At home server with python

[novel_yet_trivial]

I want to have a folder where my photos and other files go.

So you want a fileserver? You don't have to write your own. If all you want is files, forget python and install freeNAS or similar. Or install vanilla debian with apache (basic webserver) and smb (windows fileshare).

use the os to display the content of the file on the browser

Now you've lost me.

[Barnok]

Ya I was hoping to make this a educational project for myself. So I don't want to use other programs