Ask HN: Do sites that use python like spotify and dropbox use a framework?

[clojurerocks]

Hello. I was wondering if sites like Spotify and Dropbox that apparently use python extensively use a framework like pylons or flask or django or if they create their own? Thank you.

[elg0nz]

Instagram uses a very customized Django. Ref - http://www.quora.com/Which-high-profile-web-startups-have-ch...

[mailarchis]

I am not sure about Spotify and Dropbox. I do know disqus uses django. Ref - http://www.slideshare.net/zeeg/djangocon-2010-scaling-disqus

[Hovertruck]

We use Django at Chartbeat.