[Scons-users] Single binary SCons and byte-code caching

[Brad Kraemer]

Hi Mats,

Thanks for the very detailed response! This should give me a great 
foundation to experiment with.

Thanks,

Brad

On 2022-03-10 10:25 p.m., Mats Wichmann wrote:
> On 3/10/22 19:31, Brad Kraemer wrote:
>> Hi Fellows,
>>
>> That makes sense. I don't currently have a need for an installer or
>> self-contained binary (just a nice warm-fuzzy feeling thought about it).
>> Judging from your response's though, it sounds like it would be a
>> non-trivial amount of experimenting to get it to work (with all the
>> potential corner-cases and whatnot). If I find myself in need of another
>> side-project though I might do some experimenting and get back to you
>> about any positive results.
> Well, my shorter-than-Bill's experience is there do seem to be people
> who want a self-contained install - basically on Windows, where Python
> is not default, and some places have somewhat or very locked-down
> policies, and sometimes the developer just doesn't want to have to
> require her users to have to install something separate.
>
>> Just for my future memory (and again not having a good grasp on the
>> Python ecosystem), is PyInstaller the go-to project for making
>> self-contained Python project?
> Long diversion coming (be warned, many of these things probably don't
> map well to an SCons use-case):
>
> pyinstaller is probably the most famous of the approaches, but it's far
> from the only one. There's a project called py2exe, which targets
> Windows only AFAIR (pyinstaller can build a bundle or single-executable
> for the system on which it's running, so it covers other targets - but
> it doesn't "cross-compile"). There's something called PyOxidizer which I
> just heard about recently and is comparatively quite new.  For a
> not-just-plug-and-play approach there is Cython - some projects benefit
> greatly by building pieces using Cython, where you start with Python
> source code but end up producing compiled object code (dll on windows,
> etc.).  And there's a project with somewhat similar aims called Nuitka,
> which is relatively SCons-friendly as it uses SCons itself and their
> folks show up here from time to time. But probably I'd classify those
> two approaches (Cython and Nuitka) as more oriented to squeezing
> performance out of Python apps than to trying to solve the problem of
> seamless distribution of Python apps.
>
> I'm sure I've missed some, this is certainly a topic people (meaning in
> general, not specifically SCons users) care about. For an example you
> can look here for a keynote at a Python conference a few years ago:
>
> https://www.youtube.com/watch?v=ftP5BQh1-YM
>
> that video has a lot of material from before the actual keynote starts,
> and some intro stuff from the speaker, you can look about 28 minutes in
> for when the discussion of Black Swans actually gets rolling.  He
> mentions yet another approach, BeeWare - although maybe its focus isn't
> necessarily something that would apply to a build tool like SCons.
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