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问题：如何使用boto3处理错误？
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问题：如何使用boto3处理错误？

我试图弄清楚如何使用boto3进行正确的错误处理。

我正在尝试创建一个IAM用户：

def create_user(username, iam_conn):
    try:
        user = iam_conn.create_user(UserName=username)
        return user
    except Exception as e:
        return e

成功调用create_user时，我得到一个整洁的对象，其中包含API调用的http状态代码和新创建的用户的数据。

例：

{'ResponseMetadata': 
      {'HTTPStatusCode': 200, 
       'RequestId': 'omitted'
      },
 u'User': {u'Arn': 'arn:aws:iam::omitted:user/omitted',
           u'CreateDate': datetime.datetime(2015, 10, 11, 17, 13, 5, 882000, tzinfo=tzutc()),
           u'Path': '/',
           u'UserId': 'omitted',
           u'UserName': 'omitted'
          }
}

这很好。但是，如果失败（例如用户已经存在），我只会得到一个类型为botocore.exceptions.ClientError的对象，其中只有文本可以告诉我出了什么问题。

示例：ClientError（’调用CreateUser操作时发生错误（EntityAlreadyExists）：名称省略的用户已经存在。’，）

此（AFAIK）使得错误处理变得非常困难，因为我不能仅打开结果的http状态代码（根据IAM的AWS API文档，该用户的409已经存在）。这使我认为我必须以错误的方式做某事。最佳的方法是让boto3永远不会抛出异常，但是突出部分总是返回一个反映API调用进行方式的对象。

谁能在这个问题上启发我或为我指明正确的方向？

点击查看英文原文

I am trying to figure how to do proper error handling with boto3.

I am trying to create an IAM user:

def create_user(username, iam_conn):
    try:
        user = iam_conn.create_user(UserName=username)
        return user
    except Exception as e:
        return e

When the call to create_user succeeds, I get a neat object that contains the http status code of the API call and the data of the newly created user.

Example:

{'ResponseMetadata': 
      {'HTTPStatusCode': 200, 
       'RequestId': 'omitted'
      },
 u'User': {u'Arn': 'arn:aws:iam::omitted:user/omitted',
           u'CreateDate': datetime.datetime(2015, 10, 11, 17, 13, 5, 882000, tzinfo=tzutc()),
           u'Path': '/',
           u'UserId': 'omitted',
           u'UserName': 'omitted'
          }
}

This works great. But when this fails (like if the user already exists), I just get an object of type botocore.exceptions.ClientError with only text to tell me what went wrong.

Example: ClientError(‘An error occurred (EntityAlreadyExists) when calling the CreateUser operation: User with name omitted already exists.’,)

This (AFAIK) makes error handling very hard because I can’t just switch on the resulting http status code (409 for user already exists according to the AWS API docs for IAM). This makes me think that I must be doing something the wrong way. The optimal way would be for boto3 to never throw exceptions, but juts always return an object that reflects how the API call went.

Can anyone enlighten me on this issue or point me in the right direction?

回答 0

使用异常中包含的响应。这是一个例子：

import boto3
from botocore.exceptions import ClientError

try:
    iam = boto3.client('iam')
    user = iam.create_user(UserName='fred')
    print("Created user: %s" % user)
except ClientError as e:
    if e.response['Error']['Code'] == 'EntityAlreadyExists':
        print("User already exists")
    else:
        print("Unexpected error: %s" % e)

异常中的响应字典将包含以下内容：

  • ['Error']['Code'] 例如’EntityAlreadyExists’或’ValidationError’
  • ['ResponseMetadata']['HTTPStatusCode'] 例如400
  • ['ResponseMetadata']['RequestId'] 例如’d2b06652-88d7-11e5-99d0-812348583a35′
  • ['Error']['Message'] 例如：“发生错误（EntityAlreadyExists）…”
  • ['Error']['Type'] 例如“发件人”

有关更多信息，请参见botocore错误处理。

[更新时间：2018-03-07]

AWS Python SDK已开始在您可以显式捕获的客户端上公开服务异常（尽管不是在resource上），因此现在可以编写如下代码：

import boto3
from botocore.exceptions import ClientError, ParamValidationError

try:
    iam = boto3.client('iam')
    user = iam.create_user(UserName='fred')
    print("Created user: %s" % user)
except iam.exceptions.EntityAlreadyExistsException:
    print("User already exists")
except ParamValidationError as e:
    print("Parameter validation error: %s" % e)
except ClientError as e:
    print("Unexpected error: %s" % e)

不幸的是，目前没有关于这些异常的文档。

点击查看英文原文

Use the response contained within the exception. Here is an example:

import boto3
from botocore.exceptions import ClientError

try:
    iam = boto3.client('iam')
    user = iam.create_user(UserName='fred')
    print("Created user: %s" % user)
except ClientError as e:
    if e.response['Error']['Code'] == 'EntityAlreadyExists':
        print("User already exists")
    else:
        print("Unexpected error: %s" % e)

The response dict in the exception will contain the following:

  • ['Error']['Code'] e.g. ‘EntityAlreadyExists’ or ‘ValidationError’
  • ['ResponseMetadata']['HTTPStatusCode'] e.g. 400
  • ['ResponseMetadata']['RequestId'] e.g. ‘d2b06652-88d7-11e5-99d0-812348583a35’
  • ['Error']['Message'] e.g. “An error occurred (EntityAlreadyExists) …”
  • ['Error']['Type'] e.g. ‘Sender’

For more information see:

[Updated: 2018-03-07]

The AWS Python SDK has begun to expose service exceptions on clients (though not on resources) that you can explicitly catch, so it is now possible to write that code like this:

import botocore
import boto3

try:
    iam = boto3.client('iam')
    user = iam.create_user(UserName='fred')
    print("Created user: %s" % user)
except iam.exceptions.EntityAlreadyExistsException:
    print("User already exists")
except botocore.exceptions.ParamValidationError as e:
    print("Parameter validation error: %s" % e)
except botocore.exceptions.ClientError as e:
    print("Unexpected error: %s" % e)

Unfortunately, there is currently no documentation for these exceptions but you can get a list of them as follows:

import botocore
import boto3
dir(botocore.exceptions)

Note that you must import both botocore and boto3. If you only import botocore then you will find that botocore has no attribute named exceptions. This is because the exceptions are dynamically populated into botocore by boto3.

回答 1

我发现这非常有用，因为没有记录exceptions，因此将所有exceptions列出到此软件包的屏幕上。这是我用来做的代码：

import botocore.exceptions
def listexns(mod):
    #module = __import__(mod)
    exns = []
    for name in botocore.exceptions.__dict__:
        if (isinstance(botocore.exceptions.__dict__[name], Exception) or
            name.endswith('Error')):
            exns.append(name)
    for name in exns:
        print('%s.%s is an exception type' % (str(mod), name))
    return

if __name__ == '__main__':
    import sys
    if len(sys.argv) <= 1:
        print('Give me a module name on the $PYTHONPATH!')
    print('Looking for exception types in module: %s' % sys.argv[1])
    listexns(sys.argv[1])

结果是：

Looking for exception types in module: boto3
boto3.BotoCoreError is an exception type
boto3.DataNotFoundError is an exception type
boto3.UnknownServiceError is an exception type
boto3.ApiVersionNotFoundError is an exception type
boto3.HTTPClientError is an exception type
boto3.ConnectionError is an exception type
boto3.EndpointConnectionError is an exception type
boto3.SSLError is an exception type
boto3.ConnectionClosedError is an exception type
boto3.ReadTimeoutError is an exception type
boto3.ConnectTimeoutError is an exception type
boto3.ProxyConnectionError is an exception type
boto3.NoCredentialsError is an exception type
boto3.PartialCredentialsError is an exception type
boto3.CredentialRetrievalError is an exception type
boto3.UnknownSignatureVersionError is an exception type
boto3.ServiceNotInRegionError is an exception type
boto3.BaseEndpointResolverError is an exception type
boto3.NoRegionError is an exception type
boto3.UnknownEndpointError is an exception type
boto3.ConfigParseError is an exception type
boto3.MissingParametersError is an exception type
boto3.ValidationError is an exception type
boto3.ParamValidationError is an exception type
boto3.UnknownKeyError is an exception type
boto3.RangeError is an exception type
boto3.UnknownParameterError is an exception type
boto3.AliasConflictParameterError is an exception type
boto3.PaginationError is an exception type
boto3.OperationNotPageableError is an exception type
boto3.ChecksumError is an exception type
boto3.UnseekableStreamError is an exception type
boto3.WaiterError is an exception type
boto3.IncompleteReadError is an exception type
boto3.InvalidExpressionError is an exception type
boto3.UnknownCredentialError is an exception type
boto3.WaiterConfigError is an exception type
boto3.UnknownClientMethodError is an exception type
boto3.UnsupportedSignatureVersionError is an exception type
boto3.ClientError is an exception type
boto3.EventStreamError is an exception type
boto3.InvalidDNSNameError is an exception type
boto3.InvalidS3AddressingStyleError is an exception type
boto3.InvalidRetryConfigurationError is an exception type
boto3.InvalidMaxRetryAttemptsError is an exception type
boto3.StubResponseError is an exception type
boto3.StubAssertionError is an exception type
boto3.UnStubbedResponseError is an exception type
boto3.InvalidConfigError is an exception type
boto3.InfiniteLoopConfigError is an exception type
boto3.RefreshWithMFAUnsupportedError is an exception type
boto3.MD5UnavailableError is an exception type
boto3.MetadataRetrievalError is an exception type
boto3.UndefinedModelAttributeError is an exception type
boto3.MissingServiceIdError is an exception type
点击查看英文原文

I found it very useful, since the Exceptions are not documented, to list all exceptions to the screen for this package. Here is the code I used to do it:

import botocore.exceptions
def listexns(mod):
    #module = __import__(mod)
    exns = []
    for name in botocore.exceptions.__dict__:
        if (isinstance(botocore.exceptions.__dict__[name], Exception) or
            name.endswith('Error')):
            exns.append(name)
    for name in exns:
        print('%s.%s is an exception type' % (str(mod), name))
    return

if __name__ == '__main__':
    import sys
    if len(sys.argv) <= 1:
        print('Give me a module name on the $PYTHONPATH!')
    print('Looking for exception types in module: %s' % sys.argv[1])
    listexns(sys.argv[1])

Which results in:

Looking for exception types in module: boto3
boto3.BotoCoreError is an exception type
boto3.DataNotFoundError is an exception type
boto3.UnknownServiceError is an exception type
boto3.ApiVersionNotFoundError is an exception type
boto3.HTTPClientError is an exception type
boto3.ConnectionError is an exception type
boto3.EndpointConnectionError is an exception type
boto3.SSLError is an exception type
boto3.ConnectionClosedError is an exception type
boto3.ReadTimeoutError is an exception type
boto3.ConnectTimeoutError is an exception type
boto3.ProxyConnectionError is an exception type
boto3.NoCredentialsError is an exception type
boto3.PartialCredentialsError is an exception type
boto3.CredentialRetrievalError is an exception type
boto3.UnknownSignatureVersionError is an exception type
boto3.ServiceNotInRegionError is an exception type
boto3.BaseEndpointResolverError is an exception type
boto3.NoRegionError is an exception type
boto3.UnknownEndpointError is an exception type
boto3.ConfigParseError is an exception type
boto3.MissingParametersError is an exception type
boto3.ValidationError is an exception type
boto3.ParamValidationError is an exception type
boto3.UnknownKeyError is an exception type
boto3.RangeError is an exception type
boto3.UnknownParameterError is an exception type
boto3.AliasConflictParameterError is an exception type
boto3.PaginationError is an exception type
boto3.OperationNotPageableError is an exception type
boto3.ChecksumError is an exception type
boto3.UnseekableStreamError is an exception type
boto3.WaiterError is an exception type
boto3.IncompleteReadError is an exception type
boto3.InvalidExpressionError is an exception type
boto3.UnknownCredentialError is an exception type
boto3.WaiterConfigError is an exception type
boto3.UnknownClientMethodError is an exception type
boto3.UnsupportedSignatureVersionError is an exception type
boto3.ClientError is an exception type
boto3.EventStreamError is an exception type
boto3.InvalidDNSNameError is an exception type
boto3.InvalidS3AddressingStyleError is an exception type
boto3.InvalidRetryConfigurationError is an exception type
boto3.InvalidMaxRetryAttemptsError is an exception type
boto3.StubResponseError is an exception type
boto3.StubAssertionError is an exception type
boto3.UnStubbedResponseError is an exception type
boto3.InvalidConfigError is an exception type
boto3.InfiniteLoopConfigError is an exception type
boto3.RefreshWithMFAUnsupportedError is an exception type
boto3.MD5UnavailableError is an exception type
boto3.MetadataRetrievalError is an exception type
boto3.UndefinedModelAttributeError is an exception type
boto3.MissingServiceIdError is an exception type

回答 2

只是对@jarmod所指出的“资源上无exceptions”问题的更新（如果以下内容适用，请随时更新您的答案）

我已经测试了以下代码，并且运行正常。它采用“资源”为做的事情，但抓住了client.exceptions-当看着在异常时使用调试器，虽然它看起来“有点错……它测试好，异常类都出现了和匹配…

它可能不适用于所有资源和客户端，但适用于数据文件夹（也称为s3存储桶）。

lab_session = boto3.Session() 
c = lab_session.client('s3') #this client is only for exception catching

try:
    b = s3.Bucket(bucket)
    b.delete()
except c.exceptions.NoSuchBucket as e:
    #ignoring no such bucket exceptions
    logger.debug("Failed deleting bucket. Continuing. {}".format(e))
except Exception as e:
    #logging all the others as warning
    logger.warning("Failed deleting bucket. Continuing. {}".format(e))

希望这可以帮助…

点击查看英文原文

Just an update to the ‘no exceptions on resources’ problem as pointed to by @jarmod (do please feel free to update your answer if below seems applicable)

I have tested the below code and it runs fine. It uses ‘resources’ for doing things, but catches the client.exceptions – although it ‘looks’ somewhat wrong… it tests good, the exception classes are showing and matching when looked into using debugger at exception time…

It may not be applicable to all resources and clients, but works for data folders (aka s3 buckets).

lab_session = boto3.Session() 
c = lab_session.client('s3') #this client is only for exception catching

try:
    b = s3.Bucket(bucket)
    b.delete()
except c.exceptions.NoSuchBucket as e:
    #ignoring no such bucket exceptions
    logger.debug("Failed deleting bucket. Continuing. {}".format(e))
except Exception as e:
    #logging all the others as warning
    logger.warning("Failed deleting bucket. Continuing. {}".format(e))

Hope this helps…

回答 3

如前所述，您可以使用服务客户端（service_client.exceptions.<ExceptionClass>）或资源（service_resource.meta.client.exceptions.<ExceptionClass>）捕获某些错误，但是记录不充分（还有哪些异常属于哪些客户端）。因此，在撰写本文时（2020年1月），将在EU（爱尔兰）（eu-west-1）地区获得完整的映射：

import boto3, pprint

region_name = 'eu-west-1'
session = boto3.Session(region_name=region_name)
exceptions = {
  service: list(boto3.client('sts').exceptions._code_to_exception)
  for service in session.get_available_services()
}
pprint.pprint(exceptions, width=20000)

这是相当大的文档的子集：

{'acm': ['InvalidArnException', 'InvalidDomainValidationOptionsException', 'InvalidStateException', 'InvalidTagException', 'LimitExceededException', 'RequestInProgressException', 'ResourceInUseException', 'ResourceNotFoundException', 'TooManyTagsException'],
 'apigateway': ['BadRequestException', 'ConflictException', 'LimitExceededException', 'NotFoundException', 'ServiceUnavailableException', 'TooManyRequestsException', 'UnauthorizedException'],
 'athena': ['InternalServerException', 'InvalidRequestException', 'TooManyRequestsException'],
 'autoscaling': ['AlreadyExists', 'InvalidNextToken', 'LimitExceeded', 'ResourceContention', 'ResourceInUse', 'ScalingActivityInProgress', 'ServiceLinkedRoleFailure'],
 'cloudformation': ['AlreadyExistsException', 'ChangeSetNotFound', 'CreatedButModifiedException', 'InsufficientCapabilitiesException', 'InvalidChangeSetStatus', 'InvalidOperationException', 'LimitExceededException', 'NameAlreadyExistsException', 'OperationIdAlreadyExistsException', 'OperationInProgressException', 'OperationNotFoundException', 'StackInstanceNotFoundException', 'StackSetNotEmptyException', 'StackSetNotFoundException', 'StaleRequestException', 'TokenAlreadyExistsException'],
 'cloudfront': ['AccessDenied', 'BatchTooLarge', 'CNAMEAlreadyExists', 'CannotChangeImmutablePublicKeyFields', 'CloudFrontOriginAccessIdentityAlreadyExists', 'CloudFrontOriginAccessIdentityInUse', 'DistributionAlreadyExists', 'DistributionNotDisabled', 'FieldLevelEncryptionConfigAlreadyExists', 'FieldLevelEncryptionConfigInUse', 'FieldLevelEncryptionProfileAlreadyExists', 'FieldLevelEncryptionProfileInUse', 'FieldLevelEncryptionProfileSizeExceeded', 'IllegalFieldLevelEncryptionConfigAssociationWithCacheBehavior', 'IllegalUpdate', 'InconsistentQuantities', 'InvalidArgument', 'InvalidDefaultRootObject', 'InvalidErrorCode', 'InvalidForwardCookies', 'InvalidGeoRestrictionParameter', 'InvalidHeadersForS3Origin', 'InvalidIfMatchVersion', 'InvalidLambdaFunctionAssociation', 'InvalidLocationCode', 'InvalidMinimumProtocolVersion', 'InvalidOrigin', 'InvalidOriginAccessIdentity', 'InvalidOriginKeepaliveTimeout', 'InvalidOriginReadTimeout', 'InvalidProtocolSettings', 'InvalidQueryStringParameters', 'InvalidRelativePath', 'InvalidRequiredProtocol', 'InvalidResponseCode', 'InvalidTTLOrder', 'InvalidTagging', 'InvalidViewerCertificate', 'InvalidWebACLId', 'MissingBody', 'NoSuchCloudFrontOriginAccessIdentity', 'NoSuchDistribution', 'NoSuchFieldLevelEncryptionConfig', 'NoSuchFieldLevelEncryptionProfile', 'NoSuchInvalidation', 'NoSuchOrigin', 'NoSuchPublicKey', 'NoSuchResource', 'NoSuchStreamingDistribution', 'PreconditionFailed', 'PublicKeyAlreadyExists', 'PublicKeyInUse', 'QueryArgProfileEmpty', 'StreamingDistributionAlreadyExists', 'StreamingDistributionNotDisabled', 'TooManyCacheBehaviors', 'TooManyCertificates', 'TooManyCloudFrontOriginAccessIdentities', 'TooManyCookieNamesInWhiteList', 'TooManyDistributionCNAMEs', 'TooManyDistributions', 'TooManyDistributionsAssociatedToFieldLevelEncryptionConfig', 'TooManyDistributionsWithLambdaAssociations', 'TooManyFieldLevelEncryptionConfigs', 'TooManyFieldLevelEncryptionContentTypeProfiles', 'TooManyFieldLevelEncryptionEncryptionEntities', 'TooManyFieldLevelEncryptionFieldPatterns', 'TooManyFieldLevelEncryptionProfiles', 'TooManyFieldLevelEncryptionQueryArgProfiles', 'TooManyHeadersInForwardedValues', 'TooManyInvalidationsInProgress', 'TooManyLambdaFunctionAssociations', 'TooManyOriginCustomHeaders', 'TooManyOriginGroupsPerDistribution', 'TooManyOrigins', 'TooManyPublicKeys', 'TooManyQueryStringParameters', 'TooManyStreamingDistributionCNAMEs', 'TooManyStreamingDistributions', 'TooManyTrustedSigners', 'TrustedSignerDoesNotExist'],
 'cloudtrail': ['CloudTrailARNInvalidException', 'CloudTrailAccessNotEnabledException', 'CloudWatchLogsDeliveryUnavailableException', 'InsufficientDependencyServiceAccessPermissionException', 'InsufficientEncryptionPolicyException', 'InsufficientS3BucketPolicyException', 'InsufficientSnsTopicPolicyException', 'InvalidCloudWatchLogsLogGroupArnException', 'InvalidCloudWatchLogsRoleArnException', 'InvalidEventSelectorsException', 'InvalidHomeRegionException', 'InvalidKmsKeyIdException', 'InvalidLookupAttributesException', 'InvalidMaxResultsException', 'InvalidNextTokenException', 'InvalidParameterCombinationException', 'InvalidS3BucketNameException', 'InvalidS3PrefixException', 'InvalidSnsTopicNameException', 'InvalidTagParameterException', 'InvalidTimeRangeException', 'InvalidTokenException', 'InvalidTrailNameException', 'KmsException', 'KmsKeyDisabledException', 'KmsKeyNotFoundException', 'MaximumNumberOfTrailsExceededException', 'NotOrganizationMasterAccountException', 'OperationNotPermittedException', 'OrganizationNotInAllFeaturesModeException', 'OrganizationsNotInUseException', 'ResourceNotFoundException', 'ResourceTypeNotSupportedException', 'S3BucketDoesNotExistException', 'TagsLimitExceededException', 'TrailAlreadyExistsException', 'TrailNotFoundException', 'TrailNotProvidedException', 'UnsupportedOperationException'],
 'cloudwatch': ['InvalidParameterInput', 'ResourceNotFound', 'InternalServiceError', 'InvalidFormat', 'InvalidNextToken', 'InvalidParameterCombination', 'InvalidParameterValue', 'LimitExceeded', 'MissingParameter'],
 'codebuild': ['AccountLimitExceededException', 'InvalidInputException', 'OAuthProviderException', 'ResourceAlreadyExistsException', 'ResourceNotFoundException'],
 'config': ['InsufficientDeliveryPolicyException', 'InsufficientPermissionsException', 'InvalidConfigurationRecorderNameException', 'InvalidDeliveryChannelNameException', 'InvalidLimitException', 'InvalidNextTokenException', 'InvalidParameterValueException', 'InvalidRecordingGroupException', 'InvalidResultTokenException', 'InvalidRoleException', 'InvalidS3KeyPrefixException', 'InvalidSNSTopicARNException', 'InvalidTimeRangeException', 'LastDeliveryChannelDeleteFailedException', 'LimitExceededException', 'MaxNumberOfConfigRulesExceededException', 'MaxNumberOfConfigurationRecordersExceededException', 'MaxNumberOfDeliveryChannelsExceededException', 'MaxNumberOfRetentionConfigurationsExceededException', 'NoAvailableConfigurationRecorderException', 'NoAvailableDeliveryChannelException', 'NoAvailableOrganizationException', 'NoRunningConfigurationRecorderException', 'NoSuchBucketException', 'NoSuchConfigRuleException', 'NoSuchConfigurationAggregatorException', 'NoSuchConfigurationRecorderException', 'NoSuchDeliveryChannelException', 'NoSuchRetentionConfigurationException', 'OrganizationAccessDeniedException', 'OrganizationAllFeaturesNotEnabledException', 'OversizedConfigurationItemException', 'ResourceInUseException', 'ResourceNotDiscoveredException', 'ValidationException'],
 'dynamodb': ['BackupInUseException', 'BackupNotFoundException', 'ConditionalCheckFailedException', 'ContinuousBackupsUnavailableException', 'GlobalTableAlreadyExistsException', 'GlobalTableNotFoundException', 'IdempotentParameterMismatchException', 'IndexNotFoundException', 'InternalServerError', 'InvalidRestoreTimeException', 'ItemCollectionSizeLimitExceededException', 'LimitExceededException', 'PointInTimeRecoveryUnavailableException', 'ProvisionedThroughputExceededException', 'ReplicaAlreadyExistsException', 'ReplicaNotFoundException', 'RequestLimitExceeded', 'ResourceInUseException', 'ResourceNotFoundException', 'TableAlreadyExistsException', 'TableInUseException', 'TableNotFoundException', 'TransactionCanceledException', 'TransactionConflictException', 'TransactionInProgressException'],
 'ec2': [],
 'ecr': ['EmptyUploadException', 'ImageAlreadyExistsException', 'ImageNotFoundException', 'InvalidLayerException', 'InvalidLayerPartException', 'InvalidParameterException', 'InvalidTagParameterException', 'LayerAlreadyExistsException', 'LayerInaccessibleException', 'LayerPartTooSmallException', 'LayersNotFoundException', 'LifecyclePolicyNotFoundException', 'LifecyclePolicyPreviewInProgressException', 'LifecyclePolicyPreviewNotFoundException', 'LimitExceededException', 'RepositoryAlreadyExistsException', 'RepositoryNotEmptyException', 'RepositoryNotFoundException', 'RepositoryPolicyNotFoundException', 'ServerException', 'TooManyTagsException', 'UploadNotFoundException'],
 'ecs': ['AccessDeniedException', 'AttributeLimitExceededException', 'BlockedException', 'ClientException', 'ClusterContainsContainerInstancesException', 'ClusterContainsServicesException', 'ClusterContainsTasksException', 'ClusterNotFoundException', 'InvalidParameterException', 'MissingVersionException', 'NoUpdateAvailableException', 'PlatformTaskDefinitionIncompatibilityException', 'PlatformUnknownException', 'ResourceNotFoundException', 'ServerException', 'ServiceNotActiveException', 'ServiceNotFoundException', 'TargetNotFoundException', 'UnsupportedFeatureException', 'UpdateInProgressException'],
 'efs': ['BadRequest', 'DependencyTimeout', 'FileSystemAlreadyExists', 'FileSystemInUse', 'FileSystemLimitExceeded', 'FileSystemNotFound', 'IncorrectFileSystemLifeCycleState', 'IncorrectMountTargetState', 'InsufficientThroughputCapacity', 'InternalServerError', 'IpAddressInUse', 'MountTargetConflict', 'MountTargetNotFound', 'NetworkInterfaceLimitExceeded', 'NoFreeAddressesInSubnet', 'SecurityGroupLimitExceeded', 'SecurityGroupNotFound', 'SubnetNotFound', 'ThroughputLimitExceeded', 'TooManyRequests', 'UnsupportedAvailabilityZone'],
 'eks': ['ClientException', 'InvalidParameterException', 'InvalidRequestException', 'ResourceInUseException', 'ResourceLimitExceededException', 'ResourceNotFoundException', 'ServerException', 'ServiceUnavailableException', 'UnsupportedAvailabilityZoneException'],
 'elasticache': ['APICallRateForCustomerExceeded', 'AuthorizationAlreadyExists', 'AuthorizationNotFound', 'CacheClusterAlreadyExists', 'CacheClusterNotFound', 'CacheParameterGroupAlreadyExists', 'CacheParameterGroupNotFound', 'CacheParameterGroupQuotaExceeded', 'CacheSecurityGroupAlreadyExists', 'CacheSecurityGroupNotFound', 'QuotaExceeded.CacheSecurityGroup', 'CacheSubnetGroupAlreadyExists', 'CacheSubnetGroupInUse', 'CacheSubnetGroupNotFoundFault', 'CacheSubnetGroupQuotaExceeded', 'CacheSubnetQuotaExceededFault', 'ClusterQuotaForCustomerExceeded', 'InsufficientCacheClusterCapacity', 'InvalidARN', 'InvalidCacheClusterState', 'InvalidCacheParameterGroupState', 'InvalidCacheSecurityGroupState', 'InvalidParameterCombination', 'InvalidParameterValue', 'InvalidReplicationGroupState', 'InvalidSnapshotState', 'InvalidSubnet', 'InvalidVPCNetworkStateFault', 'NoOperationFault', 'NodeGroupNotFoundFault', 'NodeGroupsPerReplicationGroupQuotaExceeded', 'NodeQuotaForClusterExceeded', 'NodeQuotaForCustomerExceeded', 'ReplicationGroupAlreadyExists', 'ReplicationGroupNotFoundFault', 'ReservedCacheNodeAlreadyExists', 'ReservedCacheNodeNotFound', 'ReservedCacheNodeQuotaExceeded', 'ReservedCacheNodesOfferingNotFound', 'ServiceLinkedRoleNotFoundFault', 'SnapshotAlreadyExistsFault', 'SnapshotFeatureNotSupportedFault', 'SnapshotNotFoundFault', 'SnapshotQuotaExceededFault', 'SubnetInUse', 'TagNotFound', 'TagQuotaPerResourceExceeded', 'TestFailoverNotAvailableFault'],
 'elasticbeanstalk': ['CodeBuildNotInServiceRegionException', 'ElasticBeanstalkServiceException', 'InsufficientPrivilegesException', 'InvalidRequestException', 'ManagedActionInvalidStateException', 'OperationInProgressFailure', 'PlatformVersionStillReferencedException', 'ResourceNotFoundException', 'ResourceTypeNotSupportedException', 'S3LocationNotInServiceRegionException', 'S3SubscriptionRequiredException', 'SourceBundleDeletionFailure', 'TooManyApplicationVersionsException', 'TooManyApplicationsException', 'TooManyBucketsException', 'TooManyConfigurationTemplatesException', 'TooManyEnvironmentsException', 'TooManyPlatformsException', 'TooManyTagsException'],
 'elb': ['LoadBalancerNotFound', 'CertificateNotFound', 'DependencyThrottle', 'DuplicateLoadBalancerName', 'DuplicateListener', 'DuplicatePolicyName', 'DuplicateTagKeys', 'InvalidConfigurationRequest', 'InvalidInstance', 'InvalidScheme', 'InvalidSecurityGroup', 'InvalidSubnet', 'ListenerNotFound', 'LoadBalancerAttributeNotFound', 'OperationNotPermitted', 'PolicyNotFound', 'PolicyTypeNotFound', 'SubnetNotFound', 'TooManyLoadBalancers', 'TooManyPolicies', 'TooManyTags', 'UnsupportedProtocol'],
 'emr': ['InternalServerError', 'InternalServerException', 'InvalidRequestException'],
 'es': ['BaseException', 'DisabledOperationException', 'InternalException', 'InvalidTypeException', 'LimitExceededException', 'ResourceAlreadyExistsException', 'ResourceNotFoundException', 'ValidationException'],
 'events': ['ConcurrentModificationException', 'InternalException', 'InvalidEventPatternException', 'LimitExceededException', 'ManagedRuleException', 'PolicyLengthExceededException', 'ResourceNotFoundException'],
 'firehose': ['ConcurrentModificationException', 'InvalidArgumentException', 'LimitExceededException', 'ResourceInUseException', 'ResourceNotFoundException', 'ServiceUnavailableException'],
 'glacier': ['InsufficientCapacityException', 'InvalidParameterValueException', 'LimitExceededException', 'MissingParameterValueException', 'PolicyEnforcedException', 'RequestTimeoutException', 'ResourceNotFoundException', 'ServiceUnavailableException'],
 'glue': ['AccessDeniedException', 'AlreadyExistsException', 'ConcurrentModificationException', 'ConcurrentRunsExceededException', 'ConditionCheckFailureException', 'CrawlerNotRunningException', 'CrawlerRunningException', 'CrawlerStoppingException', 'EntityNotFoundException', 'GlueEncryptionException', 'IdempotentParameterMismatchException', 'InternalServiceException', 'InvalidInputException', 'NoScheduleException', 'OperationTimeoutException', 'ResourceNumberLimitExceededException', 'SchedulerNotRunningException', 'SchedulerRunningException', 'SchedulerTransitioningException', 'ValidationException', 'VersionMismatchException'],
 'iam': ['ConcurrentModification', 'ReportExpired', 'ReportNotPresent', 'ReportInProgress', 'DeleteConflict', 'DuplicateCertificate', 'DuplicateSSHPublicKey', 'EntityAlreadyExists', 'EntityTemporarilyUnmodifiable', 'InvalidAuthenticationCode', 'InvalidCertificate', 'InvalidInput', 'InvalidPublicKey', 'InvalidUserType', 'KeyPairMismatch', 'LimitExceeded', 'MalformedCertificate', 'MalformedPolicyDocument', 'NoSuchEntity', 'PasswordPolicyViolation', 'PolicyEvaluation', 'PolicyNotAttachable', 'ServiceFailure', 'NotSupportedService', 'UnmodifiableEntity', 'UnrecognizedPublicKeyEncoding'],
 'kinesis': ['ExpiredIteratorException', 'ExpiredNextTokenException', 'InternalFailureException', 'InvalidArgumentException', 'KMSAccessDeniedException', 'KMSDisabledException', 'KMSInvalidStateException', 'KMSNotFoundException', 'KMSOptInRequired', 'KMSThrottlingException', 'LimitExceededException', 'ProvisionedThroughputExceededException', 'ResourceInUseException', 'ResourceNotFoundException'],
 'kms': ['AlreadyExistsException', 'CloudHsmClusterInUseException', 'CloudHsmClusterInvalidConfigurationException', 'CloudHsmClusterNotActiveException', 'CloudHsmClusterNotFoundException', 'CloudHsmClusterNotRelatedException', 'CustomKeyStoreHasCMKsException', 'CustomKeyStoreInvalidStateException', 'CustomKeyStoreNameInUseException', 'CustomKeyStoreNotFoundException', 'DependencyTimeoutException', 'DisabledException', 'ExpiredImportTokenException', 'IncorrectKeyMaterialException', 'IncorrectTrustAnchorException', 'InvalidAliasNameException', 'InvalidArnException', 'InvalidCiphertextException', 'InvalidGrantIdException', 'InvalidGrantTokenException', 'InvalidImportTokenException', 'InvalidKeyUsageException', 'InvalidMarkerException', 'KMSInternalException', 'KMSInvalidStateException', 'KeyUnavailableException', 'LimitExceededException', 'MalformedPolicyDocumentException', 'NotFoundException', 'TagException', 'UnsupportedOperationException'],
 'lambda': ['CodeStorageExceededException', 'EC2AccessDeniedException', 'EC2ThrottledException', 'EC2UnexpectedException', 'ENILimitReachedException', 'InvalidParameterValueException', 'InvalidRequestContentException', 'InvalidRuntimeException', 'InvalidSecurityGroupIDException', 'InvalidSubnetIDException', 'InvalidZipFileException', 'KMSAccessDeniedException', 'KMSDisabledException', 'KMSInvalidStateException', 'KMSNotFoundException', 'PolicyLengthExceededException', 'PreconditionFailedException', 'RequestTooLargeException', 'ResourceConflictException', 'ResourceInUseException', 'ResourceNotFoundException', 'ServiceException', 'SubnetIPAddressLimitReachedException', 'TooManyRequestsException', 'UnsupportedMediaTypeException'],
 'logs': ['DataAlreadyAcceptedException', 'InvalidOperationException', 'InvalidParameterException', 'InvalidSequenceTokenException', 'LimitExceededException', 'MalformedQueryException', 'OperationAbortedException', 'ResourceAlreadyExistsException', 'ResourceNotFoundException', 'ServiceUnavailableException', 'UnrecognizedClientException'],
 'neptune': ['AuthorizationNotFound', 'CertificateNotFound', 'DBClusterAlreadyExistsFault', 'DBClusterNotFoundFault', 'DBClusterParameterGroupNotFound', 'DBClusterQuotaExceededFault', 'DBClusterRoleAlreadyExists', 'DBClusterRoleNotFound', 'DBClusterRoleQuotaExceeded', 'DBClusterSnapshotAlreadyExistsFault', 'DBClusterSnapshotNotFoundFault', 'DBInstanceAlreadyExists', 'DBInstanceNotFound', 'DBParameterGroupAlreadyExists', 'DBParameterGroupNotFound', 'DBParameterGroupQuotaExceeded', 'DBSecurityGroupNotFound', 'DBSnapshotAlreadyExists', 'DBSnapshotNotFound', 'DBSubnetGroupAlreadyExists', 'DBSubnetGroupDoesNotCoverEnoughAZs', 'DBSubnetGroupNotFoundFault', 'DBSubnetGroupQuotaExceeded', 'DBSubnetQuotaExceededFault', 'DBUpgradeDependencyFailure', 'DomainNotFoundFault', 'EventSubscriptionQuotaExceeded', 'InstanceQuotaExceeded', 'InsufficientDBClusterCapacityFault', 'InsufficientDBInstanceCapacity', 'InsufficientStorageClusterCapacity', 'InvalidDBClusterSnapshotStateFault', 'InvalidDBClusterStateFault', 'InvalidDBInstanceState', 'InvalidDBParameterGroupState', 'InvalidDBSecurityGroupState', 'InvalidDBSnapshotState', 'InvalidDBSubnetGroupStateFault', 'InvalidDBSubnetStateFault', 'InvalidEventSubscriptionState', 'InvalidRestoreFault', 'InvalidSubnet', 'InvalidVPCNetworkStateFault', 'KMSKeyNotAccessibleFault', 'OptionGroupNotFoundFault', 'ProvisionedIopsNotAvailableInAZFault', 'ResourceNotFoundFault', 'SNSInvalidTopic', 'SNSNoAuthorization', 'SNSTopicArnNotFound', 'SharedSnapshotQuotaExceeded', 'SnapshotQuotaExceeded', 'SourceNotFound', 'StorageQuotaExceeded', 'StorageTypeNotSupported', 'SubnetAlreadyInUse', 'SubscriptionAlreadyExist', 'SubscriptionCategoryNotFound', 'SubscriptionNotFound'],
 'rds': ['AuthorizationAlreadyExists', 'AuthorizationNotFound', 'AuthorizationQuotaExceeded', 'BackupPolicyNotFoundFault', 'CertificateNotFound', 'DBClusterAlreadyExistsFault', 'DBClusterBacktrackNotFoundFault', 'DBClusterEndpointAlreadyExistsFault', 'DBClusterEndpointNotFoundFault', 'DBClusterEndpointQuotaExceededFault', 'DBClusterNotFoundFault', 'DBClusterParameterGroupNotFound', 'DBClusterQuotaExceededFault', 'DBClusterRoleAlreadyExists', 'DBClusterRoleNotFound', 'DBClusterRoleQuotaExceeded', 'DBClusterSnapshotAlreadyExistsFault', 'DBClusterSnapshotNotFoundFault', 'DBInstanceAlreadyExists', 'DBInstanceAutomatedBackupNotFound', 'DBInstanceAutomatedBackupQuotaExceeded', 'DBInstanceNotFound', 'DBInstanceRoleAlreadyExists', 'DBInstanceRoleNotFound', 'DBInstanceRoleQuotaExceeded', 'DBLogFileNotFoundFault', 'DBParameterGroupAlreadyExists', 'DBParameterGroupNotFound', 'DBParameterGroupQuotaExceeded', 'DBSecurityGroupAlreadyExists', 'DBSecurityGroupNotFound', 'DBSecurityGroupNotSupported', 'QuotaExceeded.DBSecurityGroup', 'DBSnapshotAlreadyExists', 'DBSnapshotNotFound', 'DBSubnetGroupAlreadyExists', 'DBSubnetGroupDoesNotCoverEnoughAZs', 'DBSubnetGroupNotAllowedFault', 'DBSubnetGroupNotFoundFault', 'DBSubnetGroupQuotaExceeded', 'DBSubnetQuotaExceededFault', 'DBUpgradeDependencyFailure', 'DomainNotFoundFault', 'EventSubscriptionQuotaExceeded', 'GlobalClusterAlreadyExistsFault', 'GlobalClusterNotFoundFault', 'GlobalClusterQuotaExceededFault', 'InstanceQuotaExceeded', 'InsufficientDBClusterCapacityFault', 'InsufficientDBInstanceCapacity', 'InsufficientStorageClusterCapacity', 'InvalidDBClusterCapacityFault', 'InvalidDBClusterEndpointStateFault', 'InvalidDBClusterSnapshotStateFault', 'InvalidDBClusterStateFault', 'InvalidDBInstanceAutomatedBackupState', 'InvalidDBInstanceState', 'InvalidDBParameterGroupState', 'InvalidDBSecurityGroupState', 'InvalidDBSnapshotState', 'InvalidDBSubnetGroupFault', 'InvalidDBSubnetGroupStateFault', 'InvalidDBSubnetStateFault', 'InvalidEventSubscriptionState', 'InvalidGlobalClusterStateFault', 'InvalidOptionGroupStateFault', 'InvalidRestoreFault', 'InvalidS3BucketFault', 'InvalidSubnet', 'InvalidVPCNetworkStateFault', 'KMSKeyNotAccessibleFault', 'OptionGroupAlreadyExistsFault', 'OptionGroupNotFoundFault', 'OptionGroupQuotaExceededFault', 'PointInTimeRestoreNotEnabled', 'ProvisionedIopsNotAvailableInAZFault', 'ReservedDBInstanceAlreadyExists', 'ReservedDBInstanceNotFound', 'ReservedDBInstanceQuotaExceeded', 'ReservedDBInstancesOfferingNotFound', 'ResourceNotFoundFault', 'SNSInvalidTopic', 'SNSNoAuthorization', 'SNSTopicArnNotFound', 'SharedSnapshotQuotaExceeded', 'SnapshotQuotaExceeded', 'SourceNotFound', 'StorageQuotaExceeded', 'StorageTypeNotSupported', 'SubnetAlreadyInUse', 'SubscriptionAlreadyExist', 'SubscriptionCategoryNotFound', 'SubscriptionNotFound'],
 'route53': ['ConcurrentModification', 'ConflictingDomainExists', 'ConflictingTypes', 'DelegationSetAlreadyCreated', 'DelegationSetAlreadyReusable', 'DelegationSetInUse', 'DelegationSetNotAvailable', 'DelegationSetNotReusable', 'HealthCheckAlreadyExists', 'HealthCheckInUse', 'HealthCheckVersionMismatch', 'HostedZoneAlreadyExists', 'HostedZoneNotEmpty', 'HostedZoneNotFound', 'HostedZoneNotPrivate', 'IncompatibleVersion', 'InsufficientCloudWatchLogsResourcePolicy', 'InvalidArgument', 'InvalidChangeBatch', 'InvalidDomainName', 'InvalidInput', 'InvalidPaginationToken', 'InvalidTrafficPolicyDocument', 'InvalidVPCId', 'LastVPCAssociation', 'LimitsExceeded', 'NoSuchChange', 'NoSuchCloudWatchLogsLogGroup', 'NoSuchDelegationSet', 'NoSuchGeoLocation', 'NoSuchHealthCheck', 'NoSuchHostedZone', 'NoSuchQueryLoggingConfig', 'NoSuchTrafficPolicy', 'NoSuchTrafficPolicyInstance', 'NotAuthorizedException', 'PriorRequestNotComplete', 'PublicZoneVPCAssociation', 'QueryLoggingConfigAlreadyExists', 'ThrottlingException', 'TooManyHealthChecks', 'TooManyHostedZones', 'TooManyTrafficPolicies', 'TooManyTrafficPolicyInstances', 'TooManyTrafficPolicyVersionsForCurrentPolicy', 'TooManyVPCAssociationAuthorizations', 'TrafficPolicyAlreadyExists', 'TrafficPolicyInUse', 'TrafficPolicyInstanceAlreadyExists', 'VPCAssociationAuthorizationNotFound', 'VPCAssociationNotFound'],
 's3': ['BucketAlreadyExists', 'BucketAlreadyOwnedByYou', 'NoSuchBucket', 'NoSuchKey', 'NoSuchUpload', 'ObjectAlreadyInActiveTierError', 'ObjectNotInActiveTierError'],
 'sagemaker': ['ResourceInUse', 'ResourceLimitExceeded', 'ResourceNotFound'],
 'secretsmanager': ['DecryptionFailure', 'EncryptionFailure', 'InternalServiceError', 'InvalidNextTokenException', 'InvalidParameterException', 'InvalidRequestException', 'LimitExceededException', 'MalformedPolicyDocumentException', 'PreconditionNotMetException', 'ResourceExistsException', 'ResourceNotFoundException'],
 'ses': ['AccountSendingPausedException', 'AlreadyExists', 'CannotDelete', 'ConfigurationSetAlreadyExists', 'ConfigurationSetDoesNotExist', 'ConfigurationSetSendingPausedException', 'CustomVerificationEmailInvalidContent', 'CustomVerificationEmailTemplateAlreadyExists', 'CustomVerificationEmailTemplateDoesNotExist', 'EventDestinationAlreadyExists', 'EventDestinationDoesNotExist', 'FromEmailAddressNotVerified', 'InvalidCloudWatchDestination', 'InvalidConfigurationSet', 'InvalidFirehoseDestination', 'InvalidLambdaFunction', 'InvalidPolicy', 'InvalidRenderingParameter', 'InvalidS3Configuration', 'InvalidSNSDestination', 'InvalidSnsTopic', 'InvalidTemplate', 'InvalidTrackingOptions', 'LimitExceeded', 'MailFromDomainNotVerifiedException', 'MessageRejected', 'MissingRenderingAttribute', 'ProductionAccessNotGranted', 'RuleDoesNotExist', 'RuleSetDoesNotExist', 'TemplateDoesNotExist', 'TrackingOptionsAlreadyExistsException', 'TrackingOptionsDoesNotExistException'],
 'sns': ['AuthorizationError', 'EndpointDisabled', 'FilterPolicyLimitExceeded', 'InternalError', 'InvalidParameter', 'ParameterValueInvalid', 'InvalidSecurity', 'KMSAccessDenied', 'KMSDisabled', 'KMSInvalidState', 'KMSNotFound', 'KMSOptInRequired', 'KMSThrottling', 'NotFound', 'PlatformApplicationDisabled', 'SubscriptionLimitExceeded', 'Throttled', 'TopicLimitExceeded'],
 'sqs': ['AWS.SimpleQueueService.BatchEntryIdsNotDistinct', 'AWS.SimpleQueueService.BatchRequestTooLong', 'AWS.SimpleQueueService.EmptyBatchRequest', 'InvalidAttributeName', 'AWS.SimpleQueueService.InvalidBatchEntryId', 'InvalidIdFormat', 'InvalidMessageContents', 'AWS.SimpleQueueService.MessageNotInflight', 'OverLimit', 'AWS.SimpleQueueService.PurgeQueueInProgress', 'AWS.SimpleQueueService.QueueDeletedRecently', 'AWS.SimpleQueueService.NonExistentQueue', 'QueueAlreadyExists', 'ReceiptHandleIsInvalid', 'AWS.SimpleQueueService.TooManyEntriesInBatchRequest', 'AWS.SimpleQueueService.UnsupportedOperation'],
 'ssm': ['AlreadyExistsException', 'AssociatedInstances', 'AssociationAlreadyExists', 'AssociationDoesNotExist', 'AssociationExecutionDoesNotExist', 'AssociationLimitExceeded', 'AssociationVersionLimitExceeded', 'AutomationDefinitionNotFoundException', 'AutomationDefinitionVersionNotFoundException', 'AutomationExecutionLimitExceededException', 'AutomationExecutionNotFoundException', 'AutomationStepNotFoundException', 'ComplianceTypeCountLimitExceededException', 'CustomSchemaCountLimitExceededException', 'DocumentAlreadyExists', 'DocumentLimitExceeded', 'DocumentPermissionLimit', 'DocumentVersionLimitExceeded', 'DoesNotExistException', 'DuplicateDocumentContent', 'DuplicateDocumentVersionName', 'DuplicateInstanceId', 'FeatureNotAvailableException', 'HierarchyLevelLimitExceededException', 'HierarchyTypeMismatchException', 'IdempotentParameterMismatch', 'InternalServerError', 'InvalidActivation', 'InvalidActivationId', 'InvalidAggregatorException', 'InvalidAllowedPatternException', 'InvalidAssociation', 'InvalidAssociationVersion', 'InvalidAutomationExecutionParametersException', 'InvalidAutomationSignalException', 'InvalidAutomationStatusUpdateException', 'InvalidCommandId', 'InvalidDeleteInventoryParametersException', 'InvalidDeletionIdException', 'InvalidDocument', 'InvalidDocumentContent', 'InvalidDocumentOperation', 'InvalidDocumentSchemaVersion', 'InvalidDocumentVersion', 'InvalidFilter', 'InvalidFilterKey', 'InvalidFilterOption', 'InvalidFilterValue', 'InvalidInstanceId', 'InvalidInstanceInformationFilterValue', 'InvalidInventoryGroupException', 'InvalidInventoryItemContextException', 'InvalidInventoryRequestException', 'InvalidItemContentException', 'InvalidKeyId', 'InvalidNextToken', 'InvalidNotificationConfig', 'InvalidOptionException', 'InvalidOutputFolder', 'InvalidOutputLocation', 'InvalidParameters', 'InvalidPermissionType', 'InvalidPluginName', 'InvalidResourceId', 'InvalidResourceType', 'InvalidResultAttributeException', 'InvalidRole', 'InvalidSchedule', 'InvalidTarget', 'InvalidTypeNameException', 'InvalidUpdate', 'InvocationDoesNotExist', 'ItemContentMismatchException', 'ItemSizeLimitExceededException', 'MaxDocumentSizeExceeded', 'ParameterAlreadyExists', 'ParameterLimitExceeded', 'ParameterMaxVersionLimitExceeded', 'ParameterNotFound', 'ParameterPatternMismatchException', 'ParameterVersionLabelLimitExceeded', 'ParameterVersionNotFound', 'ResourceDataSyncAlreadyExistsException', 'ResourceDataSyncCountExceededException', 'ResourceDataSyncInvalidConfigurationException', 'ResourceDataSyncNotFoundException', 'ResourceInUseException', 'ResourceLimitExceededException', 'StatusUnchanged', 'SubTypeCountLimitExceededException', 'TargetInUseException', 'TargetNotConnected', 'TooManyTagsError', 'TooManyUpdates', 'TotalSizeLimitExceededException', 'UnsupportedInventoryItemContextException', 'UnsupportedInventorySchemaVersionException', 'UnsupportedOperatingSystem', 'UnsupportedParameterType', 'UnsupportedPlatformType'],
 'stepfunctions': ['ActivityDoesNotExist', 'ActivityLimitExceeded', 'ActivityWorkerLimitExceeded', 'ExecutionAlreadyExists', 'ExecutionDoesNotExist', 'ExecutionLimitExceeded', 'InvalidArn', 'InvalidDefinition', 'InvalidExecutionInput', 'InvalidName', 'InvalidOutput', 'InvalidToken', 'MissingRequiredParameter', 'ResourceNotFound', 'StateMachineAlreadyExists', 'StateMachineDeleting', 'StateMachineDoesNotExist', 'StateMachineLimitExceeded', 'TaskDoesNotExist', 'TaskTimedOut', 'TooManyTags'],
 'sts': ['ExpiredTokenException', 'IDPCommunicationError', 'IDPRejectedClaim', 'InvalidAuthorizationMessageException', 'InvalidIdentityToken', 'MalformedPolicyDocument', 'PackedPolicyTooLarge', 'RegionDisabledException'],
 'xray': ['InvalidRequestException', 'RuleLimitExceededException', 'ThrottledException']}
点击查看英文原文

As a few others already mentioned, you can catch certain errors using the service client (service_client.exceptions.<ExceptionClass>) or resource (service_resource.meta.client.exceptions.<ExceptionClass>), however it is not well documented (also which exceptions belong to which clients). So here is how to get the complete mapping at time of writing (January 2020) in region EU (Ireland) (eu-west-1):

import boto3, pprint

region_name = 'eu-west-1'
session = boto3.Session(region_name=region_name)
exceptions = {
  service: list(boto3.client('sts').exceptions._code_to_exception)
  for service in session.get_available_services()
}
pprint.pprint(exceptions, width=20000)

Here is a subset of the pretty large document:

{'acm': ['InvalidArnException', 'InvalidDomainValidationOptionsException', 'InvalidStateException', 'InvalidTagException', 'LimitExceededException', 'RequestInProgressException', 'ResourceInUseException', 'ResourceNotFoundException', 'TooManyTagsException'],
 'apigateway': ['BadRequestException', 'ConflictException', 'LimitExceededException', 'NotFoundException', 'ServiceUnavailableException', 'TooManyRequestsException', 'UnauthorizedException'],
 'athena': ['InternalServerException', 'InvalidRequestException', 'TooManyRequestsException'],
 'autoscaling': ['AlreadyExists', 'InvalidNextToken', 'LimitExceeded', 'ResourceContention', 'ResourceInUse', 'ScalingActivityInProgress', 'ServiceLinkedRoleFailure'],
 'cloudformation': ['AlreadyExistsException', 'ChangeSetNotFound', 'CreatedButModifiedException', 'InsufficientCapabilitiesException', 'InvalidChangeSetStatus', 'InvalidOperationException', 'LimitExceededException', 'NameAlreadyExistsException', 'OperationIdAlreadyExistsException', 'OperationInProgressException', 'OperationNotFoundException', 'StackInstanceNotFoundException', 'StackSetNotEmptyException', 'StackSetNotFoundException', 'StaleRequestException', 'TokenAlreadyExistsException'],
 'cloudfront': ['AccessDenied', 'BatchTooLarge', 'CNAMEAlreadyExists', 'CannotChangeImmutablePublicKeyFields', 'CloudFrontOriginAccessIdentityAlreadyExists', 'CloudFrontOriginAccessIdentityInUse', 'DistributionAlreadyExists', 'DistributionNotDisabled', 'FieldLevelEncryptionConfigAlreadyExists', 'FieldLevelEncryptionConfigInUse', 'FieldLevelEncryptionProfileAlreadyExists', 'FieldLevelEncryptionProfileInUse', 'FieldLevelEncryptionProfileSizeExceeded', 'IllegalFieldLevelEncryptionConfigAssociationWithCacheBehavior', 'IllegalUpdate', 'InconsistentQuantities', 'InvalidArgument', 'InvalidDefaultRootObject', 'InvalidErrorCode', 'InvalidForwardCookies', 'InvalidGeoRestrictionParameter', 'InvalidHeadersForS3Origin', 'InvalidIfMatchVersion', 'InvalidLambdaFunctionAssociation', 'InvalidLocationCode', 'InvalidMinimumProtocolVersion', 'InvalidOrigin', 'InvalidOriginAccessIdentity', 'InvalidOriginKeepaliveTimeout', 'InvalidOriginReadTimeout', 'InvalidProtocolSettings', 'InvalidQueryStringParameters', 'InvalidRelativePath', 'InvalidRequiredProtocol', 'InvalidResponseCode', 'InvalidTTLOrder', 'InvalidTagging', 'InvalidViewerCertificate', 'InvalidWebACLId', 'MissingBody', 'NoSuchCloudFrontOriginAccessIdentity', 'NoSuchDistribution', 'NoSuchFieldLevelEncryptionConfig', 'NoSuchFieldLevelEncryptionProfile', 'NoSuchInvalidation', 'NoSuchOrigin', 'NoSuchPublicKey', 'NoSuchResource', 'NoSuchStreamingDistribution', 'PreconditionFailed', 'PublicKeyAlreadyExists', 'PublicKeyInUse', 'QueryArgProfileEmpty', 'StreamingDistributionAlreadyExists', 'StreamingDistributionNotDisabled', 'TooManyCacheBehaviors', 'TooManyCertificates', 'TooManyCloudFrontOriginAccessIdentities', 'TooManyCookieNamesInWhiteList', 'TooManyDistributionCNAMEs', 'TooManyDistributions', 'TooManyDistributionsAssociatedToFieldLevelEncryptionConfig', 'TooManyDistributionsWithLambdaAssociations', 'TooManyFieldLevelEncryptionConfigs', 'TooManyFieldLevelEncryptionContentTypeProfiles', 'TooManyFieldLevelEncryptionEncryptionEntities', 'TooManyFieldLevelEncryptionFieldPatterns', 'TooManyFieldLevelEncryptionProfiles', 'TooManyFieldLevelEncryptionQueryArgProfiles', 'TooManyHeadersInForwardedValues', 'TooManyInvalidationsInProgress', 'TooManyLambdaFunctionAssociations', 'TooManyOriginCustomHeaders', 'TooManyOriginGroupsPerDistribution', 'TooManyOrigins', 'TooManyPublicKeys', 'TooManyQueryStringParameters', 'TooManyStreamingDistributionCNAMEs', 'TooManyStreamingDistributions', 'TooManyTrustedSigners', 'TrustedSignerDoesNotExist'],
 'cloudtrail': ['CloudTrailARNInvalidException', 'CloudTrailAccessNotEnabledException', 'CloudWatchLogsDeliveryUnavailableException', 'InsufficientDependencyServiceAccessPermissionException', 'InsufficientEncryptionPolicyException', 'InsufficientS3BucketPolicyException', 'InsufficientSnsTopicPolicyException', 'InvalidCloudWatchLogsLogGroupArnException', 'InvalidCloudWatchLogsRoleArnException', 'InvalidEventSelectorsException', 'InvalidHomeRegionException', 'InvalidKmsKeyIdException', 'InvalidLookupAttributesException', 'InvalidMaxResultsException', 'InvalidNextTokenException', 'InvalidParameterCombinationException', 'InvalidS3BucketNameException', 'InvalidS3PrefixException', 'InvalidSnsTopicNameException', 'InvalidTagParameterException', 'InvalidTimeRangeException', 'InvalidTokenException', 'InvalidTrailNameException', 'KmsException', 'KmsKeyDisabledException', 'KmsKeyNotFoundException', 'MaximumNumberOfTrailsExceededException', 'NotOrganizationMasterAccountException', 'OperationNotPermittedException', 'OrganizationNotInAllFeaturesModeException', 'OrganizationsNotInUseException', 'ResourceNotFoundException', 'ResourceTypeNotSupportedException', 'S3BucketDoesNotExistException', 'TagsLimitExceededException', 'TrailAlreadyExistsException', 'TrailNotFoundException', 'TrailNotProvidedException', 'UnsupportedOperationException'],
 'cloudwatch': ['InvalidParameterInput', 'ResourceNotFound', 'InternalServiceError', 'InvalidFormat', 'InvalidNextToken', 'InvalidParameterCombination', 'InvalidParameterValue', 'LimitExceeded', 'MissingParameter'],
 'codebuild': ['AccountLimitExceededException', 'InvalidInputException', 'OAuthProviderException', 'ResourceAlreadyExistsException', 'ResourceNotFoundException'],
 'config': ['InsufficientDeliveryPolicyException', 'InsufficientPermissionsException', 'InvalidConfigurationRecorderNameException', 'InvalidDeliveryChannelNameException', 'InvalidLimitException', 'InvalidNextTokenException', 'InvalidParameterValueException', 'InvalidRecordingGroupException', 'InvalidResultTokenException', 'InvalidRoleException', 'InvalidS3KeyPrefixException', 'InvalidSNSTopicARNException', 'InvalidTimeRangeException', 'LastDeliveryChannelDeleteFailedException', 'LimitExceededException', 'MaxNumberOfConfigRulesExceededException', 'MaxNumberOfConfigurationRecordersExceededException', 'MaxNumberOfDeliveryChannelsExceededException', 'MaxNumberOfRetentionConfigurationsExceededException', 'NoAvailableConfigurationRecorderException', 'NoAvailableDeliveryChannelException', 'NoAvailableOrganizationException', 'NoRunningConfigurationRecorderException', 'NoSuchBucketException', 'NoSuchConfigRuleException', 'NoSuchConfigurationAggregatorException', 'NoSuchConfigurationRecorderException', 'NoSuchDeliveryChannelException', 'NoSuchRetentionConfigurationException', 'OrganizationAccessDeniedException', 'OrganizationAllFeaturesNotEnabledException', 'OversizedConfigurationItemException', 'ResourceInUseException', 'ResourceNotDiscoveredException', 'ValidationException'],
 'dynamodb': ['BackupInUseException', 'BackupNotFoundException', 'ConditionalCheckFailedException', 'ContinuousBackupsUnavailableException', 'GlobalTableAlreadyExistsException', 'GlobalTableNotFoundException', 'IdempotentParameterMismatchException', 'IndexNotFoundException', 'InternalServerError', 'InvalidRestoreTimeException', 'ItemCollectionSizeLimitExceededException', 'LimitExceededException', 'PointInTimeRecoveryUnavailableException', 'ProvisionedThroughputExceededException', 'ReplicaAlreadyExistsException', 'ReplicaNotFoundException', 'RequestLimitExceeded', 'ResourceInUseException', 'ResourceNotFoundException', 'TableAlreadyExistsException', 'TableInUseException', 'TableNotFoundException', 'TransactionCanceledException', 'TransactionConflictException', 'TransactionInProgressException'],
 'ec2': [],
 'ecr': ['EmptyUploadException', 'ImageAlreadyExistsException', 'ImageNotFoundException', 'InvalidLayerException', 'InvalidLayerPartException', 'InvalidParameterException', 'InvalidTagParameterException', 'LayerAlreadyExistsException', 'LayerInaccessibleException', 'LayerPartTooSmallException', 'LayersNotFoundException', 'LifecyclePolicyNotFoundException', 'LifecyclePolicyPreviewInProgressException', 'LifecyclePolicyPreviewNotFoundException', 'LimitExceededException', 'RepositoryAlreadyExistsException', 'RepositoryNotEmptyException', 'RepositoryNotFoundException', 'RepositoryPolicyNotFoundException', 'ServerException', 'TooManyTagsException', 'UploadNotFoundException'],
 'ecs': ['AccessDeniedException', 'AttributeLimitExceededException', 'BlockedException', 'ClientException', 'ClusterContainsContainerInstancesException', 'ClusterContainsServicesException', 'ClusterContainsTasksException', 'ClusterNotFoundException', 'InvalidParameterException', 'MissingVersionException', 'NoUpdateAvailableException', 'PlatformTaskDefinitionIncompatibilityException', 'PlatformUnknownException', 'ResourceNotFoundException', 'ServerException', 'ServiceNotActiveException', 'ServiceNotFoundException', 'TargetNotFoundException', 'UnsupportedFeatureException', 'UpdateInProgressException'],
 'efs': ['BadRequest', 'DependencyTimeout', 'FileSystemAlreadyExists', 'FileSystemInUse', 'FileSystemLimitExceeded', 'FileSystemNotFound', 'IncorrectFileSystemLifeCycleState', 'IncorrectMountTargetState', 'InsufficientThroughputCapacity', 'InternalServerError', 'IpAddressInUse', 'MountTargetConflict', 'MountTargetNotFound', 'NetworkInterfaceLimitExceeded', 'NoFreeAddressesInSubnet', 'SecurityGroupLimitExceeded', 'SecurityGroupNotFound', 'SubnetNotFound', 'ThroughputLimitExceeded', 'TooManyRequests', 'UnsupportedAvailabilityZone'],
 'eks': ['ClientException', 'InvalidParameterException', 'InvalidRequestException', 'ResourceInUseException', 'ResourceLimitExceededException', 'ResourceNotFoundException', 'ServerException', 'ServiceUnavailableException', 'UnsupportedAvailabilityZoneException'],
 'elasticache': ['APICallRateForCustomerExceeded', 'AuthorizationAlreadyExists', 'AuthorizationNotFound', 'CacheClusterAlreadyExists', 'CacheClusterNotFound', 'CacheParameterGroupAlreadyExists', 'CacheParameterGroupNotFound', 'CacheParameterGroupQuotaExceeded', 'CacheSecurityGroupAlreadyExists', 'CacheSecurityGroupNotFound', 'QuotaExceeded.CacheSecurityGroup', 'CacheSubnetGroupAlreadyExists', 'CacheSubnetGroupInUse', 'CacheSubnetGroupNotFoundFault', 'CacheSubnetGroupQuotaExceeded', 'CacheSubnetQuotaExceededFault', 'ClusterQuotaForCustomerExceeded', 'InsufficientCacheClusterCapacity', 'InvalidARN', 'InvalidCacheClusterState', 'InvalidCacheParameterGroupState', 'InvalidCacheSecurityGroupState', 'InvalidParameterCombination', 'InvalidParameterValue', 'InvalidReplicationGroupState', 'InvalidSnapshotState', 'InvalidSubnet', 'InvalidVPCNetworkStateFault', 'NoOperationFault', 'NodeGroupNotFoundFault', 'NodeGroupsPerReplicationGroupQuotaExceeded', 'NodeQuotaForClusterExceeded', 'NodeQuotaForCustomerExceeded', 'ReplicationGroupAlreadyExists', 'ReplicationGroupNotFoundFault', 'ReservedCacheNodeAlreadyExists', 'ReservedCacheNodeNotFound', 'ReservedCacheNodeQuotaExceeded', 'ReservedCacheNodesOfferingNotFound', 'ServiceLinkedRoleNotFoundFault', 'SnapshotAlreadyExistsFault', 'SnapshotFeatureNotSupportedFault', 'SnapshotNotFoundFault', 'SnapshotQuotaExceededFault', 'SubnetInUse', 'TagNotFound', 'TagQuotaPerResourceExceeded', 'TestFailoverNotAvailableFault'],
 'elasticbeanstalk': ['CodeBuildNotInServiceRegionException', 'ElasticBeanstalkServiceException', 'InsufficientPrivilegesException', 'InvalidRequestException', 'ManagedActionInvalidStateException', 'OperationInProgressFailure', 'PlatformVersionStillReferencedException', 'ResourceNotFoundException', 'ResourceTypeNotSupportedException', 'S3LocationNotInServiceRegionException', 'S3SubscriptionRequiredException', 'SourceBundleDeletionFailure', 'TooManyApplicationVersionsException', 'TooManyApplicationsException', 'TooManyBucketsException', 'TooManyConfigurationTemplatesException', 'TooManyEnvironmentsException', 'TooManyPlatformsException', 'TooManyTagsException'],
 'elb': ['LoadBalancerNotFound', 'CertificateNotFound', 'DependencyThrottle', 'DuplicateLoadBalancerName', 'DuplicateListener', 'DuplicatePolicyName', 'DuplicateTagKeys', 'InvalidConfigurationRequest', 'InvalidInstance', 'InvalidScheme', 'InvalidSecurityGroup', 'InvalidSubnet', 'ListenerNotFound', 'LoadBalancerAttributeNotFound', 'OperationNotPermitted', 'PolicyNotFound', 'PolicyTypeNotFound', 'SubnetNotFound', 'TooManyLoadBalancers', 'TooManyPolicies', 'TooManyTags', 'UnsupportedProtocol'],
 'emr': ['InternalServerError', 'InternalServerException', 'InvalidRequestException'],
 'es': ['BaseException', 'DisabledOperationException', 'InternalException', 'InvalidTypeException', 'LimitExceededException', 'ResourceAlreadyExistsException', 'ResourceNotFoundException', 'ValidationException'],
 'events': ['ConcurrentModificationException', 'InternalException', 'InvalidEventPatternException', 'LimitExceededException', 'ManagedRuleException', 'PolicyLengthExceededException', 'ResourceNotFoundException'],
 'firehose': ['ConcurrentModificationException', 'InvalidArgumentException', 'LimitExceededException', 'ResourceInUseException', 'ResourceNotFoundException', 'ServiceUnavailableException'],
 'glacier': ['InsufficientCapacityException', 'InvalidParameterValueException', 'LimitExceededException', 'MissingParameterValueException', 'PolicyEnforcedException', 'RequestTimeoutException', 'ResourceNotFoundException', 'ServiceUnavailableException'],
 'glue': ['AccessDeniedException', 'AlreadyExistsException', 'ConcurrentModificationException', 'ConcurrentRunsExceededException', 'ConditionCheckFailureException', 'CrawlerNotRunningException', 'CrawlerRunningException', 'CrawlerStoppingException', 'EntityNotFoundException', 'GlueEncryptionException', 'IdempotentParameterMismatchException', 'InternalServiceException', 'InvalidInputException', 'NoScheduleException', 'OperationTimeoutException', 'ResourceNumberLimitExceededException', 'SchedulerNotRunningException', 'SchedulerRunningException', 'SchedulerTransitioningException', 'ValidationException', 'VersionMismatchException'],
 'iam': ['ConcurrentModification', 'ReportExpired', 'ReportNotPresent', 'ReportInProgress', 'DeleteConflict', 'DuplicateCertificate', 'DuplicateSSHPublicKey', 'EntityAlreadyExists', 'EntityTemporarilyUnmodifiable', 'InvalidAuthenticationCode', 'InvalidCertificate', 'InvalidInput', 'InvalidPublicKey', 'InvalidUserType', 'KeyPairMismatch', 'LimitExceeded', 'MalformedCertificate', 'MalformedPolicyDocument', 'NoSuchEntity', 'PasswordPolicyViolation', 'PolicyEvaluation', 'PolicyNotAttachable', 'ServiceFailure', 'NotSupportedService', 'UnmodifiableEntity', 'UnrecognizedPublicKeyEncoding'],
 'kinesis': ['ExpiredIteratorException', 'ExpiredNextTokenException', 'InternalFailureException', 'InvalidArgumentException', 'KMSAccessDeniedException', 'KMSDisabledException', 'KMSInvalidStateException', 'KMSNotFoundException', 'KMSOptInRequired', 'KMSThrottlingException', 'LimitExceededException', 'ProvisionedThroughputExceededException', 'ResourceInUseException', 'ResourceNotFoundException'],
 'kms': ['AlreadyExistsException', 'CloudHsmClusterInUseException', 'CloudHsmClusterInvalidConfigurationException', 'CloudHsmClusterNotActiveException', 'CloudHsmClusterNotFoundException', 'CloudHsmClusterNotRelatedException', 'CustomKeyStoreHasCMKsException', 'CustomKeyStoreInvalidStateException', 'CustomKeyStoreNameInUseException', 'CustomKeyStoreNotFoundException', 'DependencyTimeoutException', 'DisabledException', 'ExpiredImportTokenException', 'IncorrectKeyMaterialException', 'IncorrectTrustAnchorException', 'InvalidAliasNameException', 'InvalidArnException', 'InvalidCiphertextException', 'InvalidGrantIdException', 'InvalidGrantTokenException', 'InvalidImportTokenException', 'InvalidKeyUsageException', 'InvalidMarkerException', 'KMSInternalException', 'KMSInvalidStateException', 'KeyUnavailableException', 'LimitExceededException', 'MalformedPolicyDocumentException', 'NotFoundException', 'TagException', 'UnsupportedOperationException'],
 'lambda': ['CodeStorageExceededException', 'EC2AccessDeniedException', 'EC2ThrottledException', 'EC2UnexpectedException', 'ENILimitReachedException', 'InvalidParameterValueException', 'InvalidRequestContentException', 'InvalidRuntimeException', 'InvalidSecurityGroupIDException', 'InvalidSubnetIDException', 'InvalidZipFileException', 'KMSAccessDeniedException', 'KMSDisabledException', 'KMSInvalidStateException', 'KMSNotFoundException', 'PolicyLengthExceededException', 'PreconditionFailedException', 'RequestTooLargeException', 'ResourceConflictException', 'ResourceInUseException', 'ResourceNotFoundException', 'ServiceException', 'SubnetIPAddressLimitReachedException', 'TooManyRequestsException', 'UnsupportedMediaTypeException'],
 'logs': ['DataAlreadyAcceptedException', 'InvalidOperationException', 'InvalidParameterException', 'InvalidSequenceTokenException', 'LimitExceededException', 'MalformedQueryException', 'OperationAbortedException', 'ResourceAlreadyExistsException', 'ResourceNotFoundException', 'ServiceUnavailableException', 'UnrecognizedClientException'],
 'neptune': ['AuthorizationNotFound', 'CertificateNotFound', 'DBClusterAlreadyExistsFault', 'DBClusterNotFoundFault', 'DBClusterParameterGroupNotFound', 'DBClusterQuotaExceededFault', 'DBClusterRoleAlreadyExists', 'DBClusterRoleNotFound', 'DBClusterRoleQuotaExceeded', 'DBClusterSnapshotAlreadyExistsFault', 'DBClusterSnapshotNotFoundFault', 'DBInstanceAlreadyExists', 'DBInstanceNotFound', 'DBParameterGroupAlreadyExists', 'DBParameterGroupNotFound', 'DBParameterGroupQuotaExceeded', 'DBSecurityGroupNotFound', 'DBSnapshotAlreadyExists', 'DBSnapshotNotFound', 'DBSubnetGroupAlreadyExists', 'DBSubnetGroupDoesNotCoverEnoughAZs', 'DBSubnetGroupNotFoundFault', 'DBSubnetGroupQuotaExceeded', 'DBSubnetQuotaExceededFault', 'DBUpgradeDependencyFailure', 'DomainNotFoundFault', 'EventSubscriptionQuotaExceeded', 'InstanceQuotaExceeded', 'InsufficientDBClusterCapacityFault', 'InsufficientDBInstanceCapacity', 'InsufficientStorageClusterCapacity', 'InvalidDBClusterSnapshotStateFault', 'InvalidDBClusterStateFault', 'InvalidDBInstanceState', 'InvalidDBParameterGroupState', 'InvalidDBSecurityGroupState', 'InvalidDBSnapshotState', 'InvalidDBSubnetGroupStateFault', 'InvalidDBSubnetStateFault', 'InvalidEventSubscriptionState', 'InvalidRestoreFault', 'InvalidSubnet', 'InvalidVPCNetworkStateFault', 'KMSKeyNotAccessibleFault', 'OptionGroupNotFoundFault', 'ProvisionedIopsNotAvailableInAZFault', 'ResourceNotFoundFault', 'SNSInvalidTopic', 'SNSNoAuthorization', 'SNSTopicArnNotFound', 'SharedSnapshotQuotaExceeded', 'SnapshotQuotaExceeded', 'SourceNotFound', 'StorageQuotaExceeded', 'StorageTypeNotSupported', 'SubnetAlreadyInUse', 'SubscriptionAlreadyExist', 'SubscriptionCategoryNotFound', 'SubscriptionNotFound'],
 'rds': ['AuthorizationAlreadyExists', 'AuthorizationNotFound', 'AuthorizationQuotaExceeded', 'BackupPolicyNotFoundFault', 'CertificateNotFound', 'DBClusterAlreadyExistsFault', 'DBClusterBacktrackNotFoundFault', 'DBClusterEndpointAlreadyExistsFault', 'DBClusterEndpointNotFoundFault', 'DBClusterEndpointQuotaExceededFault', 'DBClusterNotFoundFault', 'DBClusterParameterGroupNotFound', 'DBClusterQuotaExceededFault', 'DBClusterRoleAlreadyExists', 'DBClusterRoleNotFound', 'DBClusterRoleQuotaExceeded', 'DBClusterSnapshotAlreadyExistsFault', 'DBClusterSnapshotNotFoundFault', 'DBInstanceAlreadyExists', 'DBInstanceAutomatedBackupNotFound', 'DBInstanceAutomatedBackupQuotaExceeded', 'DBInstanceNotFound', 'DBInstanceRoleAlreadyExists', 'DBInstanceRoleNotFound', 'DBInstanceRoleQuotaExceeded', 'DBLogFileNotFoundFault', 'DBParameterGroupAlreadyExists', 'DBParameterGroupNotFound', 'DBParameterGroupQuotaExceeded', 'DBSecurityGroupAlreadyExists', 'DBSecurityGroupNotFound', 'DBSecurityGroupNotSupported', 'QuotaExceeded.DBSecurityGroup', 'DBSnapshotAlreadyExists', 'DBSnapshotNotFound', 'DBSubnetGroupAlreadyExists', 'DBSubnetGroupDoesNotCoverEnoughAZs', 'DBSubnetGroupNotAllowedFault', 'DBSubnetGroupNotFoundFault', 'DBSubnetGroupQuotaExceeded', 'DBSubnetQuotaExceededFault', 'DBUpgradeDependencyFailure', 'DomainNotFoundFault', 'EventSubscriptionQuotaExceeded', 'GlobalClusterAlreadyExistsFault', 'GlobalClusterNotFoundFault', 'GlobalClusterQuotaExceededFault', 'InstanceQuotaExceeded', 'InsufficientDBClusterCapacityFault', 'InsufficientDBInstanceCapacity', 'InsufficientStorageClusterCapacity', 'InvalidDBClusterCapacityFault', 'InvalidDBClusterEndpointStateFault', 'InvalidDBClusterSnapshotStateFault', 'InvalidDBClusterStateFault', 'InvalidDBInstanceAutomatedBackupState', 'InvalidDBInstanceState', 'InvalidDBParameterGroupState', 'InvalidDBSecurityGroupState', 'InvalidDBSnapshotState', 'InvalidDBSubnetGroupFault', 'InvalidDBSubnetGroupStateFault', 'InvalidDBSubnetStateFault', 'InvalidEventSubscriptionState', 'InvalidGlobalClusterStateFault', 'InvalidOptionGroupStateFault', 'InvalidRestoreFault', 'InvalidS3BucketFault', 'InvalidSubnet', 'InvalidVPCNetworkStateFault', 'KMSKeyNotAccessibleFault', 'OptionGroupAlreadyExistsFault', 'OptionGroupNotFoundFault', 'OptionGroupQuotaExceededFault', 'PointInTimeRestoreNotEnabled', 'ProvisionedIopsNotAvailableInAZFault', 'ReservedDBInstanceAlreadyExists', 'ReservedDBInstanceNotFound', 'ReservedDBInstanceQuotaExceeded', 'ReservedDBInstancesOfferingNotFound', 'ResourceNotFoundFault', 'SNSInvalidTopic', 'SNSNoAuthorization', 'SNSTopicArnNotFound', 'SharedSnapshotQuotaExceeded', 'SnapshotQuotaExceeded', 'SourceNotFound', 'StorageQuotaExceeded', 'StorageTypeNotSupported', 'SubnetAlreadyInUse', 'SubscriptionAlreadyExist', 'SubscriptionCategoryNotFound', 'SubscriptionNotFound'],
 'route53': ['ConcurrentModification', 'ConflictingDomainExists', 'ConflictingTypes', 'DelegationSetAlreadyCreated', 'DelegationSetAlreadyReusable', 'DelegationSetInUse', 'DelegationSetNotAvailable', 'DelegationSetNotReusable', 'HealthCheckAlreadyExists', 'HealthCheckInUse', 'HealthCheckVersionMismatch', 'HostedZoneAlreadyExists', 'HostedZoneNotEmpty', 'HostedZoneNotFound', 'HostedZoneNotPrivate', 'IncompatibleVersion', 'InsufficientCloudWatchLogsResourcePolicy', 'InvalidArgument', 'InvalidChangeBatch', 'InvalidDomainName', 'InvalidInput', 'InvalidPaginationToken', 'InvalidTrafficPolicyDocument', 'InvalidVPCId', 'LastVPCAssociation', 'LimitsExceeded', 'NoSuchChange', 'NoSuchCloudWatchLogsLogGroup', 'NoSuchDelegationSet', 'NoSuchGeoLocation', 'NoSuchHealthCheck', 'NoSuchHostedZone', 'NoSuchQueryLoggingConfig', 'NoSuchTrafficPolicy', 'NoSuchTrafficPolicyInstance', 'NotAuthorizedException', 'PriorRequestNotComplete', 'PublicZoneVPCAssociation', 'QueryLoggingConfigAlreadyExists', 'ThrottlingException', 'TooManyHealthChecks', 'TooManyHostedZones', 'TooManyTrafficPolicies', 'TooManyTrafficPolicyInstances', 'TooManyTrafficPolicyVersionsForCurrentPolicy', 'TooManyVPCAssociationAuthorizations', 'TrafficPolicyAlreadyExists', 'TrafficPolicyInUse', 'TrafficPolicyInstanceAlreadyExists', 'VPCAssociationAuthorizationNotFound', 'VPCAssociationNotFound'],
 's3': ['BucketAlreadyExists', 'BucketAlreadyOwnedByYou', 'NoSuchBucket', 'NoSuchKey', 'NoSuchUpload', 'ObjectAlreadyInActiveTierError', 'ObjectNotInActiveTierError'],
 'sagemaker': ['ResourceInUse', 'ResourceLimitExceeded', 'ResourceNotFound'],
 'secretsmanager': ['DecryptionFailure', 'EncryptionFailure', 'InternalServiceError', 'InvalidNextTokenException', 'InvalidParameterException', 'InvalidRequestException', 'LimitExceededException', 'MalformedPolicyDocumentException', 'PreconditionNotMetException', 'ResourceExistsException', 'ResourceNotFoundException'],
 'ses': ['AccountSendingPausedException', 'AlreadyExists', 'CannotDelete', 'ConfigurationSetAlreadyExists', 'ConfigurationSetDoesNotExist', 'ConfigurationSetSendingPausedException', 'CustomVerificationEmailInvalidContent', 'CustomVerificationEmailTemplateAlreadyExists', 'CustomVerificationEmailTemplateDoesNotExist', 'EventDestinationAlreadyExists', 'EventDestinationDoesNotExist', 'FromEmailAddressNotVerified', 'InvalidCloudWatchDestination', 'InvalidConfigurationSet', 'InvalidFirehoseDestination', 'InvalidLambdaFunction', 'InvalidPolicy', 'InvalidRenderingParameter', 'InvalidS3Configuration', 'InvalidSNSDestination', 'InvalidSnsTopic', 'InvalidTemplate', 'InvalidTrackingOptions', 'LimitExceeded', 'MailFromDomainNotVerifiedException', 'MessageRejected', 'MissingRenderingAttribute', 'ProductionAccessNotGranted', 'RuleDoesNotExist', 'RuleSetDoesNotExist', 'TemplateDoesNotExist', 'TrackingOptionsAlreadyExistsException', 'TrackingOptionsDoesNotExistException'],
 'sns': ['AuthorizationError', 'EndpointDisabled', 'FilterPolicyLimitExceeded', 'InternalError', 'InvalidParameter', 'ParameterValueInvalid', 'InvalidSecurity', 'KMSAccessDenied', 'KMSDisabled', 'KMSInvalidState', 'KMSNotFound', 'KMSOptInRequired', 'KMSThrottling', 'NotFound', 'PlatformApplicationDisabled', 'SubscriptionLimitExceeded', 'Throttled', 'TopicLimitExceeded'],
 'sqs': ['AWS.SimpleQueueService.BatchEntryIdsNotDistinct', 'AWS.SimpleQueueService.BatchRequestTooLong', 'AWS.SimpleQueueService.EmptyBatchRequest', 'InvalidAttributeName', 'AWS.SimpleQueueService.InvalidBatchEntryId', 'InvalidIdFormat', 'InvalidMessageContents', 'AWS.SimpleQueueService.MessageNotInflight', 'OverLimit', 'AWS.SimpleQueueService.PurgeQueueInProgress', 'AWS.SimpleQueueService.QueueDeletedRecently', 'AWS.SimpleQueueService.NonExistentQueue', 'QueueAlreadyExists', 'ReceiptHandleIsInvalid', 'AWS.SimpleQueueService.TooManyEntriesInBatchRequest', 'AWS.SimpleQueueService.UnsupportedOperation'],
 'ssm': ['AlreadyExistsException', 'AssociatedInstances', 'AssociationAlreadyExists', 'AssociationDoesNotExist', 'AssociationExecutionDoesNotExist', 'AssociationLimitExceeded', 'AssociationVersionLimitExceeded', 'AutomationDefinitionNotFoundException', 'AutomationDefinitionVersionNotFoundException', 'AutomationExecutionLimitExceededException', 'AutomationExecutionNotFoundException', 'AutomationStepNotFoundException', 'ComplianceTypeCountLimitExceededException', 'CustomSchemaCountLimitExceededException', 'DocumentAlreadyExists', 'DocumentLimitExceeded', 'DocumentPermissionLimit', 'DocumentVersionLimitExceeded', 'DoesNotExistException', 'DuplicateDocumentContent', 'DuplicateDocumentVersionName', 'DuplicateInstanceId', 'FeatureNotAvailableException', 'HierarchyLevelLimitExceededException', 'HierarchyTypeMismatchException', 'IdempotentParameterMismatch', 'InternalServerError', 'InvalidActivation', 'InvalidActivationId', 'InvalidAggregatorException', 'InvalidAllowedPatternException', 'InvalidAssociation', 'InvalidAssociationVersion', 'InvalidAutomationExecutionParametersException', 'InvalidAutomationSignalException', 'InvalidAutomationStatusUpdateException', 'InvalidCommandId', 'InvalidDeleteInventoryParametersException', 'InvalidDeletionIdException', 'InvalidDocument', 'InvalidDocumentContent', 'InvalidDocumentOperation', 'InvalidDocumentSchemaVersion', 'InvalidDocumentVersion', 'InvalidFilter', 'InvalidFilterKey', 'InvalidFilterOption', 'InvalidFilterValue', 'InvalidInstanceId', 'InvalidInstanceInformationFilterValue', 'InvalidInventoryGroupException', 'InvalidInventoryItemContextException', 'InvalidInventoryRequestException', 'InvalidItemContentException', 'InvalidKeyId', 'InvalidNextToken', 'InvalidNotificationConfig', 'InvalidOptionException', 'InvalidOutputFolder', 'InvalidOutputLocation', 'InvalidParameters', 'InvalidPermissionType', 'InvalidPluginName', 'InvalidResourceId', 'InvalidResourceType', 'InvalidResultAttributeException', 'InvalidRole', 'InvalidSchedule', 'InvalidTarget', 'InvalidTypeNameException', 'InvalidUpdate', 'InvocationDoesNotExist', 'ItemContentMismatchException', 'ItemSizeLimitExceededException', 'MaxDocumentSizeExceeded', 'ParameterAlreadyExists', 'ParameterLimitExceeded', 'ParameterMaxVersionLimitExceeded', 'ParameterNotFound', 'ParameterPatternMismatchException', 'ParameterVersionLabelLimitExceeded', 'ParameterVersionNotFound', 'ResourceDataSyncAlreadyExistsException', 'ResourceDataSyncCountExceededException', 'ResourceDataSyncInvalidConfigurationException', 'ResourceDataSyncNotFoundException', 'ResourceInUseException', 'ResourceLimitExceededException', 'StatusUnchanged', 'SubTypeCountLimitExceededException', 'TargetInUseException', 'TargetNotConnected', 'TooManyTagsError', 'TooManyUpdates', 'TotalSizeLimitExceededException', 'UnsupportedInventoryItemContextException', 'UnsupportedInventorySchemaVersionException', 'UnsupportedOperatingSystem', 'UnsupportedParameterType', 'UnsupportedPlatformType'],
 'stepfunctions': ['ActivityDoesNotExist', 'ActivityLimitExceeded', 'ActivityWorkerLimitExceeded', 'ExecutionAlreadyExists', 'ExecutionDoesNotExist', 'ExecutionLimitExceeded', 'InvalidArn', 'InvalidDefinition', 'InvalidExecutionInput', 'InvalidName', 'InvalidOutput', 'InvalidToken', 'MissingRequiredParameter', 'ResourceNotFound', 'StateMachineAlreadyExists', 'StateMachineDeleting', 'StateMachineDoesNotExist', 'StateMachineLimitExceeded', 'TaskDoesNotExist', 'TaskTimedOut', 'TooManyTags'],
 'sts': ['ExpiredTokenException', 'IDPCommunicationError', 'IDPRejectedClaim', 'InvalidAuthorizationMessageException', 'InvalidIdentityToken', 'MalformedPolicyDocument', 'PackedPolicyTooLarge', 'RegionDisabledException'],
 'xray': ['InvalidRequestException', 'RuleLimitExceededException', 'ThrottledException']}

回答 4

或类名称的比较，例如

except ClientError as e:
    if 'EntityAlreadyExistsException' == e.__class__.__name__:
        # handle specific error

因为它们是动态创建的，所以您永远无法导入该类并使用真正的Python捕获它。

点击查看英文原文

Or a comparison on the class name e.g.

except ClientError as e:
    if 'EntityAlreadyExistsException' == e.__class__.__name__:
        # handle specific error

Because they are dynamically created you can never import the class and catch it using real Python.

回答 5

如果要使用Python3调用sign_up API（AWS Cognito），则可以使用以下代码。 

def registerUser(userObj):
    ''' Registers the user to AWS Cognito.
    '''

    # Mobile number is not a mandatory field. 
    if(len(userObj['user_mob_no']) == 0):
        mobilenumber = ''
    else:
        mobilenumber = userObj['user_country_code']+userObj['user_mob_no']

    secretKey = bytes(settings.SOCIAL_AUTH_COGNITO_SECRET, 'latin-1')
    clientId = settings.SOCIAL_AUTH_COGNITO_KEY 

    digest = hmac.new(secretKey,
                msg=(userObj['user_name'] + clientId).encode('utf-8'),
                digestmod=hashlib.sha256
                ).digest()
    signature = base64.b64encode(digest).decode()

    client = boto3.client('cognito-idp', region_name='eu-west-1' ) 

    try:
        response = client.sign_up(
                    ClientId=clientId,
                    Username=userObj['user_name'],
                    Password=userObj['password1'],
                    SecretHash=signature,
                    UserAttributes=[
                        {
                            'Name': 'given_name',
                            'Value': userObj['given_name']
                        },
                        {
                            'Name': 'family_name',
                            'Value': userObj['family_name']
                        },
                        {
                            'Name': 'email',
                            'Value': userObj['user_email']
                        },
                        {
                            'Name': 'phone_number',
                            'Value': mobilenumber
                        }
                    ],
                    ValidationData=[
                        {
                            'Name': 'email',
                            'Value': userObj['user_email']
                        },
                    ]
                    ,
                    AnalyticsMetadata={
                        'AnalyticsEndpointId': 'string'
                    },
                    UserContextData={
                        'EncodedData': 'string'
                    }
                )
    except ClientError as error:
        return {"errorcode": error.response['Error']['Code'],
            "errormessage" : error.response['Error']['Message'] }
    except Exception as e:
        return {"errorcode": "Something went wrong. Try later or contact the admin" }
    return {"success": "User registered successfully. "}

error.response [‘Error’] [‘Code’]将是InvalidPasswordException，UsernameExistsException等。因此，在主函数或调用函数的地方，您可以编写逻辑以向用户提供有意义的消息。

响应示例（error.response）： 

{
  "Error": {
    "Message": "Password did not conform with policy: Password must have symbol characters",
    "Code": "InvalidPasswordException"
  },
  "ResponseMetadata": {
    "RequestId": "c8a591d5-8c51-4af9-8fad-b38b270c3ca2",
    "HTTPStatusCode": 400,
    "HTTPHeaders": {
      "date": "Wed, 17 Jul 2019 09:38:32 GMT",
      "content-type": "application/x-amz-json-1.1",
      "content-length": "124",
      "connection": "keep-alive",
      "x-amzn-requestid": "c8a591d5-8c51-4af9-8fad-b38b270c3ca2",
      "x-amzn-errortype": "InvalidPasswordException:",
      "x-amzn-errormessage": "Password did not conform with policy: Password must have symbol characters"
    },
    "RetryAttempts": 0
  }
}

有关更多参考：https : //boto3.amazonaws.com/v1/documentation/api/latest/reference/services/cognito-idp.html#CognitoIdentityProvider.Client.sign_up

点击查看英文原文

If you are calling the sign_up API (AWS Cognito) using Python3, you can use the following code. 

def registerUser(userObj):
    ''' Registers the user to AWS Cognito.
    '''

    # Mobile number is not a mandatory field. 
    if(len(userObj['user_mob_no']) == 0):
        mobilenumber = ''
    else:
        mobilenumber = userObj['user_country_code']+userObj['user_mob_no']

    secretKey = bytes(settings.SOCIAL_AUTH_COGNITO_SECRET, 'latin-1')
    clientId = settings.SOCIAL_AUTH_COGNITO_KEY 

    digest = hmac.new(secretKey,
                msg=(userObj['user_name'] + clientId).encode('utf-8'),
                digestmod=hashlib.sha256
                ).digest()
    signature = base64.b64encode(digest).decode()

    client = boto3.client('cognito-idp', region_name='eu-west-1' ) 

    try:
        response = client.sign_up(
                    ClientId=clientId,
                    Username=userObj['user_name'],
                    Password=userObj['password1'],
                    SecretHash=signature,
                    UserAttributes=[
                        {
                            'Name': 'given_name',
                            'Value': userObj['given_name']
                        },
                        {
                            'Name': 'family_name',
                            'Value': userObj['family_name']
                        },
                        {
                            'Name': 'email',
                            'Value': userObj['user_email']
                        },
                        {
                            'Name': 'phone_number',
                            'Value': mobilenumber
                        }
                    ],
                    ValidationData=[
                        {
                            'Name': 'email',
                            'Value': userObj['user_email']
                        },
                    ]
                    ,
                    AnalyticsMetadata={
                        'AnalyticsEndpointId': 'string'
                    },
                    UserContextData={
                        'EncodedData': 'string'
                    }
                )
    except ClientError as error:
        return {"errorcode": error.response['Error']['Code'],
            "errormessage" : error.response['Error']['Message'] }
    except Exception as e:
        return {"errorcode": "Something went wrong. Try later or contact the admin" }
    return {"success": "User registered successfully. "}

error.response[‘Error’][‘Code’] will be InvalidPasswordException, UsernameExistsException etc. So in the main function or where you are calling the function, you can write the logic to provide a meaningful message to the user.

An example for the response (error.response): 

{
  "Error": {
    "Message": "Password did not conform with policy: Password must have symbol characters",
    "Code": "InvalidPasswordException"
  },
  "ResponseMetadata": {
    "RequestId": "c8a591d5-8c51-4af9-8fad-b38b270c3ca2",
    "HTTPStatusCode": 400,
    "HTTPHeaders": {
      "date": "Wed, 17 Jul 2019 09:38:32 GMT",
      "content-type": "application/x-amz-json-1.1",
      "content-length": "124",
      "connection": "keep-alive",
      "x-amzn-requestid": "c8a591d5-8c51-4af9-8fad-b38b270c3ca2",
      "x-amzn-errortype": "InvalidPasswordException:",
      "x-amzn-errormessage": "Password did not conform with policy: Password must have symbol characters"
    },
    "RetryAttempts": 0
  }
}

For further reference : https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/cognito-idp.html#CognitoIdentityProvider.Client.sign_up

回答 6

万一您不得不处理可能是不友好的logs客户端（CloudWatch Logsput-log-events），这是我必须做的，以正确捕获Boto3客户端异常：

try:
    ### Boto3 client code here...

except boto_exceptions.ClientError as error:
    Log.warning("Catched client error code %s",
                error.response['Error']['Code'])

    if error.response['Error']['Code'] in ["DataAlreadyAcceptedException",
                                           "InvalidSequenceTokenException"]:
        Log.debug(
            "Fetching sequence_token from boto error response['Error']['Message'] %s",
            error.response["Error"]["Message"])
        # NOTE: apparently there's no sequenceToken attribute in the response so we have
        # to parse response["Error"]["Message"] string
        sequence_token = error.response["Error"]["Message"].split(":")[-1].strip(" ")
        Log.debug("Setting sequence_token to %s", sequence_token)

这在第一次尝试（使用空LogStream时）和后续尝试中都有效。

点击查看英文原文

In case you have to deal with the arguably unfriendly logs client (CloudWatch Logs put-log-events), this is what I had to do to properly catch Boto3 client exceptions:

try:
    ### Boto3 client code here...

except boto_exceptions.ClientError as error:
    Log.warning("Catched client error code %s",
                error.response['Error']['Code'])

    if error.response['Error']['Code'] in ["DataAlreadyAcceptedException",
                                           "InvalidSequenceTokenException"]:
        Log.debug(
            "Fetching sequence_token from boto error response['Error']['Message'] %s",
            error.response["Error"]["Message"])
        # NOTE: apparently there's no sequenceToken attribute in the response so we have
        # to parse response["Error"]["Message"] string
        sequence_token = error.response["Error"]["Message"].split(":")[-1].strip(" ")
        Log.debug("Setting sequence_token to %s", sequence_token)

This works both at first attempt (with empty LogStream) and subsequent ones.

回答 7

@armod更新有关在client对象上添加异常的信息之后。我将展示如何查看为客户端类定义的所有异常。

使用session.create_client()或创建客户端时，会动态生成异常boto3.client()。内部调用方法，botocore.errorfactory.ClientExceptionsFactory._create_client_exceptions()并client.exceptions用构造的异常类填充字段。

所有类名都可以在client.exceptions._code_to_exception字典中找到，因此您可以使用以下代码段列出所有类型：

client = boto3.client('s3')

for ex_code in client.exceptions._code_to_exception:
    print(ex_code)

希望能帮助到你。

点击查看英文原文

Following @armod’s update about exceptions being added right on client objects. I’ll show how you can see all exceptions defined for your client class.

Exceptions are generated dynamically when you create your client with session.create_client() or boto3.client(). Internally it calls method botocore.errorfactory.ClientExceptionsFactory._create_client_exceptions() and fills client.exceptions field with constructed exception classes.

All class names are available in client.exceptions._code_to_exception dictionary, so you can list all types with following snippet:

client = boto3.client('s3')

for ex_code in client.exceptions._code_to_exception:
    print(ex_code)

Hope it helps.

回答 8

无法解决问题时，您需要采取一些措施。现在，您正在返回实际的异常。例如，如果这不是用户已经存在的问题，并且您想将其用作get_or_create函数，则可以通过返回现有的用户对象来解决该问题。

try:
    user = iam_conn.create_user(UserName=username)
    return user
except botocore.exceptions.ClientError as e:

    #this exception could actually be other things other than exists, so you want to evaluate it further in your real code.
    if e.message.startswith(
        'enough of the exception message to identify it as the one you want')

        print('that user already exists.')
        user = iam_conn.get_user(UserName=username)
        return user

    elif e.message.some_other_condition:

         #something else
    else:
         #unhandled ClientError
         raise(e)
except SomeOtherExceptionTypeYouCareAbout as e:
    #handle it

# any unhandled exception will raise here at this point.
# if you want a general handler

except Exception as e:
    #handle it.

就是说，这可能对您的应用程序来说是个问题，在这种情况下，您想将异常处理程序放在调用创建用户函数的代码周围，并让调用函数确定如何处理它，例如，通过询问用户输入另一个用户名，或对您的应用有意义的任何名称。

点击查看英文原文

You need to do something when it fails to handle the issue. Right now you are returning the actual exception. For example, if its not a problem that the user exists already and you want to use it as a get_or_create function maybe you handle the issue by returning the existing user object.

try:
    user = iam_conn.create_user(UserName=username)
    return user
except botocore.exceptions.ClientError as e:

    #this exception could actually be other things other than exists, so you want to evaluate it further in your real code.
    if e.message.startswith(
        'enough of the exception message to identify it as the one you want')

        print('that user already exists.')
        user = iam_conn.get_user(UserName=username)
        return user

    elif e.message.some_other_condition:

         #something else
    else:
         #unhandled ClientError
         raise(e)
except SomeOtherExceptionTypeYouCareAbout as e:
    #handle it

# any unhandled exception will raise here at this point.
# if you want a general handler

except Exception as e:
    #handle it.

That said, maybe it is a problem for your app, in which case you want to want to put the exception handler around the code that called your create user function and let the calling function determine how to deal with it, for example, by asking the user to input another username, or whatever makes sense for your application.

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