GatewayDeviceController.py 26 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549
  1. # -*- encoding: utf-8 -*-
  2. """
  3. @File : GatewayDeviceController.py
  4. @Time : 2022/6/6 13:50
  5. @Author : stephen
  6. @Email : zhangdongming@asj6.wecom.work
  7. @Software: PyCharm
  8. """
  9. import datetime
  10. import time
  11. import requests
  12. from django.db import transaction
  13. from django.db.models import Q
  14. from django.views.generic.base import View
  15. from Ansjer.Config.gatewaySensorConfig import SMART_SCENE_TOPIC
  16. from Ansjer.config import CONFIG_INFO, AWS_IOT_SES_ACCESS_CHINA_ID, AWS_IOT_SES_ACCESS_CHINA_SECRET, \
  17. AWS_IOT_SES_ACCESS_CHINA_REGION, AWS_IOT_SES_ACCESS_FOREIGN_ID, AWS_IOT_SES_ACCESS_FOREIGN_SECRET, \
  18. AWS_IOT_SES_ACCESS_FOREIGN_REGION_AMERICA
  19. from Ansjer.config import LOGGER
  20. from Controller.SensorGateway.EquipmentFamilyController import EquipmentFamilyView
  21. from Controller.SensorGateway.SmartSocketController import SmartSocketView
  22. from Model.models import FamilyRoomDevice, FamilyRoom, GatewaySubDevice, Device_Info, UserFamily, FamilyMember, \
  23. UidSetModel, iotdeviceInfoModel, SmartScene, SceneLog, SocketInfo, SocketPowerStatistics, SocketSchedule, \
  24. CountryModel
  25. from Object.AWS.AWSIoTDataPlaneUtil import AWSIoTDataPlaneService
  26. from Object.RedisObject import RedisObject
  27. from Object.ResponseObject import ResponseObject
  28. from Object.TokenObject import TokenObject
  29. from Service.CommonService import CommonService
  30. class GatewayDeviceView(View):
  31. def get(self, request, *args, **kwargs):
  32. request.encoding = 'utf-8'
  33. operation = kwargs.get('operation')
  34. return self.validation(request.GET, request, operation)
  35. def post(self, request, *args, **kwargs):
  36. request.encoding = 'utf-8'
  37. operation = kwargs.get('operation')
  38. return self.validation(request.POST, request, operation)
  39. def validation(self, request_dict, request, operation):
  40. if operation == 'bind-serial-user':
  41. response = ResponseObject()
  42. return self.bind_serial_user(request_dict, response)
  43. token = TokenObject(request.META.get('HTTP_AUTHORIZATION'))
  44. lang = request_dict.get('lang', None)
  45. response = ResponseObject(lang) if lang else ResponseObject(token.lang)
  46. if token.code != 0:
  47. return response.json(token.code)
  48. user_id = token.userID
  49. # 网关设备
  50. if operation == 'list':
  51. return self.gateway_device_list(request_dict, response)
  52. elif operation == 'del':
  53. return self.gateway_device_del(user_id, request_dict, response)
  54. elif operation == 'update':
  55. return self.gateway_device_update(user_id, request_dict, response)
  56. elif operation == 'my/family/list':
  57. return self.my_family_list(user_id, response)
  58. elif operation == 'location-setting':
  59. return self.device_location_setting(user_id, request_dict, response)
  60. elif operation == 'get-serial-user':
  61. return self.get_serial_user(user_id, request_dict, response)
  62. @classmethod
  63. def device_location_setting(cls, user_id, request_dict, response):
  64. """
  65. 网关位置迁移
  66. @param user_id: 用户id
  67. @param request_dict: 请求参数字典
  68. @param response: 响应对象
  69. @return: []
  70. """
  71. device_id = request_dict.get('deviceId', None)
  72. family_id = request_dict.get('familyId', None)
  73. room_id = request_dict.get('roomId', None)
  74. if not all([device_id, family_id]):
  75. return response.json(444)
  76. family_id = int(family_id)
  77. permission = EquipmentFamilyView.get_member_permission_details(user_id, family_id)
  78. if not permission or permission == '003':
  79. return response.json(404)
  80. try:
  81. with transaction.atomic():
  82. family_room_device_qs = FamilyRoomDevice.objects.filter(device_id=device_id, family_id=family_id)
  83. if family_room_device_qs.exists():
  84. family_room_device_qs = family_room_device_qs.filter(sub_device=0)
  85. if family_room_device_qs.exists() and room_id:
  86. family_room_device_qs.update(room_id=int(room_id))
  87. else:
  88. user_family_qs = UserFamily.objects.filter(id=family_id)
  89. if not user_family_qs:
  90. return response.json(173)
  91. family_room_device_qs = FamilyRoomDevice.objects.filter(device_id=device_id)
  92. if family_room_device_qs.exists():
  93. param_data = {'family_id': family_id, 'room_id': 0}
  94. if room_id:
  95. param_data['room_id'] = room_id
  96. family_room_device_qs.update(**param_data)
  97. return response.json(0)
  98. except Exception as e:
  99. print(e)
  100. return response.json(177, repr(e))
  101. @classmethod
  102. def gateway_device_update(cls, user_id, request_dict, response):
  103. """
  104. 网关设备修改名称
  105. @param user_id:
  106. @param request_dict:
  107. @param response:
  108. @return:
  109. """
  110. device_name = request_dict.get('deviceName')
  111. device_id = request_dict.get('deviceId')
  112. if not all([device_name, device_id]):
  113. return response.json(444)
  114. device_info_qs = Device_Info.objects.filter(userID_id=user_id, id=device_id)
  115. if device_info_qs.exists():
  116. device_info_qs.update(NickName=device_name)
  117. uid_set_qs = UidSetModel.objects.filter(uid=device_info_qs[0].UID)
  118. if uid_set_qs.exists():
  119. uid_set_qs.update(nickname=device_name)
  120. if device_info_qs[0].Type == 201:
  121. device_info_qs = device_info_qs.values('serial_number')
  122. cls.update_socket(serial_number=device_info_qs[0]['serial_number'], device_name=device_name,
  123. user_id=user_id)
  124. return response.json(0)
  125. @classmethod
  126. def my_family_list(cls, user_id, response):
  127. """
  128. 我的家庭列表
  129. @param user_id:
  130. @param response:
  131. @return:
  132. """
  133. user_family_qs = UserFamily.objects.filter(user_id=user_id).values()
  134. family_list = []
  135. if user_family_qs.exists():
  136. family_member_qs = FamilyMember.objects.filter(user_id=user_id, identity=1) \
  137. .order_by('sort').values('identity', 'family_id', 'family__name', 'permission_id', 'permission__no',
  138. 'family__location', 'user__username', 'user__userIconUrl')
  139. items = EquipmentFamilyView.family_info_list(family_member_qs)
  140. return response.json(0, items)
  141. return response.json(0, family_list)
  142. @classmethod
  143. def gateway_device_del(cls, user_id, request_dict, response):
  144. """
  145. 网关设备删除或删除子设备
  146. @param user_id:
  147. @param request_dict:
  148. @param response:
  149. @return:
  150. """
  151. device_id = request_dict.get('deviceId')
  152. family_id = request_dict.get('familyId')
  153. # 1 删除网关 否则删除子设备
  154. sub_ids = request_dict.get('subIds')
  155. if not family_id:
  156. return response.json(444)
  157. permission = EquipmentFamilyView.get_member_permission_details(user_id, family_id)
  158. if not permission or permission == '003':
  159. return response.json(404)
  160. try:
  161. with transaction.atomic():
  162. if device_id:
  163. device_qs = Device_Info.objects.filter(id=device_id)
  164. if device_qs.exists():
  165. family_device_qs = FamilyRoomDevice.objects.filter(device_id=device_id)
  166. if family_device_qs.exists():
  167. family_device_qs.delete()
  168. uid_set_qs = UidSetModel.objects.filter(uid=device_qs.first().UID)
  169. if uid_set_qs.exists():
  170. uid_set_qs.delete()
  171. socket_info_qs = SocketInfo.objects.filter(device_id=device_id)
  172. if socket_info_qs.exists():
  173. # 设备在不在线, 都发布重置
  174. serial_number = device_qs.first().serial_number
  175. cls.reset_device(serial_number)
  176. socket_info_qs.delete()
  177. socket_power_qs = SocketPowerStatistics.objects.filter(device_id=device_id)
  178. if socket_power_qs.exists():
  179. socket_power_qs.delete()
  180. socket_schedule_qs = SocketSchedule.objects.filter(device_id=device_id)
  181. if socket_schedule_qs.exists():
  182. socket_schedule_qs.delete()
  183. scene_log_qs = SceneLog.objects.filter(device_id=serial_number)
  184. if scene_log_qs.exists():
  185. scene_log_qs.delete()
  186. SmartSocketView.delete_alexa_socket(serial_number)
  187. # 如果有子设备,删除子设备和关联的场景数据
  188. gateway_qs = GatewaySubDevice.objects.filter(device_id=device_id)
  189. if gateway_qs.exists():
  190. sub_id_list = gateway_qs.values_list('id', flat=True)
  191. smart_scene_qs = SmartScene.objects.filter(
  192. Q(device_id=device_id) | Q(sub_device_id__in=sub_id_list))
  193. else:
  194. smart_scene_qs = SmartScene.objects.filter(device_id=device_id)
  195. if smart_scene_qs.exists():
  196. # 通知设备删除场景id
  197. smart_scene_info = smart_scene_qs.values('id')
  198. serial_number = device_qs.first().serial_number
  199. topic_name = SMART_SCENE_TOPIC.format(serial_number)
  200. for smart_scene in smart_scene_info:
  201. msg = {
  202. 'smart_scene_delete': int(smart_scene['id'])
  203. }
  204. success = CommonService.req_publish_mqtt_msg(serial_number, topic_name, msg)
  205. try:
  206. assert success
  207. except AssertionError:
  208. return response.json(10044)
  209. time.sleep(0.3)
  210. smart_scene_qs.delete()
  211. gateway_qs.delete() # 删除子设备
  212. scene_log_qs = SceneLog.objects.filter(device_id=device_id)
  213. if scene_log_qs.exists():
  214. scene_log_qs.delete()
  215. device_qs.delete()
  216. elif sub_ids:
  217. sub_ids = sub_ids.split(',')
  218. ids = []
  219. for item in sub_ids:
  220. sub_id = int(item)
  221. ids.append(sub_id)
  222. sub_device_qs = GatewaySubDevice.objects.filter(id=sub_id).values('device_type', 'src_addr',
  223. 'device__serial_number')
  224. serial_number = sub_device_qs[0]['device__serial_number']
  225. topic_name = SMART_SCENE_TOPIC.format(serial_number)
  226. device_type = sub_device_qs[0]['device_type']
  227. if device_type == 216: # 删除智能按钮通知设备
  228. msg = {
  229. 'sos_delete': int(sub_device_qs[0]['src_addr'], 16)
  230. }
  231. success = CommonService.req_publish_mqtt_msg(serial_number, topic_name, msg)
  232. try:
  233. assert success
  234. except AssertionError:
  235. return response.json(10044)
  236. time.sleep(0.3)
  237. family_device_qs = FamilyRoomDevice.objects.filter(sub_device__in=ids)
  238. if family_device_qs.exists():
  239. family_device_qs.delete()
  240. gateway_sub_qs = GatewaySubDevice.objects.filter(id__in=ids)
  241. if gateway_sub_qs.exists():
  242. gateway_sub_qs.delete()
  243. smart_scene_qs = SmartScene.objects.filter(sub_device_id__in=ids)
  244. if smart_scene_qs.exists():
  245. smart_scene_info = smart_scene_qs.values('id')
  246. for smart_scene in smart_scene_info:
  247. # 通知设备删除场景id
  248. msg = {
  249. 'smart_scene_delete': int(smart_scene['id'])
  250. }
  251. success = CommonService.req_publish_mqtt_msg(serial_number, topic_name, msg)
  252. try:
  253. assert success
  254. except AssertionError:
  255. return response.json(10044)
  256. time.sleep(0.3)
  257. smart_scene_qs.delete()
  258. scene_log_qs = SceneLog.objects.filter(sub_device_id__in=ids)
  259. if scene_log_qs.exists():
  260. scene_log_qs.delete()
  261. return response.json(0)
  262. except Exception as e:
  263. print(e)
  264. return response.json(177, repr(e))
  265. @staticmethod
  266. def reset_device(serial_number):
  267. """
  268. 下发消息到设备
  269. """
  270. try:
  271. # 更新影子为离线状态
  272. data = {
  273. "state": {"reported": {"online": 0}}
  274. }
  275. iot_data_plane = None
  276. thing_name = 'LC_' + serial_number
  277. if 'test' == CONFIG_INFO or CONFIG_INFO == 'cn':
  278. iot_data_plane = AWSIoTDataPlaneService(AWS_IOT_SES_ACCESS_CHINA_ID,
  279. AWS_IOT_SES_ACCESS_CHINA_SECRET,
  280. AWS_IOT_SES_ACCESS_CHINA_REGION)
  281. elif 'us' == CONFIG_INFO:
  282. iot_data_plane = AWSIoTDataPlaneService(AWS_IOT_SES_ACCESS_FOREIGN_ID,
  283. AWS_IOT_SES_ACCESS_FOREIGN_SECRET,
  284. AWS_IOT_SES_ACCESS_FOREIGN_REGION_AMERICA)
  285. if iot_data_plane:
  286. res = iot_data_plane.update_thing_shadow(thing_name, data)
  287. LOGGER.info('删除插座更新设备影子状态{}'.format(res))
  288. # 下发设备进行重置
  289. SOCKET_TOPIC_NAME = 'loocam/smart-socket/{}' # 插座发布消息主题(因设备当前版本只能订阅一个主题)
  290. topic_name = SOCKET_TOPIC_NAME.format(serial_number)
  291. # 发布消息内容,重置设备
  292. msg = {'type': 6, 'data': {'device_reset': 1}}
  293. result = CommonService.req_publish_mqtt_msg(serial_number, topic_name, msg)
  294. LOGGER.info('重置{}智能插座设备,发布MQTT消息结果{}'.format(serial_number, result))
  295. return True
  296. except Exception as e:
  297. LOGGER.info('插座删除下发更改影子异常,errLine:{}, errMsg:{}'.format(e.__traceback__.tb_lineno, repr(e)))
  298. return False
  299. @classmethod
  300. def gateway_device_list(cls, request_dict, response):
  301. """
  302. 网关设备列表
  303. @param request_dict:
  304. @param response:
  305. @return:
  306. """
  307. device_id = request_dict.get('deviceId', None)
  308. if not device_id:
  309. return response.json(444)
  310. device_qs = FamilyRoomDevice.objects.filter(device_id=device_id, sub_device=0)
  311. if not device_qs.exists():
  312. return response.json(173)
  313. try:
  314. device_qs = device_qs.values('family_id', 'device_id', 'room_id', 'device__Type', 'device__NickName',
  315. 'device__UID',
  316. 'device__serial_number')
  317. device_qs = device_qs.first()
  318. room_id = device_qs['room_id']
  319. family_id = device_qs['family_id']
  320. gateway_room_name = ''
  321. if room_id:
  322. room_qs = FamilyRoom.objects.filter(id=room_id)
  323. gateway_room_name = room_qs.first().name if room_qs.exists() else ''
  324. iot_device_info_qs = iotdeviceInfoModel.objects.filter(
  325. serial_number=device_qs['device__serial_number'][0:6])
  326. iot_data = {}
  327. if iot_device_info_qs.exists():
  328. iot_device_Info = iot_device_info_qs.values('endpoint', 'token_iot_number')
  329. iot_data = {
  330. 'endpoint': iot_device_Info[0]['endpoint'],
  331. 'token_iot_number': iot_device_Info[0]['token_iot_number']
  332. }
  333. gateway = {
  334. 'deviceId': device_qs['device_id'],
  335. 'deviceType': device_qs['device__Type'],
  336. 'deviceNickName': device_qs['device__NickName'],
  337. 'UID': device_qs['device__UID'],
  338. 'serialNumber': device_qs['device__serial_number'],
  339. 'roomName': gateway_room_name,
  340. 'iot': iot_data,
  341. 'roomId': room_id,
  342. 'familyId': family_id,
  343. 'power': 0,
  344. 'electricity': 0,
  345. 'countDownTime': 0,
  346. 'socketStatus': False,
  347. 'online': False,
  348. 'accumulatedTime': 0,
  349. 'start': False,
  350. }
  351. if device_qs['device__Type'] == 201:
  352. socket_info_qs = SocketInfo.objects.filter(device_id=device_id).values('online', 'type_switch',
  353. 'status',
  354. 'count_down_time', 'start')
  355. if not socket_info_qs.exists():
  356. return response.json(173)
  357. socket_data = cls.smart_socket(device_id, socket_info_qs)
  358. gateway = {key: socket_data.get(key, gateway[key]) for key in gateway.keys()}
  359. family_device_qs = FamilyRoomDevice.objects.filter(device_id=device_id)
  360. family_device_qs = family_device_qs.filter(~Q(sub_device=0)).order_by('-created_time')
  361. sub_device = []
  362. sub_id_list = []
  363. if family_device_qs.exists():
  364. family_device_qs = family_device_qs.values()
  365. for item in family_device_qs:
  366. sub_id = item['sub_device']
  367. sub_id_list.append(sub_id)
  368. gateway_sub_qs = GatewaySubDevice.objects.filter(device_id=device_id, id=sub_id).values(
  369. 'id', 'device_type',
  370. 'nickname',
  371. 'src_addr', 'status',
  372. 'created_time', 'ieee_addr')
  373. if not gateway_sub_qs.exists():
  374. continue
  375. room_id = item['room_id']
  376. room_qs = FamilyRoom.objects.filter(id=room_id)
  377. gateway_room_name = room_qs.first().name if room_qs.exists() else ''
  378. gateway_sub_qs = gateway_sub_qs.first()
  379. sub_device.append({
  380. 'gatewaySubId': gateway_sub_qs['id'],
  381. 'nickName': gateway_sub_qs['nickname'],
  382. 'deviceType': gateway_sub_qs['device_type'],
  383. 'srcAddr': gateway_sub_qs['src_addr'],
  384. 'status': gateway_sub_qs['status'],
  385. 'createdTime': gateway_sub_qs['created_time'],
  386. 'roomName': gateway_room_name,
  387. 'roomId': room_qs.first().id if room_qs.exists() else 0,
  388. 'ieeeAddr': gateway_sub_qs['ieee_addr'],
  389. 'familyId': family_id,
  390. })
  391. scene_count = SmartScene.objects.filter(Q(device_id=device_id) | Q(sub_device_id__in=sub_id_list)).count()
  392. res = {'gateway': gateway, 'sub_device': sub_device, 'sub_device_count': len(sub_device),
  393. 'scene_count': scene_count}
  394. return response.json(0, res)
  395. except Exception as e:
  396. print(e.args)
  397. return response.json(500)
  398. @classmethod
  399. def smart_socket(cls, device_id, socket_info_qs):
  400. """
  401. 查詢插座信息
  402. """
  403. nowTime = int(time.time())
  404. today = datetime.date.today()
  405. # 今天开始时间
  406. today_start_time = int(time.mktime(time.strptime(str(today), '%Y-%m-%d')))
  407. data = {
  408. 'power': 0,
  409. 'electricity': 0,
  410. 'countDownTime': 0,
  411. 'accumulatedTime': 0,
  412. 'socketStatus': False,
  413. 'online': False,
  414. 'start': False,
  415. }
  416. # 插座信息
  417. socket_info_qs = socket_info_qs.filter(device_id=device_id).values('online', 'type_switch',
  418. 'status', 'count_down_time', 'start')
  419. type_switch_list = [type_switch[v] for type_switch in socket_info_qs.values('type_switch') for v in type_switch]
  420. # 判断开关类型 0:总开关,1:倒计时开关
  421. if len(type_switch_list) == 2:
  422. socket_info_qs = socket_info_qs.filter(type_switch=1)
  423. else:
  424. socket_info_qs = socket_info_qs.filter(type_switch=0)
  425. # 插座信息
  426. data['socketStatus'] = socket_info_qs[0]['status']
  427. data['start'] = socket_info_qs[0]['start']
  428. data['online'] = socket_info_qs[0]['online']
  429. data['countDownTime'] = socket_info_qs[0]['count_down_time'] if socket_info_qs[0][
  430. 'count_down_time'] else 0
  431. # 当前设备电量信息
  432. socket_power_qs = SocketPowerStatistics.objects.filter(device_id=device_id, created_time__gte=today_start_time,
  433. created_time__lt=nowTime).values('accumulated_time',
  434. 'power',
  435. 'created_time',
  436. 'electricity'). \
  437. order_by('-created_time')
  438. if not socket_power_qs.exists():
  439. return data
  440. data['power'] = round(socket_power_qs[0]['power'], 1)
  441. data['electricity'] = round(socket_power_qs[0]['electricity'], 1)
  442. data['accumulatedTime'] = socket_power_qs[0]['accumulated_time']
  443. return data
  444. @staticmethod
  445. def bind_serial_user(request_dict, response):
  446. """
  447. 绑定序列号和用户id
  448. @param request_dict: 请求参数字典
  449. @request_dict user_id: 用户id
  450. @request_dict serial_number: 序列号
  451. @param response: 响应对象
  452. @return:
  453. """
  454. user_id = request_dict.get('user_id')
  455. serial_number = request_dict.get('serial_number')
  456. if not all([user_id, serial_number]):
  457. return response.json(444)
  458. try:
  459. redis_obj = RedisObject()
  460. result = redis_obj.set_data(user_id, serial_number, 300)
  461. if not result:
  462. return response.json(178)
  463. return response.json(0)
  464. except Exception as e:
  465. return response.json(500, repr(e))
  466. @staticmethod
  467. def get_serial_user(user_id, request_dict, response):
  468. """
  469. 获取用户id绑定网关序列号
  470. @param user_id: 用户id
  471. @param request_dict: 请求参数字典
  472. @param response: 响应对象
  473. @return:
  474. """
  475. try:
  476. redis_obj = RedisObject()
  477. serial_number = redis_obj.get_data(user_id)
  478. if not serial_number:
  479. return response.json(173)
  480. return response.json(0, {'serialNumber': serial_number})
  481. except Exception as e:
  482. return response.json(500, repr(e))
  483. @classmethod
  484. def update_socket(cls, serial_number, device_name, user_id):
  485. url = 'https://www.zositech.xyz/deviceStatus/addOrUpdateSwitch'
  486. try:
  487. region_id = CommonService.confirm_region_id()
  488. data = {
  489. 'nick_name': device_name,
  490. 'serial_number': serial_number,
  491. 'user_id': user_id,
  492. }
  493. if region_id == 3:
  494. data['region'] = 'US'
  495. elif region_id == 4:
  496. data['region'] = 'EU'
  497. elif region_id == 5:
  498. data['region'] = 'CN'
  499. requests.post(url=url, data=data, timeout=5)
  500. except Exception as e:
  501. print(repr(e))
  502. #
  503. # ___====-_ _-====___
  504. # _--^^^#####// \\#####^^^--_
  505. # _-^##########// ( ) \\##########^-_
  506. # -############// |\^^/| \\############-
  507. # _/############// (@::@) \\############\_
  508. # /#############(( \\// ))#############\
  509. # -###############\\ (oo) //###############-
  510. # -#################\\ / VV \ //#################-
  511. # -###################\\/ \//###################-
  512. # _#/|##########/\######( /\ )######/\##########|\#_
  513. # |/ |#/\#/\#/\/ \#/\##\ | | /##/\#/ \/\#/\#/\#| \|
  514. # ` |/ V V ` V \#\| | | |/#/ V ' V V \| '
  515. # ` ` ` ` / | | | | \ ' ' ' '
  516. # ( | | | | )
  517. # __\ | | | | /__
  518. # (vvv(VVV)(VVV)vvv)
  519. # 神兽保佑
  520. # 代码无BUG!
  521. #