Another Step in the Quest to clean up the code base.
This commit is contained in:
@@ -1,5 +1,5 @@
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# -*- coding: utf-8 -*-
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from ckeditor.fields import RichTextField
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""" Django Models for a lightwight Content Management."""
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from ckeditor_uploader.fields import RichTextUploadingField
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from django.conf import settings
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from django.core.cache import cache
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from django.core.exceptions import ValidationError
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@@ -12,23 +12,29 @@ from django.utils.translation import get_language, ugettext as _
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from utils import STATUS_CHOICES, STATUS_WAITING, STATUS_PUBLISHED, CLEANER
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DJANGO_VIEW = 0
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HTML_PAGE = 1
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PDF_PAGE = 2
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CONTENT_CHOICES = (
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(0, u'Django View'),
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(1, u'HTML'),
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(2, u'PDF')
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(DJANGO_VIEW, u'Django View'),
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(HTML_PAGE, u'HTML'),
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(PDF_PAGE, u'PDF')
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)
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CONTENT_TYPE_EXTENSIONS = {
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DJANGO_VIEW: "/",
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HTML_PAGE: ".html",
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PDF_PAGE: ".pdf"
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}
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def get_upload_path(instance, filename):
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"""
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Generates the desired file path and filename for an uploaded Image.
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"""Generates the desired file path and filename for an uploaded Image.
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With this function Django can save the uploaded images to subfolders that
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also have a meaning for humans.
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@param instance: an Django Object for which the Image has been uploaded.
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@type instance: a instace of an models.Model sub-class.
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@param filename: The filename of the uploaded image.
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@type filename: String
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:param instance: an Django Object for which the Image has been uploaded.
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:param filename: The filename of the uploaded image.
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:return: relative path and filename for the image on the server.
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"""
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extension = filename[filename.rfind('.') + 1:]
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if isinstance(instance, Category):
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@@ -36,11 +42,20 @@ def get_upload_path(instance, filename):
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class ArticleManager(models.Manager):
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"""Adds some predifined querys and joins some tables for faster querys."""
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def get_queryset(self):
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"""Join the author and category to the default query for more
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perfomance.
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:return: QuerySet"""
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return super(ArticleManager, self).get_queryset().select_related(
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'author', 'category')
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def published(self):
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"""Return articles that has been published by now.
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:return: QuerySet"""
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return self.filter(
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status=STATUS_PUBLISHED,
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date_created__lte=timezone.now()
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@@ -48,10 +63,12 @@ class ArticleManager(models.Manager):
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class Article(models.Model):
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"""A news article, simmilar to an blog entry, it can be in german and
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english."""
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headline_de = models.CharField(_('Headline'), max_length=255)
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headline_en = models.CharField('Headline', max_length=255, blank=True)
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content_de = RichTextField(_('Content'))
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content_en = RichTextField('Content', blank=True)
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content_de = RichTextUploadingField(_('Content'))
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content_en = RichTextUploadingField('Content', blank=True)
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category = models.ForeignKey('Category', verbose_name=_('Category'))
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image = models.ImageField(_('Image'), upload_to='news/',
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blank=True, null=True)
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@@ -65,11 +82,13 @@ class Article(models.Model):
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objects = ArticleManager()
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class Meta(object):
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"""Sort them by creation date, newes articles first."""
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verbose_name = _('Article')
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verbose_name_plural = _('Articles')
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ordering = ('-date_created',)
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def clean(self):
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"""Give the article an slug and scrub the html code."""
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if not self.date_created:
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self.date_created = timezone.now()
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if not self.slug:
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@@ -78,48 +97,78 @@ class Article(models.Model):
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self.content_en = CLEANER.clean_html(self.content_en)
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def __str__(self):
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"""Returns the headline of this article."""
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return self.headline
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@property
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def get_image(self):
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if self.image:
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return self.image
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else:
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return self.category.image
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"""Return the article image, or the category image if unset."""
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return self.image if self.image else self.category.image
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def get_absolute_url(self):
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kwargs = {
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'year': self.date_created.strftime('%Y'),
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'month': self.date_created.strftime('%m'),
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'slug': self.slug,
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}
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return reverse('show-article', kwargs=kwargs)
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"""return the absolute URL for this article."""
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return reverse('show-article',
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kwargs={'year': self.date_created.strftime('%Y'),
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'month': self.date_created.strftime('%m'),
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'slug': self.slug})
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@property
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def headline(self):
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headline = getattr(self, "headline_%s" % get_language())
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if not headline:
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return mark_safe(self.headline_de)
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else:
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return mark_safe(headline)
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"""Return the localized headline, fallback to german if necessary."""
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return mark_safe(
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getattr(self, "headline_%s" % get_language(), self.headline_de)
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)
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@property
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def content(self):
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content = getattr(self, "content_%s" % get_language(), self.content_de)
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if not content:
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return mark_safe(self.content_de)
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else:
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return mark_safe(content)
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"""Return the localized content, fallback to german if necessary."""
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return mark_safe(
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getattr(self, "content_%s" % get_language(), self.content_de)
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)
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class Category(models.Model):
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"""A news category, articles will be assicuated with it."""
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name_de = models.CharField(_('Name'), max_length=80)
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name_en = models.CharField(_('Name'), max_length=80, blank=True)
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description_de = models.TextField(_('Description'))
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description_en = models.TextField(_('Description'), blank=True)
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image = models.ImageField(_('Image'), upload_to='news/categories/',
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blank=True, null=True)
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slug = models.SlugField(_('Slug'), unique=True, db_index=True)
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class Meta(object):
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"""Set default the ordering."""
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ordering = ('slug',)
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verbose_name = _('Category')
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verbose_name_plural = _('Categories')
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@property
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def name(self):
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"""Return the localized name, fallback to german if necessary."""
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return getattr(self, "name_%s" % get_language(), self.name_de)
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@property
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def description(self):
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"""Return the localized description, fallback to german if necessary."""
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return getattr(self, "description_%s" % get_language(),
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self.description_de)
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def get_absolute_url(self):
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"""Return the URL of the article archive, filtered on this category."""
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return reverse('article-archive', kwargs={'category': self.slug})
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def __str__(self):
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"""Return the localized name, fallback to german if necessary."""
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return self.name
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class Page(models.Model):
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"""
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Eine Seite auf der Homepage. Sie kann eine "statische" HTML Seite,
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die URL einer dynamische Django View, oder ein PDF Dokument sein.
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Jede Seite kann neben Deutsch auch auf Englisch angeboten werden.
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Ist keine englische Übersetzung vorhanden, wird die deutsche Version
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angeboten.
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"""
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"""A page on this homepage. It can have a "static" HTML page, the URL of a
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dynamic Django view, or a PDF document.
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Each page can be offered in German and English. If no English translation
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is available, the German version will be displayed."""
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menu_name_de = models.CharField(
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max_length=255,
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@@ -180,8 +229,8 @@ class Page(models.Model):
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content_type = models.IntegerField(
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choices=CONTENT_CHOICES,
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verbose_name=_('content type'))
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content_de = RichTextField('Inhalt', blank=True)
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content_en = RichTextField('Content', blank=True)
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content_de = RichTextUploadingField('Inhalt', blank=True)
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content_en = RichTextUploadingField('Content', blank=True)
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enable_comments = models.BooleanField(
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default=True,
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verbose_name=_('enable comments')
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@@ -206,43 +255,46 @@ class Page(models.Model):
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)
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def __str__(self):
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return u'%s' % self.title
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"""Return the localized title, fallback to german if necessary."""
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return self.title
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@property
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def content(self):
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cont = getattr(self, "content_%s" % get_language()) or self.content_de
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return mark_safe(cont)
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"""Return the localized content, fallback to german if necessary."""
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return mark_safe(
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getattr(self, "content_%s" % get_language(), self.content_de)
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)
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@property
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def css_class(self):
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"""Returns the name of the content typ of this page as a CSS class.
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This allows easy styling of page links, depending on the content type.
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"""
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return CONTENT_CHOICES[self.content_type][1].lower().replace(' ', '_')
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@property
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def description(self):
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lang_attr = "description_%s" % get_language()
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return getattr(self, lang_attr, self.description_de)
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"""Return the localized description, fallback to german if necessary."""
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return getattr(self, "description_%s" % get_language(),
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self.description_de)
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@property
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def menu_name(self):
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lang_attr = "menu_name_%s" % get_language()
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return getattr(self, lang_attr, self.menu_name_de)
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"""Return the localized menu name, fallback to german if necessary."""
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return getattr(self, "menu_name_%s" % get_language(), self.menu_name_de)
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@property
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def pdf_file(self):
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lang_attr = "pdf_%s" % get_language()
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return getattr(self, lang_attr, self.pdf_de)
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"""Return the localized PDF file, fallback to german if necessary."""
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return getattr(self, "pdf_%s" % get_language(), self.pdf_de)
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@property
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def title(self):
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""" Return the translated title if available """
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lang_attr = "title_%s" % get_language()
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return getattr(self, lang_attr, self.title_de)
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"""Return the localized title, fallback to german if necessary."""
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return getattr(self, "title_%s" % get_language(), self.title_de)
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def clean(self):
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"""
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:return:
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"""
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"""set the URL path, the right content type, and scrub the HTML code."""
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if self.parent is None:
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self.path = self.slug
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else:
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@@ -251,7 +303,7 @@ class Page(models.Model):
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if self.content_type is None:
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if self.pdf_de:
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self.content_type = 2
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if self.content_de:
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elif self.content_de:
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self.content_type = 1
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else:
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self.content_type = 0
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@@ -263,53 +315,23 @@ class Page(models.Model):
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_(u'Please upload a PDF-File to this PDF-Page.'))
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def get_absolute_url(self):
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aboslute_url = '/' + self.path
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if self.content_type == 1:
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aboslute_url += '.html'
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elif self.content_type == 2:
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aboslute_url += '.pdf'
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else:
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aboslute_url += '/'
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return aboslute_url
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"""Return the path with an extension that matches the content type.
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It's useful for an user to match the URL to the contenttype.
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:return: sting with the absolute URL of this page."""
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return '/' + self.path + CONTENT_TYPE_EXTENSIONS[self.content_type]
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class Meta(object):
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"""Set default ordering and an unique priamry key to avoid dupes."""
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ordering = ['parent__id', 'position']
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unique_together = (('slug', 'parent'),)
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verbose_name = _('Page')
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verbose_name_plural = _('Pages')
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class Category(models.Model):
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name_de = models.CharField(_('Name'), max_length=80)
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name_en = models.CharField(_('Name'), max_length=80, blank=True)
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description_de = models.TextField(_('Description'))
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description_en = models.TextField(_('Description'), blank=True)
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image = models.ImageField(_('Image'), upload_to='news/categories/',
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blank=True, null=True)
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slug = models.SlugField(_('Slug'), unique=True, db_index=True)
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class Meta(object):
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ordering = ('slug',)
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verbose_name = _('Category')
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verbose_name_plural = _('Categories')
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@property
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def name(self):
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return getattr(self, "name_%s" % get_language(), self.name_de)
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@property
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def description(self):
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return getattr(self, "description_%s" % get_language(),
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self.description_de)
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def get_absolute_url(self):
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return reverse('article-archive', kwargs={'category': self.slug})
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def __str__(self):
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return self.name
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def force_cache_update(sender, instance, **kwargs):
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def force_cache_update(sender, instance, **kwargs): # Ignore PyLintBear (W0613)
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"""A Django signal to trigger the save() method on all subpages to catch
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possible URL changes and invalidate the cache."""
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for page in instance.subpages.all():
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page.clean()
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page.save()
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