'http://wiki.apache.org/solr/CoreAdmin#head-9be76f5a459882c5c093a7a1456e98bea7723953'

def status(self, core=None):

    params = {u'action': u'STATUS'}
    if (core is not None):
        params.update(core=core)
    return self._get_url(self.url, params=params)
