How to find the mountpoint a file resides on?

Question

For example, I\'ve got a file with the following path:

/media/my_mountpoint/path/to/file.txt

I\'ve got the whole path and want to get:

Answer 1

import os

def find_mount_point(path):
    while not os.path.ismount(path):
        path=os.path.dirname(path)
    return path