Do you or your team maintain a large Python 2 code base?

Would you like to move to Python 3, but there's just too much in place keeping you on

legacy Python?

Then you will definitely enjoy the story from Jason Freed.

He created a grassroots campaign to move Facebook's massive Python 2 code base over to Python 3,

and he made Python 3 part of Facebook's culture today.

There are lessons here for every listener.

This is Talk Python to Me.

Episode 185 recorded November 10th, 2018.

Music Welcome to Talk Python to me, a weekly podcast on Python, the language, the libraries, the ecosystem, and the personalities.

This is your host, Michael Kennedy. Follow me on Twitter where I'm at M. Kennedy.

Keep up with a show and listen to past episodes at TalkPython. and follow the show on Twitter via at Talk Python. This episode is sponsored by Linode and Rollbar. Please check out what they're offering during their segments. It really helps support the show.

Jason, welcome to Talk Python. Oh, thank you for having me. It's great to have you here. We've been working on this for a while, haven't we?

It's been a long time.

It's one of the more drawn out sort of getting a guest on the show.

But I think people are going to be really happy about it.

I think it's a great story, and the timing is perfect around the move to Python 3.

Yeah.

Yeah, it's going to be super fun. So we're going to talk about

how you've done this at Facebook, and you didn't just start. This is a long journey.

But before we get into all that, let's start with a little bit of your background. How do you

get into programming in Python? I didn't have anything to do with Python until I moved to Facebook.

...