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Wed Nov 28 16:37:33 EST 2018 · https://mail.python.org/pipermail/python-dev/2018-November/155835.html

On Wed, Nov 28, 2018, 12:08 Antoine Pitrou <solipsis at pitrou.net wrote:

> On Wed, 28 Nov 2018 19:35:31 +0000
> Jonathan Underwood <jonathan.underwood at gmail.com> wrote:
> > On Wed, 28 Nov 2018 at 18:57, Antoine Pitrou <solipsis at pitrou.net>
> wrote:
> > >
> > > On Wed, 28 Nov 2018 10:43:04 -0800
> > > "Gregory P. Smith" <greg at krypto.org> wrote:
> > [snip]
> > > > I don't think adding lz4 to the stdlib is worthwhile.  It isn't
> required
> > > > for core functionality as zlib is (lowest common denominator zip
> support).
> > >
> > > Actually, if some people are interested in compressing .pyc files, lz4
> > > is probably the best candidate (will yield significant compression
> > > benefits with very little CPU overhead).
> > >
> >
> > It's interesting to note that there's an outstanding feature request
> > to enable "import modules from a library.tar.lz4", justified on the
> > basis that it would be helpful to the python-for-android project:
> >
> > https://github.com/python-lz4/python-lz4/issues/45
>
> Interesting.  The tar format isn't adequate for this: the whole tar
> file will be compressed at once, so you need to uncompress it all even
> to import a single module.  The zip format is more adapted, but it
> doesn't seem to have LZ4 in its registered codecs.
>

Zip can be used without compression as a simple container for files,
though, and there's nothing that says those can't be .pyc.lz4 files.

-n
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[Python-Dev] Inclusion of lz4 bindings in stdlib?