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from datetime import timedelta
from itertools import groupby
from operator import attrgetter, itemgetter
from django.db import connection
from django.http import Http404
from django.shortcuts import get_object_or_404, render
from django.utils.timezone import now
from django.views.decorators.http import condition
from django_countries.fields import Country
from ..models import (Mirror, MirrorUrl, MirrorProtocol, MirrorLog,
CheckLocation)
from ..utils import get_mirror_statuses, get_mirror_errors
def mirrors(request):
mirror_list = Mirror.objects.select_related().order_by('tier', 'name')
protos = MirrorUrl.objects.values_list(
'mirror_id', 'protocol__protocol').order_by(
'mirror_id', 'protocol__protocol').distinct()
countries = MirrorUrl.objects.values_list(
'mirror_id', 'country').order_by(
'mirror_id', 'country').distinct()
if not request.user.is_authenticated():
mirror_list = mirror_list.filter(public=True, active=True)
protos = protos.filter(
mirror__public=True, mirror__active=True, active=True)
countries = countries.filter(
mirror__public=True, mirror__active=True, active=True)
protos = {k: list(v) for k, v in groupby(protos, key=itemgetter(0))}
countries = {k: list(v) for k, v in groupby(countries, key=itemgetter(0))}
for mirror in mirror_list:
item_protos = protos.get(mirror.id, [])
mirror.protocols = [item[1] for item in item_protos]
mirror.country = None
item_countries = countries.get(mirror.id, [])
if len(item_countries) == 1:
mirror.country = Country(item_countries[0][1])
return render(request, 'mirrors/mirrors.html',
{'mirror_list': mirror_list})
def mirror_details(request, name):
mirror = get_object_or_404(Mirror, name=name)
authorized = request.user.is_authenticated()
if not authorized and \
(not mirror.public or not mirror.active):
raise Http404
error_cutoff = timedelta(days=7)
status_info = get_mirror_statuses(mirror_id=mirror.id,
show_all=authorized)
checked_urls = {url for url in status_info['urls'] \
if url.mirror_id == mirror.id}
all_urls = mirror.urls.select_related('protocol')
if not authorized:
all_urls = all_urls.filter(active=True)
all_urls = set(all_urls)
# Add dummy data for URLs that we haven't checked recently
other_urls = all_urls.difference(checked_urls)
for url in other_urls:
for attr in ('last_sync', 'completion_pct', 'delay', 'duration_avg',
'duration_stddev', 'score'):
setattr(url, attr, None)
all_urls = sorted(checked_urls.union(other_urls), key=attrgetter('url'))
error_logs = get_mirror_errors(mirror_id=mirror.id, cutoff=error_cutoff,
show_all=True)
context = {
'mirror': mirror,
'urls': all_urls,
'cutoff': error_cutoff,
'error_logs': error_logs,
}
return render(request, 'mirrors/mirror_details.html', context)
def url_details(request, name, url_id):
url = get_object_or_404(MirrorUrl.objects.select_related(),
id=url_id, mirror__name=name)
mirror = url.mirror
authorized = request.user.is_authenticated()
if not authorized and \
(not mirror.public or not mirror.active or not url.active):
raise Http404
error_cutoff = timedelta(days=7)
cutoff_time = now() - error_cutoff
logs = MirrorLog.objects.select_related('location').filter(
url=url, check_time__gte=cutoff_time).order_by('-check_time')
context = {
'url': url,
'logs': logs,
}
return render(request, 'mirrors/url_details.html', context)
def status_last_modified(request, *args, **kwargs):
cursor = connection.cursor()
cursor.execute("SELECT MAX(check_time) FROM mirrors_mirrorlog")
return cursor.fetchone()[0]
@condition(last_modified_func=status_last_modified)
def status(request, tier=None):
if tier is not None:
tier = int(tier)
if tier not in [t[0] for t in Mirror.TIER_CHOICES]:
raise Http404
bad_timedelta = timedelta(days=3)
status_info = get_mirror_statuses()
urls = status_info['urls']
good_urls = []
bad_urls = []
for url in urls:
# screen by tier if we were asked to
if tier is not None and url.mirror.tier != tier:
continue
# split them into good and bad lists based on delay
if url.completion_pct is None:
# skip URLs that have never been checked
continue
elif not url.delay or url.delay > bad_timedelta:
bad_urls.append(url)
else:
good_urls.append(url)
error_logs = get_mirror_errors()
if tier is not None:
error_logs = [log for log in error_logs
if log['url'].mirror.tier == tier]
context = status_info.copy()
context.update({
'good_urls': sorted(good_urls, key=attrgetter('score')),
'bad_urls': sorted(bad_urls, key=lambda u: u.delay or timedelta.max),
'error_logs': error_logs,
'tier': tier,
})
return render(request, 'mirrors/status.html', context)
# vim: set ts=4 sw=4 et:
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