models.py 文件源码

def page_changed(sender, **kwargs):
    """
    post_save receiver for Page model:
    * clears Page-related cache keys,
    * refresh mappings: alias <-> page real url,
    * clears cache keys related to PageChanges.
    """
    page = kwargs['instance']
    cache_key = cachekeys.template_source(page.pk)
    cache.delete(cache_key)
    PageURLCache.refresh()