old_contents: from django import template
  from djangopress.blog.models import Entry, Blog, Category
  from django.utils import timezone
  
  register = template.Library()
  
  @register.inclusion_tag('blog/show_latest.html')
  def show_blog_latest(number=5, words=20, blog=None):
      blog = Blog.objects.get(slug=blog)
      try:
          number = int(number)
      except ValueError:
          number = 5
      entries_list = Entry.objects.get_entries(blog=blog)[0:number]
      return {
          "entries": entries_list,
          "words": words
      }
  
  @register.inclusion_tag('blog/list_latest.html')
  def list_blog_latest(number=5, blog=None):
      blog = Blog.objects.get(slug=blog)
      try:
          number = int(number)
      except ValueError:
          number = 5
      entries_list = Entry.objects.get_entries(blog=blog)[0:number]
      return {
          "entries": entries_list,
          "blog": blog,
      }
  
  @register.inclusion_tag('blog/list_archive.html')
  def list_blog_archive(blog):
      with timezone.override(None):
          entries_list = Entry.objects.get_entries(blog=blog)
          dates = entries_list.datetimes('posted', 'month', order='DESC')
          return {
              "dates": dates,
          }
  
  @register.inclusion_tag('blog/list_categories.html')
  def list_blog_categories(blog):
      return {
          "categories": Category.objects.get_categories(blog=blog),
      }
new_contents: from django import template
  from djangopress.blog.models import Entry, Blog, Category
  from django.utils import timezone
  
  register = template.Library()
  
  @register.inclusion_tag('blog/show_latest.html')
  def show_blog_latest(number=5, words=20, blog=None):
      blog = Blog.objects.get(slug=blog)
      try:
          number = int(number)
      except ValueError:
          number = 5
      entries_list = Entry.objects.get_entries(blog=blog)[0:number]
      return {
          "entries": entries_list,
          "words": words
      }
  
  @register.inclusion_tag('blog/list_latest.html')
  def list_blog_latest(number=5, blog=None):
      try:
          blog = Blog.objects.get(slug=blog)
      except Blog.DoesNotExist:
          return {}
      try:
          number = int(number)
      except ValueError:
          number = 5
      entries_list = Entry.objects.get_entries(blog=blog)[0:number]
      return {
          "entries": entries_list,
          "blog": blog,
      }
  
  @register.inclusion_tag('blog/list_archive.html')
  def list_blog_archive(blog):
      with timezone.override(None):
          entries_list = Entry.objects.get_entries(blog=blog)
          dates = entries_list.datetimes('posted', 'month', order='DESC')
          return {
              "dates": dates,
          }
  
  @register.inclusion_tag('blog/list_categories.html')
  def list_blog_categories(blog):
      return {
          "categories": Category.objects.get_categories(blog=blog),
      }
subject: Fix for when there is no blog.