2008/9/25 James <[EMAIL PROTECTED]>:
> Do you have any further advice, more detail or some more formalized
> methodology
> to 'clean' the world file, in addition to what you have stated above?
>
Every entry in the world file that has a reverse dependency could be
removed. Unfortunately there is no tool I know which can calculate
reverse dependencies correctly. Maybe there is some functionality in
pkgcore or paludis which I am not aware of. So others need to inform
us about this.
However, this question has already been raised and Alber Hopkins
attached a python script in an earlier thread which should show
unneeded entries in the world file. It did not work for me but I have
attached it, maybe you have more luck than I.
The solution I use is app-portage/udept. It is not maintained anymore
so I recommend to use the ebuild from this bug [1] which at least has
a few advantages over the ebuild in the tree. Udept used to be a
powerful script but a few functions do not work properly anymore. The
option for cleaning the world file works reliable though. Just invoke
it with "dep -w"
[1] http://bugs.gentoo.org/show_bug.cgi?id=172611
Regards,
Daniel
#!/usr/bin/python
"""
Report any packages in world which have direct dependencies also in world
"""
__version__ = (0,3,0)
import os
import sys
sys.path.insert(0, '/usr/lib/gentoolkit/pym')
os.environ['PORTAGE_CALLER'] = 'repoman'
import portage
TREE = portage.db["/"]["vartree"]
import gentoolkit
def get_versions_installed(pkg):
"""
Return a list containt versions of pkg installed (in cpv format)
may be an empty list.
"""
return TREE.dbapi.match(pkg)
def get_world():
"""Return a list of all packages in world"""
_file = sys.stdin
_list = [line.strip() for line in _file]
return _list
def get_deps(pkg):
"""Return a list of all packages depending on pkg (directly)"""
deps = set()
for cpv in get_versions_installed(pkg):
gentoolkit_pkg = gentoolkit.Package(cpv)
rdeps = [i[2] for i in gentoolkit_pkg.get_runtime_deps() if not
i[2].startswith('virtual/')]
for rdep in rdeps:
split = portage.pkgsplit(rdep)
if split is not None:
deps.add(split[0])
else:
deps.add(rdep)
pdeps = [i[2] for i in gentoolkit_pkg.get_postmerge_deps() if not
i[2].startswith('virtual/')]
for pdep in pdeps:
split = portage.pkgsplit(pdep)
if split is not None:
deps.add(split[0])
else:
deps.add(pdep)
#print deps
#command= '/usr/bin/equery -q -C d %s' % pkg
#pipe = os.popen(command, 'r')
#_list = [portage.pkgsplit(line.strip())[0] for line in pipe]
return deps
if __name__ == '__main__':
world = get_world()
for pkg in world:
deps = get_deps(pkg)
for dep in deps:
if (dep != pkg) and (dep in world):
print '%(pkg)s already depends on %(dep)s' % locals()
