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#!/usr/bin/env python2.4
#
# Test for the DepCache code
#
import sys
import apt_pkg
def main():
apt_pkg.init()
cache = apt_pkg.Cache()
depcache = apt_pkg.DepCache(cache)
depcache.init()
i = 0
all = cache.package_count
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.get_candidate_ver(pkg)
if ver is not None:
depcache.mark_install(pkg)
if depcache.broken_count > 0:
fixer = apt_pkg.ProblemResolver(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.marked_install(pkg):
print("broken in archive: %s " % pkg.name)
fixer = None
if depcache.inst_count == 0:
if depcache.is_upgradable(pkg):
print("Error marking %s for install" % x)
for p in cache.packages:
if depcache.marked_install(p) or depcache.marked_upgrade(p):
depcache.mark_keep(p)
if depcache.inst_count != 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.inst_count)
print("To remove: %s " % depcache.del_count)
print("Kept back: %s " % depcache.keep_count)
print("Trying DistUpgrade:")
depcache.upgrade(True)
print("To install: %s " % depcache.inst_count)
print("To remove: %s " % depcache.del_count)
print("Kept back: %s " % depcache.keep_count)
if __name__ == "__main__":
main()
sys.exit(0)
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