Anpassungen für das Hosting bei Djangoeurope und damit verbundenen Versionen Django 1.8 und Python 2.7
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Christian Berg
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Christian Berg
Christian Berg
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265
src/events/views.py
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265
src/events/views.py
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# -*- encoding: utf-8 -*-
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# Create your views here.
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from datetime import timedelta
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from django.contrib.auth.decorators import permission_required
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from django.contrib.auth import get_user_model
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from django.core.urlresolvers import reverse
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from django.http import HttpResponse, Http404
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from django.shortcuts import redirect
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from django.utils import timezone
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from django.utils.decorators import method_decorator
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from django.utils.translation import ugettext as _
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from django.views import generic
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from icalendar import Calendar, Event
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import pyexiv2
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from utils.mixins import PermissionRequiredMixin
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from . import models, forms
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class DeleteEventPhoto(generic.DeleteView):
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model = models.Photo
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"""
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def get_object(self, queryset=None):
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return models.Photo.objects.get(pk=self.kwargs['pk'])
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"""
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def get_success_url(self):
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return reverse('event-photo-list', args=[self.object.event.id])
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@method_decorator(permission_required('events.delete_photo'))
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def dispatch(self, *args, **kwargs):
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return super(DeleteEventPhoto, self).dispatch(*args, **kwargs)
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class EventArchiveIndex(generic.ArchiveIndexView):
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allow_empty = True
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context_object_name = 'event_list'
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date_field = 'start'
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model = models.Event
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queryset = model.objects.all()
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paginate_by = 15
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def get_context_data(self, **kwargs):
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context = generic.ArchiveIndexView.get_context_data(self, **kwargs)
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context['is_archive'] = True
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return context
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class EventArchiveMonth(generic.MonthArchiveView):
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date_field = 'start'
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make_object_list = True
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model = models.Event
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month_format = '%m'
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paginate_by = 15
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template_name = 'events/event_archive.html'
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def get_context_data(self, **kwargs):
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context = generic.MonthArchiveView.get_context_data(self, **kwargs)
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context['is_archive'] = True
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return context
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class EventArchiveYear(generic.YearArchiveView):
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date_field = 'start'
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make_object_list = True
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model = models.Event
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paginate_by = 15
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template_name = 'events/event_archive.html'
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year_format = '%Y'
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def get_context_data(self, **kwargs):
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context = generic.YearArchiveView.get_context_data(self, **kwargs)
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context['is_archive'] = True
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return context
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class EventDetail(generic.DetailView):
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model = models.Event
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class EventDetailMixin(object):
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def get_context_data(self, **kwargs):
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context = super(EventDetailMixin, self).get_context_data(**kwargs)
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if hasattr(self, 'event'):
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context['event'] = self.event
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else:
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context['event'] = self.object.event
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return context
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class EventForm(PermissionRequiredMixin, generic.UpdateView):
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form_class = forms.EventForm
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permission_required = 'events.add_event'
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def get_context_data(self, **kwargs):
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context = super(EventForm, self).get_context_data(**kwargs)
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if self.kwargs.get('pk'):
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context['title'] = _("Edit Event")
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else:
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context['title'] = _("Add Event")
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return context
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def get_object(self, queryset=None):
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"""
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If an id has been submitted, try return the existing Event for an update,
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else creates a new one.
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@param queryset:
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"""
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if self.kwargs.get('pk'):
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event = models.Event.objects.get(pk=self.kwargs['pk'])
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if event.event_series:
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return event.event_series
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else:
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return event
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else:
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return models.Event()
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class EventGallery(generic.ListView):
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template_name = 'events/photo_gallery.html'
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queryset = models.Event.objects.filter(start__lt=timezone.now(),
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photo_count__gt=0)
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paginate_by = 12
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class EventListIcal(generic.View):
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"""
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Generates an returns an iCal File with all upcoming events.
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"""
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def add_event(self, event):
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ics_event = Event()
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dtstart = timezone.localtime(event.start)
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dtend = timezone.localtime(event.end)
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ics_event.add('DTSTART', dtstart)
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ics_event.add('SUMMARY', event.name)
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ics_event.add('DESCRIPTION', event.description)
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ics_event.add('LOCATION', event.location.address)
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ics_event.add('URL', 'http://www.kasu.at' + event.get_absolute_url())
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ics_event['UID'] = 'event-%d@www.kasu.at' % event.pk
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ics_event.add('PRIORITY', 5)
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if event.end:
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ics_event.add('DTEND', dtend)
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self.calendar.add_component(ics_event)
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def get(self, request, *args, **kwargs):
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response = HttpResponse(mimetype="text/calendar; charset=UTF-8")
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self.calendar = Calendar()
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self.calendar.add('prodid', 'http://www.kasu.at/')
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self.calendar.add('version', '2.0')
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for event in models.Event.objects.upcoming(limit=None):
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self.add_event(event)
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response.write(self.calendar.to_ical())
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return response
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class EventPhoto(generic.UpdateView):
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form_class = forms.EditPhotoForm
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model = models.Photo
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template_name = 'events/photo_detail.html'
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def get_context_data(self, **kwargs):
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context = super(EventPhoto, self).get_context_data()
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event = models.Event.objects.get(id=self.kwargs['event'])
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context['event'] = event
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return context
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def post(self, request, *args, **kwargs):
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if request.POST.get('rotate') and request.user.has_perm(
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'events.change_photo'):
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photo = models.Photo.objects.get(pk=kwargs['pk'])
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photo.rotate(request.POST['rotate'])
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# return redirect(photo.get_absolute_url())
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return self.get(request)
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else:
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return generic.UpdateView.post(self, request, *args, **kwargs)
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class EventPhotoList(generic.ListView):
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context_object_name = 'photo_list'
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paginate_by = 36
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def get_context_data(self, **kwargs):
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context = generic.ListView.get_context_data(self, **kwargs)
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context['event'] = self.event
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context['form'] = forms.PhotoUploadForm(
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initial={'event': self.event, 'photographer': self.request.user})
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return context
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def get_queryset(self):
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try:
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self.event = models.Event.objects.get(id=self.kwargs['event'])
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return models.Photo.objects.filter(event=self.event)
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except models.Event.DoesNotExist:
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raise Http404(_('Event does not exist'))
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class EventPhotoUpload(generic.FormView):
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form_class = forms.PhotoUploadForm
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template_name = 'events/photo_upload.html'
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@method_decorator(permission_required('events.add_photo'))
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def dispatch(self, *args, **kwargs):
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return super(EventPhotoUpload, self).dispatch(*args, **kwargs)
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def get_context_data(self, **kwargs):
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context = generic.FormView.get_context_data(self, **kwargs)
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context['event_list'] = models.Event.objects.archive()[:12]
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return context
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def get_initial(self):
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"""
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Set the current logged in user a default value for the photographer.
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"""
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return {
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'photographer': self.request.user,
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}
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def post(self, *args, **kwargs):
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"""
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"""
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self.event = models.Event.objects.get(
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id=self.request.REQUEST.get('event'))
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photographer = self.request.POST.get('photographer',
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self.request.user.id)
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photographer = get_user_model().objects.get(id=photographer)
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self.counter = 1
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for upload in self.request.FILES.getlist('upload'):
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name = upload.name
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created_date, description = self.read_exif(upload)
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photo = models.Photo(
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event=self.event,
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photographer=photographer,
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image=upload,
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name=name,
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created_date=created_date,
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description=description
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)
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photo.save()
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self.counter += 1
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return redirect('event-photo-list', event=self.event.id)
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def read_exif(self, photo):
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exif_data = pyexiv2.ImageMetadata.from_buffer(photo.read())
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exif_data.read()
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try:
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created_date = exif_data['Exif.Image.DateTime'].value
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except:
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created_date = self.event.start + timedelta(minutes=self.counter)
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try:
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description = exif_data['Exif.Image.ImageDescription'].value
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except:
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description = ''
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return created_date, description
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class UpcomingEvents(generic.ListView):
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queryset = models.Event.objects.upcoming(limit=None)
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paginate_by = 16
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