MARK ADAMS • SOFTWARE DEVELOPER • BITBUCKET • @MARKADAMS

How we use Python at Bitbucket(tldr; We use it for everything)

W H AT I S B I T B U C K E T

What is Bitbucket?

•Distributed code hosting•Perfect for individuals or teams• Git or Mercurial• Free for 5 users +Unlimited private repositories

Try it out! - http://bitbucket.org

• Main web application https://bitbucket.org

• REST APIhttps://api.bitbucket.org

Web Tier

• HA Proxy TCP load balancing

• Nginx SSL Termination

• PostgreSQLRelational database

• RedisCaching

Web Tier

C E L E RY

Distributed Tasks• Celery• Used for asynchronous event processing

• Sending notifications• Updating pull requests• Updating activity feed

• RabbitMQ used as the message broker

O R O C H I

Orochi• Translated “8-branched giant snake"• Abstraction library for Git and Mercurial• Written entirely in Python• Simplifies the interaction with repositories

Git & Hg have similarities:• Both store your code• Both have commits• Both have branches

Django Celery

Orochi

Storage Layer

G I T + H G O P E R AT I O N S

Git & Hg Operations

• HTTP• WSGI apps - One for Git, One for Hg

• SSH• OpenSSH - Customized!• Launches another process (conq) to

perform authentication and execute DVCS operations

Can you guess what language?

Nope, Go

But really Python

We dogfood our stuff!

Feedback?

MARK ADAMS • SOFTWARE DEVELOPER • BITBUCKET • @MARKADAMS

We’re hiring!

MARK ADAMS • SOFTWARE DEVELOPER • BITBUCKET • @MARKADAMS