old_contents: from django import template
  
  from friendship.models import Friend, Follow, FriendshipRequest
  
  register = template.Library()
  
  
  @register.simple_tag(takes_context=True)
  def get_by_name(context, name):
      """Tag to lookup a variable in the current context."""
      return context[name]
  
  
  @register.inclusion_tag('friendship/templatetags/friends.html')
  def friends(user):
      """
      Simple tag to grab all friends
      """
      return {'friends': Friend.objects.friends(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/followers.html')
  def followers(user):
      """
      Simple tag to grab all followers
      """
      return {'followers': Follow.objects.followers(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/following.html')
  def following(user):
      """
      Simple tag to grab all users who follow the given user
      """
      return {'following': Follow.objects.following(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/friend_requests.html')
  def friend_requests(user):
      """
      Inclusion tag to display friend requests
      """
      return {'friend_requests': Friend.objects.requests(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/friend_request_count.html')
  def friend_request_count(user):
      """
      Inclusion tag to display the count of unread friend requests
      """
      return {'friend_request_count': Friend.objects.unread_request_count(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/friend_count.html')
  def friend_count(user):
      """
      Inclusion tag to display the total count of friends for the given user
      """
      return {'friend_count': len(Friend.objects.friends(user))}
  
  
  @register.inclusion_tag('friendship/templatetags/friend_rejected_count.html')
  def friend_rejected_count(user):
      """
      Inclusion tag to display the count of rejected friend requests
      """
      return {'friend_rejected_count': len(Friend.objects.rejected_requests(user))}
  
new_contents: from django import template
  
  from friendship.models import Friend, Follow, FriendshipRequest
  
  register = template.Library()
  
  
  @register.assignment_tag(takes_context=True)
  def get_by_name(context, name):
      """Tag to lookup a variable in the current context."""
      return context[name]
  
  
  @register.inclusion_tag('friendship/templatetags/friends.html')
  def friends(user):
      """
      Simple tag to grab all friends
      """
      return {'friends': Friend.objects.friends(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/followers.html')
  def followers(user):
      """
      Simple tag to grab all followers
      """
      return {'followers': Follow.objects.followers(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/following.html')
  def following(user):
      """
      Simple tag to grab all users who follow the given user
      """
      return {'following': Follow.objects.following(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/friend_requests.html')
  def friend_requests(user):
      """
      Inclusion tag to display friend requests
      """
      return {'friend_requests': Friend.objects.requests(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/friend_request_count.html')
  def friend_request_count(user):
      """
      Inclusion tag to display the count of unread friend requests
      """
      return {'friend_request_count': Friend.objects.unread_request_count(user)}
  
  
  @register.inclusion_tag('friendship/templatetags/friend_count.html')
  def friend_count(user):
      """
      Inclusion tag to display the total count of friends for the given user
      """
      return {'friend_count': len(Friend.objects.friends(user))}
  
  
  @register.inclusion_tag('friendship/templatetags/friend_rejected_count.html')
  def friend_rejected_count(user):
      """
      Inclusion tag to display the count of rejected friend requests
      """
      return {'friend_rejected_count': len(Friend.objects.rejected_requests(user))}
  
subject: Use assignment_tag instead of simple_tag.