euscan-ng/euscanwww/euscan/views.py

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from annoying.decorators import render_to
from django.http import HttpResponse, Http404
from django.shortcuts import get_object_or_404
from django.db.models import Sum, Max
from models import Version, Package, Herd, Maintainer, EuscanResult, VersionLog
from forms import WorldForm, PackagesForm
import charts
""" Views """
@render_to('euscan/index.html')
def index(request):
ctx = {}
ctx['n_packaged'] = charts.xint(Package.objects.aggregate(Sum('n_packaged'))['n_packaged__sum'])
ctx['n_overlay'] = charts.xint(Package.objects.aggregate(Sum('n_overlay'))['n_overlay__sum'])
ctx['n_versions'] = charts.xint(Package.objects.aggregate(Sum('n_versions'))['n_versions__sum'])
ctx['n_upstream'] = ctx['n_versions'] - ctx['n_packaged'] - ctx['n_overlay']
ctx['n_packages'] = Package.objects.count()
ctx['n_herds'] = Herd.objects.count()
ctx['n_maintainers'] = Maintainer.objects.count()
try:
ctx['last_scan'] = EuscanResult.objects.get(id=EuscanResult.objects.aggregate(Max('id'))['id__max']).datetime
except EuscanResult.DoesNotExist:
ctx['last_scan'] = None
return ctx
@render_to('euscan/logs.html')
def logs(request):
return {}
@render_to('euscan/categories.html')
def categories(request):
categories = Package.objects.values('category').annotate(n_packaged=Sum('n_packaged'),
n_overlay=Sum('n_overlay'),
n_versions=Sum('n_versions'))
return { 'categories' : categories }
@render_to('euscan/category.html')
def category(request, category):
packages = Package.objects.filter(category=category)
packages = packages.select_related('last_version_gentoo', 'last_version_overlay', 'last_version_upstream')
print dir(packages[0])
if not packages:
raise Http404
return { 'category' : category, 'packages' : packages }
@render_to('euscan/herds.html')
def herds(request):
# FIXME: optimize the query, it uses 'LEFT OUTER JOIN' instead of 'INNER JOIN'
herds = Package.objects.filter(herds__isnull=False)
herds = herds.values('herds__herd').annotate(n_packaged=Sum('n_packaged'),
n_overlay=Sum('n_overlay'),
n_versions=Sum('n_versions'))
return { 'herds' : herds }
@render_to('euscan/herd.html')
def herd(request, herd):
herd = get_object_or_404(Herd, herd=herd)
packages = Package.objects.filter(herds__id=herd.id)
packages = packages.select_related('last_version_gentoo', 'last_version_overlay', 'last_version_upstream')
return { 'herd' : herd, 'packages' : packages }
@render_to('euscan/maintainers.html')
def maintainers(request):
maintainers = Package.objects.filter(maintainers__isnull=False)
maintainers = maintainers.values('maintainers__id', 'maintainers__name', 'maintainers__email')
maintainers = maintainers.annotate(n_packaged=Sum('n_packaged'),
n_overlay=Sum('n_overlay'),
n_versions=Sum('n_versions'))
return { 'maintainers' : maintainers }
@render_to('euscan/maintainer.html')
def maintainer(request, maintainer_id):
maintainer = get_object_or_404(Maintainer, id=maintainer_id)
packages = Package.objects.filter(maintainers__id=maintainer.id)
packages = packages.select_related('last_version_gentoo', 'last_version_overlay', 'last_version_upstream')
return { 'maintainer' : maintainer, 'packages' : packages }
@render_to('euscan/overlays.html')
def overlays(request):
overlays = Package.objects.values('version__overlay')
overlays = overlays.exclude(version__overlay='')
overlays = overlays.distinct()
return { 'overlays' : overlays }
@render_to('euscan/overlay.html')
def overlay(request, overlay):
packages = Package.objects.values('id', 'name', 'category',
'n_versions', 'n_packaged',
'n_overlay')
packages = packages.filter(version__overlay=overlay).distinct()
if not packages:
raise Http404
return { 'overlay' : overlay, 'packages' : packages }
@render_to('euscan/package.html')
def package(request, category, package):
def version_key(version):
from distutils.version import StrictVersion, LooseVersion
version = version.version
try:
return StrictVersion(version)
# in case of abnormal version number, fall back to LooseVersion
except ValueError:
return LooseVersion(version)
package = get_object_or_404(Package, category=category, name=package)
package.homepages = package.homepage.split(' ')
packaged = Version.objects.filter(package=package, packaged=True)
upstream = Version.objects.filter(package=package, packaged=False)
packaged = sorted(packaged, key=version_key)
upstream = sorted(upstream, key=version_key)
log = EuscanResult.objects.filter(package=package).order_by('-datetime')[:1]
log = log[0] if log else None
vlog = VersionLog.objects.filter(package=package).order_by('-id')
return { 'package' : package, 'packaged' : packaged,
'upstream' : upstream, 'log' : log, 'vlog' : vlog }
@render_to('euscan/world.html')
def world(request):
world_form = WorldForm()
packages_form = PackagesForm()
return { 'world_form' : world_form,
'packages_form' : packages_form }
@render_to('euscan/world_scan.html')
def world_scan(request):
packages = []
if 'world' in request.FILES:
data = request.FILES['world'].read()
elif 'packages' in request.POST:
data = request.POST['packages']
else:
data = ""
data = data.replace("\r", "")
for pkg in data.split('\n'):
try:
if '/' in pkg:
cat, pkg = pkg.split('/')
packages.extend(Package.objects.filter(category=cat, name=pkg))
else:
packages.extend(Package.objects.filter(name=pkg))
except:
pass
return { 'packages' : packages }
@render_to("euscan/about.html")
def about(request):
return {}
@render_to("euscan/api.html")
def api(request):
return {}
@render_to("euscan/statistics.html")
def statistics(request):
return {}
def chart(request, **kwargs):
from django.views.static import serve
chart = kwargs['chart'] if 'chart' in kwargs else None
if 'maintainer_id' in kwargs:
kwargs['maintainer'] = get_object_or_404(Maintainer, id=kwargs['maintainer_id'])
if 'herd' in kwargs:
kwargs['herd'] = get_object_or_404(Herd, herd=kwargs['herd'])
for kw in ('-small', '-weekly', '-monthly', '-yearly'):
if chart.endswith(kw):
if kw in ('-weekly', '-monthly', '-yearly'):
kwargs['period'] = kw
kwargs[kw] = True
chart = chart[:-len(kw)]
if chart == 'pie-packages':
path = charts.pie_packages(**kwargs)
elif chart == 'pie-versions':
path = charts.pie_versions(**kwargs)
elif chart == 'packages':
path = charts.packages(**kwargs)
elif chart == 'versions':
path = charts.versions(**kwargs)
else:
raise Http404()
return serve(request, path, document_root=charts.CHARTS_ROOT)
def chart_maintainer(request, **kwargs):
return chart(request, **kwargs)
def chart_herd(request, **kwargs):
return chart(request, **kwargs)
def chart_category(request, **kwargs):
return chart(request, **kwargs)