models.py 文件源码

def _safe_get_siteid(site):
    global is_site_initializing, is_first_warn
    if not site:
        try:
            site = Site.objects.get_current()
            siteid = site.id
        except Exception as e:
            if is_site_initializing and isinstance(e, DatabaseError) and str(e).find('django_site') > -1:
                if is_first_warn:
                    log.warn(str(e).strip())
                    is_first_warn = False
                log.warn('Can not get siteid; probably before syncdb; ROLLBACK')
                connection._rollback()
            else:
                is_site_initializing = False
            siteid = settings.SITE_ID
        else:
            is_site_initializing = False
    else:
        siteid = site.id
    return siteid