142 lines
5.3 KiB
Ruby
142 lines
5.3 KiB
Ruby
require 'formula'
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def install_language_data
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langs = {
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'eng' => 'f2d57eea524ead247612bd027375037c21e22463',
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'heb' => '648d9ea2bbf42f0410700a2afd02aaea64f89f28',
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'hin' => 'ad3137d84b917a4d5bd576bfd2c540d5c6645ae1',
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'ara' => '862b8dbfe655d31201229571b46512f18892760f',
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'tha' => 'fa1621c7d0dc871d140fdbd4eb326a09e37272d3',
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'slk-frak' => '9420b153514fd0b3f8d77240ca1523b5c6d672d0'
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}
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langs.each do |lang, sha1|
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language_klass = <<-EOS
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class #{lang.delete('-').capitalize} < Formula
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url 'http://tesseract-ocr.googlecode.com/files/tesseract-ocr-3.01.#{lang}.tar.gz'
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version '3.01'
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sha1 '#{sha1}'
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end
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#{lang.delete('-').capitalize}.new
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EOS
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eval(language_klass).brew { mv Dir['tessdata/*'], "#{share}/tessdata/" }
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end
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# pre-3.01 language data uses a different URL format and installs differently
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langs_old = {
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'chr' => 'e49b17bb73911926050d45832171a54ab1d1f34c',
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'deu-frak' => '5651562e0d944b5b89cc5977d71482089f12669f',
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'swe-frak' => '22220ad4303ebe290e4e71170e96b488e81a7f1a',
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'chi_tra' => 'a9798de7e068d85613602aa33a153da721aadc82',
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'chi_sim' => '35f0254f159edeed509ec1e0779073bf998b6cdb',
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'ind' => 'f4214ce40c5f6ef92085a8a45e9ff03f7cf7afca',
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'swe' => '55291e8ea664155ad51db867284c11ad1a1c5d00',
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'ron' => 'c20c73a2e17f5fe692de0fe9ac681da3984229ae',
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'slv' => 'fbe464cd49d6a7495e6d95600d421aa2dd0b9d77',
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'srp' => '47afc601b62998e4cc3f7403d846ba861f30b416',
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'tgl' => '153ba1d0ddd209e1581d81d42fe5346f748e2f27',
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'tur' => 'a01da62f3830833b258e2d46ce0f2852571470e6',
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'hun' => '32ecad03877a841fbc0cb31c269214640008d604',
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'fin' => '004d74d13f7b53cbefb86e2ba12bc67dce81d936',
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'ita' => 'c166ba79256f6e7c1b993b2db7403d794131fe05',
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'nld' => 'f7e3d46b1747a19158ac0797e859b65c56b5045f',
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'nor' => 'fb65dede5fbe120823ecdcb0c6cbd1222ae7e245',
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'jpn' => '6d605eee29e76fb841924916bd34095bbbbc45c0',
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'vie' => '9158748a63afe87e4e25b5f32c222555f2ad8417',
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'spa' => '7b30950749e84891fdef5f89409c3cf1b6418cd3',
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'ukr' => '06ceebfd91fa473d6d91f8a2856c66733bea0131',
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'fra' => '8d698bb3b659e862b3274970a57b3214de76f1ff',
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'slk' => '16207e26d53504f98a7b1fadcb873dc4611149ec',
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'kor' => '37bcd8110a426714f54d99f58b30104b3014ce5a',
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'ell' => 'b7a449fc320cc579a729c0352e5cc642f565e64e',
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'rus' => '2740accefc45e4ae004269ccb195948b8037a583',
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'por' => '883e5e1fa1d991ef6d202951ee9d26a71db181dc',
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'bul' => 'a9efae5e347a36ea90bd2ad357e732ad4da47fd3',
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'lav' => 'b4efd308e725d743884f2984f804c82dd5382f63',
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'lit' => '7adbe396a281c0f87c0b95da7e84b5b6029e3dbd',
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'pol' => 'a303fc31b4b60532b01b4ccdc838f02ff0113f27',
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'dan-frak' => 'c0eba6d3ca688a04fd8e3ce45fdbbf20e8e67d45',
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'deu' => 'c4b3ecde18ce9f114faba88cdfd0308f90801266',
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'dan' => 'bfac9c00d28fc4b19034c2098d41087a173084ae',
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'ces' => 'dbec19aa23f42a08e6b195a96e64b443f7519620',
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'cat' => '0301a9c81c1d646bd1b135ca89476fb63bd634f8'
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}
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langs_old.each do |lang, sha1|
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language_klass = <<-EOS
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class #{lang.delete('-').capitalize} < Formula
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url 'http://tesseract-ocr.googlecode.com/files/#{lang}.traineddata.gz',
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:using => GzipOnlyDownloadStrategy
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version '3.00'
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sha1 '#{sha1}'
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end
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#{lang.delete('-').capitalize}.new
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EOS
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eval(language_klass).brew { mv Dir['*'], "#{share}/tessdata/" }
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end
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end
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# This stays around for the English-only build option
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class TesseractEnglishData < Formula
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url 'http://tesseract-ocr.googlecode.com/files/tesseract-ocr-3.01.eng.tar.gz'
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version '3.01'
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md5 '89c139a73e0e7b1225809fc7b226b6c9'
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end
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class Tesseract < Formula
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url 'http://tesseract-ocr.googlecode.com/files/tesseract-3.01.tar.gz'
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homepage 'http://code.google.com/p/tesseract-ocr/'
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md5 '1ba496e51a42358fb9d3ffe781b2d20a'
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depends_on 'libtiff'
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depends_on 'leptonica'
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if MacOS.xcode_version >= "4.3"
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# when and if the tarball provides configure, remove autogen.sh and these deps
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depends_on "automake" => :build
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depends_on "libtool" => :build
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end
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fails_with :llvm do
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build 2206
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cause "Executable 'tesseract' segfaults on 10.6 when compiled with llvm-gcc"
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end
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# mftraining has a missing symbols error when cleaned
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skip_clean 'bin'
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def options
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[["--all-languages", "Install recognition data for all languages"]]
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end
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def install
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system "/bin/sh autogen.sh"
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# explicitly state leptonica header location, as the makefile defaults to /usr/local/include,
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# which doesn't work for non-default homebrew location
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ENV['LIBLEPT_HEADERSDIR'] = "#{HOMEBREW_PREFIX}/include"
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system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}"
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system "make install"
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if ARGV.include? "--all-languages"
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install_language_data
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else
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TesseractEnglishData.new.brew { mv Dir['tessdata/*'], "#{share}/tessdata/" }
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end
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end
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def caveats; <<-EOF.undent
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Tesseract is an OCR (Optical Character Recognition) engine.
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The easiest way to use it is to convert the source to a Grayscale tiff:
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`convert source.png -type Grayscale terre_input.tif`
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then run tesseract:
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`tesseract terre_input.tif output`
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EOF
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end
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end
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