docs: def direct_to_user_template(request, username, template_name,
                              extra_context=None):
      """
      Simple wrapper for Django's :func:`direct_to_template` view.
  
      This view is used when you want to show a template to a specific user. A
      wrapper for :func:`direct_to_template` where the template also has access
      to the user that is found with ``username``. For ex. used after signup,
      activation and confirmation of a new e-mail.
  
      :param username:
          String defining the username of the user that made the action.
  
      :param template_name:
          String defining the name of the template to use. Defaults to
          ``accounts/signup_complete.html``.
  
      **Keyword arguments**
  
      ``extra_context``
          A dictionary containing extra variables that should be passed to the
          rendered template. The ``account`` key is always the ``User``
          that completed the action.
  
      **Extra context**
  
      ``viewed_user``
          The currently :class:`User` that is viewed.
  
      """
      user = get_object_or_404(get_user_model(), username__iexact=username)
  
      if not extra_context:
          extra_context = dict()
      extra_context['viewed_user'] = user
      extra_context['profile'] = user.get_profile()
      return ExtraContextTemplateView.as_view(template_name=template_name,
                                          extra_context=extra_context)(request)