晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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DIR:/opt/alt/ruby18/lib64/ruby/site_ruby/1.8/rubygems/
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Current File : //opt/alt/ruby18/lib64/ruby/site_ruby/1.8/rubygems/gemcutter_utilities.rb
require 'rubygems/remote_fetcher'

module Gem::GemcutterUtilities
  OptionParser.accept Symbol do |value|
    value.to_sym
  end

  ##
  # Add the --key option

  def add_key_option
    add_option('-k', '--key KEYNAME', Symbol,
               'Use the given API key',
               'from ~/.gem/credentials') do |value,options|
      options[:key] = value
    end
  end

  def api_key
    if options[:key] then
      verify_api_key options[:key]
    else
      Gem.configuration.rubygems_api_key
    end
  end

  def sign_in
    return if Gem.configuration.rubygems_api_key

    say "Enter your RubyGems.org credentials."
    say "Don't have an account yet? Create one at http://rubygems.org/sign_up"

    email    =              ask "   Email: "
    password = ask_for_password "Password: "
    say "\n"

    response = rubygems_api_request :get, "api/v1/api_key" do |request|
      request.basic_auth email, password
    end

    with_response response do |resp|
      say "Signed in."
      Gem.configuration.rubygems_api_key = resp.body
    end
  end

  def rubygems_api_request(method, path, host = Gem.host, &block)
    require 'net/http'
    host = ENV['RUBYGEMS_HOST'] if ENV['RUBYGEMS_HOST']
    uri = URI.parse "#{host}/#{path}"

    say "Pushing gem to #{host}..."

    request_method = Net::HTTP.const_get method.to_s.capitalize

    Gem::RemoteFetcher.fetcher.request(uri, request_method, &block)
  end

  def with_response(resp)
    case resp
    when Net::HTTPSuccess then
      if block_given? then
        yield resp
      else
        say resp.body
      end
    else
      say resp.body
      terminate_interaction 1
    end
  end

  def verify_api_key(key)
    if Gem.configuration.api_keys.key? key then
      Gem.configuration.api_keys[key]
    else
      alert_error "No such API key. You can add it with gem keys --add #{key}"
      terminate_interaction 1
    end
  end

end