What layer would you suggest? Yishai Jaffe
On Thu, Nov 17, 2022, 2:21 PM Alexander Kanavin <alex.kana...@gmail.com> wrote: > You can start by placing it in a separate layer? > > Alex > > On Thu, 17 Nov 2022 at 13:04, Yishai Jaffe <yishai1...@gmail.com> wrote: > > > > I assume by core you mean openembedded-core/poky, yes? > > > > So where would you add it to? > > > > Seems to me like a very useful feature that many people would use if > they knew the option exists. > > > > Also, I noticed that in the recipe for python there is a variable named > INCLUDE_PYC which does exactly what you think it would. This looks to me > like someone did think about the whole python size subject but didn't > exactly go through with it all the way. You can decide if to include pyc > files but not the opposite. Also, this feature which does exist only > applies to the python recipe but not to all other non-base python module > recipes. Maybe this can be added to setuptools3 bbclass? > > > > Yishai Jaffe > > > > On Thu, Nov 17, 2022, 1:24 PM Alexander Kanavin <alex.kana...@gmail.com> > wrote: > >> > >> I just wonder if this should really be in core. The standards for core > >> are high: it needs to be both testable and tested, and there's only so > >> many possible options and tweaks where things can regress that we can > >> take. On the other hand, there has not been much demand for it. > >> > >> Alex > >> > >> On Thu, 17 Nov 2022 at 12:13, Yishai Jaffe <yishai1...@gmail.com> > wrote: > >> > > >> > Hi Alexander, > >> > > >> > After some research, these are the numbers I came up with for > compiling core-image-minimal with python3-core: > >> > > >> > Normal compilation: > >> > tar.bz2 - 6.6MB > >> > squashfs-xz - 6.1MB > >> > > >> > With my pyc-only patch: > >> > tar.bz2 - 5.8MB > >> > squashfs-xz - 5.2MB > >> > > >> > So that's about a 15% decrease in size. > >> > Again, this is for an image only with python3-core. Logically that > would mean that if you had an image with more python packages it would be > even a bigger percentage. > >> > > >> > > >> > Yishai Jaffe > >> > > >> > > >> > On Sun, Nov 13, 2022 at 5:12 PM Alexander Kanavin < > alex.kana...@gmail.com> wrote: > >> >> > >> >> Generally we slim down python installations by not installing all of > >> >> the standard library, and rather having precise dependencies for > >> >> specific modules. Can you illustrate the kind of space savings that > >> >> can be gained in actual numbers? > >> >> > >> >> Another issue is that this should be supported upstream and in the > >> >> wider python community. Is it? > >> >> > >> >> Alex > >> >> > >> >> On Sun, 13 Nov 2022 at 14:25, Federico Pellegrin <f...@evolware.org> > wrote: > >> >> > > >> >> > > >> >> > Hello, > >> >> > Just as a small reference since I raised some doubts and questions > in Buildroot community on this: there has been also some troubles to > understand the correctness or not there (as I found some packages with > problems due to this source-less management) and this then sparked, besides > discussions in the Buildroot mailing list (roughly end of July / beginning > of August if someone interested searching there), also an issue to the > Python community, which albeit some discussion I think never arrived to a > concrete conclusion. This is the issue: > https://github.com/python/cpython/issues/95827 (see also the linked one > maybe) > >> >> > > >> >> > These are just my 2 cents to this discussion, then of course the > Python experts will probably chime in and describe the official/discussed > position of Yocto regarding to this, but just felt like mentioning that > although Buildroot is somehow offering this right now (and likely mostly > works as well!), it's not really a so clean and/or agreed solution. > >> >> > > >> >> > Cheers, > >> >> > Federico > >> >> > > >> >> > Il giorno dom 13 nov 2022 alle ore 13:55 Yishai Jaffe < > yishai1...@gmail.com> ha scritto: > >> >> >> > >> >> >> Hi, > >> >> >> I was wondering if there has been talk about support for > source-less python on an image. Installing py and pyc files doubles the > size of python on the rootfs. I can imagine this being implemented as an > image feature. > >> >> >> I know that in buildroot it is supported. > >> >> >> Was this discussed and decided against? Is this an open issue? > >> >> >> I have a working patch that implements this. I can submit it for > review. > >> >> >> > >> >> >> Thanks, > >> >> >> Yishai Jaffe > >> >> >> Yishai Jaffe > >> >> >> > >> >> >> > >> >> >> > >> >> > > >> >> > > >> >> > >
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