On Fri, Mar 15, 2019 at 10:19 AM Jonas Smedegaard <dr@jones.dk> wrote:
Quoting Christian Ehrhardt (2019-03-15 06:39:08)
On Fri, Mar 15, 2019 at 12:08 AM Abhilash Raj <maxking@asynchronous.in> wrote:
On Thu, Mar 14, 2019, at 1:42 PM, Jonas Meurer wrote: Christian Ehrhardt:
I was evaluating the Dependencies of mailman3 in Ubuntu and I was wondering if I could cut them down a bit. One thing that got my attention is the dependency from mailman3-web 1 to nodejs for less 2 and ruby-sass 3.
I was wondering if we could by default not install node-less/ruby-sass and what exactly that would imply.
less is a reinvention of sass: It is often adaptable to sass with a simple patch.
Original sass processor was ruby-sass, but nowadays a better processor is sassc. Or if you want to integrated processing with Python then python3-libsass which uses same core library for its processing.
I have not looked closely on mailman3, but I highly doubt there is a real need for dynamic processing of less/sass during runtime.
Yeah I doubt that as well. In the meantime I also found 1 which seems to have come to the same conclusion for the majority of default setups. For upstream to disable it by default it was mentioned that there is a need for a customize kit which seems fine 1.
There is a further argument to disable the live compressors, at least as I read COMPRESS_OFFLINE that seems helpful for production setups anyway to speed up and safe CPU load.
So while upstream waits until a "customize kit" exists to switch defaults, as a downstream like Debian/Ubuntu I wonder if we already could: pulling it in at runtime
- drop sass/less compilers to a suggest
- disable the live compression in the default config that we ship
- keep the config commented-out to make it easy for admins that want to enable it later
- pre-compress at build time and enable compress_offline for speed
- maybe call
django_admin compress3 or similar at build time? - having sass/less as build dependencies seems much safer than
- maybe call
@Jonas M.: what do you think about 2 (again maybe after Buster)? Sorry to not know more of this yet, but I hope suggesting what I think might work helps to get us the right way.
- Jonas
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- Jonas Smedegaard - idealist & Internet-arkitekt
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-- Christian Ehrhardt Software Engineer, Ubuntu Server Canonical Ltd