123 lines
3.6 KiB
Python
123 lines
3.6 KiB
Python
#!/usr/bin/env python3
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"""
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Telegram Bot - Long Polling Mode
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Usage:
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python bot.py
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"""
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import os
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import logging
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from dotenv import load_dotenv
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from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
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from telegram.ext import (
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Application, CommandHandler, MessageHandler,
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CallbackQueryHandler, filters, ContextTypes
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)
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load_dotenv()
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logging.basicConfig(
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format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
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level=logging.INFO
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)
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logger = logging.getLogger(__name__)
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# --- Command Handlers ---
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async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
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"""Handle /start command."""
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user = update.effective_user
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await update.message.reply_html(
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f"Ola, <b>{user.first_name}</b>! Bem-vindo ao bot.\n\n"
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"Comandos disponiveis:\n"
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"/start - Iniciar\n"
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"/help - Ajuda\n"
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"/about - Sobre o bot\n"
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"/menu - Menu interativo"
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)
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async def help_command(update: Update, context: ContextTypes.DEFAULT_TYPE):
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"""Handle /help command."""
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await update.message.reply_html(
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"<b>Comandos:</b>\n"
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"/start - Iniciar o bot\n"
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"/help - Ver esta mensagem\n"
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"/about - Informacoes sobre o bot\n"
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"/menu - Menu interativo com botoes"
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)
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async def about(update: Update, context: ContextTypes.DEFAULT_TYPE):
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"""Handle /about command."""
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bot_info = await context.bot.get_me()
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await update.message.reply_html(
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f"<b>{bot_info.first_name}</b>\n"
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f"@{bot_info.username}\n\n"
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"Bot criado com python-telegram-bot e Telegram Bot API"
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)
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async def menu(update: Update, context: ContextTypes.DEFAULT_TYPE):
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"""Handle /menu command with inline keyboard."""
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keyboard = InlineKeyboardMarkup([
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[InlineKeyboardButton("Opcao 1", callback_data="opt1"),
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InlineKeyboardButton("Opcao 2", callback_data="opt2")],
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[InlineKeyboardButton("Opcao 3", callback_data="opt3")],
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[InlineKeyboardButton("Visitar site", url="https://core.telegram.org/bots")]
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])
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await update.message.reply_text("Escolha uma opcao:", reply_markup=keyboard)
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# --- Callback Handler ---
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async def button_callback(update: Update, context: ContextTypes.DEFAULT_TYPE):
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"""Handle inline keyboard callbacks."""
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query = update.callback_query
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await query.answer()
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await query.edit_message_text(f"Voce escolheu: {query.data}")
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# --- Message Handler ---
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async def echo(update: Update, context: ContextTypes.DEFAULT_TYPE):
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"""Echo non-command messages."""
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if update.message and update.message.text:
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await update.message.reply_text(f"Voce disse: {update.message.text}")
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# --- Error Handler ---
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async def error_handler(update: object, context: ContextTypes.DEFAULT_TYPE):
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"""Log errors."""
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logger.error("Exception while handling update:", exc_info=context.error)
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# --- Main ---
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def main():
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token = os.getenv("TELEGRAM_BOT_TOKEN")
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if not token:
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logger.error("Set TELEGRAM_BOT_TOKEN in .env file")
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return
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app = Application.builder().token(token).build()
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# Register handlers
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app.add_handler(CommandHandler("start", start))
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app.add_handler(CommandHandler("help", help_command))
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app.add_handler(CommandHandler("about", about))
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app.add_handler(CommandHandler("menu", menu))
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app.add_handler(CallbackQueryHandler(button_callback))
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app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, echo))
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app.add_error_handler(error_handler)
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# Start polling
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logger.info("Bot starting in polling mode...")
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app.run_polling(allowed_updates=Update.ALL_TYPES)
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if __name__ == "__main__":
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main()
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