class Ipython < Formula
  include Language::Python::Virtualenv

  desc "Interactive computing in Python"
  homepage "https://ipython.org/"
  url "https://files.pythonhosted.org/packages/9e/3f/28518ed1f5701ba42299c7243caacfa188dac495278de54592069ac43c10/ipython-6.2.0.tar.gz"
  sha256 "81b0d6936f87002e6972eccc7e4085f5c2d0673decff22724b53cf34809ffacf"
  head "https://github.com/ipython/ipython.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "34bf30f3e8ab4cfcf5c551b885b2f2eddd02feaf3240930655f0a3506a205df3" => :high_sierra
    sha256 "24b9ec7c8dbc14aad48ba5b72f222f8e3f518014c2fc2f5d5e1a7a64fa5fcecb" => :sierra
    sha256 "c648cb3cf445db02a0d1508a099abfd31531a41ee558f6b85d2c9ac812d78110" => :el_capitan
  end

  depends_on :python3

  resource "appnope" do
    url "https://files.pythonhosted.org/packages/26/34/0f3a5efac31f27fabce64645f8c609de9d925fe2915304d1a40f544cff0e/appnope-0.1.0.tar.gz"
    sha256 "8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71"
  end

  resource "decorator" do
    url "https://files.pythonhosted.org/packages/bb/e0/f6e41e9091e130bf16d4437dabbac3993908e4d6485ecbc985ef1352db94/decorator-4.1.2.tar.gz"
    sha256 "7cb64d38cb8002971710c8899fbdfb859a23a364b7c99dab19d1f719c2ba16b5"
  end

  resource "ipykernel" do
    url "https://files.pythonhosted.org/packages/0c/41/67e16b243b78b49f4b1650d045b63be187c27d20a76f0f7b8e61e0fcb966/ipykernel-4.6.1.tar.gz"
    sha256 "2e1825aca4e2585b5adb7953ea16e53f53a62159ed49952a564b1e23507205db"
  end

  resource "ipython_genutils" do
    url "https://files.pythonhosted.org/packages/e8/69/fbeffffc05236398ebfcfb512b6d2511c622871dca1746361006da310399/ipython_genutils-0.2.0.tar.gz"
    sha256 "eb2e116e75ecef9d4d228fdc66af54269afa26ab4463042e33785b887c628ba8"
  end

  resource "jedi" do
    url "https://files.pythonhosted.org/packages/80/b9/4e9b0b999deeec8a91cb84e567380853a842e6c387c9d39b8fc9a49953fa/jedi-0.10.2.tar.gz"
    sha256 "7abb618cac6470ebbd142e59c23daec5e6e063bfcecc8a43a037d2ab57276f4e"
  end

  resource "jupyter_client" do
    url "https://files.pythonhosted.org/packages/d4/51/09da9a18cd858b28cee596a628660a8cbf9830bdd89fe94361bfe18a0bb4/jupyter_client-5.1.0.tar.gz"
    sha256 "08756b021765c97bc5665390700a4255c2df31666ead8bff116b368d09912aba"
  end

  resource "jupyter_core" do
    url "https://files.pythonhosted.org/packages/2f/39/5138f975100ce14d150938df48a83cd852a3fd8e24b1244f4113848e69e2/jupyter_core-4.3.0.tar.gz"
    sha256 "a96b129e1641425bf057c3d46f4f44adce747a7d60107e8ad771045c36514d40"
  end

  resource "pexpect" do
    url "https://files.pythonhosted.org/packages/e8/13/d0b0599099d6cd23663043a2a0bb7c61e58c6ba359b2656e6fb000ef5b98/pexpect-4.2.1.tar.gz"
    sha256 "3d132465a75b57aa818341c6521392a06cc660feb3988d7f1074f39bd23c9a92"
  end

  resource "pickleshare" do
    url "https://files.pythonhosted.org/packages/69/fe/dd137d84daa0fd13a709e448138e310d9ea93070620c9db5454e234af525/pickleshare-0.7.4.tar.gz"
    sha256 "84a9257227dfdd6fe1b4be1319096c20eb85ff1e82c7932f36efccfe1b09737b"
  end

  resource "prompt_toolkit" do
    url "https://files.pythonhosted.org/packages/8a/ad/cf6b128866e78ad6d7f1dc5b7f99885fb813393d9860778b2984582e81b5/prompt_toolkit-1.0.15.tar.gz"
    sha256 "858588f1983ca497f1cf4ffde01d978a3ea02b01c8a26a8bbc5cd2e66d816917"
  end

  resource "ptyprocess" do
    url "https://files.pythonhosted.org/packages/51/83/5d07dc35534640b06f9d9f1a1d2bc2513fb9cc7595a1b0e28ae5477056ce/ptyprocess-0.5.2.tar.gz"
    sha256 "e64193f0047ad603b71f202332ab5527c5e52aa7c8b609704fc28c0dc20c4365"
  end

  resource "Pygments" do
    url "https://files.pythonhosted.org/packages/71/2a/2e4e77803a8bd6408a2903340ac498cb0a2181811af7c9ec92cb70b0308a/Pygments-2.2.0.tar.gz"
    sha256 "dbae1046def0efb574852fab9e90209b23f556367b5a320c0bcb871c77c3e8cc"
  end

  resource "python-dateutil" do
    url "https://files.pythonhosted.org/packages/54/bb/f1db86504f7a49e1d9b9301531181b00a1c7325dc85a29160ee3eaa73a54/python-dateutil-2.6.1.tar.gz"
    sha256 "891c38b2a02f5bb1be3e4793866c8df49c7d19baabf9c1bad62547e0b4866aca"
  end

  resource "pyzmq" do
    url "https://files.pythonhosted.org/packages/af/37/8e0bf3800823bc247c36715a52e924e8f8fd5d1432f04b44b8cd7a5d7e55/pyzmq-16.0.2.tar.gz"
    sha256 "0322543fff5ab6f87d11a8a099c4c07dd8a1719040084b6ce9162bcdf5c45c9d"
  end

  resource "simplegeneric" do
    url "https://files.pythonhosted.org/packages/3d/57/4d9c9e3ae9a255cd4e1106bb57e24056d3d0709fc01b2e3e345898e49d5b/simplegeneric-0.8.1.zip"
    sha256 "dc972e06094b9af5b855b3df4a646395e43d1c9d0d39ed345b7393560d0b9173"
  end

  resource "six" do
    url "https://files.pythonhosted.org/packages/b3/b2/238e2590826bfdd113244a40d9d3eb26918bd798fc187e2360a8367068db/six-1.10.0.tar.gz"
    sha256 "105f8d68616f8248e24bf0e9372ef04d3cc10104f1980f54d57b2ce73a5ad56a"
  end

  resource "tornado" do
    url "https://files.pythonhosted.org/packages/fa/14/52e2072197dd0e63589e875ebf5984c91a027121262aa08f71a49b958359/tornado-4.5.2.tar.gz"
    sha256 "1fb8e494cd46c674d86fac5885a3ff87b0e283937a47d74eb3c02a48c9e89ad0"
  end

  resource "traitlets" do
    url "https://files.pythonhosted.org/packages/a5/98/7f5ef2fe9e9e071813aaf9cb91d1a732e0a68b6c44a32b38cb8e14c3f069/traitlets-4.3.2.tar.gz"
    sha256 "9c4bd2d267b7153df9152698efb1050a5d84982d3384a37b2c1f7723ba3e7835"
  end

  resource "wcwidth" do
    url "https://files.pythonhosted.org/packages/55/11/e4a2bb08bb450fdbd42cc709dd40de4ed2c472cf0ccb9e64af22279c5495/wcwidth-0.1.7.tar.gz"
    sha256 "3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e"
  end

  def install
    xy = Language::Python.major_minor_version "python3"
    ENV.prepend_create_path "PYTHONPATH", libexec/"vendor/lib/python#{xy}/site-packages"

    # install other resources
    ipykernel = resource("ipykernel")
    (resources - [ipykernel]).each do |r|
      r.stage do
        system "python3", *Language::Python.setup_install_args(libexec/"vendor")
      end
    end

    # install and link IPython
    ENV.prepend_create_path "PYTHONPATH", libexec/"lib/python#{xy}/site-packages"
    system "python3", *Language::Python.setup_install_args(libexec)
    bin.install libexec/"bin/ipython"
    bin.env_script_all_files(libexec/"bin", :PYTHONPATH => ENV["PYTHONPATH"])

    # install IPython man page
    man1.install libexec/"share/man/man1/ipython.1"

    # install IPyKernel
    ipykernel.stage do
      system "python3", *Language::Python.setup_install_args(libexec/"vendor")
    end

    # install kernel
    system libexec/"bin/ipython", "kernel", "install", "--prefix", share
    inreplace share/"share/jupyter/kernels/python3/kernel.json", "]", <<-EOS.undent
      ],
      "env": {
        "PYTHONPATH": "#{ENV["PYTHONPATH"]}"
      }
    EOS
  end

  def post_install
    (etc/"jupyter/kernels/python3").install Dir[share/"share/jupyter/kernels/python3/*"]
  end

  test do
    assert_equal "4", shell_output("#{bin}/ipython -c 'print(2+2)'").chomp

    system bin/"ipython", "kernel", "install", "--prefix", testpath
    assert_predicate testpath/"share/jupyter/kernels/python3/kernel.json", :exist?, "Failed to install kernel"
  end
end