From c5308b75837dfcbb851bcf9e93553c72e4b8996e Mon Sep 17 00:00:00 2001 From: Dan McGee Date: Wed, 29 Jun 2011 12:05:07 -0500 Subject: Recent updates refactor Pull out a few helpful objects and functions for use later elsewhere. Signed-off-by: Dan McGee --- public/utils.py | 38 +++++++++++++------------------------- 1 file changed, 13 insertions(+), 25 deletions(-) (limited to 'public') diff --git a/public/utils.py b/public/utils.py index 0be3ebaa..5900c674 100644 --- a/public/utils.py +++ b/public/utils.py @@ -1,7 +1,7 @@ from operator import attrgetter from main.models import Arch, Package, Repo -from main.utils import cache_function +from main.utils import cache_function, groupby_preserve_order, PackageStandin class RecentUpdate(object): def __init__(self, packages): @@ -35,18 +35,12 @@ def package_links(self): for package in self.packages: yield package else: - # time to fake out the template, this is a tad dirty - arches = set(pkg.arch for pkg in self.others) - for arch in arches: - url = '/packages/%s/%s/%s/' % ( - self.repo.name.lower(), arch.name, self.pkgbase) - package_stub = { - 'pkgname': self.pkgbase, - 'arch': arch, - 'repo': self.repo, - 'get_absolute_url': url - } - yield package_stub + # fake out the template- this is slightly hacky but yields one + # 'package-like' object per arch which is what the normal loop does + arches = set() + for package in self.others: + if package.arch not in arches and not arches.add(package.arch): + yield PackageStandin(package) @cache_function(300) def get_recent_updates(number=15): @@ -59,20 +53,14 @@ def get_recent_updates(number=15): for arch in Arch.objects.all(): pkgs += list(Package.objects.normal().filter( arch=arch).order_by('-last_update')[:fetch]) - pkgs.sort(key=attrgetter('last_update')) + pkgs.sort(key=attrgetter('last_update'), reverse=True) - updates = [] - while len(pkgs) > 0: - pkg = pkgs.pop() - - in_group = lambda x: pkg.repo == x.repo and pkg.pkgbase == x.pkgbase - samepkgs = [other for other in pkgs if in_group(other)] - samepkgs.append(pkg) + same_pkgbase_key = lambda x: (x.repo.name, x.pkgbase) + grouped = groupby_preserve_order(pkgs, same_pkgbase_key) - # now remove all the packages we just pulled out - pkgs = [other for other in pkgs if other not in samepkgs] - - update = RecentUpdate(samepkgs) + updates = [] + for group in grouped: + update = RecentUpdate(group) updates.append(update) return updates[:number] -- cgit v1.2.3-54-g00ecf