87 lines
3.5 KiB
Ruby
87 lines
3.5 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/4.1.1.tar.gz"
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sha256 "2a66ff0d8595bff8f04032165e6c936389b1e5727c3ce5a27b3e059d218db1cb"
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license "Apache-2.0"
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head "https://github.com/tesseract-ocr/tesseract.git", branch: "master"
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livecheck do
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url :stable
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regex(/^v?(\d+(?:\.\d+)+)$/i)
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end
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bottle do
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sha256 cellar: :any, arm64_big_sur: "038495152035dbed8ed578eab3c98c911d608ff50ac02ceb8f8408c762d01a27"
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sha256 cellar: :any, big_sur: "6d49823b55a5093041b94bad0fb34e3a06c13d7ec0c677765ee64a88a3608fc0"
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sha256 cellar: :any, catalina: "81ff467946d9c85151c86819034cd183a983b4a3fa10374c7f039a5ec3ef0d82"
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sha256 cellar: :any, mojave: "34eee505fccec07eaab30f14c46f9688db9f3aa578306d47bbcd31801b0b849d"
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sha256 cellar: :any, high_sierra: "6b64585454bcca9b62945b284000723d76afad15b5e80109ca6cdc699ae50e25"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "66b1efe4ccce2f26b0a64b293260042fce0f2b0d5fcdf4a5f63c2887ba5bee11"
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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}",
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"--disable-dependency-tracking",
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"--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
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<<~EOS
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This formula contains only the "eng", "osd", and "snum" language data files.
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If you need any other supported languages, run `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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