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feat: add "auto" language for TesseractOcr (#759)

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* Add "auto" language for TesseractOcr

Signed-off-by: Pavel Denisov <pavel.denisov@iais.fraunhofer.de>

* Add tesseract-ocr-script-latn installation for the "auto" language

Signed-off-by: Pavel Denisov <pavel.denisov@iais.fraunhofer.de>

* Modify "auto" language in TesseractOcr to initialize the script readers lazily

Signed-off-by: Pavel Denisov <pavel.denisov@iais.fraunhofer.de>

* Finalize script readers

Signed-off-by: Pavel Denisov <pavel.denisov@iais.fraunhofer.de>

* Fix script models prefix for Linux

Signed-off-by: Pavel Denisov <pavel.denisov@iais.fraunhofer.de>

---------

Signed-off-by: Pavel Denisov <pavel.denisov@iais.fraunhofer.de>
This commit is contained in:
Pavel Denisov
2025-01-23 12:40:50 +01:00
committed by GitHub
parent c49b3526fb
commit 8543c22687
3 changed files with 68 additions and 17 deletions
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5
tests/test_e2e_ocr_conversion.py
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@@ -60,6 +60,7 @@ def test_e2e_conversions():
RapidOcrOptions(),
EasyOcrOptions(force_full_page_ocr=True),
TesseractOcrOptions(force_full_page_ocr=True),
TesseractOcrOptions(force_full_page_ocr=True, lang=["auto"]),
TesseractCliOcrOptions(force_full_page_ocr=True),
RapidOcrOptions(force_full_page_ocr=True),
]
@@ -70,7 +71,9 @@ def test_e2e_conversions():
engines.append(OcrMacOptions(force_full_page_ocr=True))
for ocr_options in engines:
print(f"Converting with ocr_engine: {ocr_options.kind}")
print(
f"Converting with ocr_engine: {ocr_options.kind}, language: {ocr_options.lang}"
)
converter = get_converter(ocr_options=ocr_options)
for pdf_path in pdf_paths:
print(f"converting {pdf_path}")