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# frozen_string_literal: true
require 'open3'
require 'English'
require 'tempfile'
module GettextSetup
module Pot
def self.text_domain
FastGettext.text_domain
end
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
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
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
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}'")
return true if status.exitstatus == 1 || \
/this message is not used/.match(stderr) || \
/this message is used but not defined/.match(stderr)
if stderr =~ /msgcmp: command not found/
puts 'Warning - msgcmp is not present on the system'
return true
end
false
rescue IOError
# probably means msgcmp is not present on the system
# so return true to be on the safe side
true
end
# @param [:locales_path] opts
# The directory for the locales.
# @param [:target_path] opts
# The output path for the new POT file.
# @param [:header_only] opts
# Set to true to create a .pot file with only a header
def self.generate_new_pot(opts = {})
locales_path = opts[:locales_path] || GettextSetup.locales_path
GettextSetup.initialize_config(locales_path)
target_path = opts[:target_path] || pot_file_path
input_files = if opts[:header_only]
tmpfile = Tempfile.new('gettext-setup.tmp')
tmpfile.path
else
files_to_translate.join(' ')
end
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 #{target_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} " \
"#{input_files}")
tmpfile.unlink if tmpfile
$CHILD_STATUS.success?
end
def self.generate_new_po(language, locales_path = GettextSetup.locales_path,
pot_file = nil, po_file = nil)
GettextSetup.initialize_config(locales_path)
language ||= ENV['LANGUAGE']
pot_file ||= GettextSetup::Pot.pot_file_path
po_file ||= GettextSetup::Pot.po_file_path(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
def self.update_pot(locales_path = GettextSetup.locales_path, path = nil)
GettextSetup.initialize_config(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: locales_path, target_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: locales_path, target_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
# @param [:locales_path] opts
# The directory for the locales.
def self.merge(opts = {})
locales_path = opts[:locales_path] || GettextSetup.locales_path
GettextSetup.initialize_config(locales_path)
target_filename = GettextSetup.config['project_name'] + '.pot'
target_path = File.expand_path(target_filename, locales_path)
oldpot_dir = File.expand_path('oldpot', locales_path)
oldpot_path = File.expand_path("oldpot/old_#{target_filename}", locales_path)
if File.exist? target_path
FileUtils.mkdir_p(oldpot_dir)
begin
FileUtils.cp(target_path, oldpot_path)
rescue Errno::ENOENT => e
raise "There was a problem creating .pot backup #{oldpot_path}, merge failed: #{e.message}"
end
puts "Warning - #{target_filename} already exists and will be relocated to oldpot/old_#{target_filename}."
end
locales_glob = Dir.glob("#{locales_path}/*.pot")
cmd = "msgcat #{locales_glob.join(' ')} -o #{target_path}"
_, _, _, wait = Open3.popen3(cmd)
exitstatus = wait.value
raise 'PO files failed to merge' unless exitstatus.success?
puts "PO files have been successfully merged, #{target_filename} has been created."
exitstatus
end
end
end
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