Some Django views samples

@ajax_view
def search_exhibition_tags_ajax(request):

    query = get_parameter_or_ajax_error(request.GET, 'query')

    return {
        'targets': [{
            'value': tag.pk,
            'text': tag.name
        } for tag in models.Tag.objects.filter(name__icontains=query)]
    }


def activate_account(request, token):
    user = get_object_or_404(UserWif, confirmation_token=token)
    user.is_active = True
    user.confirmation_token = ''
    user.save()

    messages.success(request, _(u"Thanks for joining WhereInFair! "
                                u"Your profile was activated successfully. "
                                u"Now you can log in using your email and your password"))

    return redirect('home')


@user_passes_test(lambda u: u.is_staff)
def cms_add_company(request, inline=False):
    form = CompanyForm(request.POST or None, request.FILES or None)
    if request.method == 'POST':
        if form.is_valid():
            form.save()
            return redirect('cms_close_window' if inline else 'cms_companies')

    return render(request, 'company/cms_company_form.html', {
        'form': form,
        'form_title': form.create_title,
        'inline': inline,
    })


@user_passes_test(lambda u: u.is_staff)
def add_exhibition(request):

    ExhibitionContactFormSet = inlineformset_factory(models.Exhibition,
                                                     models.ExhibitionContact,
                                                     extra=1,
                                                     can_delete=False)

    ExhibitionPhotoFormSet = inlineformset_factory(models.Exhibition,
                                                   models.ExhibitionPhoto,
                                                   fields=["image"],
                                                   extra=1,
                                                   can_delete=False)

    ExhibitionVideoFormSet = inlineformset_factory(models.Exhibition,
                                                   models.ExhibitionVideo,
                                                   fields=["title", "youtube_url"],
                                                   extra=1,
                                                   can_delete=False)

    ExhibitionPresentationFormSet = inlineformset_factory(models.Exhibition,
                                                          models.ExhibitionPresentation,
                                                          extra=1,
                                                          can_delete=False)

    ExhibitionStatisticsFormSet = inlineformset_factory(models.Exhibition,
                                                        models.ExhibitionStatistics,
                                                        form=forms.ExhibitionStatisticsForm,
                                                        extra=3,
                                                        can_delete=False)


    OrganizationsFormSet = inlineformset_factory(models.Exhibition,
                                                 models.Exhibition.organizations.through,
                                                 form=ChooseOrganizationForm,
                                                 formset=BaseChooseOrganizationFormSet,
                                                 can_delete=True,
                                                 fields=['organization', 'country', 'city',
                                                         'organization_select', 'city_select'],
                                                 extra=1)

    if request.method == 'POST':
        exhibition_form = forms.AdminSiteExhibitionForm(request.POST, request.FILES)
        contact_formset = ExhibitionContactFormSet(request.POST, request.FILES)
        photo_formset = ExhibitionPhotoFormSet(request.POST, request.FILES)
        video_formset = ExhibitionVideoFormSet(request.POST, request.FILES)
        presentation_formset = ExhibitionPresentationFormSet(request.POST, request.FILES)
        statistics_formset = ExhibitionStatisticsFormSet(request.POST, request.FILES)
        organizations_formset = OrganizationsFormSet(request.POST, request.FILES, prefix='Exhibition_organizations')

        if (exhibition_form.is_valid()
                and contact_formset.is_valid()
                and photo_formset.is_valid()
                and video_formset.is_valid()
                and presentation_formset.is_valid()
                and statistics_formset.is_valid()
                and organizations_formset.is_valid()):

            exhibition = exhibition_form.save(creator=request.user)

            for contact in contact_formset.save(commit=False):
                contact.exhibition = exhibition
                contact.save()

            for photo in photo_formset.save(commit=False):
                photo.exhibition = exhibition
                photo.save()

            for video in video_formset.save(commit=False):
                video.exhibition = exhibition
                video.save()

            for presentation in presentation_formset.save(commit=False):
                presentation.exhibition = exhibition
                presentation.save()

            for statistics in statistics_formset.save(commit=False):
                statistics.exhibition = exhibition
                statistics.save()

            for organization_exhibition in organizations_formset.save(commit=False):
                organization_exhibition.exhibition = exhibition
                organization_exhibition.save()

            action = request.POST.get('action', None)
            if action in ('create-new', 'save-and-continue'):
                msg = _('A new exhibition named "%s" was successfully created') % exhibition.name
                messages.success(request, msg)
                if action == 'save-and-continue':
                    return redirect('cms_edit_exhibition', exhibition.id)
                if action == 'create-new':
                    return redirect('cms_add_exhibition')

            return redirect('cms_exhibitions_dashboard')

    else:
        exhibition_form = forms.AdminSiteExhibitionForm()
        contact_formset = ExhibitionContactFormSet()
        photo_formset = ExhibitionPhotoFormSet()
        video_formset = ExhibitionVideoFormSet()
        presentation_formset = ExhibitionPresentationFormSet()
        statistics_formset = ExhibitionStatisticsFormSet()
        organizations_formset = OrganizationsFormSet(prefix='Exhibition_organizations')

    return render(request, 'exhibition/cms_exhibition_form.html', {
        'form': exhibition_form,
        'formset': contact_formset,
        'photo_formset': photo_formset,
        'video_formset': video_formset,
        'presentation_formset': presentation_formset,
        'statistics_formset': statistics_formset,
        'organizations_formset': organizations_formset,
        'form_title': exhibition_form.create_title,
    })