Module: Treat::Core::Installer

Defined in:
lib/treat/core/installer.rb

Overview

A dependency manager for Treat language plugins. Usage: Treat::Installer.install(‘language’)

Constant Summary collapse

Server =

Address of the server with the files.

'www.louismullie.com'
StanfordPackages =

Filenames for the Stanford packages.

{
  :minimal => "stanford-core-nlp-minimal.zip",
  :english => "stanford-core-nlp-english.zip",
  :all => "stanford-core-nlp-all.zip"
}
Paths =

Absolute paths required for cp and mkdir.

{
  :tmp => File.absolute_path(Treat.paths.tmp),
  :bin => File.absolute_path(Treat.paths.bin),
  :models => File.absolute_path(Treat.paths.models)
}

Class Method Summary collapse

Class Method Details

.download_punkt_models(language) ⇒ Object 



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# File 'lib/treat/core/installer.rb', line 144

def self.download_punkt_models(language)

  f = "#{language}.yaml"
  dest = "#{Treat.paths.models}punkt/"
  url = "http://#{Server}/treat/punkt/#{f}"
  loc = Schiphol.download(url, 
    download_folder: Treat.paths.tmp
  )
  unless File.readable?(dest)
    puts "- Creating directory models/punkt ..."
    FileUtils.mkdir_p(File.absolute_path(dest))
  end

  puts "- Copying model file to models/punkt ..."
  FileUtils.cp(loc, File.join(Paths[:models], 'punkt', f))
  
  puts "- Cleaning up..."
  FileUtils.rm_rf(Paths[:tmp] + Server)

end

.download_stanford(package = :minimal) ⇒ Object 



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# File 'lib/treat/core/installer.rb', line 94

def self.download_stanford(package = :minimal)
  
  f = StanfordPackages[package]
  url = "http://#{Server}/treat/#{f}"
  loc = Schiphol.download(url, 
    download_folder: Treat.paths.tmp
  )
  puts "- Unzipping package ..."
  dest = File.join(Treat.paths.tmp, 'stanford')
  unzip_stanford(loc, dest)
  
  model_dir = File.join(Paths[:models], 'stanford')
  bin_dir = File.join(Paths[:bin], 'stanford')
  origin = File.join(Paths[:tmp], 'stanford')
  
  # Mac hidden files fix.
  mac_remove = File.join(dest, '__MACOSX')
  if File.readable?(mac_remove)
    FileUtils.rm_rf(mac_remove)
  end
  
  unless File.readable?(bin_dir)
    puts "- Creating directory bin/stanford ..."
    FileUtils.mkdir_p(bin_dir)
  end
  
  unless File.readable?(model_dir)
    puts "- Creating directory models/stanford ..."
    FileUtils.mkdir_p(model_dir)
  end

  puts "- Copying JAR files to bin/stanford " +
       "and model files to models/stanford ..."
  Dir.glob(File.join(origin, '*')) do |f|
    next if ['.', '..'].include?(f)
    if f.index('jar')
      FileUtils.cp(f, File.join(Paths[:bin], 
      'stanford', File.basename(f)))
    elsif FileTest.directory?(f)
      FileUtils.cp_r(f, model_dir)
    end
  end
  
  puts "- Cleaning up..."
  FileUtils.rm_rf(origin)
  
  'Done.'
  
end

.install(language = 'english') ⇒ Object

Install required dependencies and optional dependencies for a specific language.



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# File 'lib/treat/core/installer.rb', line 26

def self.install(language = 'english')
  
  # Require the Rubygem dependency installer.
  silence_warnings do
    require 'rubygems/dependency_installer'
  end
  
  @@installer = Gem::DependencyInstaller.new
  
  if language == 'travis'
    install_travis; return
  end
  
  l = "#{language.to_s.capitalize} language"

  puts "\nTreat Installer, v. #{Treat::VERSION.to_s}\n\n"
  
  begin

    title "Installing core dependencies."
    install_language_dependencies('agnostic')
    
    title "Installing dependencies for the #{l}.\n"
    install_language_dependencies(language)
    
    # If gem is installed only, download models.
    begin
      Gem::Specification.find_by_name('punkt-segmenter')
      title "Downloading models for the Punkt segmenter for the #{l}."
      download_punkt_models(language)
    rescue Gem::LoadError; end

    # If stanford is installed, download models.
    begin
      Gem::Specification.find_by_name('stanford-core-nlp')
      title "Download Stanford Core NLP JARs and " +
      "model files for the the #{l}.\n\n"
      package = (language == :english) ? :english : :all
      download_stanford(package)
    rescue Gem::LoadError; end

  rescue Errno::EACCES => e

    raise Treat::Exception,
    "Couldn't write to file - permission denied (#{e.message}). " +
    "You may need to run Ruby or Rake on sudo."

  end

end

.install_language_dependencies(language) ⇒ Object 



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# File 'lib/treat/core/installer.rb', line 86

def self.install_language_dependencies(language)
  dependencies = Treat.languages[language].dependencies
  puts "No dependencies to install.\n" if dependencies.empty?
  dependencies.each do |dependency|
    install_gem(dependency)
  end
end

.install_travis ⇒ Object

Minimal install for Travis CI.



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# File 'lib/treat/core/installer.rb', line 78

def self.install_travis
  install_language_dependencies(:agnostic)
  install_language_dependencies(:english)
  download_stanford(:minimal)
  download_punkt_models(:english)
end