229 lines
7.2 KiB
Ruby
229 lines
7.2 KiB
Ruby
module JsLocaleHelper
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def self.plugin_client_files(locale_str)
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Dir["#{Rails.root}/plugins/*/config/locales/client.#{locale_str}.yml"]
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end
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def self.reloadable_plugins(locale, ctx)
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return unless Rails.env.development?
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plugin_client_files(locale.to_s).each do |file|
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ctx.depend_on(file)
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end
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end
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def self.plugin_translations(locale_str)
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@plugin_translations ||= HashWithIndifferentAccess.new
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@plugin_translations[locale_str] ||= begin
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translations = {}
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plugin_client_files(locale_str).each do |file|
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if plugin_translations = YAML.load_file(file)[locale_str]
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translations.deep_merge!(plugin_translations)
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end
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end
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translations
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end
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end
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def self.load_translations(locale, opts = nil)
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opts ||= {}
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@loaded_translations = nil if opts[:force]
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@plugin_translations = nil if opts[:force]
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@loaded_translations ||= HashWithIndifferentAccess.new
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@loaded_translations[locale] ||= begin
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locale_str = locale.to_s
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# load default translations
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yml_file = "#{Rails.root}/config/locales/client.#{locale_str}.yml"
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if File.exist?(yml_file)
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translations = YAML.load_file(yml_file)
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else
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# If we can't find a base file in Discourse, it might only exist in a plugin
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# so let's start with a basic object we can merge into
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translations = {
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locale_str => {
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'js' => {}
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}
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}
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end
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# merge translations (plugin translations overwrite default translations)
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translations[locale_str]['js'].deep_merge!(plugin_translations(locale_str)['js']) if translations[locale_str] && plugin_translations(locale_str) && plugin_translations(locale_str)['js']
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translations
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end
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end
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# deeply removes keys from "deleting_from" that are already present in "checking_hashes"
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def self.deep_delete_matches(deleting_from, checking_hashes)
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checking_hashes.compact!
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new_hash = deleting_from.dup
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deleting_from.each do |key, value|
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if value.is_a?(Hash)
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new_at_key = deep_delete_matches(deleting_from[key], checking_hashes.map { |h| h[key] })
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if new_at_key.empty?
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new_hash.delete(key)
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else
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new_hash[key] = new_at_key
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end
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else
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if checking_hashes.any? { |h| h.include?(key) }
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new_hash.delete(key)
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end
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end
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end
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new_hash
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end
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def self.load_translations_merged(*locales)
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@loaded_merges ||= {}
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@loaded_merges[locales.join('-')] ||= begin
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all_translations = {}
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merged_translations = {}
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loaded_locales = []
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locales.map(&:to_s).each do |locale|
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all_translations[locale] = load_translations(locale)
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merged_translations[locale] = deep_delete_matches(all_translations[locale][locale], loaded_locales.map { |l| merged_translations[l] })
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loaded_locales << locale
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end
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merged_translations
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end
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end
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def self.translations_for(locale_str)
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current_locale = I18n.locale
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locale_sym = locale_str.to_sym
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site_locale = SiteSetting.default_locale.to_sym
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I18n.locale = locale_sym
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translations =
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if Rails.env.development?
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load_translations(locale_sym, force: true)
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elsif locale_sym == :en
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load_translations(locale_sym)
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elsif locale_sym == site_locale || site_locale == :en
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load_translations_merged(locale_sym, :en)
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else
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load_translations_merged(locale_sym, site_locale, :en)
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end
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I18n.locale = current_locale
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translations
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end
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def self.output_locale(locale)
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locale_str = locale.to_s
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translations = Marshal.load(Marshal.dump(translations_for(locale_str)))
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message_formats = strip_out_message_formats!(translations[locale_str]['js'])
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message_formats.merge!(strip_out_message_formats!(translations[locale_str]['admin_js']))
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result = generate_message_format(message_formats, locale_str)
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translations.keys.each do |locale|
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translations[locale].keys.each do |k|
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translations[locale].delete(k) unless k == "js"
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end
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end
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# I18n
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result << "I18n.translations = #{translations.to_json};\n"
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result << "I18n.locale = '#{locale_str}';\n"
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result << "I18n.pluralizationRules.#{locale_str} = MessageFormat.locale.#{locale_str};\n" if locale_str != "en"
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# moment
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result << File.read("#{Rails.root}/lib/javascripts/moment.js")
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result << moment_locale(locale_str)
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result << moment_formats
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result
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end
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def self.moment_formats
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result = ""
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result << moment_format_function('short_date_no_year')
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result << moment_format_function('short_date')
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result << moment_format_function('long_date')
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result << "moment.fn.relativeAge = function(opts){ return Discourse.Formatter.relativeAge(this.toDate(), opts)};\n"
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end
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def self.moment_format_function(name)
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format = I18n.t("dates.#{name}")
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"moment.fn.#{name.camelize(:lower)} = function(){ return this.format('#{format}'); };\n"
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end
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def self.moment_locale(locale_str)
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# moment.js uses a different naming scheme for locale files
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locale_str = locale_str.tr('_', '-').downcase
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filename = "#{Rails.root}/lib/javascripts/moment_locale/#{locale_str}.js"
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# try the language without the territory
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locale_str = locale_str.split("-")[0]
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filename = "#{Rails.root}/lib/javascripts/moment_locale/#{locale_str}.js" unless File.exists?(filename)
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File.exists?(filename) ? File.read(filename) << "\n" : ""
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end
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def self.generate_message_format(message_formats, locale_str)
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formats = message_formats.map { |k, v| k.inspect << " : " << compile_message_format(locale_str, v) }.join(", ")
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filename = "#{Rails.root}/lib/javascripts/locale/#{locale_str}.js"
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filename = "#{Rails.root}/lib/javascripts/locale/en.js" unless File.exists?(filename)
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result = "MessageFormat = {locale: {}};\n"
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result << "I18n._compiledMFs = {#{formats}};\n"
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result << File.read(filename) << "\n"
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result << File.read("#{Rails.root}/lib/javascripts/messageformat-lookup.js") << "\n"
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end
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def self.reset_context
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@ctx&.dispose
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@ctx = nil
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end
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@mutex = Mutex.new
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def self.with_context
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@mutex.synchronize do
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yield @ctx ||= begin
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ctx = MiniRacer::Context.new
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ctx.load("#{Rails.root}/lib/javascripts/messageformat.js")
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ctx
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end
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end
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end
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def self.compile_message_format(locale, format)
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with_context do |ctx|
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path = "#{Rails.root}/lib/javascripts/locale/#{locale}.js"
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ctx.load(path) if File.exists?(path)
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ctx.eval("mf = new MessageFormat('#{locale}');")
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ctx.eval("mf.precompile(mf.parse(#{format.inspect}))")
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end
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rescue MiniRacer::EvalError => e
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message = "Invalid Format: " << e.message
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"function(){ return #{message.inspect};}"
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end
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def self.strip_out_message_formats!(hash, prefix = "", rval = {})
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if hash.is_a?(Hash)
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hash.each do |key, value|
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if value.is_a?(Hash)
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rval.merge!(strip_out_message_formats!(value, prefix + (prefix.length > 0 ? "." : "") << key, rval))
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elsif key.to_s.end_with?("_MF")
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rval[prefix + (prefix.length > 0 ? "." : "") << key] = value
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hash.delete(key)
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end
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end
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end
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rval
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end
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end
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