Re: sys.path.insert

[Marijn Schouten (hkBst)]

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Han-Wen Nienhuys wrote:
> Marijn Schouten (hkBst) escreveu:
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>> Han-Wen Nienhuys wrote:
>>> Marijn Schouten (hkBst) escreveu:
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>>>> Marijn Schouten wrote:
>>>>> Hi list,
>>>>>
>>>>> this is a little snippet from the gentoo build script for lilypond
>>>>>
>>>>>   # lilypond python scripts *prepend* /usr/share/lilypond/${PV}/python to
>>>>>   # sys.path, causing python to attempt to rebuild the pyc, which 
>>>>> generates
>>>>>   # sandbox errors (and is wrong anyway).  Change this policy to use
>>>>>   # sys.path.append so that PYTHONPATH, set by the Makefiles, takes
>>>>>   # precendence.
>>>>>   grep -rlZ sys.path.insert --include \*.py ${S} | xargs -0r sed -i 
>>>>> 's/sys.path.insert \?(0, /sys.path.append (/'
>>>>>
>>>>> any thoughts?
>>> who is setting PYTHONPATH, and for what reason?
>> on my box it is set to /usr/lib/portage/pym
>> The Gentoo package manager portage is written in python.
> 
> ok, and which pyc are rebuilt ?
>
> We prepend to be sure that the .pys that we load are the ones from the 
> current source package, and not from older versions that linger
> around on the build system.

The ones from an already installed version of lilypond, ironically.

Marijn

PS Here's what the sandbox says

- --------------------------- ACCESS VIOLATION SUMMARY 
---------------------------
LOG FILE = "/var/log/sandbox/sandbox-media-sound_-_lilypond-2.10.13-13299.log"

unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/fontextract.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/fontextract.pyc
unlink:    /usr/share/lilypond/2.10.13/python/convertrules.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/convertrules.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/convertrules.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/convertrules.pyc
unlink:    /usr/share/lilypond/2.10.13/python/fontextract.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/fontextract.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/musicxml.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/musicxml.pyc
unlink:    /usr/share/lilypond/2.10.13/python/rational.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/rational.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/musicexp.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/musicexp.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/lilylib.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/lilylib.pyc
unlink:    /usr/share/lilypond/2.10.13/python/musicxml.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/musicxml.pyc
unlink:    /usr/share/lilypond/2.10.13/python/rational.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/rational.pyc
unlink:    /usr/share/lilypond/2.10.13/python/musicexp.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/musicexp.pyc
unlink:    /usr/share/lilypond/2.10.13/python/fontextract.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/fontextract.pyc
unlink:    /usr/share/lilypond/2.10.13/python/fontextract.pyc
open_wr:   /usr/share/lilypond/2.10.13/python/fontextract.pyc
- 
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