YouTube written in Python

[Terry Reedy]

"John Nagle" <nagle at animats.com> wrote in message 
news:vZ7gh.5789$Gr2.2427 at newssvr21.news.prodigy.net...
>> (Guido) YouTube is almost entirely written in Python.

>  Probably just the web page maintenance system is in Python.

I am sure that that is pretty much all he meant.

> I doubt that actual video passes through Python at any point.
> Transcoding in Python would take forever.

I would expect that the video files are stored in a ready-to-send format.
And that they wrote or perhaps adapted a pre-written compilable video 
library.
Ditto for the backend database.  And CPython makes it relatively easy to 
call such add-ons.

tjr