It can always be added if is is found useful and robust. We tend to be
careful about taking things into core layers as long as those two concerns,
plus the maintenance commitment are not clear. Technical debt is a real
problem.

On Thu, Nov 17, 2022 at 2:05 PM Yishai Jaffe <[email protected]> wrote:

> Seems like a shame not to add this feature for everyone to use...
>
> Yishai Jaffe
>
> On Thu, Nov 17, 2022, 2:34 PM Alexander Kanavin <[email protected]>
> wrote:
>
>>  Making your own! You can have it added to the layer index for better
>> publicity.
>>
>> Alex
>>
>> On Thu, 17 Nov 2022 at 13:27, Yishai Jaffe <[email protected]> wrote:
>> >
>> > What layer would you suggest?
>> >
>> > Yishai Jaffe
>> >
>> > On Thu, Nov 17, 2022, 2:21 PM Alexander Kanavin <[email protected]>
>> wrote:
>> >>
>> >> You can start by placing it in a separate layer?
>> >>
>> >> Alex
>> >>
>> >> On Thu, 17 Nov 2022 at 13:04, Yishai Jaffe <[email protected]>
>> 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 <
>> [email protected]> 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 <[email protected]>
>> 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 <
>> [email protected]> 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 <
>> [email protected]> 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 <
>> [email protected]> 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
>> >> >> >> >>
>> >> >> >> >>
>> >> >> >> >>
>> >> >> >> >
>> >> >> >> >
>> >> >> >> >
>>
>
> 
>
>
-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#58590): https://lists.yoctoproject.org/g/yocto/message/58590
Mute This Topic: https://lists.yoctoproject.org/mt/94997538/21656
Group Owner: [email protected]
Unsubscribe: https://lists.yoctoproject.org/g/yocto/unsub 
[[email protected]]
-=-=-=-=-=-=-=-=-=-=-=-

Reply via email to