models.py 文件源码

def add_default_site(instance, created, **kwargs):
    """
    Called via Django's signals when an instance is created.
    In case PHOTOLOGUE_MULTISITE is False, the current site (i.e.
    ``settings.SITE_ID``) will always be added to the site relations if none are
    present.
    """
    if not created:
        return
    if getattr(settings, 'PHOTOLOGUE_MULTISITE', False):
        return
    if instance.sites.exists():
        return
    instance.sites.add(Site.objects.get_current())