On Sat, 14 Apr 2018 at 17:01 Neil Schemenauer <nas-python-id...@arctrix.com>
> On 2018-04-12, M.-A. Lemburg wrote:
> > This leaves the proposal to restructure pyc files into a sectioned
> > file and possibly indexed file to make access to (lazily) loaded
> > parts faster.
> I would like to see a format can hold one or more modules in a
> single file. Something like the zip format but optimized for fast
> interpreter startup time. It should support lazy loading of module
> parts (e.g. maybe my lazy bytecode execution idea). Obviously a
> lot of details to work out.
Eric Snow, Barry Warsaw, and I chatted about a custom file format for
holding Python source (and data files). My notes on the chat can be found
. (And since we aren't trying to rewrite bytecode we figured it wouldn't
break your proposal, Neil ;) .
> The design should also take into account the widespread use of
> virtual environments. So, it should be easy and space efficient to
> build virtual environments using this format (e.g. maybe allow
> overlays so that stdlib package is not copied into virtual
> environment, virtual packages would be overlaid on stdlib file).
> Also, should be easy to bundle all modules into a "uber" package and
> append it to the Python executable. CPython should provide
> out-of-box support for single-file executables.
> 1. https://github.com/python/cpython/pull/6194
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