Added a setting where the exported excel files should be stored.

Added a option to send the exported excel as mail attachment.

src/content/models.py

@@ -3,7 +3,7 @@ from ckeditor_uploader.fields import RichTextUploadingField
 from django.conf import settings
 from django.core.cache import cache
 from django.core.exceptions import ValidationError
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.db import models
 from django.template.defaultfilters import slugify
 from django.utils import timezone
@@ -262,7 +262,7 @@ class Page(models.Model):
     def content(self):
         """Return the localized content, fallback to german if necessary."""
         return mark_safe(
-            getattr(self, "content_%s" % get_language(), self.content_de)
+            getattr(self, "content_%s" % get_language()) or self.content_de
         )
 
     @property
@@ -275,13 +275,12 @@ class Page(models.Model):
     @property
     def description(self):
         """Return the localized description, fallback to german if necessary."""
-        return getattr(self, "description_%s" % get_language(),
-                       self.description_de)
+        return getattr(self, "description_%s" % get_language()) or self.description_de
 
     @property
     def menu_name(self):
         """Return the localized menu name, fallback to german if necessary."""
-        return getattr(self, "menu_name_%s" % get_language(), self.menu_name_de)
+        return getattr(self, "menu_name_%s" % get_language()) or self.menu_name_de
 
     @property
     def pdf_file(self):
@@ -291,7 +290,7 @@ class Page(models.Model):
     @property
     def title(self):
         """Return the localized title, fallback to german if necessary."""
-        return getattr(self, "title_%s" % get_language(), self.title_de)
+        return getattr(self, "title_%s" % get_language()) or self.title_de
 
     def clean(self):
         """set the URL path, the right content type, and scrub the HTML code."""