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from django import forms
from django.db.models import Avg, Count, Max, Min, StdDev
from django.db.models import Q
from django.http import Http404
from django.shortcuts import get_object_or_404
from django.views.decorators.csrf import csrf_exempt
from django.views.generic.simple import direct_to_template
from main.utils import make_choice
from .models import Mirror, MirrorUrl, MirrorProtocol
from .utils import get_mirror_statuses, get_mirror_errors
import datetime
class MirrorlistForm(forms.Form):
country = forms.MultipleChoiceField(required=False)
protocol = forms.MultipleChoiceField(required=False)
ip_version = forms.MultipleChoiceField(required=False,
label="IP version", choices=(('4','IPv4'), ('6','IPv6')))
use_mirror_status = forms.BooleanField(required=False)
def __init__(self, *args, **kwargs):
super(MirrorlistForm, self).__init__(*args, **kwargs)
mirrors = Mirror.objects.filter(active=True).values_list(
'country', flat=True).distinct().order_by('country')
self.fields['country'].choices = [('all','All')] + make_choice(
mirrors)
self.fields['country'].initial = ['all']
protos = make_choice(
MirrorProtocol.objects.filter(is_download=True))
self.fields['protocol'].choices = protos
self.fields['protocol'].initial = [t[0] for t in protos]
self.fields['ip_version'].initial = ['4']
@csrf_exempt
def generate_mirrorlist(request):
if request.REQUEST.get('country', ''):
form = MirrorlistForm(data=request.REQUEST)
if form.is_valid():
countries = form.cleaned_data['country']
protocols = form.cleaned_data['protocol']
use_status = form.cleaned_data['use_mirror_status']
ipv4 = '4' in form.cleaned_data['ip_version']
ipv6 = '6' in form.cleaned_data['ip_version']
return find_mirrors(request, countries, protocols,
use_status, ipv4, ipv6)
else:
form = MirrorlistForm()
return direct_to_template(request, 'mirrors/index.html', {'mirrorlist_form': form})
def find_mirrors(request, countries=None, protocols=None, use_status=False,
ipv4_supported=True, ipv6_supported=True):
if not protocols:
protocols = MirrorProtocol.objects.filter(
is_download=True).values_list('protocol', flat=True)
qset = MirrorUrl.objects.select_related().filter(
protocol__protocol__in=protocols,
mirror__public=True, mirror__active=True, mirror__isos=True
)
if countries and 'all' not in countries:
qset = qset.filter(mirror__country__in=countries)
ip_version = Q()
if ipv4_supported:
ip_version |= Q(has_ipv4=True)
if ipv6_supported:
ip_version |= Q(has_ipv6=True)
qset = qset.filter(ip_version)
if not use_status:
urls = qset.order_by('mirror__country', 'mirror__name', 'url')
template = 'mirrors/mirrorlist.txt'
else:
status_info = get_mirror_statuses()
scores = dict([(u.id, u.score) for u in status_info['urls']])
urls = []
for u in qset:
u.score = scores.get(u.id, None)
# also include mirrors that don't have an up to date score
# (as opposed to those that have been set with no score)
if (u.id not in scores) or \
(u.score and u.score < 100.0):
urls.append(u)
# if a url doesn't have a score, treat it as the highest possible
urls = sorted(urls, key=lambda x: x.score or 100.0)
template = 'mirrors/mirrorlist_status.txt'
return direct_to_template(request, template, {
'mirror_urls': urls,
},
mimetype='text/plain')
def mirrors(request):
mirrors = Mirror.objects.select_related().order_by('tier', 'country')
if not request.user.is_authenticated():
mirrors = mirrors.filter(public=True, active=True)
return direct_to_template(request, 'mirrors/mirrors.html',
{'mirror_list': mirrors})
def mirror_details(request, name):
mirror = get_object_or_404(Mirror, name=name)
if not request.user.is_authenticated() and \
(not mirror.public or not mirror.active):
# TODO: maybe this should be 403? but that would leak existence
raise Http404
return direct_to_template(request, 'mirrors/mirror_details.html',
{'mirror': mirror})
def status(request):
bad_timedelta = datetime.timedelta(days=3)
status_info = get_mirror_statuses()
urls = status_info['urls']
good_urls = []
bad_urls = []
for url in urls:
# split them into good and bad lists based on delay
if not url.delay or url.delay > bad_timedelta:
bad_urls.append(url)
else:
good_urls.append(url)
context = status_info.copy()
context.update({
'good_urls': good_urls,
'bad_urls': bad_urls,
'error_logs': get_mirror_errors(),
})
return direct_to_template(request, 'mirrors/status.html', context)
# vim: set ts=4 sw=4 et:
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