如何使用python在telegram上发送照片

Question

当我发出命令 /screen 时，我试图将计算机上的照片发送到我的电报机器人聊天室。但是，我似乎无法让它发挥作用，我错过了什么？

这是我正在使用的文件，抱歉它有点长，但我想展示所有内容，因为也许我在某个地方遗漏了一些东西。从 ###### HERE I WANNA TRY TO SEND THE PHOTO ###### 行查看，这样您就可以看到我在哪里定义 send_photo 部分。

import os
import bot
import schedule
import random
from time import sleep
import logging
from telegram.ext import Updater, CommandHandler, MessageHandler, Filters, CallbackQueryHandler

# Enable logging
logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
                    level=logging.INFO)

logger = logging.getLogger(__name__)

# Define a few command handlers. These usually take the two arguments update and
# context. Error handlers also receive the raised TelegramError object in error.
def start(update, context):
    """Send a message when the command /start is issued."""
    update.message.reply_text('Hi!')

###### HERE I WANNA TRY TO SEND THE PHOTO ######
###### HERE I WANNA TRY TO SEND THE PHOTO ######
def screen(update, context):
    """Taking a screenshot when command /screen is issued."""
    update.message.reply_text('Taking screenshot ...')
    os.system("adb exec-out screencap -p > /Users/????/Desktop/AndroBot/screen.png")
    update.message.reply_text('Screenshot taken!')
    #HEREEEEE
    update.message.send_photo(?????)

def main():
    """Start the bot."""
    # Create the Updater and pass it your bot's token.
    # Make sure to set use_context=True to use the new context based callbacks
    # Post version 12 this will no longer be necessary
    updater = Updater("TOKEN", use_context=True)

    # Get the dispatcher to register handlers
    dp = updater.dispatcher

    # on different commands - answer in Telegram
    dp.add_handler(CommandHandler("start", start))
    dp.add_handler(CommandHandler("screen", screen))

    # on noncommand i.e message - echo the message on Telegram
    dp.add_handler(MessageHandler(Filters.text, echo))

    # log all errors
    dp.add_error_handler(error)

    # Start the Bot
    updater.start_polling()

    # Run the bot until you press Ctrl-C or the process receives SIGINT,
    # SIGTERM or SIGABRT. This should be used most of the time, since
    # start_polling() is non-blocking and will stop the bot gracefully.
    updater.idle()

if __name__ == '__main__':
    main()

我希望有一个人可以帮助我...

Answer 1

来自文档：

send_photo(chat_id、照片、caption=无、disable_notification=False、reply_to_message_id=无、reply_markup=无、超时=20、parse_mode=无、**kwargs)

所以你的代码会是这样的：

filename = "/Users/????/Desktop/AndroBot/screen.png"
os.system("adb exec-out screencap -p > "+filename)
update.message.bot.send_photo(update.message.chat.id,open(filename,'rb'))