def create_upload_task(self, key, size_limit=-1):
r, s = self.client.create_upload_task(key, size_limit=size_limit)
if s == WebStorageClientStatus.KEY_OCCUPIED:
raise MessageException(
'Key has exist in WebStorage LargeFileStorage.create_upload_task() '
)
if (s != WebStorageClientStatus.KEY_OCCUPIED) and (
s != WebStorageClientStatus.SUCCESS):
raise MessageException(
'Error in delete file list in LargeFileStorage.create_upload_task() '
)
return r
def list(self):
r, s = self.client.list()
if s != WebStorageClientStatus.SUCCESS:
raise MessageException(
'Error in get file list in LargeFileStorage.list() ')
#r 是文件列表
return r
def get_queryset(self):
try:
return FileModel.objects.all().order_by("-uploaddate")
except MessageException as e:
logger.error(traceback.format_exc())
raise e # rethrow exception
except Exception as e:
logger.error(traceback.format_exc())
raise MessageException('出现未知错误 !')
def create(self, request):
try:
serializerClass = self.get_serializer_class()
serializer = serializerClass(data=request.data, context={'request': request, 'view': self})
if not serializer.is_valid(raise_exception=True):
raise MessageException('保存出错!')
instance = serializer.save()
return Response(serializerClass(instance).data, status=status.HTTP_201_CREATED)
except ValidationError as e: # 验证异常类
logger.error(traceback.print_exc())
first_validate_error_message = list(e.detail.values())[0][0]
return Response({'error_message': first_validate_error_message}, status=status.HTTP_400_BAD_REQUEST)
except MessageException as e:
return Response({'error_message': str(e)}, status=status.HTTP_400_BAD_REQUEST)
except Exception as e:
logger.error(traceback.print_exc())
return Response({}, status=status.HTTP_400_BAD_REQUEST)
def update(self, request, id):
try:
category_instance = self.get_queryset().get(id=id)
seralizer_class = self.get_serializer_class()
seralizer = seralizer_class(instance=category_instance, data=request.data)
if not seralizer.is_valid(raise_exception=True):
raise MessageException('data save error')
instance = seralizer.save()
return Response(seralizer_class(instance).data, status=status.HTTP_200_OK)
except FileModel.DoesNotExist:
return Response({'error_message': 'instance not find'}, status=status.HTTP_400_BAD_REQUEST)
except ValidationError as e:
logger.error(traceback.print_exc())
first_validate_error_message = list(e.detail.values())[0][0]
return Response({'error_message': first_validate_error_message}, status=status.HTTP_400_BAD_REQUEST)
except MessageException as e:
return Response({'error_message': str(e)}, status=status.HTTP_400_BAD_REQUEST)
except Exception as e:
logger.error(traceback.print_exc())
return Response({'error_message': 'error in software'}, status=status.HTTP_400_BAD_REQUEST)
def delete(self, key):
s = self.client.delete(key)
if s != WebStorageClientStatus.SUCCESS:
raise MessageException(
'Error in delete file list in LargeFileStorage.delete() ')
def get_queryset(self):
try:
return FileModel.objects.all()
except Exception as e:
logger.error(traceback.format_exc())
raise MessageException('出现未知错误 !')