MessageFilter.check_update()电报

Question

这是我正在测试的 Telegram 机器人的代码：

from typing import Final
from telegram import Update
from telegram.ext import Application, CommandHandler, MessageHandler, filters, ContextTypes
import sys
# function that implements the message handler
TOKEN: Final = 'BOT_TOKEN'
BOT_USERNAME: Final = '@flissi_bot'

# command
async def start_command(update: Update, context: ContextTypes.DEFAULT_TYPE):
    await update.message.reply_text("Hi! I'm pizza_bot . I can help you with your shopping needs.")


async def help_command(update: Update, context: ContextTypes.DEFAULT_TYPE):
    await update.message.reply_text("Hi! I'm pizza_bot. tape somthing so i can help you.")


async def custom_command(update: Update, context: ContextTypes.DEFAULT_TYPE):
    await update.message.reply_text("the a custon command.")

# reponses
def handel_responses(text: str) -> str:

    processed: str = text.lower()

    if 'hello' in processed:
        return 'hello'
    if 'how are you' in processed:
        return 'I am fine, thank you'
    if 'goodbye' in processed:
        return 'goodbye'
    if 'thank you' in processed:
        return 'you are welcome'

    return 'I do not understand you'


async def handel_message(update: Update, context: ContextTypes.DEFAULT_TYPE):
    message_type: str = update.message.chat.type
    text: str = update.message.text

    print(f'User ({update.message.chat_id})in {message_type}: "{text}"')

    if message_type == 'group':
        if BOT_USERNAME in text:
            new_text: str = text.replace(BOT_USERNAME, '').strip()
            response: str = handel_responses(new_text)
        else:
            return
    else:
        response: str = handel_responses(text)
    print('Bot', response)
    await update.message.reply_text(response)


async def error(update: Update, context: ContextTypes.DEFAULT_TYPE):
    print(f'Update "{update}" caused error "{context.error}"')

if __name__ == '__main__':
    print('starting bot...')
    app = Application.builder().token(TOKEN).build()

    # commands
    app.add_handler(CommandHandler('start', start_command))
    app.add_handler(CommandHandler('custom', custom_command))
    app.add_handler(CommandHandler('help', help_command))

    # Messages
    app.add_handler(MessageHandler(filters.Text, handel_message))

    # Errors
    app.add_error_handler(error)

    # Poll the bot
    print('polling bot...')
    app.run_polling(poll_interval=3)

我收到以下错误：

"Update(message=Message(channel_chat_created=False, chat=Chat(first_name='Flissi', id=6143267777, last_name='Hamed', type=<ChatType.PRIVATE>), date=datetime.datetime(2024, 5, 10, 2, 22, 59, tzinfo=datetime.timezone.utc), delete_chat_photo=False, from_user=User(first_name='Flissi', id=6143267777, is_bot=False, language_code='en', last_name='Hamed'), group_chat_created=False, message_id=28, supergroup_chat_created=False, text='hello'), update_id=589857240)" caused error "MessageFilter.check_update() missing 1 required positional argument: 'update'"

有人可以帮忙吗？

Answer 1

telegram.ext.MessageHandler

应使用子类

telegram.ext.BaseFilter

的类的实例和回调函数进行初始化。

telegram.ext.filters.Text

就是这样的类，可用于实例化 MessageHandler：

    app.add_handler(MessageHandler(filters.Text(), handel_message))

或使用模块中提供的实例。

    app.add_handler(MessageHandler(filters.TEXT, handel_message))