如何使用 pyTelegramBotAPI 将文档发送到 Telegram Bot

Question

我正在尝试使用 pyTelegramBotAPI 包开发 Telegram 机器人，我需要在用户输入特定 / 命令时输出多个文档。我试过下面的代码，但它显示错误。

    def pca_papers(self, message):
        bot.send_message(message.chat.id, "Files incoming")
        file = open('https://atikegalle.com/uploads/1514125303.pdf', 'rb')
        bot.send_document(message.chat.id, file)

错误：

File "C:\Users\pasin\Documents\tgbot\pastpapers.py", line 26, in pca_papers
    file = open('https://atikegalle.com/uploads/1514125303.pdf', 'rb')
OSError: [Errno 22] Invalid argument: 'https://atikegalle.com/uploads/1514125303.pdf'

Answer 1

open built-in function is for working with local files, not files accessible via HTTP. According to send_document docs 第二个参数可能是

an HTTP URL as a String for Telegram to get a file from the Internet

所以下面应该有效

def pca_papers(self, message):
    bot.send_message(message.chat.id, "Files incoming")
    bot.send_document(message.chat.id, 'https://atikegalle.com/uploads/1514125303.pdf')

我没有能力测试，如果有效请尝试写。