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class Tesseract < Formula
desc "OCR (Optical Character Recognition) engine"
homepage "https://github.com/tesseract-ocr/"
url "https://github.com/tesseract-ocr/tesseract/archive/4.0.0.tar.gz"
sha256 "a1f5422ca49a32e5f35c54dee5112b11b99928fc9f4ee6695cdc6768d69f61dd"
revision 1
head "https://github.com/tesseract-ocr/tesseract.git"
bottle do
cellar :any
sha256 "46867f03eddad20bbcc7d17580d48ab718c3658291a1e51b928c6b0c2a55100f" => :mojave
sha256 "9a992489da4ea09c66997fbc5c8ffbcb2dd411b4c2acbf23e24497184943aa53" => :high_sierra
sha256 "03209012cb8884dd4224661d47ec9d5190807ae317b04342a4c7a4f97b830895" => :sierra
end
depends_on "autoconf" => :build
depends_on "autoconf-archive" => :build
depends_on "automake" => :build
depends_on "libtool" => :build
depends_on "pkg-config" => :build
depends_on "leptonica"
depends_on "libtiff"
resource "eng" do
url "https://github.com/tesseract-ocr/tessdata_fast/raw/4.0.0/eng.traineddata"
sha256 "7d4322bd2a7749724879683fc3912cb542f19906c83bcc1a52132556427170b2"
end
resource "osd" do
url "https://github.com/tesseract-ocr/tessdata_fast/raw/4.0.0/osd.traineddata"
sha256 "9cf5d576fcc47564f11265841e5ca839001e7e6f38ff7f7aacf46d15a96b00ff"
end
resource "snum" do
url "https://github.com/USCDataScience/counterfeit-electronics-tesseract/raw/319a6eeacff181dad5c02f3e7a3aff804eaadeca/Training%20Tesseract/snum.traineddata"
sha256 "36f772980ff17c66a767f584a0d80bf2302a1afa585c01a226c1863afcea1392"
end
resource "testfile" do
url "https://raw.githubusercontent.com/tesseract-ocr/test/6dd816cdaf3e76153271daf773e562e24c928bf5/testing/eurotext.tif"
sha256 "7b9bd14aba7d5e30df686fbb6f71782a97f48f81b32dc201a1b75afe6de747d6"
end
def install
# explicitly state leptonica header location, as the makefile defaults to /usr/local/include,
# which doesn't work for non-default homebrew location
ENV["LIBLEPT_HEADERSDIR"] = HOMEBREW_PREFIX/"include"
ENV.cxx11
system "./autogen.sh"
system "./configure", "--prefix=#{prefix}", "--disable-dependency-tracking", "--datarootdir=#{HOMEBREW_PREFIX}/share"
system "make"
# make install in the local share folder to avoid permission errors
system "make", "install", "datarootdir=#{share}"
resource("snum").stage { mv "snum.traineddata", share/"tessdata" }
resource("eng").stage { mv "eng.traineddata", share/"tessdata" }
resource("osd").stage { mv "osd.traineddata", share/"tessdata" }
end
def caveats; <<~EOS
This formula containes only the "eng", "osd", and "snum" language data files.
If you need all the other supported languages, `brew install tesseract-lang`.
EOS
end
test do
resource("testfile").stage do
system bin/"tesseract", "./eurotext.tif", "./output", "-l", "eng"
assert_match "The (quick) [brown] {fox} jumps!\n", File.read("output.txt")
end
end
end
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