Use pinax-pages instead
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Patrick Altman
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Content Management
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==================
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The content management system allows organizers to create pages and page
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sections for a conference. You may want to have an entire page about a job
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fair, or may only want to have an editable section at the top of a tutorial
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schedule with some instructions for all of the tutorial attendees.
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CMS App
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-------
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The ``cms`` app provides functionality for creating wiki pages. These pages can
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be created using the django admin. The django admin form has controls for
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specifying:
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* title
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* markup content
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* url path
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* tags
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* public or draft mode
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* publication date
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Page content and title can also be edited directly at the url. The ``cms`` app
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uses the `django-reversion <http://django-reversion.readthedocs.org>`_ package,
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thus content is version controlled.
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# @@@ Consider replacing with pinax-wiki [1]
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default_app_config = "symposion.cms.apps.CMSConfig"
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from django.contrib import admin
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import reversion
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from .models import Page
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class PageAdmin(reversion.VersionAdmin):
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pass
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admin.site.register(Page, PageAdmin)
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from django.apps import AppConfig
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class CMSConfig(AppConfig):
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name = "symposion.cms"
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label = "symposion_cms"
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verbose_name = "Symposion CMS"
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from django import forms
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from markitup.widgets import MarkItUpWidget
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from .models import Page
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class PageForm(forms.ModelForm):
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class Meta:
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model = Page
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fields = ["title", "body", "path"]
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widgets = {
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"body": MarkItUpWidget(),
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"path": forms.HiddenInput(),
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}
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class FileUploadForm(forms.Form):
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file = forms.FileField()
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from django.utils import timezone
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from django.db import models
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class PublishedPageManager(models.Manager):
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def get_queryset(self):
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qs = super(PublishedPageManager, self).get_queryset()
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return qs.filter(publish_date__lte=timezone.now())
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import datetime
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import os
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import re
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from django.conf import settings
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from django.core.urlresolvers import reverse
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from django.core.exceptions import ValidationError
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from django.db import models
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from django.utils.encoding import python_2_unicode_compatible
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from django.utils.translation import ugettext_lazy as _
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from markitup.fields import MarkupField
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from taggit.managers import TaggableManager
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import reversion
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from .managers import PublishedPageManager
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@python_2_unicode_compatible
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class Page(models.Model):
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STATUS_CHOICES = (
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(1, _("Draft")),
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(2, _("Public")),
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)
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title = models.CharField(max_length=100)
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path = models.CharField(max_length=100, unique=True)
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body = MarkupField()
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status = models.IntegerField(choices=STATUS_CHOICES, default=2)
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publish_date = models.DateTimeField(default=datetime.datetime.now)
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created = models.DateTimeField(editable=False, default=datetime.datetime.now)
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updated = models.DateTimeField(editable=False, default=datetime.datetime.now)
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tags = TaggableManager(blank=True)
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published = PublishedPageManager()
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def __str__(self):
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return self.title
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class Meta:
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verbose_name = _("page")
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verbose_name_plural = _("pages")
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@models.permalink
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def get_absolute_url(self):
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return ("cms_page", [self.path])
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@property
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def is_community(self):
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return self.path.lower().startswith("community/")
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def save(self, *args, **kwargs):
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self.updated = datetime.datetime.now()
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super(Page, self).save(*args, **kwargs)
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def clean_fields(self, exclude=None):
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super(Page, self).clean_fields(exclude)
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if not re.match(settings.SYMPOSION_PAGE_REGEX, self.path):
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raise ValidationError(
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{"path": [_("Path can only contain letters, numbers and hyphens and end with /")]})
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reversion.register(Page)
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def generate_filename(instance, filename):
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return filename
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class File(models.Model):
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file = models.FileField(upload_to=generate_filename)
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created = models.DateTimeField(default=datetime.datetime.now)
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def download_url(self):
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return reverse("file_download", args=[self.pk, os.path.basename(self.file.name).lower()])
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from django.conf.urls import url, patterns
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PAGE_RE = r"(([\w-]{1,})(/[\w-]{1,})*)/"
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urlpatterns = patterns(
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"symposion.cms.views",
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url(r"^files/$", "file_index", name="file_index"),
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url(r"^files/create/$", "file_create", name="file_create"),
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url(r"^files/(\d+)/([^/]+)$", "file_download", name="file_download"),
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url(r"^files/(\d+)/delete/$", "file_delete", name="file_delete"),
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url(r"^(?P<path>%s)_edit/$" % PAGE_RE, "page_edit", name="cms_page_edit"),
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url(r"^(?P<path>%s)$" % PAGE_RE, "page", name="cms_page"),
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)
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from django.conf import settings
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from django.db import transaction
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from django.http import Http404, HttpResponse
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from django.shortcuts import render, redirect, get_object_or_404
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from django.views import static
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from django.contrib.auth.decorators import login_required
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from .models import Page, File
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from .forms import PageForm, FileUploadForm
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def can_edit(page, user):
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if page and page.is_community:
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return True
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else:
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return user.has_perm("cms.change_page")
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def can_upload(user):
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if user.is_staff or user.is_superuser:
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return True
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return False
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def page(request, path):
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try:
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page = Page.published.get(path=path)
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except Page.DoesNotExist:
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page = None
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editable = can_edit(page, request.user)
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if page is None:
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if editable:
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return redirect("cms_page_edit", path=path)
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else:
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raise Http404
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return render(request, "cms/page_detail.html", {
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"page": page,
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"editable": editable,
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})
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@login_required
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def page_edit(request, path):
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try:
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page = Page.published.get(path=path)
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except Page.DoesNotExist:
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page = None
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if not can_edit(page, request.user):
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raise Http404
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if request.method == "POST":
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form = PageForm(request.POST, instance=page)
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if form.is_valid():
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page = form.save(commit=False)
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page.path = path
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page.save()
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return redirect(page)
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else:
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print form.errors
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else:
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form = PageForm(instance=page, initial={"path": path})
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return render(request, "cms/page_edit.html", {
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"path": path,
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"form": form
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})
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def file_index(request):
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if not can_upload(request.user):
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raise Http404
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ctx = {
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"files": File.objects.all(),
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}
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return render(request, "cms/file_index.html", ctx)
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def file_create(request):
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if not can_upload(request.user):
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raise Http404
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if request.method == "POST":
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form = FileUploadForm(request.POST, request.FILES)
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if form.is_valid():
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with transaction.commit_on_success():
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kwargs = {
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"file": form.cleaned_data["file"],
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}
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File.objects.create(**kwargs)
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return redirect("file_index")
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else:
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form = FileUploadForm()
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ctx = {
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"form": form,
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}
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return render(request, "cms/file_create.html", ctx)
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def file_download(request, pk, *args):
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file = get_object_or_404(File, pk=pk)
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if getattr(settings, "USE_X_ACCEL_REDIRECT", False):
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response = HttpResponse()
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response["X-Accel-Redirect"] = file.file.url
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# delete content-type to allow Gondor to determine the filetype and
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# we definitely don't want Django's default :-)
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del response["content-type"]
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else:
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response = static.serve(request, file.file.name, document_root=settings.MEDIA_ROOT)
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return response
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def file_delete(request, pk):
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if not can_upload(request.user):
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raise Http404
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file = get_object_or_404(File, pk=pk)
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if request.method == "POST":
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file.delete()
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# @@@ message
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return redirect("file_index")
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