Module: GettextSetup::Pot

Defined in:
lib/gettext-setup/pot.rb

Class Method Summary collapse

Class Method Details

.files_to_translate ⇒ Object 



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# File 'lib/gettext-setup/pot.rb', line 12

def self.files_to_translate
  files = (GettextSetup.config['source_files'] || []).map do |p|
    Dir.glob(p)
  end.flatten
  # check for optional list of files to exclude from string
  # extraction
  exclusions = (GettextSetup.config['exclude_files'] || []).map do |p|
    Dir.glob(p)
  end.flatten

  # if file is a directory, take it out of the array. directories
  # cause rxgettext to error out.
  (files - exclusions).reject { |file| File.directory?(file) }
end

.generate_new_po(language, locales_path = GettextSetup.locales_path, pot_file = nil, po_file = nil) ⇒ Object 



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# File 'lib/gettext-setup/pot.rb', line 72

def self.generate_new_po(language, locales_path = GettextSetup.locales_path,
                         pot_file = nil, po_file = nil)
  GettextSetup.initialize(locales_path)
  pot_file ||= GettextSetup::Pot.pot_file_path
  po_file ||= GettextSetup::Pot.po_file_path(language)

  language ||= ENV['LANGUAGE']

  # Let's do some pre-verification of the environment.
  if language.nil?
    puts "You need to specify the language to add. Either 'LANGUAGE=eo rake gettext:po' or 'rake gettext:po[LANGUAGE]'"
    return
  end

  language_path = File.dirname(po_file)
  FileUtils.mkdir_p(language_path)

  if File.exist?(po_file)
    cmd = "msgmerge -U #{po_file} #{pot_file}"
    _, _, _, wait = Open3.popen3(cmd)
    exitstatus = wait.value
    if exitstatus.success?
      puts "PO file #{po_file} merged"
      true
    else
      puts 'PO file merge failed'
      false
    end
  else
    cmd = "msginit --no-translator -l #{language} -o #{po_file} -i #{pot_file}"
    _, _, _, wait = Open3.popen3(cmd)
    exitstatus = wait.value
    if exitstatus.success?
      puts "PO file #{po_file} created"
      true
    else
      puts 'PO file creation failed'
      false
    end
  end
end

.generate_new_pot(locales_path = GettextSetup.locales_path, path = nil) ⇒ Object 



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# File 'lib/gettext-setup/pot.rb', line 53

def self.generate_new_pot(locales_path = GettextSetup.locales_path, path = nil)
  GettextSetup.initialize(locales_path)
  path ||= pot_file_path
  config = GettextSetup.config
  package_name = config['package_name']
  bugs_address = config['bugs_address']
  copyright_holder = config['copyright_holder']
  # Done this way to allow the user to enter an empty string in the config.
  comments_tag = config.key?('comments_tag') ? config['comments_tag'] : 'TRANSLATORS'
  version = `git describe`
  system("rxgettext -o #{path} --no-wrap --sort-by-file " \
         "--add-comments#{comments_tag.to_s == '' ? '' : '=' + comments_tag} --msgid-bugs-address '#{bugs_address}' " \
         "--package-name '#{package_name}' " \
         "--package-version '#{version}' " \
         "--copyright-holder='#{copyright_holder}' --copyright-year=#{Time.now.year} " +
         files_to_translate.join(' '))
  $CHILD_STATUS.success?
end

.po_file_path(language) ⇒ Object 



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# File 'lib/gettext-setup/pot.rb', line 33

def self.po_file_path(language)
  return if GettextSetup.locales_path.nil?
  return if GettextSetup.config['project_name'].nil?
  return if language.nil?
  File.join(GettextSetup.locales_path, language, GettextSetup.config['project_name'] + '.po')
end

.pot_file_path ⇒ Object 



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# File 'lib/gettext-setup/pot.rb', line 27

def self.pot_file_path
  return if GettextSetup.locales_path.nil?
  return if GettextSetup.config['project_name'].nil?
  File.join(GettextSetup.locales_path, GettextSetup.config['project_name'] + '.pot')
end

.string_changes?(old_pot, new_pot) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gettext-setup/pot.rb', line 40

def self.string_changes?(old_pot, new_pot)
  # Warnings will be in another language if locale is not set to en_US
  _, stderr, status = Open3.capture3("LANG=en_US msgcmp --use-untranslated '#{old_pot}' '#{new_pot}'")
  if status.exitstatus == 1 || /this message is not used/.match(stderr) || /this message is used but not defined/.match(stderr)
    return true
  end
  return false
rescue IOError
  # probably means msgcmp is not present on the system
  # so return true to be on the safe side
  return true
end

.text_domain ⇒ Object 



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# File 'lib/gettext-setup/pot.rb', line 8

def self.text_domain
  FastGettext.text_domain
end

.update_pot(locales_path = GettextSetup.locales_path, path = nil) ⇒ Object 



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# File 'lib/gettext-setup/pot.rb', line 114

def self.update_pot(locales_path = GettextSetup.locales_path, path = nil)
  GettextSetup.initialize(locales_path)
  path ||= pot_file_path

  if !File.exist? path
    puts 'No existing POT file, generating new'
    result = GettextSetup::Pot.generate_new_pot(locales_path, path)
    puts "POT file #{path} has been generated" if result
    result
  else
    old_pot = path + '.old'
    File.rename(path, old_pot)
    result = GettextSetup::Pot.generate_new_pot(locales_path, path)
    if !result
      puts 'POT creation failed'
      result
    elsif GettextSetup::Pot.string_changes?(old_pot, path)
      puts 'String changes detected, replacing with updated POT file'
      File.delete(old_pot)
      true
    else
      puts 'No string changes detected, keeping old POT file'
      File.rename(old_pot, path)
      true
    end
  end
end