return a dict

def status_count(self, project):
        '''
        return a dict
        '''
        result = dict()
        if project not in self.projects:
            self._list_project()
        if project not in self.projects:
            return result
        tablename = self._tablename(project)
        for status, count in self._execute("SELECT `status`, count(1) FROM %s GROUP BY `status`" %
                                           self.escape(tablename)):
            result[status] = count
        return result