Run:
$ python secret_santa.py Alice Bob Charlie ...This will generate a folder out/ looking like this:
215f91.html
883fc0.html
d36598.html
All that's left to do is to deploy the HTML files somewhere (but without directory index!) - and sent the URLs to each participants.
They cannot guess the URLs for the other participants, and as long as you don't click on the 'summary', you don't know any secrets either.