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venv/Lib/site-packages/django/contrib/flatpages/views.py

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+from django.conf import settings
+from django.contrib.flatpages.models import FlatPage
+from django.contrib.sites.shortcuts import get_current_site
+from django.http import Http404, HttpResponse, HttpResponsePermanentRedirect
+from django.shortcuts import get_object_or_404
+from django.template import loader
+from django.utils.safestring import mark_safe
+from django.views.decorators.csrf import csrf_protect
+
+DEFAULT_TEMPLATE = 'flatpages/default.html'
+
+# This view is called from FlatpageFallbackMiddleware.process_response
+# when a 404 is raised, which often means CsrfViewMiddleware.process_view
+# has not been called even if CsrfViewMiddleware is installed. So we need
+# to use @csrf_protect, in case the template needs {% csrf_token %}.
+# However, we can't just wrap this view; if no matching flatpage exists,
+# or a redirect is required for authentication, the 404 needs to be returned
+# without any CSRF checks. Therefore, we only
+# CSRF protect the internal implementation.
+
+
+def flatpage(request, url):
+    """
+    Public interface to the flat page view.
+
+    Models: `flatpages.flatpages`
+    Templates: Uses the template defined by the ``template_name`` field,
+        or :template:`flatpages/default.html` if template_name is not defined.
+    Context:
+        flatpage
+            `flatpages.flatpages` object
+    """
+    if not url.startswith('/'):
+        url = '/' + url
+    site_id = get_current_site(request).id
+    try:
+        f = get_object_or_404(FlatPage, url=url, sites=site_id)
+    except Http404:
+        if not url.endswith('/') and settings.APPEND_SLASH:
+            url += '/'
+            f = get_object_or_404(FlatPage, url=url, sites=site_id)
+            return HttpResponsePermanentRedirect('%s/' % request.path)
+        else:
+            raise
+    return render_flatpage(request, f)
+
+
+@csrf_protect
+def render_flatpage(request, f):
+    """
+    Internal interface to the flat page view.
+    """
+    # If registration is required for accessing this page, and the user isn't
+    # logged in, redirect to the login page.
+    if f.registration_required and not request.user.is_authenticated:
+        from django.contrib.auth.views import redirect_to_login
+        return redirect_to_login(request.path)
+    if f.template_name:
+        template = loader.select_template((f.template_name, DEFAULT_TEMPLATE))
+    else:
+        template = loader.get_template(DEFAULT_TEMPLATE)
+
+    # To avoid having to always use the "|safe" filter in flatpage templates,
+    # mark the title and content as already safe (since they are raw HTML
+    # content in the first place).
+    f.title = mark_safe(f.title)
+    f.content = mark_safe(f.content)
+
+    return HttpResponse(template.render({'flatpage': f}, request))