def preprocess_request_data(request_data):
    '''
    :param request_data:
    :return:business,ips
    将request_data进行预处理,生成business和ips,business是必须的,ips可以为空
    如果ips为空,就是全景图;如果ips不是空,则为收敛图
    '''
    business = ''
    ips = []
    left_business = request_data['left_business'] if 'left_business' in request_data else None
    right_business = request_data['right_business'] if 'right_business' in request_data else None
    center_business = request_data['services_name'] if 'services_name' in request_data else None
    center_inst = request_data['center_inst'] if 'center_inst' in request_data else None
    try:
            center_ips = eval(request_data['center_ips'])

    except:
            center_ips = []
    print '**',type(center_ips)
    if center_inst is None:
        if left_business is None and right_business is None:
            business = center_business
        elif left_business is None and right_business is not None:
            business = right_business
        elif left_business is not None and right_business is None:
            business = left_business
    else:
        if len(center_ips) == 0:
            if left_business is None and right_business is not None:
                business = right_business
                ips = model_ora.get_ip_accord_business_instance('target', center_business,
                                                                right_business, center_inst)
            elif left_business is not None and right_business is None:
                business = left_business
                ips = model_ora.get_ip_accord_business_instance('source', center_business,
                                                                left_business, center_inst)
        else:
            if left_business is None and right_business is not None:
                print '&&&&&&&&&&&&&'
                business = right_business
                ips = model_ora.get_ip_accord_business_instance_ips('target', center_business, right_business,
                                                                    center_inst, center_ips)
                print ips
            elif left_business is not None and right_business is None:
                business = left_business
                ips = model_ora.get_ip_accord_business_instance_ips('source', center_business, left_business,
                                                                    center_inst, center_ips)
    return business, ips
def preprocess_request_data(request_data):
    business = ''
    ips = []
    left_business = request_data['left_business'] if 'left_business' in request_data else None
    right_business = request_data['right_business'] if 'right_business' in request_data else None
    center_business = request_data['services_name'] if 'services_name' in request_data else None
    center_inst = request_data['center_inst'] if 'center_inst' in request_data else None
    try:
        center_ips = eval(request_data['center_ips'])
    except:
        center_ips = []
    print '______________________________'
    print 'left_business',left_business
    print 'right_business',right_business
    print 'center_ips',center_ips,type(center_ips)
    print 'center_business',center_business
    print 'center_inst',center_inst
    print '______________________________'

    if center_inst is None:
        if left_business is None and right_business is None:
            business = center_business
        elif left_business is None and right_business is not None:
            business = right_business
        elif left_business is not None and right_business is None:
            business = left_business
    else:
        if len(center_ips) == 0:
            if left_business is None and right_business is not None:
                business = right_business
                ips = model_ora.get_ip_accord_business_instance('target', center_business,
                                                                right_business, center_inst)
            elif left_business is not None and right_business is None:
                business = left_business
                ips = model_ora.get_ip_accord_business_instance('source', center_business,
                                                                left_business, center_inst)
        else:
            if left_business is None and right_business is not None:
                business = right_business
                ips = model_ora.get_ip_accord_business_instance_ips('target', center_business, right_business,
                                                                    center_inst, center_ips)
            elif left_business is not None and right_business is None:
                business = left_business
                ips = model_ora.get_ip_accord_business_instance_ips('source', center_business, left_business,
                                                                    center_inst, center_ips)
    return business, ips