from django.template import Library

register = Library()

def filer_actions(context):
    """
    Track the number of times the action field has been rendered on the page,
    so we know which value to use.
    """
    context['action_index'] = context.get('action_index', -1) + 1
    return context
filer_actions = register.inclusion_tag("admin/filer/actions.html", takes_context=True)(filer_actions)
