How to extract key-value pair using Analyze expense API in AWS Textract using python ?

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How to extract key-value pair using Analyze expense API in AWS Textract using python ?

asked a year ago603 views
2 Answers
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Hi User,

As you are using expense API, are you using it on receipts or invoice documents? Expense API can help by detecting possible labels and their corresponding values, similar to key-value pair. Here is an article with sample codes in Python on how it can be achieved: https://docs.aws.amazon.com/textract/latest/dg/analyzing-document-expense.html

The results will be in JSON format, which then you can re-format the data to suit your use case.

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ljunkai
answered a year ago
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You can use the Amazon Textract PrettyPrinter for this purpose. The Amazon Textract Response Parser does have a test that does that:

# json_response holds the response from the ExpenseAPI call
exp_docs: texp.TAnalyzeExpenseDocument = texp.TAnalyzeExpenseDocumentSchema().load(json_response)
all_fields = exp_docs.get_all_summaryfields_by_expense_id(docid=exp_doc.expense_idx)
normalized_fields = exp_docs.get_normalized_summaryfields_by_expense_id(docid=exp_doc.expense_idx)
AWS
answered a year ago

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