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#!/usr/bin/env python2.4
#
# Test for the DepCache code
#
import apt_pkg
import sys
def main():
apt_pkg.init()
cache = apt_pkg.GetCache()
depcache = apt_pkg.GetDepCache(cache)
depcache.Init()
i=0
all=cache.PackageCount
print "Running DepCache test on all packages"
print "(trying to install each and then mark it keep again):"
# first, get all pkgs
for pkg in cache.Packages:
i += 1
x = pkg.Name
# then get each version
ver =depcache.GetCandidateVer(pkg)
if ver != None:
depcache.MarkInstall(pkg)
if depcache.BrokenCount > 0:
fixer = apt_pkg.GetPkgProblemResolver(depcache)
fixer.Clear(pkg)
fixer.Protect(pkg)
# we first try to resolve the problem
# with the package that should be installed
# protected
try:
fixer.Resolve(True)
except SystemError:
# the pkg seems to be broken, the
# returns a exception
fixer.Clear(pkg)
fixer.Resolve(True)
if not depcache.MarkedInstall(pkg):
print "broken in archive: %s " % pkg.Name
fixer = None
if depcache.InstCount == 0:
if depcache.IsUpgradable(pkg):
print "Error marking %s for install" % x
for p in cache.Packages:
if depcache.MarkedInstall(p) or depcache.MarkedUpgrade(p):
depcache.MarkKeep(p)
if depcache.InstCount != 0:
print "Error undoing the selection for %s" % x
print "\r%i/%i=%.3f%% " % (i,all,(float(i)/float(all)*100)),
print
print "Trying Upgrade:"
depcache.Upgrade()
print "To install: %s " % depcache.InstCount
print "To remove: %s " % depcache.DelCount
print "Kept back: %s " % depcache.KeepCount
print "Trying DistUpgrade:"
depcache.Upgrade(True)
print "To install: %s " % depcache.InstCount
print "To remove: %s " % depcache.DelCount
print "Kept back: %s " % depcache.KeepCount
if __name__ == "__main__":
main()
sys.exit(0)
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