On Wed 05 Feb 2014 09:32:54 AM MST, Jaromir Coufal wrote: > Dear Horizoners, > > in last days there were couple of interesting discussions about > updating to Bootstrap 3. In this e-mail, I would love to give a small > summary and propose a solution for us. > > As Bootstrap was heavily dependent on Less, when we got rid of node.js > we started to use lesscpy. Unfortunately because of this change we > were unable to update to Bootstrap 3. Fixing lesscpy looks problematic > - there are issues with supporting all use-cases and even if we fix > this in some time, we might challenge these issues again in the future. > > There is great news for Bootstrap. It started to support Sass [0]. > (Thanks Toshi and MaxV for highlighting this news!) > > Thanks to this step forward, we might get out of our lesscpy issues by > switching to Sass. I am very happy with this possible change, since > Sass is more powerful than Less and we will be able to update our > libraries without any constraints. > > There are few downsides - we will need to change our Horizon Less > files to Sass, but it shouldn't be very big deal as far as we > discussed it with some Horizon folks. We can actually do it as a part > of Bootstrap update [1] (or CSS files restructuring [2]). > > Other concern will be with compilers. So far I've found 3 ways: > * rails dependency (how big problem would it be?) > * https://pypi.python.org/pypi/scss/0.7.1 > * https://pypi.python.org/pypi/SassPython/0.2.1 > * ... (other suggestions?) > > Nice benefit of Sass is, that we can use advantage of Compass > framework [3], which will save us a lot of energy when writing (not > just cross-browser) stylesheets thanks to their mixins. > > When we discussed on IRC with Horizoners, it looks like this is good > way to go in order to move us forward. So I am here, bringing this > suggestion up to whole community. > > My proposal for Horizon is to *switch from Less to Sass*. Then we can > unblock our already existing BPs, get Bootstrap updates and include > Compass framework. I believe this is all doable in Icehouse timeframe > if there are no problems with compilers. > > Thoughts? > > -- Jarda > > [0] http://getbootstrap.com/getting-started/ > [1] https://blueprints.launchpad.net/horizon/+spec/bootstrap-update > [2] https://blueprints.launchpad.net/horizon/+spec/css-breakdown > [3] http://compass-style.org/ > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
I think this is a fantastic idea. Having no experience with Less, but seeing that it is troublesome - if we can use SASS/Compass, I'd be much more comfortable with the switch. +1 -- Jason E. Rist Senior Software Engineer OpenStack Management UI Red Hat, Inc. +1.919.754.4048 Freenode: jrist github/identi.ca: knowncitizen _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
