TST: Text extraction for non-latin alphabets #954
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MartinThoma
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Jun 6, 2022
The highlight of the 2.1.0 release is the most massive improvement to the text extraction capabilities of PyPDF2 since 2016 🥳🎊 A very big thank you goes to [pubpub-zz](https://github.com/pubpub-zz) who took a lot of time and knowledge about the PDF format to finally get those improvements into PyPDF2. Thank you 🤗💚 In case the new function causes any issues, you can use `_extract_text_old` for the old functionality. Please also open a bug ticket in that case. There were several people who have attempted to bring similar improvements to PyPDF2. All of those were valuable. The main reason why they didn't get merged is the big amount of open PRs / issues. pubpub-zz was the most comprehensive PR which also incorporated the latest changes of PyPDF2 2.0.0. Thank you to [VictorCarlquist](https://github.com/VictorCarlquist) for #858 and [asabramo](https://github.com/asabramo) for #464 🤗 New Features (ENH): - Massive text extraction improvement (#924). Closed many open issues: - Exceptions / missing spaces in extract_text() method (#17) 🕺 - Whitespace issues in extract_text() (#42) 💃 - pypdf2 reads the hifenated words in a new line (#246) - PyPDF2 failing to read unicode character (#37) - Unable to read bullets (#230) - ExtractText yields nothing for apparently good PDF (#168) 🎉 - Encoding issue in extract_text() (#235) - extractText() doesn't work on Chinese PDF (#252) - encoding error (#260) - Trouble with apostophes in names in text "O'Doul" (#384) - extract_text works for some PDF files, but not the others (#437) - Euro sign not being recognized by extractText (#443) - Failed extracting text from French texts (#524) - extract_text doesn't extract ligatures correctly (#598) - reading spanish text - mark convert issue (#635) - Read PDF changed from text to random symbols (#654) - .extractText() reads / as 1. (#789) - Update glyphlist (#947) - inspired by #464 - Allow adding PageRange objects (#948) Bug Fixes (BUG): - Delete .python-version file (#944) - Compare StreamObject.decoded_self with None (#931) Robustness (ROB): - Fix some conversion errors on non conform PDF (#932) Documentation (DOC): - Elaborate on PDF text extraction difficulties (#939) - Add logo (#942) - rotate vs Transformation().rotate (#937) - Example how to use PyPDF2 with AWS S3 (#938) - How to deprecate (#930) - Fix typos on robustness page (#935) - Remove scripts (pdfcat) from docs (#934) Developer Experience (DEV): - Ignore .python-version file - Mark deprecated code with no-cover (#943) - Automatically create Github releases from tags (#870) Testing (TST): - Text extraction for non-latin alphabets (#954) - Ignore PdfReadWarning in benchmark (#949) - writer.remove_text (#946) - Add test for Tree and _security (#945) Code Style (STY): - black, isort, Flake8, splitting buildCharMap (#950) Full Changelog: 2.0.0...2.1.0
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See #591