the ones of the second level
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# conversation, we need to make sure the top level conversation can also handle them
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selection_handlers = [
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add_member_conv,
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CallbackQueryHandler(show_data, pattern="^" + str(SHOWING) + "$"),
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CallbackQueryHandler(adding_self, pattern="^" + str(ADDING_SELF) + "$"),
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CallbackQueryHandler(end, pattern="^" + str(END) + "$"),
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]
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conv_handler = ConversationHandler(
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entry_points=[CommandHandler("start", start)],
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states={
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SHOWING: [CallbackQueryHandler(start, pattern="^" + str(END) + "$")],
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SELECTING_ACTION: selection_handlers,
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SELECTING_LEVEL: selection_handlers,
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DESCRIBING_SELF: [description_conv],
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STOPPING: [CommandHandler("start", start)],
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},
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fallbacks=[CommandHandler("stop", stop)],
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)
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application.add_handler(conv_handler)
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# Run the bot until the user presses Ctrl-C
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application.run_polling()
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if __name__ == "__main__":
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main()
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