old_contents: from django import template
  
  from biblion.models import Post
  from biblion.settings import ALL_SECTION_NAME, SECTIONS
  
  
  register = template.Library()
  
  
  class LatestBlogPostsNode(template.Node):
  
      def __init__(self, context_var):
          self.context_var = context_var
  
      def render(self, context):
          latest_posts = Post.objects.current()[:5]
          context[self.context_var] = latest_posts
          return ""
  
  
  @register.tag
  def latest_blog_posts(parser, token):
      bits = token.split_contents()
      return LatestBlogPostsNode(bits[2])
  
  
  class LatestBlogPostNode(template.Node):
  
      def __init__(self, context_var):
          self.context_var = context_var
  
      def render(self, context):
          try:
              latest_post = Post.objects.current()[0]
          except IndexError:
              latest_post = None
          context[self.context_var] = latest_post
          return u""
  
  
  @register.tag
  def latest_blog_post(parser, token):
      bits = token.split_contents()
      return LatestBlogPostNode(bits[2])
  
  
  class LatestSectionPostNode(template.Node):
  
      def __init__(self, section, context_var):
          self.section = template.Variable(section)
          self.context_var = context_var
  
      def render(self, context):
          section = self.section.resolve(context)
          post = Post.objects.section(section, queryset=Post.objects.current())
          try:
              post = post[0]
          except IndexError:
              post = None
          context[self.context_var] = post
          return u""
  
  
  @register.tag
  def latest_section_post(parser, token):
      """
          {% latest_section_post "articles" as latest_article_post %}
      """
      bits = token.split_contents()
      return LatestSectionPostNode(bits[1], bits[3])
  
  
  class BlogSectionsNode(template.Node):
  
      def __init__(self, context_var):
          self.context_var = context_var
  
      def render(self, context):
          sections = [(ALL_SECTION_NAME, "All")] + SECTIONS
          context[self.context_var] = sections
          return u""
  
  
  @register.tag
  def blog_sections(parser, token):
      """
          {% blog_sections as blog_sections %}
      """
      bits = token.split_contents()
      return BlogSectionsNode(bits[2])
  
new_contents: from django import template
  
  from biblion.models import Post
  from biblion.settings import ALL_SECTION_NAME, SECTIONS
  
  
  register = template.Library()
  
  
  class LatestBlogPostsNode(template.Node):
  
      def __init__(self, context_var):
          self.context_var = context_var
  
      def render(self, context):
          latest_posts = Post.objects.current()[:5]
          context[self.context_var] = latest_posts
          return ""
  
  
  @register.tag
  def latest_blog_posts(parser, token):
      bits = token.split_contents()
      return LatestBlogPostsNode(bits[2])
  
  
  class LatestBlogPostNode(template.Node):
  
      def __init__(self, context_var):
          self.context_var = context_var
  
      def render(self, context):
          try:
              latest_post = Post.objects.current()[0]
          except IndexError:
              latest_post = None
          context[self.context_var] = latest_post
          return ""
  
  
  @register.tag
  def latest_blog_post(parser, token):
      bits = token.split_contents()
      return LatestBlogPostNode(bits[2])
  
  
  class LatestSectionPostNode(template.Node):
  
      def __init__(self, section, context_var):
          self.section = template.Variable(section)
          self.context_var = context_var
  
      def render(self, context):
          section = self.section.resolve(context)
          post = Post.objects.section(section, queryset=Post.objects.current())
          try:
              post = post[0]
          except IndexError:
              post = None
          context[self.context_var] = post
          return u""
  
  
  @register.tag
  def latest_section_post(parser, token):
      """
          {% latest_section_post "articles" as latest_article_post %}
      """
      bits = token.split_contents()
      return LatestSectionPostNode(bits[1], bits[3])
  
  
  class BlogSectionsNode(template.Node):
  
      def __init__(self, context_var):
          self.context_var = context_var
  
      def render(self, context):
          sections = [(ALL_SECTION_NAME, "All")] + SECTIONS
          context[self.context_var] = sections
          return u""
  
  
  @register.tag
  def blog_sections(parser, token):
      """
          {% blog_sections as blog_sections %}
      """
      bits = token.split_contents()
      return BlogSectionsNode(bits[2])
  
subject: Remove another u''