/usr/share/doc/python-apt/examples/cache-packages.py is in python-apt-doc 0.9.3.12.
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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 | #!/usr/bin/python
"""Example for packages. Print all essential and important packages"""
import apt_pkg
def main():
"""Main."""
apt_pkg.init_config()
apt_pkg.init_system()
cache = apt_pkg.Cache()
print "Essential packages:"
for pkg in cache.packages:
if pkg.essential:
print " ", pkg.name
print "Important packages:"
for pkg in cache.packages:
if pkg.important:
print " ", pkg.name
if __name__ == "__main__":
main()
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