Django Admin Action Confirmation

action_confirmation.html

{% extends "admin/base_site.html" %}
{% load i18n l10n admin_urls %}

{% block bodyclass %}{{ block.super }} app-{{ opts.app_label }} model-{{ opts.model_name }} delete-confirmation
  delete-selected-confirmation{% endblock %}

{% block content %}
  <p>Are you sure you want to {{ action }}?</p>
  <ul style="padding: 0">
    {% for object in queryset.all %}
      <li style="list-style: none; float: left; margin: 5px">
        {{ object }}
      </li>
    {% endfor %}
  </ul>
  <hr>
  <br>
  <form action="" method="post">{% csrf_token %}
    <fieldset class="module aligned">
      {% for obj in queryset.all %}
        <input type="hidden" name="_selected_action" value="{{ obj.pk|unlocalize }}"/>
      {% endfor %}
    </fieldset>
    <div class="submit-row">
      <input type="hidden" name="action" value="{{ action }}"/>
      <input type="submit" name="confirmation" value="Confirm"/>
      <a href="#" onclick="window.history.back(); return false;"
         class="button cancel-link">{% trans "No, take me back" %}</a>
    </div>
  </form>
{% endblock %}

decorator.py

# decorator for model action
def require_confirmation(func):
    def wrapper(modeladmin, request, queryset):
        if request.POST.get("confirmation") is None:
            request.current_app = modeladmin.admin_site.name
            context = {
                "action": request.POST["action"],
                "queryset": queryset,
            }
            return TemplateResponse(request, "admin/action_confirmation.html", context)

        return func(modeladmin, request, queryset)
    
    wrapper.__name__ = func.__name__
    return wrapper

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