Extracting key and its related value from purchase order (PDF file) using Python

Question

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Python Version: 3

Input: PDF file containing Purchase order Input Example: http://gem.compaq.com/gemstore/sites/downloads/SLED_PO_Template.pdf

Note: This is empty purchase order sample format, actual Format may vary. In real time pdf may not be empty.

Desired Output is to get key name and its value from pdf.

Sample Output:

PO number: its value in pdf (Same for other keys)

Question: How to extract name of keys and its relevant value data from given pdf file?

What I have tried:

Tried tabula-py, pdfminer2, pdftotext, OCR, pdf2json.
But main challenge I am facing is: Relating key with its true value.

Posted 4-Jul-18 3:51am

Member 13898361

Updated 4-Jul-18 7:15am

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Richard MacCutchan 4-Jul-18 10:11am

This is not really a programming issue. The answer depends on the structure of the PDF file and how these items can be recognised and related.

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Gerry Schmitz · Answer 1 · 2018-07-04T07:15:00

Solution 1

"Dump" the PDF to a text file.

If the PDF contains "markup" that identifies the PO# (if you can find it using a "Find" on the text), then you can use that "markup" to locate the PO# in other documents.

Understanding the Portable Document Format (PDF) - PrintMyFolders[^]

Posted 4-Jul-18 7:15am

Gerry Schmitz