euscanwww: add basic json/xml API
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
This commit is contained in:
Corentin Chary
parent
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0
euscanwww/api/__init__.py
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euscanwww/api/__init__.py
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euscanwww/api/handlers.py
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euscanwww/api/handlers.py
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from piston.handler import AnonymousBaseHandler, BaseHandler
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from piston.utils import rc, HttpStatusCode
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from django.db.models import Sum, Max
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from django.shortcuts import get_object_or_404
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from django.forms.models import model_to_dict
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from euscan.models import Version, Package, Herd, Maintainer, EuscanResult, VersionLog
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from euscan.forms import WorldForm, PackagesForm
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def xint(i):
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try:
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return int(i)
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except:
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return 0
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def renameFields(vqs, fields):
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ret = []
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for n in vqs:
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for tr in fields:
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if tr[0] in n:
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n[tr[1]] = n[tr[0]]
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del n[tr[0]]
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ret.append(n)
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return ret
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# /api/1.0/
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class RootHandler(AnonymousBaseHandler):
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allowed_methods = ('GET',)
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def read(self, request):
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return {'api-version': '1.0'}
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# /api/1.0/statistics
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class StatisticsHandler(AnonymousBaseHandler):
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allowed_methods = ('GET',)
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def read(self, request):
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print request
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data = {}
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data['n_packaged'] = xint(Package.objects.aggregate(Sum('n_packaged'))['n_packaged__sum'])
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data['n_overlay'] = xint(Package.objects.aggregate(Sum('n_overlay'))['n_overlay__sum'])
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data['n_versions'] = xint(Package.objects.aggregate(Sum('n_versions'))['n_versions__sum'])
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data['n_upstream'] = data['n_versions'] - data['n_packaged'] - data['n_overlay']
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data['n_packages'] = Package.objects.count()
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data['n_herds'] = Herd.objects.count()
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data['n_maintainers'] = Maintainer.objects.count()
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data['last_scan'] = EuscanResult.objects.get(id=EuscanResult.objects.aggregate(Max('id'))['id__max']).datetime
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return data
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# /api/1.0/maintainers
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class MaintainersHandler(AnonymousBaseHandler):
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allowed_methods = ('GET',)
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def read(self, request):
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maintainers = Package.objects.filter(maintainers__isnull=False)
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maintainers = maintainers.values('maintainers__id', 'maintainers__name', 'maintainers__email')
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maintainers = maintainers.annotate(n_packaged=Sum('n_packaged'),
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n_overlay=Sum('n_overlay'),
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n_versions=Sum('n_versions'))
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maintainers = renameFields(maintainers, [('maintainers__id', 'id'),
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('maintainers__name', 'name'),
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('maintainers__email', 'email')])
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return maintainers
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# /api/1.0/herds
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class HerdsHandler(AnonymousBaseHandler):
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allowed_methods = ('GET',)
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def read(self, request):
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# FIXME: optimize the query, it uses 'LEFT OUTER JOIN' instead of 'INNER JOIN'
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herds = Package.objects.filter(herds__isnull=False)
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herds = herds.values('herds__herd').annotate(n_packaged=Sum('n_packaged'),
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n_overlay=Sum('n_overlay'),
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n_versions=Sum('n_versions'))
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herds = renameFields(herds, [('herds__herd', 'herd')])
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return herds
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# /api/1.0/categories
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class CategoriesHandler(AnonymousBaseHandler):
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allowed_methods = ('GET',)
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def read(self, request):
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categories = Package.objects.values('category')
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categories = categories.annotate(n_packaged=Sum('n_packaged'),
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n_overlay=Sum('n_overlay'),
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n_versions=Sum('n_versions'))
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return { 'categories' : categories }
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# /api/1.0/packages/by-maintainer/
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# /api/1.0/packages/by-category/
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# /api/1.0/packages/by-herd/
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class PackagesHandler(AnonymousBaseHandler):
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allowed_methods = ('GET',)
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fields = ('category', 'name', 'n_packaged', 'n_overlay', 'n_versions')
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model = Package
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def read(self, request, **kwargs):
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data = {}
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if 'category' in kwargs:
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packages = Package.objects.filter(category=kwargs['category'])
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data = { 'category' : kwargs['category'], 'packages' : packages }
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elif 'herd' in kwargs:
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herd = get_object_or_404(Herd, herd=kwargs['herd'])
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packages = Package.objects.filter(herds__id=herd.id)
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data = { 'herd' : herd, 'packages' : packages }
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elif 'maintainer' in kwargs:
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maintainer = get_object_or_404(Maintainer, id=kwargs['maintainer'])
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packages = Package.objects.filter(maintainers__id=maintainer.id)
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data = { 'maintainer' : maintainer, 'packages' : packages }
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return data
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# /api/1.0/package/
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class PackageHandler(AnonymousBaseHandler):
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allowed_methods = ('GET',)
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def read(self, request, category, package):
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package = get_object_or_404(Package, category=category, name=package)
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package.homepages = package.homepage.split(' ')
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versions = Version.objects.filter(package=package)
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log = EuscanResult.objects.filter(package=package).order_by('-datetime')[:1]
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log = log[0] if log else None
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vlog = VersionLog.objects.filter(package=package).order_by('-id')
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herds = []
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for herd in package.herds.all():
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print herd
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herds.append(model_to_dict(herd, ['herd']))
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maintainers = []
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for maintainer in package.maintainers.all():
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maintainers.append(model_to_dict(maintainer, ['name', 'email']))
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version_log = []
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for v in vlog:
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v = model_to_dict(v, ['version', 'revision', 'slot', 'overlay', 'datetime', 'action'])
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if v['action'] == VersionLog.VERSION_ADDED:
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v['action'] = 'added'
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if v['action'] == VersionLog.VERSION_REMOVED:
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v['action'] = 'removed'
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version_log.append(v)
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upstream = []
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packaged = []
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for version in versions:
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unpackaged = not version.packaged
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version = model_to_dict(version, ['version', 'revision', 'slot', 'overlay', 'urls'])
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if unpackaged:
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upstream.append(version)
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else:
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packaged.append(version)
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package = model_to_dict(package, ['category', 'name', 'description',
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'homepage'])
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package['herds'] = herds
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package['maintainers'] = maintainers
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package['packaged'] = packaged
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package['upstream'] = upstream
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package['vlog'] = version_log
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if log:
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package['log'] = model_to_dict(log, ['result', 'datetime'])
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return package
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26
euscanwww/api/urls.py
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26
euscanwww/api/urls.py
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@ -0,0 +1,26 @@
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from django.conf.urls.defaults import *
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from piston.resource import Resource
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from api.handlers import *
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root_handler = Resource(handler=RootHandler)
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statistics_handler = Resource(handler=StatisticsHandler)
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herds_handler = Resource(handler=HerdsHandler)
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categories_handler = Resource(handler=CategoriesHandler)
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maintainers_handler = Resource(handler=MaintainersHandler)
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packages_handler = Resource(handler=PackagesHandler)
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package_handler = Resource(handler=PackageHandler)
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urlpatterns = patterns('api.views',
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(r'^1.0/statistics\.(?P<emitter_format>.+)$', statistics_handler),
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(r'^1.0/herds\.(?P<emitter_format>.+)$', herds_handler),
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(r'^1.0/categories\.(?P<emitter_format>.+)$', categories_handler),
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(r'^1.0/maintainers\.(?P<emitter_format>.+)$', maintainers_handler),
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(r'^1.0/packages/by-maintainer/(?P<maintainer_id>\d+)\.(?P<emitter_format>.+)$', packages_handler),
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(r'^1.0/packages/by-herd/(?P<herd>[\@\{\}\w+.-]*)\.(?P<emitter_format>.+)?$', packages_handler),
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(r'^1.0/packages/by-category/(?P<category>[\w+][\w+.-]*)\.(?P<emitter_format>.+)?$', packages_handler),
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(r'^1.0/package/(?P<category>[\w+][\w+.-]*)/(?P<package>[\w+][\w+.-]*)\.(?P<emitter_format>.+)$', package_handler),
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(r'^1.0/api\.(?P<emitter_format>.+)$', root_handler),
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)
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@ -10,6 +10,7 @@ urlpatterns = patterns('',
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# (r'^admin/doc/', include('django.contrib.admindocs.urls')),
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# (r'^admin/doc/', include('django.contrib.admindocs.urls')),
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(r'^admin/', include(admin.site.urls)),
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(r'^admin/', include(admin.site.urls)),
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(r'^api/', include('api.urls')),
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(r'^', include('euscan.urls')),
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(r'^', include('euscan.urls')),
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)
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)
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