from tempfile import TemporaryFile, NamedTemporaryFile, TemporaryDirectory

from bottle import delete

if __name__ == '__main__':
    with TemporaryFile('w+t') as f:
        f.write("hello")
        f.write("temp_file")

        f.seek(0)
        data = f.read()

    print(data)
    print(f.closed)

    # 如果想要对临时文件命名,使用NamedTemporaryFile,如果不想文件或文件夹在关闭后自动删除,请使用delete=False
    # 跑完记得手动干掉它
    with NamedTemporaryFile('w+t', delete=False) as f:
        print("file name is : " + f.name)

    # 你甚至可以创建一个临时文件夹
    with TemporaryDirectory() as d:
        print(d)

        # 对临时文件,可以指定前缀后缀和文件夹,记住,文件夹一定要真的存在
        with NamedTemporaryFile(prefix="PPP", suffix=".txt", dir=d) as f:
            print("file name is : " + f.name)