65 lines
2 KiB
Nix
65 lines
2 KiB
Nix
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{ lib, fetchFromGitHub, buildPythonPackage, pillow, six
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, tesseract, cuneiform
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}:
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buildPythonPackage rec {
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name = "pyocr-${version}";
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version = "0.4.6";
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# Don't fetch from PYPI because it doesn't contain tests.
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src = fetchFromGitHub {
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owner = "jflesch";
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repo = "pyocr";
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rev = version;
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sha256 = "0amyhkkm400qzbw65ivyzrzxl2r7vxqgsgqm7ml95m7gwkwhnzz0";
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};
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patches = [ ./tesseract.patch ];
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postPatch = ''
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sed -i \
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-e 's,^\(TESSERACT_CMD *= *\).*,\1"${tesseract}/bin/tesseract",' \
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-e 's,^\(CUNEIFORM_CMD *= *\).*,\1"${cuneiform}/bin/cuneiform",' \
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-e '/^CUNIFORM_POSSIBLE_PATHS *= *\[/,/^\]$/ {
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c CUNIFORM_POSSIBLE_PATHS = ["${cuneiform}/share/cuneiform"]
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}' src/pyocr/{tesseract,cuneiform}.py
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sed -i -r \
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-e 's,"libtesseract\.so\.3","${tesseract}/lib/libtesseract.so",' \
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-e 's,^(TESSDATA_PREFIX *=).*,\1 "${tesseract}/share/tessdata",' \
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src/pyocr/libtesseract/tesseract_raw.py
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# Disable specific tests that are probably failing because of this issue:
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# https://github.com/jflesch/pyocr/issues/52
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for test in $disabledTests; do
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file="''${test%%:*}"
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fun="''${test#*:}"
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echo "$fun = unittest.skip($fun)" >> "tests/tests_$file.py"
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done
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'';
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disabledTests = [
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"cuneiform:TestTxt.test_basic"
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"cuneiform:TestTxt.test_european"
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"cuneiform:TestTxt.test_french"
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"cuneiform:TestWordBox.test_basic"
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"cuneiform:TestWordBox.test_european"
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"cuneiform:TestWordBox.test_french"
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"libtesseract:TestBasicDoc.test_basic"
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"libtesseract:TestDigitLineBox.test_digits"
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"libtesseract:TestLineBox.test_japanese"
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"libtesseract:TestTxt.test_japanese"
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"libtesseract:TestWordBox.test_japanese"
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"tesseract:TestDigitLineBox.test_digits"
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"tesseract:TestTxt.test_japanese"
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];
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propagatedBuildInputs = [ pillow six ];
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meta = {
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homepage = "https://github.com/jflesch/pyocr";
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description = "A Python wrapper for Tesseract and Cuneiform";
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license = lib.licenses.gpl3Plus;
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};
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}
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