Python: Uploading to Legacy SharePoint On Premise

Finding this solution via Google/Bing/etc was just impossible, so this post is an attempt to make this easier. Some Important Information: If you're using SharePoint online, i.e. a cloud solution, something part of office365 or whatever it's called today, this post is NOT for you; there are plenty of python posts, libraries and packages for that, this is what you need to do if you business is…