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{ buildPythonPackage
, fetchPypi
, lib
# build dependencies
, cython
, leptonica
, pkg-config
, tesseract4
# propagates
, pillow
# tests
, unittestCheckHook
}:
buildPythonPackage rec {
pname = "tesserocr";
version = "2.6.1";
src = fetchPypi {
inherit pname version;
sha256 = "sha256-pz82cutgQ9ifMS6+40mcBiOsXIqeEquYdBWT+npZNPY=";
};
# https://github.com/sirfz/tesserocr/issues/314
postPatch = ''
sed -i '/allheaders.h/a\ pass\n\ncdef extern from "leptonica/pix_internal.h" nogil:' tesseract.pxd
'';
nativeBuildInputs = [
cython
pkg-config
];
buildInputs = [
leptonica
tesseract4
];
propagatedBuildInputs = [
pillow
];
pythonImportsCheck = [
"tesserocr"
];
nativeCheckInputs = [
unittestCheckHook
];
meta = with lib; {
changelog = "https://github.com/sirfz/tesserocr/releases/tag/v${version}";
description = "A simple, Pillow-friendly, wrapper around the tesseract-ocr API for Optical Character Recognition (OCR)";
homepage = "https://github.com/sirfz/tesserocr";
license = licenses.mit;
maintainers = with maintainers; [ mtrsk ];
platforms = platforms.linux;
};
}
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