GNU bug report logs - #26136
core-updates: python-minimal@2.7.13 fails due to missing zlib

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From: Leo Famulari <leo <at> famulari.name>
To: Danny Milosavljevic <dannym <at> scratchpost.org>
Cc: 26136 <at> debbugs.gnu.org
Subject: bug#26136: core-updates: python-minimal <at> 2.7.13 fails due to missing zlib
Date: Sun, 19 Mar 2017 16:15:45 -0400

[Message part 1 (text/plain, inline)]

On Sun, Mar 19, 2017 at 03:26:36PM -0400, Leo Famulari wrote:
> On Sat, Mar 18, 2017 at 09:19:01PM +0100, Danny Milosavljevic wrote:
> > >There is also the question about zlib and the bundled pip: why is it
> > >failing now?

Here are some build logs showing differences between master and
core-updates.

For 2.7.12, on the master branch, there is this:

------
if test "xinstall" != "xno"  ; then \
        case install in \
                upgrade) ensurepip="--upgrade" ;; \
                install|*) ensurepip="" ;; \
        esac; \
        LD_LIBRARY_PATH=/tmp/guix-build-python-minimal-2.7.12.drv-0/Python-2.7.12 ./python -E -m ensurepip \
                $ensurepip --root=/ ; \
fi
Ignoring ensurepip failure: pip 8.1.1 requires SSL/TLS
phase `install' succeeded after 31.5 seconds
------

I guess we didn't notice the lack of TLS support because the bundled pip
is never able to reach the internet when used to build packages.

For 2.7.13 without zlib, on core-updates, it does this:

------
if test "xinstall" != "xno"  ; then \
        case install in \
                upgrade) ensurepip="--upgrade" ;; \
                install|*) ensurepip="" ;; \
        esac; \
        LD_LIBRARY_PATH=/tmp/guix-build-python-minimal-2.7.13.drv-0/Python-2.7.13 ./python -E -m ensurepip \
                $ensurepip --root=/ ; \
fi
Traceback (most recent call last):
  File "/tmp/guix-build-python-minimal-2.7.13.drv-0/Python-2.7.13/Lib/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/tmp/guix-build-python-minimal-2.7.13.drv-0/Python-2.7.13/Lib/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/tmp/guix-build-python-minimal-2.7.13.drv-0/Python-2.7.13/Lib/ensurepip/__main__.py", line 4, in <module>
    ensurepip._main()
  File "/tmp/guix-build-python-minimal-2.7.13.drv-0/Python-2.7.13/Lib/ensurepip/__init__.py", line 205, in _main 
    default_pip=args.default_pip,
  File "/tmp/guix-build-python-minimal-2.7.13.drv-0/Python-2.7.13/Lib/ensurepip/__init__.py", line 108, in bootstrap
    _run_pip(args + [p[0] for p in _PROJECTS], additional_paths)
  File "/tmp/guix-build-python-minimal-2.7.13.drv-0/Python-2.7.13/Lib/ensurepip/__init__.py", line 31, in _run_pip
    import pip
zipimport.ZipImportError: can't decompress data; zlib not available
make: *** [Makefile:927: install] Error 1
phase `install' failed after 10.8 seconds
------

If you build 2.7.13 with zlib on core-updates (log not *not* attached):

------
if test "xinstall" != "xno"  ; then \                                                                                                                                                                   case install in \
                upgrade) ensurepip="--upgrade" ;; \
                install|*) ensurepip="" ;; \
        esac; \                                                                                                                                                                                         LD_LIBRARY_PATH=/tmp/guix-build-python-minimal-2.7.13.drv-0/Python-2.7.13 ./python -E -m ensurepip \                                                                                                    $ensurepip --root=/ ; \                                                                                                                                                         fi
Collecting setuptools                                                                                                                                                                           Collecting pip                                                                                                                                                                                  Installing collected packages: setuptools, pip                                                                                                                                                  Successfully installed pip-9.0.1 setuptools-28.8.0
phase `install' succeeded after 21.6 seconds                  
------

[python-minimal-2.7.12.log.bz2 (application/octet-stream, attachment)]

[python-minimal-2.7.13-no-zlib.log.gz (application/x-gunzip, attachment)]

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