/usr/share/doc/python-apt/examples/recommends.py is in python-apt-doc 0.8.3ubuntu7.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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 37 38 39 | #!/usr/bin/python
import apt_pkg
apt_pkg.init()
cache = apt_pkg.Cache()
class Wanted:
def __init__(self, name):
self.name = name
self.recommended = []
self.suggested = []
wanted = {}
for package in cache.Packages:
current = package.CurrentVer
if not current:
continue
depends = current.DependsList
for (key, attr) in (('Suggests', 'suggested'),
('Recommends', 'recommended')):
list = depends.get(key, [])
for dependency in list:
name = dependency[0].TargetPkg.Name
dep = cache[name]
if dep.CurrentVer:
continue
getattr(wanted.setdefault(name, Wanted(name)),
attr).append(package.Name)
ks = wanted.keys()
ks.sort()
for want in ks:
print want, wanted[want].recommended, wanted[want].suggested
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