/usr/share/doc/python-apt/examples/checkstate.py is in python-apt-doc 0.8.3ubuntu7.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | #!/usr/bin/python
#
#
# this example is not usefull to find out about updated, upgradable packages
# use the depcache.py example for it (because a pkgPolicy is not used here)
#
import apt_pkg
apt_pkg.init()
cache = apt_pkg.Cache()
packages = cache.Packages
uninstalled, updated, upgradable = {}, {}, {}
for package in packages:
versions = package.VersionList
if not versions:
continue
version = versions[0]
for other_version in versions:
if apt_pkg.VersionCompare(version.VerStr, other_version.VerStr)<0:
version = other_version
if package.CurrentVer:
current = package.CurrentVer
if apt_pkg.VersionCompare(current.VerStr, version.VerStr)<0:
upgradable[package.Name] = version
break
else:
updated[package.Name] = current
else:
uninstalled[package.Name] = version
for l in (uninstalled, updated, upgradable):
print l.items()[0]
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