1{ 2 buildPythonPackage, 3 fetchPypi, 4 lib, 5 6 # build dependencies 7 cython, 8 leptonica, 9 pkg-config, 10 tesseract4, 11 12 # propagates 13 pillow, 14 15 # tests 16 unittestCheckHook, 17}: 18 19buildPythonPackage rec { 20 pname = "tesserocr"; 21 version = "2.6.3"; 22 format = "setuptools"; 23 24 src = fetchPypi { 25 inherit pname version; 26 sha256 = "sha256-RMHE73vcKGz6FEzhoJfoHDMp9KQ1CbyElKGrhSM4xuE="; 27 }; 28 29 # https://github.com/sirfz/tesserocr/issues/314 30 postPatch = '' 31 sed -i '/allheaders.h/a\ pass\n\ncdef extern from "leptonica/pix_internal.h" nogil:' tesseract.pxd 32 ''; 33 34 nativeBuildInputs = [ 35 cython 36 pkg-config 37 ]; 38 39 buildInputs = [ 40 leptonica 41 tesseract4 42 ]; 43 44 propagatedBuildInputs = [ pillow ]; 45 46 pythonImportsCheck = [ "tesserocr" ]; 47 48 nativeCheckInputs = [ unittestCheckHook ]; 49 50 meta = with lib; { 51 changelog = "https://github.com/sirfz/tesserocr/releases/tag/v${version}"; 52 description = "A simple, Pillow-friendly, wrapper around the tesseract-ocr API for Optical Character Recognition (OCR)"; 53 homepage = "https://github.com/sirfz/tesserocr"; 54 license = licenses.mit; 55 maintainers = with maintainers; [ mtrsk ]; 56 platforms = platforms.linux; 57 }; 58}