Add a get_gravatar_url function in gravatars.

Review Request #3470 — Created Nov. 3, 2012 and submitted — Latest diff uploaded

Information

Djblets
release-0.6.x

Reviewers

Add a get_gravatar_url function in gravatars.

This makes it possible to get the URL without generating an <img/> tag.
It also is smart enough to handle HTTP vs. HTTPS, unlike the previous
implementation.
Tested with a change in Review Board.