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#!/usr/bin/python
import apt
import apt_pkg
def blacklisted(name):
# we need to blacklist linux-image-* as it does not install
# cleanly in the chroot (postinst failes)
blacklist = ["linux-image-","ltsp-client",
"glibc-doc-reference", "libpthread-dev",
"cman", "mysql-server", "fuse-utils",
"ltspfs", "gfs2-tools", "edubuntu-server",
"gnbd-client", "gnbd-server", "mysql-server-5.0",
"rgmanager", "clvm","redhat-cluster-suit",
# has a funny "can not be upgraded automatically" policy
# see debian #368226
"quagga",
"system-config-cluster", "gfs-tools"]
for b in blacklist:
if name.startswith(b):
return True
return False
#apt_pkg.Config.Set("Dir::State::status","./empty")
cache = apt.Cache()
group = apt_pkg.GetPkgActionGroup(cache._depcache)
#print [pkg.name for pkg in cache if pkg.isInstalled]
troublemaker = set()
for pkg in cache:
for c in pkg.candidateOrigin:
if c.component == "main":
current = set([p.name for p in cache if p.markedInstall])
if not (pkg.isInstalled or blacklisted(pkg.name)):
pkg.markInstall()
new = set([p.name for p in cache if p.markedInstall])
#if not pkg.markedInstall or len(new) < len(current):
if not (pkg.isInstalled or pkg.markedInstall):
print "Can't install: %s" % pkg.name
if len(current-new) > 0:
troublemaker.add(pkg.name)
print "Installing '%s' caused removals_ %s" % (pkg.name, current - new)
#print len(troublemaker)
for pkg in ["ubuntu-desktop", "ubuntu-minimal", "ubuntu-standard"]:
cache[pkg].markInstall()
# make sure we don't install blacklisted stuff
for pkg in cache:
if blacklisted(pkg.name):
pkg.markKeep()
print "We can install:"
print len([pkg.name for pkg in cache if pkg.markedInstall])
print "Download: "
pm = apt_pkg.GetPackageManager(cache._depcache)
fetcher = apt_pkg.GetAcquire()
pm.GetArchives(fetcher, cache._list, cache._records)
print apt_pkg.SizeToStr(fetcher.FetchNeeded)
print "Total space: ", apt_pkg.SizeToStr(cache._depcache.UsrSize)
res = False
current = 0
maxRetries = 3
while current < maxRetries:
try:
res = cache.commit(apt.progress.TextFetchProgress(),
apt.progress.InstallProgress())
except IOError, e:
# fetch failed, will be retried
current += 1
print "Retrying to fetch: ", current
continue
except SystemError, e:
print "Error installing packages! "
print e
print "Install result: ",res
break
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