Anpassungen für das Hosting bei Djangoeurope und damit verbundenen Versionen Django 1.8 und Python 2.7

src/gallery/views.py

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+# -*- encoding: utf-8 -*-
+# Create your views here.
+from datetime import timedelta
+
+from django.contrib.auth.decorators import permission_required
+from django.contrib.auth import get_user_model
+from django.core.urlresolvers import reverse
+from django.http import Http404
+from django.shortcuts import redirect
+from django.utils import timezone
+from django.utils.decorators import method_decorator
+from django.utils.translation import ugettext as _
+from django.views import generic
+import pyexiv2
+
+from events.models import Event
+from .models import Photo
+from . import forms
+
+
+class DeleteEventPhoto(generic.DeleteView):
+    model = Photo
+
+    def get_success_url(self):
+        return reverse('event-photo-list', args=[self.object.event.id])
+
+    def get_context_data(self, **kwargs):
+        context = super(DeleteEventPhoto, self).get_context_data()
+        context['event'] = self.object.event
+        return context
+
+    @method_decorator(permission_required('events.delete_photo'))
+    def dispatch(self, *args, **kwargs):
+        return super(DeleteEventPhoto, self).dispatch(*args, **kwargs)
+
+
+class EventGallery(generic.ListView):
+    template_name = 'gallery/photo_gallery.html'
+    queryset = Event.objects.filter(start__lt=timezone.now(), photo_count__gt=0)
+    paginate_by = 12
+
+
+class EventPhoto(generic.UpdateView):
+    form_class = forms.EditPhotoForm
+    model = Photo
+    template_name = 'gallery/photo_detail.html'
+
+    def get_context_data(self, **kwargs):
+        context = super(EventPhoto, self).get_context_data()
+        context['event'] = self.object.event
+        return context
+
+    def post(self, request, *args, **kwargs):
+        if request.POST.get('rotate') and request.user.has_perm(
+                'events.change_photo'):
+            photo = Photo.objects.get(pk=kwargs['pk'])
+            photo.rotate(request.POST['rotate'])
+            # return redirect(photo.get_absolute_url())
+            return self.get(request)
+        else:
+            return generic.UpdateView.post(self, request, *args, **kwargs)
+
+
+class EventPhotoList(generic.ListView):
+    context_object_name = 'photo_list'
+    paginate_by = 36
+
+    def get_context_data(self, **kwargs):
+        context = generic.ListView.get_context_data(self, **kwargs)
+        context['event'] = self.event
+        context['form'] = forms.PhotoUploadForm(
+            initial={'event': self.event, 'photographer': self.request.user})
+        return context
+
+    def get_queryset(self):
+        try:
+            self.event = Event.objects.get(id=self.kwargs['event'])
+            return Photo.objects.filter(event=self.event)
+        except Event.DoesNotExist:
+            raise Http404(_('Event does not exist'))
+
+
+class EventPhotoUpload(generic.FormView):
+    form_class = forms.PhotoUploadForm
+    template_name = 'gallery/photo_upload.html'
+
+    @method_decorator(permission_required('events.add_photo'))
+    def dispatch(self, *args, **kwargs):
+        return super(EventPhotoUpload, self).dispatch(*args, **kwargs)
+
+    def get_context_data(self, **kwargs):
+        context = generic.FormView.get_context_data(self, **kwargs)
+        context['event_list'] = Event.objects.archive()[:12]
+        return context
+
+    def get_initial(self):
+        """
+        Set the current logged in user a default value for the photographer.
+        """
+        return {
+            'photographer': self.request.user,
+        }
+
+    def post(self, *args, **kwargs):
+        """
+
+        """
+        self.event = Event.objects.get(
+            id=self.request.REQUEST.get('event'))
+        photographer = self.request.POST.get('photographer',
+                                             self.request.user.id)
+        photographer = get_user_model().objects.get(id=photographer)
+        self.counter = 1
+        for upload in self.request.FILES.getlist('upload'):
+            name = upload.name
+            created_date, description = self.read_exif(upload)
+            photo = Photo(
+                event=self.event,
+                photographer=photographer,
+                image=upload,
+                name=name,
+                created_date=created_date,
+                description=description
+            )
+            photo.save()
+            self.counter += 1
+        return redirect('event-photo-list', event=self.event.id)
+
+    def read_exif(self, photo):
+        exif_data = pyexiv2.ImageMetadata.from_buffer(photo.read())
+        exif_data.read()
+
+        try:
+            created_date = exif_data['Exif.Image.DateTime'].value
+        except:
+            created_date = self.event.start + timedelta(minutes=self.counter)
+        try:
+            description = exif_data['Exif.Image.ImageDescription'].value
+        except:
+            description = ''
+        return created_date, description
+