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Bug 503730 - dev-python/python-exec-10000.2 was masked, but the system still needs it
Summary: dev-python/python-exec-10000.2 was masked, but the system still needs it
Status: RESOLVED OBSOLETE
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Development (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Python Gentoo Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-03-07 14:22 UTC by Nikos Chantziaras
Modified: 2016-02-06 22:10 UTC (History)
4 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description Nikos Chantziaras 2014-03-07 14:22:45 UTC
It seems someone masked dev-python/python-exec-10000.2 in portage. Not a good idea, it seems:

emerge -uDNt --with-bdeps=y @world

[nomerge       ] www-client/google-chrome-33.0.1750.146_p1 
[nomerge       ]  gnome-base/gconf-3.2.6-r1 
[ebuild  N    #]   dev-python/python-exec-10000.2  PYTHON_TARGETS="(jython2_5) (jython2_7) (pypy2_0) (python2_6) (python2_7) (python3_2) (python3_3) (-python3_4)" 

The following mask changes are necessary to proceed:
 (see "package.unmask" in the portage(5) man page for more details)
# required by app-portage/elogv-0.7.6.1-r1
# required by @selected
# required by @world (argument)
# /usr/portage/profiles/package.mask:
# Michał Górny <mgorny@gentoo.org> (06 Mar 2014)
# Compatibility packages masked for removal in 30 days.
=dev-python/python-exec-10000.2


$ emerge --info =dev-python/python-exec-10000.2
Portage 2.2.8-r1 (default/linux/amd64/13.0/desktop/kde, gcc-4.8.2, glibc-2.17, 3.10.32-gentoo x86_64)
=================================================================
                        System Settings
=================================================================
System uname: Linux-3.10.32-gentoo-x86_64-Intel-R-_Core-TM-_i5-2500K_CPU_@_3.30GHz-with-gentoo-2.2
KiB Mem:    16386992 total,  12890316 free
KiB Swap:   25166844 total,  25166844 free
Timestamp of tree: Fri, 07 Mar 2014 13:45:01 +0000
ld GNU ld (GNU Binutils) 2.24
app-shells/bash:          4.2_p45-r1
dev-java/java-config:     2.2.0
dev-lang/python:          2.7.6, 3.3.4
dev-util/cmake:           2.8.12.2
dev-util/pkgconfig:       0.28
sys-apps/baselayout:      2.2
sys-apps/openrc:          0.12.4
sys-apps/sandbox:         2.6-r1
sys-devel/autoconf:       2.13, 2.69
sys-devel/automake:       1.11.6, 1.13.4
sys-devel/binutils:       2.24-r2
sys-devel/gcc:            4.6.4, 4.7.3-r1, 4.8.2
sys-devel/gcc-config:     1.8
sys-devel/libtool:        2.4.2
sys-devel/make:           4.0-r1
sys-kernel/linux-headers: 3.10 (virtual/os-headers)
sys-libs/glibc:           2.17
Repositories: gentoo interactive-fiction steam-overlay Local
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="*"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-pipe -mtune=native -march=native -O2 -fomit-frame-pointer -floop-interchange -floop-strip-mine -floop-block"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/themes/oxygen-gtk/gtk-2.0 /usr/share/themes/oxygen-gtk/gtk-3.0"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-pipe -mtune=native -march=native -O2 -fomit-frame-pointer -floop-interchange -floop-strip-mine -floop-block"
DISTDIR="/mnt/Data/portage/distfiles"
EMERGE_DEFAULT_OPTS="--quiet-build=n"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync metadata-transfer news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="http://ftp.ntua.gr/pub/linux/gentoo http://mirror.ovh.net/gentoo-distfiles http://distfiles.gentoo.org"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,--as-needed -Wl,-O1 -Wl,--hash-style=gnu -Wl,--sort-common"
MAKEOPTS="-j4"
PKGDIR="/mnt/Data/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/var/lib/layman/interactive-fiction /var/lib/layman/steam /usr/local/portage"
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="X a52 aac acl acpi aes-ni alsa amd64 audiofile avx bash-completion branding bzip2 cairo cdr cli consolekit cracklib crypt cxx dbus declarative dri dts dvd dvdr emboss encode exif fam fbcondecor flac gdbm gif gpm gtk iconv ipv6 jpeg kde kipi lcdfilter lcms libnotify libsamplerate lm_sensors mad mmx mmxext mng modules mp3 mp4 mpeg multilib ncurses nptl nvidia offensive ogg opengl openmp pango pcre pdf pgo phonon plasma png policykit ppds pulseaudio qt4 readline semantic-desktop session spell sse sse2 sse3 sse4 sse4_1 ssl ssse3 startup-notification svg tcpd tiff truetype udev udisks unicode upower usb vdpau vorbis wxwidgets x264 xcb xcomposite xml xv xvid xvmc zlib" ABI_X86="32 64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" DRACUT_MODULES="plymouth" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en en_US" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_3" RUBY_TARGETS="ruby19 ruby18" SANE_BACKENDS="nothing" USERLAND="GNU" VIDEO_CARDS="nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON
Comment 1 Michał Górny archtester Gentoo Infrastructure gentoo-dev Security 2014-03-07 19:49:29 UTC
But if something needs it... you had to have it installed. So you uninstalled it prematurely, didn't you?
Comment 2 Ondřej Súkup 2014-03-07 19:56:07 UTC
dev-python/dnspython-1.11.1
app-text/calibre-1.25

requires 
 dev-python/python-exec-10000.2
Comment 3 Nikos Chantziaras 2014-03-08 00:20:02 UTC
(In reply to Michał Górny from comment #1)
> But if something needs it... you had to have it installed. So you
> uninstalled it prematurely, didn't you?

Yes. emerge informed me that "one of your installed packages is masked". That obviously means that it hints me at uninstalling it, otherwise why even mention it?
Comment 4 Guillaume Poulin 2014-03-08 04:43:45 UTC
I don't think gnome-base/gconf really depends on dev-python/python-exec. I had the same issue with different packages and simply remerging those package solve the issue. Maybe try `emerge gnome-base/gconf` and see what happend.

The process of remerging is however painful because there is many packages that "required" dev-python/python-exec
Comment 5 Patrick Lauer gentoo-dev 2014-03-08 07:13:50 UTC
The trick here is that current VDB entries point at dev-python/python-exec, but a reinstall will no longer use it.

Thus all packages with these VDB entries need to be manually re-emerged, for example:

emerge -1 `grep -R  dev-python/python-exec /var/db/pkg/*/*/DEPEND | cut -d "/" -f 5,6 | sed -e 's/^/=/'`

Of course that's not an intuitive solution that any users will figure out by themselves, so this will be great fun to clean up.
Comment 6 Michał Górny archtester Gentoo Infrastructure gentoo-dev Security 2014-03-08 08:40:41 UTC
Ok, removed the mask for now. We'll reintroduce it with news item explaining how to rebuild the remaining deps.
Comment 7 Nikos Chantziaras 2014-03-08 09:24:27 UTC
(In reply to Patrick Lauer from comment #5)
> Thus all packages with these VDB entries need to be manually re-emerged, for
> example:
> 
> emerge -1 `grep -R  dev-python/python-exec /var/db/pkg/*/*/DEPEND | cut -d
> "/" -f 5,6 | sed -e 's/^/=/'`

A solution without emerging anything would be great. Like editing the VDB entries directly. There is actually no reason at all to re-emerge.
Comment 8 Tom Wijsman (TomWij) (RETIRED) gentoo-dev 2014-03-08 10:11:35 UTC
(In reply to Michał Górny from comment #6)
> Ok, removed the mask for now. We'll reintroduce it with news item explaining
> how to rebuild the remaining deps.

Would a revision bump on those remaining reverse dependencies be viable?

(If there are only a few, unsure how many reverse dependencies we talk about)
Comment 9 Michał Górny archtester Gentoo Infrastructure gentoo-dev Security 2014-03-08 10:17:55 UTC
(In reply to Tom Wijsman (TomWij) from comment #8)
> (In reply to Michał Górny from comment #6)
> > Ok, removed the mask for now. We'll reintroduce it with news item explaining
> > how to rebuild the remaining deps.
> 
> Would a revision bump on those remaining reverse dependencies be viable?
> 
> (If there are only a few, unsure how many reverse dependencies we talk about)

All python-r1 packages that haven't been bumped since dev-lang/python-exec was introduced :).
Comment 10 Tom Wijsman (TomWij) (RETIRED) gentoo-dev 2014-03-09 16:08:43 UTC
(In reply to Nikos Chantziaras from comment #7)
> (In reply to Patrick Lauer from comment #5)
> > Thus all packages with these VDB entries need to be manually re-emerged, for
> > example:
> > 
> > emerge -1 `grep -R  dev-python/python-exec /var/db/pkg/*/*/DEPEND | cut -d
> > "/" -f 5,6 | sed -e 's/^/=/'`
> 
> A solution without emerging anything would be great. Like editing the VDB
> entries directly. There is actually no reason at all to re-emerge.

Yeah, something like `grep -Rh dev-python/python-exec /var/db/pkg/*/*/{,R,P}DEPEND | sed 's/[!<>=~]*dev-python\/python-exec[0-9_:\[(),/=*+-]*[a-z0-9_:\[(),/=*+-]*\]*//g' | sed 's/  / /'` could be done; though, given its impact it is better verified for correctness a few times, so, don't go and blindly turn this into a sed -i version without confirming it does its job.

It could leave || ( ... ) and ( ... ) blocks with one package less; no idea how Portage would be affected, I guess it is fine with such blocks containing a single package?

Whether or not to re-emerge again kind of depends on the amount of packages; if just a few, it's safer and easier to go the re-emerge road, if it are quite a lot, it more interesting and helpful to spare out all the re-emerging with a verified sed command that takes at most some seconds.

(In reply to Michał Górny from comment #6)
> Ok, removed the mask for now. We'll reintroduce it with news item explaining
> how to rebuild the remaining deps.

Thinking about this again, I wonder if a news item is appropriate if it is just for the sake of removing an empty package. It could be more interesting to look in having some sort of mechanism that allows us to nuke a package like this through profiles/updates or so towards the future. Or well, changing and/or respecting the dynamic dependencies behavior is another option.

Granted, that would take a while; so, we have to rely on a news item right now.
Comment 11 Benny Pedersen 2014-12-15 09:16:21 UTC
solved ?

asked since i have thhis problem today :(

will emerge -e @system solve it ?

problem i think it is that there is multislot, but only a fev updated to latest slot of python-exec

diffrence slots and diffrence categories
Comment 12 Michał Górny archtester Gentoo Infrastructure gentoo-dev Security 2016-02-06 22:10:14 UTC
No new input, hopefully solved for good.