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https://github.com/ocrmypdf/OCRmyPDF.git
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62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
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# © 2020 James R. Barlow: github.com/jbarlow83
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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from subprocess import CalledProcessError
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from unittest.mock import patch
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from ocrmypdf import hookimpl
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from ocrmypdf.builtin_plugins.tesseract_ocr import TesseractOcrEngine
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def raise_size_exception(*args, **kwargs):
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raise CalledProcessError(
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1,
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'tesseract',
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output=b"Image too large: (33830, 14959)\nError during processing.",
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stderr=b"",
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)
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class BigImageErrorOcrEngine(TesseractOcrEngine):
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@staticmethod
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def get_orientation(input_file, options):
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with patch('ocrmypdf.exec.tesseract.run', new=raise_size_exception):
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return TesseractOcrEngine.get_orientation(input_file, options)
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@staticmethod
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def generate_hocr(input_file, output_hocr, output_text, options):
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with patch('ocrmypdf.exec.tesseract.run', new=raise_size_exception):
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TesseractOcrEngine.generate_hocr(
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input_file, output_hocr, output_text, options
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)
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@staticmethod
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def generate_pdf(input_file, output_pdf, output_text, options):
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with patch('ocrmypdf.exec.tesseract.run', new=raise_size_exception):
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TesseractOcrEngine.generate_pdf(
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input_file, output_pdf, output_text, options
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)
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@hookimpl
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def get_ocr_engine():
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return BigImageErrorOcrEngine()
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