39 lines
1.1 KiB
Nix
39 lines
1.1 KiB
Nix
{ stdenv, fetchurl, libtiff }:
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let
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f = lang : sha256 : let
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src = fetchurl {
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url = "http://tesseract-ocr.googlecode.com/files/${lang}.traineddata.gz";
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inherit sha256;
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};
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in
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"gunzip -c ${src} > $out/share/tessdata/${lang}.traineddata";
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extraLanguages = ''
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${f "cat" "1qndk8qygw9bq7nzn7kzgxkm3jhlq7jgvdqpj5id4rrcaavjvifw"}
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${f "rus" "0yjzks189bgcmi2vr4v0l0fla11qdrw3cb1nvpxl9mdis8qr9vcc"}
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${f "spa" "1q1hw3qi95q5ww3l02fbhjqacxm34cp65fkbx10wjdcg0s5p9q2x"}
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${f "nld" "0cbqfhl2rwb1mg4y1140nw2vhhcilc0nk7bfbnxw6bzj1y5n49i8"}
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'';
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in
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stdenv.mkDerivation {
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name = "tesseract-3.0.0";
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src = fetchurl {
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url = http://tesseract-ocr.googlecode.com/files/tesseract-3.00.tar.gz;
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sha256 = "111r9hy1rcs2ch4kdi9dkzwch3xg38vv379sf3cjpkswkigx8clw";
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};
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buildInputs = [ libtiff ];
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postInstall = extraLanguages;
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meta = {
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description = "OCR engine";
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homepage = http://code.google.com/p/tesseract-ocr/;
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license = "Apache2.0";
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maintainers = with stdenv.lib.maintainers; [viric];
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platforms = with stdenv.lib.platforms; linux;
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};
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}
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