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# Copyright 2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
from portage.sets.base import PackageSet
from portage.dbapi.vartree import dblink
from portage.versions import catsplit, catpkgsplit
import os
class LibraryConsumerSet(PackageSet):
_operations = ["merge", "unmerge"]
def __init__(self, vardbapi, debug=False):
super(LibraryConsumerSet, self).__init__()
self.dbapi = vardbapi
self.debug = debug
def mapPathsToAtoms(self, paths):
rValue = set()
for cpv in self.dbapi.cpv_all():
mysplit = catsplit(cpv)
link = dblink(mysplit[0], mysplit[1], myroot=self.dbapi.root, \
mysettings=self.dbapi.settings, treetype='vartree', \
vartree=self.dbapi.vartree)
if paths.intersection(link.getcontents()):
cat, pn = catpkgsplit(cpv)[:2]
slot = self.dbapi.aux_get(cpv, ["SLOT"])[0]
rValue.add("%s/%s:%s" % (cat, pn, slot))
return rValue
class PreservedLibraryConsumerSet(LibraryConsumerSet):
def load(self):
reg = self.dbapi.plib_registry
consumers = set()
if reg:
for libs in reg.getPreservedLibs().values():
for lib in libs:
#print lib, self.dbapi.linkmap.findConsumers(lib)
consumers.update(self.dbapi.linkmap.findConsumers(lib))
else:
return
if not consumers:
return
self._setAtoms(self.mapPathsToAtoms(consumers))
def singleBuilder(cls, options, settings, trees):
return PreservedLibraryConsumerSet(trees["vartree"].dbapi)
singleBuilder = classmethod(singleBuilder)
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