DynamoDB: Add support for TransactWriteItems for boto3 resource #4010
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The AWS Python SDK, [boto3], has [resource] objects that provide high-level interfaces to AWS services. The [DynamoDB resource] greatly simplifies marshalling and unmarshalling data. We rely on the resource method for [TransactWriteItems] among others that are absent from boto3. We opened PR boto/boto3#4010 to add that method. The resource methods are synthesized at runtime from a data file. Fortunately, boto3 has a [Loader] mechanism that allows the user to add extra data files, and the [loader search path] is configurable. In order to not depend upon our upstream PR for boto3, we distribute the extra data files and fix up the loader search path by putting it in a [.pth file] which Python executes automatically during startup. FIXME: The .pth file method does not currently work when we are doing editable installs. It _should_ work with editable installs if we factor the data files and the .pth file to a separate package that we add as a dependency. [boto3]: https://github.com/boto/boto3 [resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/guide/resources.html [DynamoDB resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/dynamodb.html#resources [TransactWriteItems]: https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactWriteItems.html [Loader]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html [loader search path]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html#the-search-path [.pth file]: https://docs.python.org/3/library/site.html
lpsinger
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Feb 7, 2024
The AWS Python SDK, [boto3], has [resource] objects that provide high-level interfaces to AWS services. The [DynamoDB resource] greatly simplifies marshalling and unmarshalling data. We rely on the resource method for [TransactWriteItems] among others that are absent from boto3. We opened PR boto/boto3#4010 to add that method. The resource methods are synthesized at runtime from a data file. Fortunately, boto3 has a [Loader] mechanism that allows the user to add extra data files, and the [loader search path] is configurable. In order to not depend upon our upstream PR for boto3, we distribute the extra data files and fix up the loader search path by putting it in a [.pth file] which Python executes automatically during startup. FIXME: The .pth file method does not currently work when we are doing editable installs. It _should_ work with editable installs if we factor the data files and the .pth file to a separate package that we add as a dependency. [boto3]: https://github.com/boto/boto3 [resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/guide/resources.html [DynamoDB resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/dynamodb.html#resources [TransactWriteItems]: https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactWriteItems.html [Loader]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html [loader search path]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html#the-search-path [.pth file]: https://docs.python.org/3/library/site.html
lpsinger
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Feb 7, 2024
The AWS Python SDK, [boto3], has [resource] objects that provide high-level interfaces to AWS services. The [DynamoDB resource] greatly simplifies marshalling and unmarshalling data. We rely on the resource method for [TransactWriteItems] among others that are absent from boto3. We opened PR boto/boto3#4010 to add that method. The resource methods are synthesized at runtime from a data file. Fortunately, boto3 has a [Loader] mechanism that allows the user to add extra data files, and the [loader search path] is configurable. In order to not depend upon our upstream PR for boto3, we distribute the extra data files and fix up the loader search path by putting it in a [.pth file] which Python executes automatically during startup. The data and .pth file are now part of an external package, [boto3-missing]. [boto3]: https://github.com/boto/boto3 [resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/guide/resources.html [DynamoDB resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/dynamodb.html#resources [TransactWriteItems]: https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactWriteItems.html [Loader]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html [loader search path]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html#the-search-path [.pth file]: https://docs.python.org/3/library/site.html [boto3-missing]: https://github.com/nasa-gcn/boto3-missing
lpsinger
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Feb 7, 2024
The AWS Python SDK, [boto3], has [resource] objects that provide high-level interfaces to AWS services. The [DynamoDB resource] greatly simplifies marshalling and unmarshalling data. We rely on the resource method for [TransactWriteItems] among others that are absent from boto3. We opened PR boto/boto3#4010 to add that method. The resource methods are synthesized at runtime from a data file. Fortunately, boto3 has a [Loader] mechanism that allows the user to add extra data files, and the [loader search path] is configurable. In order to not depend upon our upstream PR for boto3, we distribute the extra data files and fix up the loader search path by putting it in a [.pth file] which Python executes automatically during startup. The data and .pth file are now part of an external package, [boto3-missing]. [boto3]: https://github.com/boto/boto3 [resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/guide/resources.html [DynamoDB resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/dynamodb.html#resources [TransactWriteItems]: https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactWriteItems.html [Loader]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html [loader search path]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html#the-search-path [.pth file]: https://docs.python.org/3/library/site.html [boto3-missing]: https://github.com/nasa-gcn/boto3-missing
lpsinger
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Feb 7, 2024
The AWS Python SDK, [boto3], has [resource] objects that provide high-level interfaces to AWS services. The [DynamoDB resource] greatly simplifies marshalling and unmarshalling data. We rely on the resource method for [TransactWriteItems] among others that are absent from boto3. We opened PR boto/boto3#4010 to add that method. The resource methods are synthesized at runtime from a data file. Fortunately, boto3 has a [Loader] mechanism that allows the user to add extra data files, and the [loader search path] is configurable. In order to not depend upon our upstream PR for boto3, we distribute the extra data files and fix up the loader search path by putting it in a [.pth file] which Python executes automatically during startup. The data and .pth file are now part of an external package, [boto3-missing]. [boto3]: https://github.com/boto/boto3 [resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/guide/resources.html [DynamoDB resource]: https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/dynamodb.html#resources [TransactWriteItems]: https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/API_TransactWriteItems.html [Loader]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html [loader search path]: https://botocore.amazonaws.com/v1/documentation/api/latest/reference/loaders.html#the-search-path [.pth file]: https://docs.python.org/3/library/site.html [boto3-missing]: https://github.com/nasa-gcn/boto3-missing
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Fixes boto/botocore#2373.