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from operator import attrgetter
from main.models import Arch, Package
from main.utils import cache_function
@cache_function(300)
def get_recent_updates(number=15):
# This is a bit of magic. We are going to show 15 on the front page, but we
# want to try and eliminate cross-architecture wasted space. Pull enough
# packages that we can later do some screening and trim out the fat.
pkgs = []
# grab a few extra so we can hopefully catch everything we need
fetch = number * 4
for arch in Arch.objects.all():
pkgs += list(Package.objects.select_related(
'arch', 'repo').filter(arch=arch).order_by('-last_update')[:fetch])
pkgs.sort(key=attrgetter('last_update'))
updates = []
ctr = 0
while ctr < number and len(pkgs) > 0:
# not particularly happy with this logic, but it works.
p = pkgs.pop()
is_same = lambda q: p.is_same_version(q) and p.repo == q.repo
samepkgs = filter(is_same, pkgs)
samepkgs.append(p)
samepkgs.sort(key=attrgetter('arch'))
updates.append(samepkgs)
for q in samepkgs:
if p != q: pkgs.remove(q)
ctr += 1
return updates
# vim: set ts=4 sw=4 et:
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