[arch-dev-public] The "Great Python Rebuild of 2010" begins

Dan McGee dpmcgee at gmail.com
Tue Aug 17 11:58:24 EDT 2010

On Tue, Aug 17, 2010 at 10:46 AM, Allan McRae <allan at archlinux.org> wrote:
> Hi,
> I have pushed the new python (3.1) and python2 (2.7) packages to the new
> [staging] repo so rebuilds can start there.   Remember the staging repo
> should never be used outside a build chroot...  If you do, everything python
> related will break on your system.
> TUs will not be able to start uploading rebuilds yet as they do not have a
> staging equivalent, but we will sort something out for them once we get all
> the db-scripts/devtools changes tested for the main one first. The package
> pool is going to save us a heap of issues when this gets moved so it is
> worth the wait.
> The key things to remember with the rebuild are:
>  - build in clean chroots.  Most packages will detect "python2" or
> "python-2.7" once they see no "python" and use that.  Some will need simple
> patching.
>  - change your dependencies to python2
>  - check files for #!'s with "/usr/bin/python" or "/usr/bin/env python".  If
> you have those you will need to do a sed to change them to python2.

Perhaps the "universal sed statement" should go on the wiki? Just an
initial stab:

find $srcdir -name '*.py' -print0 | xargs sed -i -e
's|#!/usr/bin/python#!/usr/bin/python2#' -e 's|#!/usr/bin/env
python#!/usr/bin/env python2#'


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