66850026ca
Bug #16519 in Django deprecates mimetype, so update our code accordingly. Signed-off-by: Dan McGee <dan@archlinux.org>
235 lines
8.0 KiB
Python
235 lines
8.0 KiB
Python
import datetime
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import json
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from string import Template
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from urllib import urlencode
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from django.http import HttpResponse, Http404
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from django.shortcuts import get_object_or_404, redirect, render
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from django.utils.timezone import now
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from main.models import Package, PackageFile, Arch, Repo
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from mirrors.utils import get_mirror_url_for_download
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from ..models import Update
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from ..utils import get_group_info, PackageJSONEncoder
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def arch_plus_agnostic(arch):
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arches = [ arch ]
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arches.extend(Arch.objects.filter(agnostic=True).order_by())
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return arches
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def split_package_details(request, name, repo, arch):
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'''Check if we have a split package (e.g. pkgbase) value matching this
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name. If so, we can show a listing page for the entire set of packages.'''
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arches = arch_plus_agnostic(arch)
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pkgs = Package.objects.normal().filter(pkgbase=name,
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repo__testing=repo.testing, repo__staging=repo.staging,
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arch__in=arches).order_by('pkgname')
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if len(pkgs) == 0:
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return None
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# we have packages, but ensure at least one is in the given repo
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if not any(True for pkg in pkgs if pkg.repo == repo):
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return None
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context = {
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'list_title': 'Split Package Details',
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'name': name,
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'arch': arch,
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'packages': pkgs,
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}
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return render(request, 'packages/packages_list.html', context)
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CUTOFF = datetime.timedelta(days=60)
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def recently_removed_package(request, name, repo, arch, cutoff=CUTOFF):
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'''Check our packages update table to see if this package has existed in
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this repo before. If so, we can show a 410 Gone page and point the
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requester in the right direction.'''
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arches = arch_plus_agnostic(arch)
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match = Update.objects.select_related('arch', 'repo').filter(
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pkgname=name, repo=repo, arch__in=arches)
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if cutoff is not None:
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when = now() - cutoff
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match = match.filter(created__gte=when)
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try:
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update = match.latest()
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elsewhere = update.elsewhere()
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if len(elsewhere) == 1:
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return redirect(elsewhere[0])
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context = {
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'update': update,
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'elsewhere': elsewhere,
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'name': name,
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'version': update.old_version,
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'arch': arch,
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'repo': repo,
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}
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return render(request, 'packages/removed.html', context, status=410)
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except Update.DoesNotExist:
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return None
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def replaced_package(request, name, repo, arch):
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'''Check our package replacements to see if this is a package we used to
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have but no longer do.'''
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match = Package.objects.filter(replaces__name=name, repo=repo, arch=arch)
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if len(match) == 1:
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return redirect(match[0], permanent=True)
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elif len(match) > 1:
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context = {
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'elsewhere': match,
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'name': name,
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'version': '',
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'arch': arch,
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'repo': repo,
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}
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return render(request, 'packages/removed.html', context, status=410)
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return None
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def redirect_agnostic(request, name, repo, arch):
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'''For arch='any' packages, we can issue a redirect to them if we have a
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single non-ambiguous option by changing the arch to match any arch-agnostic
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package.'''
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if not arch.agnostic:
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# limit to 2 results, we only need to know whether there is anything
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# except only one matching result
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pkgs = Package.objects.select_related(
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'arch', 'repo', 'packager').filter(pkgname=name,
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repo=repo, arch__agnostic=True)[:2]
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if len(pkgs) == 1:
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return redirect(pkgs[0], permanent=True)
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return None
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def redirect_to_search(request, name, repo, arch):
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pkg_data = [
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('arch', arch.lower()),
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('repo', repo.lower()),
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('q', name),
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]
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# only include non-blank values in the query we generate
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pkg_data = [(x, y.encode('utf-8')) for x, y in pkg_data if y]
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return redirect("/packages/?%s" % urlencode(pkg_data))
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def details(request, name='', repo='', arch=''):
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if all([name, repo, arch]):
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arch_obj = get_object_or_404(Arch, name=arch)
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repo_obj = get_object_or_404(Repo, name__iexact=repo)
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try:
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pkg = Package.objects.select_related(
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'arch', 'repo', 'packager').get(pkgname=name,
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repo=repo_obj, arch=arch_obj)
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return render(request, 'packages/details.html', {'pkg': pkg})
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except Package.DoesNotExist:
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# attempt a variety of fallback options before 404ing
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options = (redirect_agnostic, split_package_details,
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recently_removed_package, replaced_package)
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for method in options:
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ret = method(request, name, repo_obj, arch_obj)
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if ret:
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return ret
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# we've tried everything at this point, nothing to see
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raise Http404
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else:
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return redirect_to_search(request, name, repo, arch)
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def groups(request, arch=None):
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arches = []
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if arch:
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get_object_or_404(Arch, name=arch, agnostic=False)
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arches.append(arch)
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grps = get_group_info(arches)
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context = {
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'groups': grps,
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'arch': arch,
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}
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return render(request, 'packages/groups.html', context)
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def group_details(request, arch, name):
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arch = get_object_or_404(Arch, name=arch)
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arches = arch_plus_agnostic(arch)
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pkgs = Package.objects.normal().filter(
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groups__name=name, arch__in=arches).order_by('pkgname')
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if len(pkgs) == 0:
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raise Http404
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context = {
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'list_title': 'Group Details',
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'name': name,
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'arch': arch,
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'packages': pkgs,
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}
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return render(request, 'packages/packages_list.html', context)
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def files(request, name, repo, arch):
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pkg = get_object_or_404(Package,
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pkgname=name, repo__name__iexact=repo, arch__name=arch)
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# files are inserted in sorted order, so preserve that
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fileslist = PackageFile.objects.filter(pkg=pkg).order_by('id')
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dir_count = sum(1 for f in fileslist if f.is_directory)
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files_count = len(fileslist) - dir_count
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context = {
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'pkg': pkg,
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'files': fileslist,
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'files_count': files_count,
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'dir_count': dir_count,
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}
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template = 'packages/files.html'
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return render(request, template, context)
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def details_json(request, name, repo, arch):
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pkg = get_object_or_404(Package,
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pkgname=name, repo__name__iexact=repo, arch__name=arch)
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to_json = json.dumps(pkg, ensure_ascii=False, cls=PackageJSONEncoder)
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return HttpResponse(to_json, content_type='application/json')
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def files_json(request, name, repo, arch):
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pkg = get_object_or_404(Package,
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pkgname=name, repo__name__iexact=repo, arch__name=arch)
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# files are inserted in sorted order, so preserve that
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fileslist = PackageFile.objects.filter(pkg=pkg).order_by('id')
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dir_count = sum(1 for f in fileslist if f.is_directory)
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files_count = len(fileslist) - dir_count
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data = {
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'pkgname': pkg.pkgname,
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'repo': pkg.repo.name.lower(),
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'arch': pkg.arch.name.lower(),
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'pkg_last_update': pkg.last_update,
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'files_last_update': pkg.files_last_update,
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'files_count': files_count,
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'dir_count': dir_count,
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'files': fileslist,
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}
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to_json = json.dumps(data, ensure_ascii=False, cls=PackageJSONEncoder)
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return HttpResponse(to_json, content_type='application/json')
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def download(request, name, repo, arch):
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pkg = get_object_or_404(Package,
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pkgname=name, repo__name__iexact=repo, arch__name=arch)
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url = get_mirror_url_for_download()
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if not url:
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raise Http404
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arch = pkg.arch.name
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if pkg.arch.agnostic:
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# grab the first non-any arch to fake the download path
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arch = Arch.objects.exclude(agnostic=True)[0].name
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values = {
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'host': url.url,
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'arch': arch,
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'repo': pkg.repo.name.lower(),
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'file': pkg.filename,
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}
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url = Template('${host}${repo}/os/${arch}/${file}').substitute(values)
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return redirect(url)
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# vim: set ts=4 sw=4 et:
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