Deprecation message displayed if a user wants to use old pdf2parquet

[shahrokhDaijavad]

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• [x] I searched the issues and found no similar issues.

Component

transforms/pdf2parquet

Feature

If a user tries to use from dpk_pdf2parquet.transform_python import Pdf2Parquet e.g., in a notebook, we show a deprecation message and point the user to use dpk_docling2parquet.transform_python import docling2Parquet instead.

Questions:

1. Keep the skeleton of pdf2parquet transform, with this file in it: https://github.com/data-prep-kit/data-prep-kit/blob/dev/transforms/language/pdf2parquet/dpk_pdf2parquet/transform_python.py, implementing the deprecation?
2. Follow this link (https://typing.python.org/en/latest/spec/directives.html#deprecated) to implement deprecation?

Are you willing to submit a PR?

• [ ] Yes I am willing to submit a PR!

[shahrokhDaijavad]

cc: @swith005 I am just creating this issue for discussion before we implement anything.

[swith005]

pdf2parquet no longer referenced in library, so nothing to deprecate in latest (would have to update on an older version).

solution should be to update to latest and use docling2parquet.