def get(self, session, **kwargs):
        '''taobao.fenxiao.cooperation.get 获取供应商的合作关系信息
        
        获取供应商的合作关系信息'''
        request = TOPRequest('taobao.fenxiao.cooperation.get')
        for k, v in kwargs.iteritems():
            if k not in ('status', 'start_date', 'end_date', 'trade_type', 'page_no', 'page_size') and v==None: continue
            request[k] = v
        self.create(self.execute(request, session), fields=['total_results','cooperations'], models={'cooperations':Cooperation})
        return self.cooperations