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pyTelegramBotAPI/examples/CallbackData_example.py

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2021-11-23 16:01:51 +03:00
# -*- coding: utf-8 -*-
"""
This Example will show you how to use CallbackData
"""
from telebot.callback_data import CallbackData, CallbackDataFilter
from telebot import types, TeleBot
from telebot.custom_filters import AdvancedCustomFilter
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API_TOKEN = ''
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PRODUCTS = [
{'id': '0', 'name': 'xiaomi mi 10', 'price': 400},
{'id': '1', 'name': 'samsung s20', 'price': 800},
{'id': '2', 'name': 'iphone 13', 'price': 1300}
]
bot = TeleBot(API_TOKEN)
products_factory = CallbackData('product_id', prefix='products')
def products_keyboard():
return types.InlineKeyboardMarkup(
keyboard=[
[
types.InlineKeyboardButton(
text=product['name'],
callback_data=products_factory.new(product_id=product["id"])
)
]
for product in PRODUCTS
]
)
def back_keyboard():
return types.InlineKeyboardMarkup(
keyboard=[
[
types.InlineKeyboardButton(
text='',
callback_data='back'
)
]
]
)
class ProductsCallbackFilter(AdvancedCustomFilter):
key = 'config'
def check(self, call: types.CallbackQuery, config: CallbackDataFilter):
return config.check(query=call)
@bot.message_handler(commands=['products'])
def products_command_handler(message: types.Message):
bot.send_message(message.chat.id, 'Products:', reply_markup=products_keyboard())
# Only product with field - product_id = 2
@bot.callback_query_handler(func=None, config=products_factory.filter(product_id='2'))
def product_one_callback(call: types.CallbackQuery):
bot.answer_callback_query(callback_query_id=call.id, text='Not available :(', show_alert=True)
# Any other products
@bot.callback_query_handler(func=None, config=products_factory.filter())
def products_callback(call: types.CallbackQuery):
callback_data: dict = products_factory.parse(callback_data=call.data)
product_id = int(callback_data['product_id'])
product = PRODUCTS[product_id]
text = f"Product name: {product['name']}\n" \
f"Product price: {product['price']}"
bot.edit_message_text(chat_id=call.message.chat.id, message_id=call.message.message_id,
text=text, reply_markup=back_keyboard())
@bot.callback_query_handler(func=lambda c: c.data == 'back')
def back_callback(call: types.CallbackQuery):
bot.edit_message_text(chat_id=call.message.chat.id, message_id=call.message.message_id,
text='Products:', reply_markup=products_keyboard())
bot.add_custom_filter(ProductsCallbackFilter())
bot.infinity_polling()