77 lines
2.8 KiB
Ruby
77 lines
2.8 KiB
Ruby
class Tesseract < Formula
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desc "OCR (Optical Character Recognition) engine"
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homepage "https://github.com/tesseract-ocr/"
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url "https://github.com/tesseract-ocr/tesseract/archive/4.1.0.tar.gz"
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sha256 "5c5ed5f1a76888dc57a83704f24ae02f8319849f5c4cf19d254296978a1a1961"
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head "https://github.com/tesseract-ocr/tesseract.git"
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bottle do
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cellar :any
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sha256 "774212dc0edf27447e1d5ba46ae9d3dfb989a90b529e49d15df99b9bb16e73d7" => :mojave
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sha256 "eb9d24e2550bc7f13826306de27ceec45c2ddbde3440976a695c33daefbb204d" => :high_sierra
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sha256 "d118c493ae35173a0eb966dc7641887dc9670772561b7e6ba25bccf4bdaab384" => :sierra
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end
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depends_on "autoconf" => :build
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depends_on "autoconf-archive" => :build
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depends_on "automake" => :build
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depends_on "libtool" => :build
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depends_on "pkg-config" => :build
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depends_on "leptonica"
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depends_on "libtiff"
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resource "eng" do
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url "https://github.com/tesseract-ocr/tessdata_fast/raw/4.0.0/eng.traineddata"
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sha256 "7d4322bd2a7749724879683fc3912cb542f19906c83bcc1a52132556427170b2"
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end
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resource "osd" do
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url "https://github.com/tesseract-ocr/tessdata_fast/raw/4.0.0/osd.traineddata"
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sha256 "9cf5d576fcc47564f11265841e5ca839001e7e6f38ff7f7aacf46d15a96b00ff"
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end
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resource "snum" do
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url "https://github.com/USCDataScience/counterfeit-electronics-tesseract/raw/319a6eeacff181dad5c02f3e7a3aff804eaadeca/Training%20Tesseract/snum.traineddata"
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sha256 "36f772980ff17c66a767f584a0d80bf2302a1afa585c01a226c1863afcea1392"
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end
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resource "testfile" do
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url "https://raw.githubusercontent.com/tesseract-ocr/test/6dd816cdaf3e76153271daf773e562e24c928bf5/testing/eurotext.tif"
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sha256 "7b9bd14aba7d5e30df686fbb6f71782a97f48f81b32dc201a1b75afe6de747d6"
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end
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def install
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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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ENV.cxx11
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system "./autogen.sh"
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system "./configure", "--prefix=#{prefix}", "--disable-dependency-tracking", "--datarootdir=#{HOMEBREW_PREFIX}/share"
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system "make"
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# make install in the local share folder to avoid permission errors
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system "make", "install", "datarootdir=#{share}"
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resource("snum").stage { mv "snum.traineddata", share/"tessdata" }
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resource("eng").stage { mv "eng.traineddata", share/"tessdata" }
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resource("osd").stage { mv "osd.traineddata", share/"tessdata" }
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end
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def caveats; <<~EOS
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This formula contains only the "eng", "osd", and "snum" language data files.
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If you need all the other supported languages, `brew install tesseract-lang`.
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EOS
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end
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test do
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resource("testfile").stage do
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system bin/"tesseract", "./eurotext.tif", "./output", "-l", "eng"
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assert_match "The (quick) [brown] {fox} jumps!\n", File.read("output.txt")
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end
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end
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end
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