├── .drone.yml ├── .gitignore ├── .rubocop.yml ├── .travis.yml ├── Gemfile ├── LICENSE ├── README.markdown ├── Rakefile ├── install.rb ├── lib └── simple-rss.rb ├── simple-rss.gemspec └── test ├── base └── base_test.rb ├── data ├── atom.xml ├── media_rss.xml ├── not-rss.xml ├── rss09.rdf ├── rss20.xml └── rss20_utf8.xml └── test_helper.rb /.drone.yml: -------------------------------------------------------------------------------- 1 | image: paintedfox/ruby 2 | script: 3 | - bundle install 4 | - bundle exec rake 5 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | -------------------------------------------------------------------------------- /.rubocop.yml: -------------------------------------------------------------------------------- 1 | # Commonly used screens these days easily fit more than 80 characters. 2 | Metrics/LineLength: 3 | Max: 120 4 | 5 | # Too short methods lead to extraction of single-use methods, which can make 6 | # the code easier to read (by naming things), but can also clutter the class 7 | Metrics/MethodLength: 8 | Max: 20 9 | 10 | # The guiding principle of classes is SRP, SRP can't be accurately measured by LoC 11 | Metrics/ClassLength: 12 | Max: 1500 13 | 14 | # No space makes the method definition shorter and differentiates 15 | # from a regular assignment. 16 | Layout/SpaceAroundEqualsInParameterDefault: 17 | EnforcedStyle: no_space 18 | 19 | # Single quotes being faster is hardly measurable and only affects parse time. 20 | # Enforcing double quotes reduces the times where you need to change them 21 | # when introducing an interpolation. Use single quotes only if their semantics 22 | # are needed. 23 | Style/StringLiterals: 24 | EnforcedStyle: double_quotes -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: ruby 2 | rvm: 3 | - ruby-head 4 | - "2.2" 5 | - "2.1" 6 | - "2.0" 7 | - 1.9.3 8 | - jruby-head 9 | - jruby-19mode 10 | -------------------------------------------------------------------------------- /Gemfile: -------------------------------------------------------------------------------- 1 | source "https://rubygems.org" 2 | 3 | gemspec 4 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU LESSER GENERAL PUBLIC LICENSE 2 | Version 2.1, February 1999 3 | 4 | Copyright (C) 1991, 1999 Free Software Foundation, Inc. 5 | 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | [This is the first released version of the Lesser GPL. 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If you wish to incorporate parts of the Library into other free 427 | programs whose distribution conditions are incompatible with these, 428 | write to the author to ask for permission. For software which is 429 | copyrighted by -------------------------------------------------------------------------------- /README.markdown: -------------------------------------------------------------------------------- 1 | ## Welcome to Simple RSS 2 | 3 | Simple RSS is a simple, flexible, extensible, and liberal RSS and Atom reader 4 | for Ruby. It is designed to be backwards compatible with the standard RSS 5 | parser, but will never do RSS generation. 6 | 7 | ## Download 8 | 9 | * gem install simple-rss 10 | * https://github.com/cardmagic/simple-rss 11 | * git clone git@github.com:cardmagic/simple-rss.git 12 | 13 | ### Usage 14 | The API is similar to Ruby's standard RSS parser: 15 | 16 | require 'rubygems' 17 | require 'simple-rss' 18 | require 'open-uri' 19 | 20 | rss = SimpleRSS.parse open('http://slashdot.org/index.rdf') 21 | 22 | rss.channel.title # => "Slashdot" 23 | rss.channel.link # => "http://slashdot.org/" 24 | rss.items.first.link # => "http://books.slashdot.org/article.pl?sid=05/08/29/1319236&from=rss" 25 | 26 | But since the parser can read Atom feeds as easily as RSS feeds, there are optional aliases that allow more atom like reading: 27 | 28 | rss.feed.title # => "Slashdot" 29 | rss.feed.link # => "http://slashdot.org/" 30 | rss.entries.first.link # => "http://books.slashdot.org/article.pl?sid=05/08/29/1319236&from=rss" 31 | 32 | The parser does not care about the correctness of the XML as it does not use an XML library to read the information. Thus it is flexible and allows for easy extending via: 33 | 34 | SimpleRSS.feed_tags << :some_new_tag 35 | SimpleRSS.item_tags << :"item+myrel" # this will extend SimpleRSS to be able to parse RSS items or ATOM entries that have a rel specified, common in many blogger feeds 36 | SimpleRSS.item_tags << :"feedburner:origLink" # this will extend SimpleRSS to be able to parse RSS items or ATOM entries that have a specific pre-tag specified, common in many feedburner feeds 37 | SimpleRSS.item_tags << :"media:content#url" # this will grab the url attribute of the media:content tag 38 | 39 | ## Authors 40 | 41 | * Lucas Carlson (mailto:lucas@rufy.com) 42 | * Herval Freire (mailto:hervalfreire@gmail.com) 43 | 44 | Inspired by [Blagg](http://www.raelity.org/lang/perl/blagg) from Rael Dornfest. 45 | 46 | This library is released under the terms of the GNU LGPL. 47 | 48 | -------------------------------------------------------------------------------- /Rakefile: -------------------------------------------------------------------------------- 1 | require "rubygems" 2 | require "bundler/setup" 3 | require "rake" 4 | require "rake/testtask" 5 | require "rdoc/task" 6 | require "rubygems/package_task" 7 | require "./lib/simple-rss" 8 | 9 | PKG_VERSION = SimpleRSS::VERSION 10 | PKG_NAME = "simple-rss".freeze 11 | PKG_FILE_NAME = "#{PKG_NAME}-#{PKG_VERSION}".freeze 12 | RUBY_FORGE_PROJECT = "simple-rss".freeze 13 | RUBY_FORGE_USER = ENV["RUBY_FORGE_USER"] || "cardmagic" 14 | RELEASE_NAME = "#{PKG_NAME}-#{PKG_VERSION}".freeze 15 | 16 | PKG_FILES = FileList[ 17 | "lib/*", "bin/*", "test/**/*", "[A-Z]*", "Rakefile", "html/**/*" 18 | ] 19 | 20 | desc "Default Task" 21 | task default: [:test] 22 | 23 | # Run the unit tests 24 | desc "Run all unit tests" 25 | Rake::TestTask.new("test") do |t| 26 | t.libs << %w[lib test] 27 | t.pattern = "test/*/*_test.rb" 28 | t.verbose = true 29 | end 30 | 31 | # Make a console, useful when working on tests 32 | desc "Generate a test console" 33 | task :console do 34 | verbose(false) { sh "irb -I lib/ -r 'simple-rss'" } 35 | end 36 | 37 | # Genereate the RDoc documentation 38 | desc "Create documentation" 39 | Rake::RDocTask.new("doc") do |rdoc| 40 | rdoc.title = "Simple RSS - A Flexible RSS and Atom reader for Ruby" 41 | rdoc.rdoc_dir = "html" 42 | rdoc.rdoc_files.include("README.markdown") 43 | rdoc.rdoc_files.include("lib/*.rb") 44 | end 45 | 46 | # Genereate the package 47 | spec = Gem::Specification.new do |s| 48 | #### Basic information. 49 | 50 | s.name = "simple-rss" 51 | s.version = PKG_VERSION 52 | s.summary = <<-EOF 53 | A simple, flexible, extensible, and liberal RSS and Atom reader for Ruby. It is designed to be backwards compatible with the standard RSS parser, but will never do RSS generation. 54 | EOF 55 | s.description = <<-EOF 56 | A simple, flexible, extensible, and liberal RSS and Atom reader for Ruby. It is designed to be backwards compatible with the standard RSS parser, but will never do RSS generation. 57 | EOF 58 | 59 | #### Which files are to be included in this gem? Everything! (Except CVS directories.) 60 | 61 | s.files = PKG_FILES 62 | 63 | #### Load-time details: library and application (you will need one or both). 64 | 65 | s.require_path = "lib" 66 | 67 | #### Author and project details. 68 | 69 | s.author = "Lucas Carlson" 70 | s.email = "lucas@rufy.com" 71 | s.homepage = "https://github.com/cardmagic/simple-rss" 72 | end 73 | 74 | Gem::PackageTask.new(spec) do |pkg| 75 | pkg.need_zip = true 76 | pkg.need_tar = true 77 | end 78 | 79 | desc "Report code statistics (KLOCs, etc) from the application" 80 | task :stats do 81 | require "code_statistics" 82 | CodeStatistics.new( 83 | %w[Library lib], 84 | %w[Units test] 85 | ).to_s 86 | end 87 | 88 | desc "Publish new documentation" 89 | task :publish do 90 | Rake::RubyForgePublisher.new("simple-rss", "cardmagic").upload 91 | end 92 | 93 | desc "Publish the release files to RubyForge." 94 | task upload: [:package] do 95 | files = ["gem", "tar.gz", "zip"].map { |ext| "pkg/#{PKG_FILE_NAME}.#{ext}" } 96 | 97 | if RUBY_FORGE_PROJECT 98 | require "net/http" 99 | require "open-uri" 100 | 101 | project_uri = "http://rubyforge.org/projects/#{RUBY_FORGE_PROJECT}/" 102 | project_data = open(project_uri, &:read) 103 | group_id = project_data[/[?&]group_id=(\d+)/, 1] 104 | raise "Couldn't get group id" unless group_id 105 | 106 | # This echos password to shell which is a bit sucky 107 | if ENV["RUBY_FORGE_PASSWORD"] 108 | password = ENV["RUBY_FORGE_PASSWORD"] 109 | else 110 | print "#{RUBY_FORGE_USER}@rubyforge.org's password: " 111 | password = STDIN.gets.chomp 112 | end 113 | 114 | login_response = Net::HTTP.start("rubyforge.org", 80) do |http| 115 | data = [ 116 | "login=1", 117 | "form_loginname=#{RUBY_FORGE_USER}", 118 | "form_pw=#{password}" 119 | ].join("&") 120 | http.post("/account/login.php", data) 121 | end 122 | 123 | cookie = login_response["set-cookie"] 124 | raise "Login failed" unless cookie 125 | headers = { "Cookie" => cookie } 126 | 127 | release_uri = "http://rubyforge.org/frs/admin/?group_id=#{group_id}" 128 | release_data = open(release_uri, headers, &:read) 129 | package_id = release_data[/[?&]package_id=(\d+)/, 1] 130 | raise "Couldn't get package id" unless package_id 131 | 132 | first_file = true 133 | release_id = "" 134 | 135 | files.each do |filename| 136 | basename = File.basename(filename) 137 | file_ext = File.extname(filename) 138 | file_data = File.open(filename, "rb", &:read) 139 | 140 | puts "Releasing #{basename}..." 141 | 142 | release_response = Net::HTTP.start("rubyforge.org", 80) do |http| 143 | release_date = Time.now.strftime("%Y-%m-%d %H:%M") 144 | type_map = { 145 | ".zip" => "3000", 146 | ".tgz" => "3110", 147 | ".gz" => "3110", 148 | ".gem" => "1400" 149 | }; type_map.default = "9999" 150 | type = type_map[file_ext] 151 | boundary = "rubyqMY6QN9bp6e4kS21H4y0zxcvoor" 152 | 153 | query_hash = if first_file 154 | { 155 | "group_id" => group_id, 156 | "package_id" => package_id, 157 | "release_name" => RELEASE_NAME, 158 | "release_date" => release_date, 159 | "type_id" => type, 160 | "processor_id" => "8000", # Any 161 | "release_notes" => "", 162 | "release_changes" => "", 163 | "preformatted" => "1", 164 | "submit" => "1" 165 | } 166 | else 167 | { 168 | "group_id" => group_id, 169 | "release_id" => release_id, 170 | "package_id" => package_id, 171 | "step2" => "1", 172 | "type_id" => type, 173 | "processor_id" => "8000", # Any 174 | "submit" => "Add This File" 175 | } 176 | end 177 | 178 | query = "?" + query_hash.map do |(name, value)| 179 | [name, URI.encode(value)].join("=") 180 | end.join("&") 181 | 182 | data = [ 183 | "--" + boundary, 184 | "Content-Disposition: form-data; name=\"userfile\"; filename=\"#{basename}\"", 185 | "Content-Type: application/octet-stream", 186 | "Content-Transfer-Encoding: binary", 187 | "", file_data, "" 188 | ].join("\x0D\x0A") 189 | 190 | release_headers = headers.merge( 191 | "Content-Type" => "multipart/form-data; boundary=#{boundary}" 192 | ) 193 | 194 | target = first_file ? "/frs/admin/qrs.php" : "/frs/admin/editrelease.php" 195 | http.post(target + query, data, release_headers) 196 | end 197 | 198 | if first_file 199 | release_id = release_response.body[/release_id=(\d+)/, 1] 200 | raise("Couldn't get release id") unless release_id 201 | end 202 | 203 | first_file = false 204 | end 205 | end 206 | end 207 | -------------------------------------------------------------------------------- /install.rb: -------------------------------------------------------------------------------- 1 | require "rbconfig" 2 | require "find" 3 | require "ftools" 4 | 5 | include Config 6 | 7 | # this was adapted from rdoc's install.rb by ways of Log4r 8 | 9 | $sitedir = CONFIG["sitelibdir"] 10 | unless $sitedir 11 | version = CONFIG["MAJOR"] + "." + CONFIG["MINOR"] 12 | $libdir = File.join(CONFIG["libdir"], "ruby", version) 13 | $sitedir = $LOAD_PATH.find { |x| x =~ /site_ruby/ } 14 | if !$sitedir 15 | $sitedir = File.join($libdir, "site_ruby") 16 | elsif $sitedir !~ Regexp.quote(version) 17 | $sitedir = File.join($sitedir, version) 18 | end 19 | end 20 | 21 | makedirs = %w[shipping] 22 | makedirs.each { |f| File.makedirs(File.join($sitedir, *f.split(/\//))) } 23 | 24 | Dir.chdir("lib") 25 | begin 26 | require "rubygems" 27 | require "rake" 28 | rescue LoadError 29 | puts 30 | puts "Please install Gem and Rake from http://rubyforge.org/projects/rubygems and http://rubyforge.org/projects/rake" 31 | puts 32 | exit(-1) 33 | end 34 | 35 | files = FileList["**/*"] 36 | 37 | # File::safe_unlink *deprecated.collect{|f| File.join($sitedir, f.split(/\//))} 38 | files.each do |f| 39 | File.install(f, File.join($sitedir, *f.split(/\//)), 0o644, true) 40 | end 41 | -------------------------------------------------------------------------------- /lib/simple-rss.rb: -------------------------------------------------------------------------------- 1 | require "cgi" 2 | require "time" 3 | 4 | class SimpleRSS 5 | VERSION = "1.3.3".freeze 6 | 7 | attr_reader :items, :source 8 | alias entries items 9 | 10 | @@feed_tags = %i[ 11 | id 12 | title subtitle link 13 | description 14 | author webMaster managingEditor contributor 15 | pubDate lastBuildDate updated dc:date 16 | generator language docs cloud 17 | ttl skipHours skipDays 18 | image logo icon rating 19 | rights copyright 20 | textInput feedburner:browserFriendly 21 | itunes:author itunes:category 22 | ] 23 | 24 | @@item_tags = %i[ 25 | id 26 | title link link+alternate link+self link+edit link+replies 27 | author contributor 28 | description summary content content:encoded comments 29 | pubDate published updated expirationDate modified dc:date 30 | category guid 31 | trackback:ping trackback:about 32 | dc:creator dc:title dc:subject dc:rights dc:publisher 33 | feedburner:origLink 34 | media:content#url media:content#type media:content#height media:content#width media:content#duration 35 | media:title media:thumbnail#url media:thumbnail#height media:thumbnail#width 36 | media:credit media:credit#role 37 | media:category media:category#scheme 38 | ] 39 | 40 | def initialize(source, options={}) 41 | @source = source.respond_to?(:read) ? source.read : source.to_s 42 | @items = [] 43 | @options = {}.update(options) 44 | 45 | parse 46 | end 47 | 48 | def channel 49 | self 50 | end 51 | alias feed channel 52 | 53 | class << self 54 | def feed_tags 55 | @@feed_tags 56 | end 57 | 58 | def feed_tags=(ft) 59 | @@feed_tags = ft 60 | end 61 | 62 | def item_tags 63 | @@item_tags 64 | end 65 | 66 | def item_tags=(it) 67 | @@item_tags = it 68 | end 69 | 70 | # The strict attribute is for compatibility with Ruby's standard RSS parser 71 | def parse(source, options={}) 72 | new source, options 73 | end 74 | end 75 | 76 | private 77 | 78 | def parse 79 | raise SimpleRSSError, "Poorly formatted feed" unless @source =~ %r{<(channel|feed).*?>.*?}mi 80 | 81 | # Feed's title and link 82 | feed_content = Regexp.last_match(1) if @source =~ %r{(.*?)<(rss:|atom:)?(item|entry).*?>.*?}mi 83 | 84 | @@feed_tags.each do |tag| 85 | if feed_content && feed_content =~ %r{<(rss:|atom:)?#{tag}(.*?)>(.*?)}mi 86 | nil 87 | elsif feed_content && feed_content =~ %r{<(rss:|atom:)?#{tag}(.*?)\/\s*>}mi 88 | nil 89 | elsif @source =~ %r{<(rss:|atom:)?#{tag}(.*?)>(.*?)}mi 90 | nil 91 | elsif @source =~ %r{<(rss:|atom:)?#{tag}(.*?)\/\s*>}mi 92 | nil 93 | end 94 | 95 | next unless Regexp.last_match(2) || Regexp.last_match(3) 96 | tag_cleaned = clean_tag(tag) 97 | instance_variable_set("@#{tag_cleaned}", clean_content(tag, Regexp.last_match(2), Regexp.last_match(3))) 98 | self.class.class_eval("attr_reader :#{tag_cleaned}") 99 | end 100 | 101 | # RSS items' title, link, and description 102 | @source.scan(%r{<(rss:|atom:)?(item|entry)([\s][^>]*)?>(.*?)}mi) do |match| 103 | item = {} 104 | @@item_tags.each do |tag| 105 | if tag.to_s.include?("+") 106 | tag_data = tag.to_s.split("+") 107 | tag = tag_data[0] 108 | rel = tag_data[1] 109 | if match[3] =~ %r{<(rss:|atom:)?#{tag}(.*?)rel=['"]#{rel}['"](.*?)>(.*?)}mi 110 | nil 111 | elsif match[3] =~ %r{<(rss:|atom:)?#{tag}(.*?)rel=['"]#{rel}['"](.*?)/\s*>}mi 112 | nil 113 | end 114 | item[clean_tag("#{tag}+#{rel}")] = clean_content(tag, Regexp.last_match(3), Regexp.last_match(4)) if Regexp.last_match(3) || Regexp.last_match(4) 115 | elsif tag.to_s.include?("#") 116 | tag_data = tag.to_s.split("#") 117 | tag = tag_data[0] 118 | attrib = tag_data[1] 119 | if match[3] =~ %r{<(rss:|atom:)?#{tag}(.*?)#{attrib}=['"](.*?)['"](.*?)>(.*?)}mi 120 | nil 121 | elsif match[3] =~ %r{<(rss:|atom:)?#{tag}(.*?)#{attrib}=['"](.*?)['"](.*?)/\s*>}mi 122 | nil 123 | end 124 | item[clean_tag("#{tag}_#{attrib}")] = clean_content(tag, attrib, Regexp.last_match(3)) if Regexp.last_match(3) 125 | else 126 | if match[3] =~ %r{<(rss:|atom:)?#{tag}(.*?)>(.*?)}mi 127 | nil 128 | elsif match[3] =~ %r{<(rss:|atom:)?#{tag}(.*?)/\s*>}mi 129 | nil 130 | end 131 | item[clean_tag(tag)] = clean_content(tag, Regexp.last_match(2), Regexp.last_match(3)) if Regexp.last_match(2) || Regexp.last_match(3) 132 | end 133 | end 134 | def item.method_missing(name, *_args) 135 | self[name] 136 | end 137 | @items << item 138 | end 139 | end 140 | 141 | def clean_content(tag, attrs, content) 142 | content = content.to_s 143 | case tag 144 | when :pubDate, :lastBuildDate, :published, :updated, :expirationDate, :modified, :'dc:date' 145 | begin 146 | Time.parse(content) 147 | rescue StandardError 148 | unescape(content) 149 | end 150 | when :author, :contributor, :skipHours, :skipDays 151 | unescape(content.gsub(/<.*?>/, "")) 152 | else 153 | content.empty? && "#{attrs} " =~ /href=['"]?([^'"]*)['" ]/mi ? Regexp.last_match(1).strip : unescape(content) 154 | end 155 | end 156 | 157 | def clean_tag(tag) 158 | tag.to_s.tr(":", "_").intern 159 | end 160 | 161 | def unescape(content) 162 | if content =~ /([^-_.!~*'()a-zA-Z\d;\/?:@&=+$,\[\]]%)/ 163 | CGI.unescape(content) 164 | else 165 | content 166 | end.gsub(/()/, "").strip 167 | end 168 | end 169 | 170 | class SimpleRSSError < StandardError 171 | end 172 | -------------------------------------------------------------------------------- /simple-rss.gemspec: -------------------------------------------------------------------------------- 1 | Gem::Specification.new do |s| 2 | s.name = "simple-rss" 3 | s.version = "1.3.3" 4 | s.version = "#{s.version}-alpha-#{ENV['TRAVIS_BUILD_NUMBER']}" if ENV["TRAVIS"] 5 | s.date = "2015-08-17" 6 | s.summary = "A simple, flexible, extensible, and liberal RSS and Atom reader for Ruby. It is designed to be backwards compatible with the standard RSS parser, but will never do RSS generation." 7 | s.email = "lucas@rufy.com" 8 | s.homepage = "http://github.com/cardmagic/simple-rss" 9 | s.description = "A simple, flexible, extensible, and liberal RSS and Atom reader for Ruby. It is designed to be backwards compatible with the standard RSS parser, but will never do RSS generation." 10 | s.authors = ["Lucas Carlson"] 11 | s.files = ["install.rb", "lib", "lib/simple-rss.rb", "LICENSE", "Rakefile", "README.markdown", "simple-rss.gemspec", "test", "test/base", "test/base/base_test.rb", "test/data", "test/data/atom.xml", "test/data/not-rss.xml", "test/data/rss09.rdf", "test/data/rss20.xml", "test/test_helper.rb"] 12 | s.rubyforge_project = "simple-rss" 13 | s.add_development_dependency "rake" 14 | s.add_development_dependency "rdoc" 15 | s.add_development_dependency "test-unit" 16 | end 17 | -------------------------------------------------------------------------------- /test/base/base_test.rb: -------------------------------------------------------------------------------- 1 | require "test_helper" 2 | class BaseTest < Test::Unit::TestCase 3 | def setup 4 | @rss09 = SimpleRSS.parse open(File.dirname(__FILE__) + "/../data/rss09.rdf") 5 | @rss20 = SimpleRSS.parse open(File.dirname(__FILE__) + "/../data/rss20.xml") 6 | @rss20_utf8 = SimpleRSS.parse open(File.dirname(__FILE__) + "/../data/rss20_utf8.xml") 7 | @media_rss = SimpleRSS.parse open(File.dirname(__FILE__) + "/../data/media_rss.xml") 8 | @atom = SimpleRSS.parse open(File.dirname(__FILE__) + "/../data/atom.xml") 9 | end 10 | 11 | def test_channel 12 | assert_equal @rss09, @rss09.channel 13 | assert_equal @rss20, @rss20.channel 14 | assert_equal @atom, @atom.feed 15 | end 16 | 17 | def test_items 18 | assert_kind_of Array, @rss09.items 19 | assert_kind_of Array, @rss20.items 20 | assert_kind_of Array, @atom.entries 21 | end 22 | 23 | def test_rss09 24 | assert_equal 10, @rss09.items.size 25 | assert_equal "Slashdot", @rss09.title 26 | assert_equal "http://slashdot.org/", @rss09.channel.link 27 | assert_equal "http://books.slashdot.org/article.pl?sid=05/08/29/1319236&from=rss", @rss09.items.first.link 28 | assert_equal "http://books.slashdot.org/article.pl?sid=05/08/29/1319236&from=rss", @rss09.items.first[:link] 29 | assert_equal Time.parse("Wed Aug 24 13:33:34 UTC 2005"), @rss20.items.first.pubDate 30 | assert_equal Time.parse("Fri Sep 09 02:52:31 PDT 2005"), @rss09.channel.dc_date 31 | end 32 | 33 | def test_media_rss 34 | assert_equal 20, @media_rss.items.size 35 | assert_equal "Uploads from herval", @media_rss.title 36 | assert_equal "http://www.flickr.com/photos/herval/", @media_rss.channel.link 37 | assert_equal "http://www.flickr.com/photos/herval/4671960608/", @media_rss.items.first.link 38 | assert_equal "http://www.flickr.com/photos/herval/4671960608/", @media_rss.items.first[:link] 39 | assert_equal "http://farm5.static.flickr.com/4040/4671960608_10cb945d5c_o.jpg", @media_rss.items.first.media_content_url 40 | assert_equal "image/jpeg", @media_rss.items.first.media_content_type 41 | assert_equal "3168", @media_rss.items.first.media_content_height 42 | assert_equal "4752", @media_rss.items.first.media_content_width 43 | assert_equal "Woof?", @media_rss.items.first.media_title 44 | assert_equal "http://farm5.static.flickr.com/4040/4671960608_954d2297bc_s.jpg", @media_rss.items.first.media_thumbnail_url 45 | assert_equal "75", @media_rss.items.first.media_thumbnail_height 46 | assert_equal "75", @media_rss.items.first.media_thumbnail_width 47 | assert_equal "herval", @media_rss.items.first.media_credit 48 | assert_equal "photographer", @media_rss.items.first.media_credit_role 49 | assert_equal "pets frodo", @media_rss.items.first.media_category 50 | assert_equal "urn:flickr:tags", @media_rss.items.first.media_category_scheme 51 | end 52 | 53 | def test_rss20 54 | assert_equal 10, @rss20.items.size 55 | assert_equal "Technoblog", @rss20.title 56 | assert_equal "http://tech.rufy.com", @rss20.channel.link 57 | assert_equal "http://feeds.feedburner.com/rufytech?m=68", @rss20.items.first.link 58 | assert_equal "http://feeds.feedburner.com/rufytech?m=68", @rss20.items.first[:link] 59 | assert_equal "This is an XML content feed. It is intended to be viewed in a newsreader or syndicated to another site.", @rss20.channel.feedburner_browserFriendly 60 | end 61 | 62 | def test_atom 63 | assert_equal 1, @atom.entries.size 64 | assert_equal "dive into mark", @atom.title 65 | assert_equal "http://example.org/", @atom.feed.link 66 | assert_equal "http://example.org/2005/04/02/atom", @atom.entries.first.link 67 | assert_equal "http://example.org/2005/04/02/atom", @atom.entries.first[:link] 68 | end 69 | 70 | def test_bad_feed 71 | assert_raise(SimpleRSSError) { SimpleRSS.parse(open(File.dirname(__FILE__) + "/../data/not-rss.xml")) } 72 | end 73 | 74 | def test_rss_utf8 75 | assert_equal 2, @rss20_utf8.items.size 76 | assert_equal "SC5 Blog", @rss20_utf8.title 77 | assert_equal Encoding::UTF_8, @rss20_utf8.title.encoding 78 | item = @rss20_utf8.items.first 79 | assert_equal "Mitä asiakkaamme ajattelevat meistä?", item.title 80 | assert_equal Encoding::UTF_8, item.title.encoding 81 | end 82 | end 83 | -------------------------------------------------------------------------------- /test/data/atom.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | dive into mark 4 | 5 | A <em>lot</em> of effort 6 | went into making this effortless 7 | 8 | 2005-07-31T12:29:29Z 9 | tag:example.org,2003:3 10 | 12 | 14 | Copyright (c) 2003, Mark Pilgrim 15 | 16 | Example Toolkit 17 | 18 | 19 | Atom draft-07 snapshot 20 | 22 | 24 | tag:example.org,2003:3.2397 25 | 2005-07-31T12:29:29Z 26 | 2003-12-13T08:29:29-04:00 27 | 28 | Mark Pilgrim 29 | http://example.org/ 30 | f8dy@example.com 31 | 32 | 33 | Sam Ruby 34 | 35 | 36 | Joe Gregorio 37 | 38 | 40 |
41 |

[Update: The Atom draft is finished.]

42 |
43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /test/data/media_rss.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 8 | 9 | 10 | Uploads from herval 11 | http://www.flickr.com/photos/herval/ 12 | 13 | Sat, 05 Jun 2010 07:41:10 -0700 14 | Sat, 05 Jun 2010 07:41:10 -0700 15 | http://www.flickr.com/ 16 | 17 | http://farm1.static.flickr.com/10/buddyicons/38685293@N00.jpg?1163805574#38685293@N00 18 | Uploads from herval 19 | http://www.flickr.com/photos/herval/ 20 | 21 | 22 | 23 | Woof? 24 | http://www.flickr.com/photos/herval/4671960608/ 25 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 26 | 27 | <p><a href="http://www.flickr.com/photos/herval/4671960608/" title="Woof?"><img src="http://farm5.static.flickr.com/4040/4671960608_954d2297bc_m.jpg" width="240" height="160" alt="Woof?" /></a></p> 28 | 29 | 30 | Sat, 05 Jun 2010 07:41:10 -0700 31 | 2010-05-14T12:50:22-08:00 32 | nobody@flickr.com (herval) 33 | tag:flickr.com,2004:/photo/4671960608 34 | 38 | Woof? 39 | 40 | herval 41 | pets frodo 42 | http://creativecommons.org/licenses/by/2.0/deed.en 43 | 44 | 45 | 46 | Nostalgia... 47 | http://www.flickr.com/photos/herval/4671333397/ 48 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 49 | 50 | <p><a href="http://www.flickr.com/photos/herval/4671333397/" title="Nostalgia..."><img src="http://farm5.static.flickr.com/4015/4671333397_168fc15434_m.jpg" width="240" height="180" alt="Nostalgia..." /></a></p> 51 | 52 | 53 | Sat, 05 Jun 2010 07:40:01 -0700 54 | 2010-01-29T14:48:45-08:00 55 | nobody@flickr.com (herval) 56 | tag:flickr.com,2004:/photo/4671333397 57 | 61 | Nostalgia... 62 | 63 | herval 64 | atari gadgets 65 | http://creativecommons.org/licenses/by/2.0/deed.en 66 | 67 | 68 | Priest vs Rat 69 | http://www.flickr.com/photos/herval/4671957076/ 70 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 71 | 72 | <p><a href="http://www.flickr.com/photos/herval/4671957076/" title="Priest vs Rat"><img src="http://farm5.static.flickr.com/4016/4671957076_d1c92be2fc_m.jpg" width="240" height="180" alt="Priest vs Rat" /></a></p> 73 | 74 | 75 | Sat, 05 Jun 2010 07:39:36 -0700 76 | 2009-12-28T05:10:35-08:00 77 | nobody@flickr.com (herval) 78 | tag:flickr.com,2004:/photo/4671957076 79 | 83 | Priest vs Rat 84 | 85 | herval 86 | toys miniatures warhammer 87 | http://creativecommons.org/licenses/by/2.0/deed.en 88 | 89 | 90 | Daily Grind 91 | http://www.flickr.com/photos/herval/4671322569/ 92 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 93 | 94 | <p><a href="http://www.flickr.com/photos/herval/4671322569/" title="Daily Grind"><img src="http://farm5.static.flickr.com/4030/4671322569_4db1dbd92c_m.jpg" width="180" height="240" alt="Daily Grind" /></a></p> 95 | 96 | 97 | Sat, 05 Jun 2010 07:35:08 -0700 98 | 2009-03-21T16:14:26-08:00 99 | nobody@flickr.com (herval) 100 | tag:flickr.com,2004:/photo/4671322569 101 | 105 | Daily Grind 106 | 107 | herval 108 | toys lausanne 109 | http://creativecommons.org/licenses/by/2.0/deed.en 110 | 111 | 112 | 2800 bucks for a... rocket? 113 | http://www.flickr.com/photos/herval/4671944552/ 114 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 115 | 116 | <p><a href="http://www.flickr.com/photos/herval/4671944552/" title="2800 bucks for a... rocket?"><img src="http://farm5.static.flickr.com/4062/4671944552_ab9ce00759_m.jpg" width="180" height="240" alt="2800 bucks for a... rocket?" /></a></p> 117 | 118 | 119 | Sat, 05 Jun 2010 07:33:59 -0700 120 | 2009-03-21T16:09:37-08:00 121 | nobody@flickr.com (herval) 122 | tag:flickr.com,2004:/photo/4671944552 123 | 127 | 2800 bucks for a... rocket? 128 | 129 | herval 130 | toys lausanne 131 | http://creativecommons.org/licenses/by/2.0/deed.en 132 | 133 | 134 | Era um pexão desss tamain, seu pádi! 135 | http://www.flickr.com/photos/herval/4671942836/ 136 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 137 | 138 | <p><a href="http://www.flickr.com/photos/herval/4671942836/" title="Era um pexão desss tamain, seu pádi!"><img src="http://farm5.static.flickr.com/4002/4671942836_a77fa26653_m.jpg" width="180" height="240" alt="Era um pexão desss tamain, seu pádi!" /></a></p> 139 | 140 | 141 | Sat, 05 Jun 2010 07:33:10 -0700 142 | 2009-03-21T16:02:22-08:00 143 | nobody@flickr.com (herval) 144 | tag:flickr.com,2004:/photo/4671942836 145 | 149 | Era um pexão desss tamain, seu pádi! 150 | 151 | herval 152 | toys lausanne 153 | http://creativecommons.org/licenses/by/2.0/deed.en 154 | 155 | 156 | Jazz 157 | http://www.flickr.com/photos/herval/4671941140/ 158 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 159 | 160 | <p><a href="http://www.flickr.com/photos/herval/4671941140/" title="Jazz"><img src="http://farm5.static.flickr.com/4043/4671941140_3fdc1969c1_m.jpg" width="180" height="240" alt="Jazz" /></a></p> 161 | 162 | 163 | Sat, 05 Jun 2010 07:32:19 -0700 164 | 2009-03-21T15:56:49-08:00 165 | nobody@flickr.com (herval) 166 | tag:flickr.com,2004:/photo/4671941140 167 | 171 | Jazz 172 | 173 | herval 174 | toys lausanne 175 | http://creativecommons.org/licenses/by/2.0/deed.en 176 | 177 | 178 | RIP 179 | http://www.flickr.com/photos/herval/4671315019/ 180 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 181 | 182 | <p><a href="http://www.flickr.com/photos/herval/4671315019/" title="RIP"><img src="http://farm2.static.flickr.com/1276/4671315019_4f76fd9d6b_m.jpg" width="180" height="240" alt="RIP" /></a></p> 183 | 184 | 185 | Sat, 05 Jun 2010 07:31:29 -0700 186 | 2009-03-21T15:56:34-08:00 187 | nobody@flickr.com (herval) 188 | tag:flickr.com,2004:/photo/4671315019 189 | 193 | RIP 194 | 195 | herval 196 | toys lausanne 197 | http://creativecommons.org/licenses/by/2.0/deed.en 198 | 199 | 200 | Squirrel! 201 | http://www.flickr.com/photos/herval/4671936958/ 202 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 203 | 204 | <p><a href="http://www.flickr.com/photos/herval/4671936958/" title="Squirrel!"><img src="http://farm5.static.flickr.com/4062/4671936958_d0081a624e_m.jpg" width="180" height="240" alt="Squirrel!" /></a></p> 205 | 206 | 207 | Sat, 05 Jun 2010 07:30:22 -0700 208 | 2009-03-21T15:56:18-08:00 209 | nobody@flickr.com (herval) 210 | tag:flickr.com,2004:/photo/4671936958 211 | 215 | Squirrel! 216 | 217 | herval 218 | toys lausanne 219 | http://creativecommons.org/licenses/by/2.0/deed.en 220 | 221 | 222 | We didn't start the fire! 223 | http://www.flickr.com/photos/herval/4671310347/ 224 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 225 | 226 | <p><a href="http://www.flickr.com/photos/herval/4671310347/" title="We didn't start the fire!"><img src="http://farm5.static.flickr.com/4058/4671310347_6a9562ce7d_m.jpg" width="240" height="180" alt="We didn't start the fire!" /></a></p> 227 | 228 | 229 | Sat, 05 Jun 2010 07:29:22 -0700 230 | 2009-03-21T15:54:11-08:00 231 | nobody@flickr.com (herval) 232 | tag:flickr.com,2004:/photo/4671310347 233 | 237 | We didn't start the fire! 238 | 239 | herval 240 | toys lausanne 241 | http://creativecommons.org/licenses/by/2.0/deed.en 242 | 243 | 244 | I can haz colorful buttons? 245 | http://www.flickr.com/photos/herval/4629471316/ 246 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 247 | 248 | <p><a href="http://www.flickr.com/photos/herval/4629471316/" title="I can haz colorful buttons?"><img src="http://farm5.static.flickr.com/4045/4629471316_9a930391d8_m.jpg" width="240" height="160" alt="I can haz colorful buttons?" /></a></p> 249 | 250 | 251 | Sat, 22 May 2010 08:13:39 -0700 252 | 2010-04-27T20:15:23-08:00 253 | nobody@flickr.com (herval) 254 | tag:flickr.com,2004:/photo/4629471316 255 | 259 | I can haz colorful buttons? 260 | 261 | herval 262 | pets dogs frodo 263 | http://creativecommons.org/licenses/by/2.0/deed.en 264 | 265 | 266 | Day Off 267 | http://www.flickr.com/photos/herval/4629467180/ 268 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 269 | 270 | <p><a href="http://www.flickr.com/photos/herval/4629467180/" title="Day Off"><img src="http://farm4.static.flickr.com/3350/4629467180_1e86e00d89_m.jpg" width="240" height="180" alt="Day Off" /></a></p> 271 | 272 | 273 | Sat, 22 May 2010 08:11:38 -0700 274 | 2010-03-31T18:38:31-08:00 275 | nobody@flickr.com (herval) 276 | tag:flickr.com,2004:/photo/4629467180 277 | 281 | Day Off 282 | 283 | herval 284 | pets dogs frodo 285 | http://creativecommons.org/licenses/by/2.0/deed.en 286 | 287 | 288 | Skaven Mutant 289 | http://www.flickr.com/photos/herval/4628865501/ 290 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 291 | 292 | <p><a href="http://www.flickr.com/photos/herval/4628865501/" title="Skaven Mutant"><img src="http://farm5.static.flickr.com/4019/4628865501_9314a7f9bf_m.jpg" width="240" height="160" alt="Skaven Mutant" /></a></p> 293 | 294 | 295 | Sat, 22 May 2010 08:11:15 -0700 296 | 2010-02-09T12:03:31-08:00 297 | nobody@flickr.com (herval) 298 | tag:flickr.com,2004:/photo/4628865501 299 | 303 | Skaven Mutant 304 | 305 | herval 306 | toys miniatures warhammer 307 | http://creativecommons.org/licenses/by/2.0/deed.en 308 | 309 | 310 | Treefolk 311 | http://www.flickr.com/photos/herval/4628863247/ 312 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 313 | 314 | <p><a href="http://www.flickr.com/photos/herval/4628863247/" title="Treefolk"><img src="http://farm5.static.flickr.com/4011/4628863247_fbecba8b95_m.jpg" width="160" height="240" alt="Treefolk" /></a></p> 315 | 316 | 317 | Sat, 22 May 2010 08:10:15 -0700 318 | 2010-02-09T11:57:34-08:00 319 | nobody@flickr.com (herval) 320 | tag:flickr.com,2004:/photo/4628863247 321 | 325 | Treefolk 326 | 327 | herval 328 | toys miniatures warhammer 329 | http://creativecommons.org/licenses/by/2.0/deed.en 330 | 331 | 332 | Wag the Dog 333 | http://www.flickr.com/photos/herval/4629462208/ 334 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 335 | 336 | <p><a href="http://www.flickr.com/photos/herval/4629462208/" title="Wag the Dog"><img src="http://farm4.static.flickr.com/3183/4629462208_cac54ea81c_m.jpg" width="160" height="240" alt="Wag the Dog" /></a></p> 337 | 338 | 339 | Sat, 22 May 2010 08:09:18 -0700 340 | 2010-02-09T09:31:59-08:00 341 | nobody@flickr.com (herval) 342 | tag:flickr.com,2004:/photo/4629462208 343 | 347 | Wag the Dog 348 | 349 | herval 350 | pets dogs frodo 351 | http://creativecommons.org/licenses/by/2.0/deed.en 352 | 353 | 354 | Salonu Flower 355 | http://www.flickr.com/photos/herval/4629460214/ 356 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 357 | 358 | <p><a href="http://www.flickr.com/photos/herval/4629460214/" title="Salonu Flower"><img src="http://farm4.static.flickr.com/3371/4629460214_b6652b15fb_m.jpg" width="180" height="240" alt="Salonu Flower" /></a></p> 359 | 360 | 361 | Sat, 22 May 2010 08:08:27 -0700 362 | 2009-11-01T15:15:52-08:00 363 | nobody@flickr.com (herval) 364 | tag:flickr.com,2004:/photo/4629460214 365 | 369 | Salonu Flower 370 | 371 | herval 372 | girls saopaulo michelle 373 | http://creativecommons.org/licenses/by/2.0/deed.en 374 | 375 | 376 | Michelle Poppins 377 | http://www.flickr.com/photos/herval/4629458716/ 378 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 379 | 380 | <p><a href="http://www.flickr.com/photos/herval/4629458716/" title="Michelle Poppins"><img src="http://farm5.static.flickr.com/4001/4629458716_71b5fa1d06_m.jpg" width="180" height="240" alt="Michelle Poppins" /></a></p> 381 | 382 | 383 | Sat, 22 May 2010 08:07:49 -0700 384 | 2009-03-29T22:22:49-08:00 385 | nobody@flickr.com (herval) 386 | tag:flickr.com,2004:/photo/4629458716 387 | 391 | Michelle Poppins 392 | 393 | herval 394 | girls salzburg michelle 395 | http://creativecommons.org/licenses/by/2.0/deed.en 396 | 397 | 398 | Minancora 399 | http://www.flickr.com/photos/herval/4629420374/ 400 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 401 | 402 | <p><a href="http://www.flickr.com/photos/herval/4629420374/" title="Minancora"><img src="http://farm4.static.flickr.com/3396/4629420374_9425d896b3_m.jpg" width="180" height="240" alt="Minancora" /></a></p> 403 | 404 | 405 | Sat, 22 May 2010 07:49:12 -0700 406 | 2010-04-24T14:30:56-08:00 407 | nobody@flickr.com (herval) 408 | tag:flickr.com,2004:/photo/4629420374 409 | 413 | Minancora 414 | 415 | herval 416 | vintage posters 417 | http://creativecommons.org/licenses/by/2.0/deed.en 418 | 419 | 420 | Biotônico Fontoura 421 | http://www.flickr.com/photos/herval/4628818099/ 422 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 423 | 424 | <p><a href="http://www.flickr.com/photos/herval/4628818099/" title="Biotônico Fontoura"><img src="http://farm4.static.flickr.com/3338/4628818099_8030072577_m.jpg" width="180" height="240" alt="Biotônico Fontoura" /></a></p> 425 | 426 | 427 | Sat, 22 May 2010 07:48:51 -0700 428 | 2010-04-24T14:30:50-08:00 429 | nobody@flickr.com (herval) 430 | tag:flickr.com,2004:/photo/4628818099 431 | 435 | Biotônico Fontoura 436 | 437 | herval 438 | vintage posters 439 | http://creativecommons.org/licenses/by/2.0/deed.en 440 | 441 | 442 | Kodak 443 | http://www.flickr.com/photos/herval/4629419090/ 444 | <p><a href="http://www.flickr.com/people/herval/">herval</a> posted a photo:</p> 445 | 446 | <p><a href="http://www.flickr.com/photos/herval/4629419090/" title="Kodak"><img src="http://farm5.static.flickr.com/4056/4629419090_ced5e88c49_m.jpg" width="180" height="240" alt="Kodak" /></a></p> 447 | 448 | 449 | Sat, 22 May 2010 07:48:31 -0700 450 | 2010-04-24T14:30:40-08:00 451 | nobody@flickr.com (herval) 452 | tag:flickr.com,2004:/photo/4629419090 453 | 457 | Kodak 458 | 459 | herval 460 | vintage posters 461 | http://creativecommons.org/licenses/by/2.0/deed.en 462 | 463 | 464 | 465 | -------------------------------------------------------------------------------- /test/data/not-rss.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | This ain't RSS! 4 | 5 | 6 | No, this is HTML, not RSS. 7 | 8 | -------------------------------------------------------------------------------- /test/data/rss09.rdf: -------------------------------------------------------------------------------- 1 | 2 | 3 | 7 | 8 | 9 | Slashdot 10 | http://slashdot.org/ 11 | News for nerds, stuff that matters 12 | 2005-09-09T02:52:31-07:00 13 | 14 | 15 | 16 | Slashdot 17 | http://images.slashdot.org/topics/topicslashdot.gif 18 | http://slashdot.org/ 19 | 20 | 21 | 22 | JBoss - A Developer's Notebook 23 | http://books.slashdot.org/article.pl?sid=05/08/29/1319236&from=rss 24 | 2005-09-09T02:52:31-07:00 25 | 26 | 27 | 28 | Apple Hedges Its Bet on New Intel Chips 29 | http://hardware.slashdot.org/article.pl?sid=05/08/29/1314219&from=rss 30 | 31 | 32 | 33 | Beowulf Pioneer Lured From Cal Tech to LSU 34 | http://slashdot.org/article.pl?sid=05/08/29/1035240&from=rss 35 | 36 | 37 | 38 | Google Talk Claims Openness, Lacks S2S Support 39 | http://it.slashdot.org/article.pl?sid=05/08/29/1022242&from=rss 40 | 41 | 42 | 43 | The End of the Bar Code 44 | http://slashdot.org/article.pl?sid=05/08/29/1020220&from=rss 45 | 46 | 47 | 48 | 2.6.13 Linux Kernel Released 49 | http://linux.slashdot.org/article.pl?sid=05/08/29/0334205&from=rss 50 | 51 | 52 | 53 | HOWTO: The Anti-Printer 54 | http://hardware.slashdot.org/article.pl?sid=05/08/29/1016204&from=rss 55 | 56 | 57 | 58 | OSDL Skeptical Of Joint Study with Microsoft 59 | http://linux.slashdot.org/article.pl?sid=05/08/29/0625224&from=rss 60 | 61 | 62 | 63 | New Mad Cow Test on the Horizon? 64 | http://science.slashdot.org/article.pl?sid=05/08/29/0619259&from=rss 65 | 66 | 67 | 68 | Coffee A Health Drink? 69 | http://science.slashdot.org/article.pl?sid=05/08/29/0342207&from=rss 70 | 71 | 72 | 73 | Search Slashdot 74 | Search Slashdot stories 75 | query 76 | http://slashdot.org/search.pl 77 | 78 | 79 | -------------------------------------------------------------------------------- /test/data/rss20.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | Technoblog 8 | http://tech.rufy.com 9 | Lucas Carlson's jounal of the technical ramblings. Contains tutorials, howto's, and rants and ravings. 10 | Thu, 25 Aug 2005 00:16:16 +0000 11 | http://wordpress.org/?v=1.5 12 | en 13 | 14 | This is an XML content feed. It is intended to be viewed in a newsreader or syndicated to another site. 15 | 16 | some_string.starts_with? “Foo” || some_string.ends_with? “bar.” 17 | http://feeds.feedburner.com/rufytech?m=68 18 | http://tech.rufy.com/entry/82#comments 19 | Wed, 24 Aug 2005 13:33:34 +0000 20 | Lucas Carlson 21 | Programming 22 | Ruby 23 | http://tech.rufy.com/entry/82 24 | 49 | I also liked:

50 | 

 51 | x = s.startswith('Go')
 52 | x = s.endswith('Go')
 53 |
54 |

So I made:

55 | 

 56 | class String
 57 |   def starts_with?(str)
 58 |     self.index( str ) == 0
 59 |   end
 60 | 	
 61 |   def ends_with?(str)
 62 |     self.rindex( str ) == self.length - str.length
 63 |   end
 64 | end
 65 |
66 |

So you can do this:

67 | 

 68 | some_string.starts_with? 'Foo' || some_string.ends_with? 'bar.'
 69 |
70 | 71 |

]]> 72 | http://tech.rufy.com/entry/82/feed/ 73 | http://tech.rufy.com/entry/82 74 | 75 | 76 | if some_object.in? [1, 2, 3] 77 | http://feeds.feedburner.com/rufytech?m=67 78 | http://tech.rufy.com/entry/81#comments 79 | Wed, 24 Aug 2005 12:53:46 +0000 80 | Lucas Carlson 81 | Programming 82 | Ruby 83 | http://tech.rufy.com/entry/81 84 | 107 | Looking over some Python code, I really really like the syntax:

108 | 

109 | if some_object in [1, 2, 3]:
110 |   do_something
111 |
112 |

So I wrote this:

113 | 

114 | class Object
115 |   def in?(collection)
116 |     collection.respond_to?(:include?) ? collection.include?(self) : false
117 |   end
118 | end
119 |
120 |

So you can now do:

121 | 

122 | if some_object.in? [1, 2, 3]
123 |   do_something
124 | end
125 |
126 | 127 |

]]> 128 | http://tech.rufy.com/entry/81/feed/ 129 | http://tech.rufy.com/entry/81 130 | 131 | 132 | Y Combinator’s 2005 Summer Founders Program: A Complete Dud 133 | http://feeds.feedburner.com/rufytech?m=66 134 | http://tech.rufy.com/entry/80#comments 135 | Wed, 10 Aug 2005 18:23:20 +0000 136 | Lucas Carlson 137 | General 138 | http://tech.rufy.com/entry/80 139 | 140 | I know that by writing this I may well be killing any chances at future funding from Paul Graham and Co. over at Y Combinator, but this was downright atrocious. Let me preface this by saying I am personally disappointed because I applied to the Summer Founders Program and was rejected. From what I can tell, I can reproduce in a weekend what took these people 3 months to accomplish.

141 |

Background

142 |

Paul Graham started a VC for mini startups called Y Combinator. They gave 9 groups $6,000-10,000 PER PERSON to work on any website they wanted for 3 months. My entry was Web Collaborator. During my summer, I created Print Promotion, worked on a top secret project with Adaptive Path that will soon change the way you feel about blogging, and am now working with O’Reilly on an amazingly innovative project. Quite productive for 3 months.

143 |

Conclusion

144 |

In that same time, 2 of the 9 groups (groups consisted of at least 2-3 people) came up with the following:

145 |
    146 |
  • Reddit: A rip-off of the ideas behind Del.ici.ous and Digg built in Lisp. (there apparently is more to the application than has been released, but I am not impressed so far)
    • 147 |
  • Brain Guppy: A cheap rip-off of Hot or Not for narcissistic geeks built in Ruby on Rails.
    • 148 |
  • Stuff Guppy: A cheaper rip-off of Hot or Not where you rate whether “stuff” is cool or crappy, also built in Ruby on Rails. Their best dud ideas include selling crappy Cafepress t-shirts and showing ads. Question someone should have asked them: who wants to look at crap after 8 hours at work?
    • 149 |
150 |

What do they all have in common?

151 |
    152 |
  • They are all cheap rip-offs of other people’s ideas
    • 153 |
  • They are hardly innovative
    • 154 |
  • They have little-to-no technical merit, I can reproduce Stuff Guppy in a weekend. Alone.
    • 155 |
  • They are not very popular
    • 156 |
  • None of these have the potential to be a self-sustaining business
    • 157 |
158 |

What a waste of over $30,000 for the above web sites. Some of the sites made during the 24 hours of Rails Day were better than what these guys came up with. 24 HOURS! I am sorry Paul Graham and Co, but if this is what you have to show, I am totally unimpressed (though I still want the money to work on some ideas of mine :) ).

159 |

As a friend pointed out, “the key criterion here seems to be ‘would be fun to code’, not ‘people will want to use’ or ‘will make money’”. Which is terribly ironic since Paul constantly harps on people to focus on the later. Another case of do what I say, not what I do.

160 |

Update: Maybe 3 of 9 isn’t as big a sample as I thought. I just came across another one: ClickFacts. It seems that ClickFacts has attempted to assert itself as an expert on ad fraud. To me though, this seems like they were thinking “what would Google buy?”, which is better than the 3 mentioned above but to me it seems cheep and shallow. Just my impression.

161 |

This account says that “at least half of the startups in the program are seriously cool” so maybe I have just seen the bad half. 162 |

163 | 164 |

]]> 165 | http://tech.rufy.com/entry/80/feed/ 166 | http://tech.rufy.com/entry/80 167 | 168 | 169 | OSCon 2005: Lucas 170 | http://feeds.feedburner.com/rufytech?m=65 171 | http://tech.rufy.com/entry/79#comments 172 | Mon, 08 Aug 2005 11:43:47 +0000 173 | Lucas Carlson 174 | General 175 | http://tech.rufy.com/entry/79 176 | 182 | 183 |
184 |
185 |
186 | OSCon 2005: Lucas
187 |
188 | Originally uploaded by x180.
189 | 190 | 191 |

I was shot at OSCON. Thanks Duncan!
192 |
193 |

194 | 195 |

]]> 196 | http://tech.rufy.com/entry/79/feed/ 197 | http://tech.rufy.com/entry/79 198 | 199 | 200 | OSCON 2005: Matz Talks about Yielding to the Power of Blocks in Ruby 201 | http://feeds.feedburner.com/rufytech?m=64 202 | http://tech.rufy.com/entry/78#comments 203 | Thu, 04 Aug 2005 08:33:42 +0000 204 | Lucas Carlson 205 | General 206 | http://tech.rufy.com/entry/78 207 | 212 | I am sitting and waiting for Matz to talk about blocks right now. Keep watching, I will post notes as I go.

213 |

The room is packed with people even sitting on the floor to get a peak.

214 |

Unlike many of the other talks, many people are taking pictures of this one… mainly of the audience. I guess they find it as interesting as I do that people are crawling over themselves to get to this talk.
215 |

216 |
    217 |
  • The secret of Ruby’s attraction is blocks
    • 218 |
219 |
    220 |
  • Last year: No Ruby Track at OSCON
    • 221 |
  • Last year: 65 attendees to RubyConf
    • 222 |
223 |
    224 |
  • This year: Ruby Track at OSCON
    • 225 |
  • This year: Ruby tutorials are most popular
    • 226 |
  • This year: More than 250 pre-registered for RubyConf
    • 227 |
228 |

But Why?

229 |
    230 |
  • Hacker Preference – Paul Graham
    • 231 |
  • A Killer Application – Ruby on Rails 232 |
      233 |
    • Attractive Enough
      • 234 |
    • User Bait
      • 235 |
    • Gets people used to the language
      • 236 |
    • “I am sure that Python people will catch up” (in jest)
      • 237 |
    238 |
    • 239 |
240 |

Ruby on Rails

241 |
    242 |
  • Claimed more than 10x productivity than typical Java Web Development
    • 243 |
  • Convention over Configuration
    • 244 |
  • Following DRY principles
    • 245 |
246 |

DRY: Don’t Repeat Yourself

247 |
    248 |
  • One of the most important principles in Programming
    • 249 |
  • The source of productivity
    • 250 |
251 |
    252 |
  • What enables Rails productivity and attracts Alpha Geeks like yourself
    • 253 |
  • That something is the dynamic nature inherited from Lisp and Smalltalk
    • 254 |
  • In Familiar Syntax
    • 255 |
256 |

Block

257 |
    258 |
  • Unique and poserful 259 |
      260 |
    • Makes it very attractive
      • 261 |
    • Power of Higher Order Function
      • 262 |
    • Closures and Syntax are powerful
      • 263 |
    264 |
    • 265 |
  • CollectionClosureMethod—Read this essay if you can’t stand my poor english
    • 266 |
267 |

268 | 

269 | employees.each do |e|
270 |   e.do_something
271 | end
272 | 	
273 | managers = employees.select {|e| e.manager?}
274 | 	
275 | offices = employees.collect {|e| e.office}
276 | 	
277 | sorted_employees = employees.sort_by {|e| e.lastname}
278 |
279 |

280 |
    281 |
  • No difference between { } and do … end except precidence
    • 282 |
  • A higher order function is a function that takes another function as an argument
    • 283 |
  • C’s qsort is an example of a higher order function since the function takes a comparison in its argument
    • 284 |
285 |

Closure

286 |
    287 |
  • Sharing local variables among functions
    • 288 |
289 |

290 | 

291 | def high_paid_employees(employees, limit)
292 |   employees.collect{|e| e.salary > limit}
293 | end
294 |
295 |

296 |
    297 |
  • Notice that limit is used WITHIN the block
    • 298 |
299 |

300 | 

301 | def stack_closure
302 |   stack = []
303 |   push = lambda {|x| stack.push(x)}
304 |   pop = lambda {stack.pop}
305 |   pop = lambda {stack[-1]}
306 |   return push, pop, top
307 | end
308 | 	
309 | pusher, popper, topper = stack_closures()
310 | pusher.call(10)
311 | pusher.call(20)
312 | popper.call # => 20
313 | topper.call # => 10
314 |
315 |

316 |

Syntax

317 |
    318 |
  • Every language with closures can do the same thing. What’s the difference? Syntax
    • 319 |
  • Lisp and smalltalk’s syntax are more convoluted
    • 320 |
  • Python has something but not as easy to read
    • 321 |
  • Ruby’s syntax for a block and block invocation is different
    • 322 |
  • Just add a block at the end of a method call
    • 323 |
  • It’s easy to emulate a new control structure
    • 324 |
325 |

Syntax Matters

326 |

327 | 

328 | # C
329 | 	
330 | for (int i=0; i<3; i++) {
331 |   do_something();
332 | }
333 | 	
334 | # Ruby
335 | 	
336 | 3.times do
337 |   do_something
338 | end
339 |
340 |

341 |
    342 |
  • You might think that the C version is “macho” but it is not
    • 343 |
  • Ruby is ultimate simplicity
    • 344 |
345 |

346 | 

347 | (setq new-list (mapcar (lambda (e) (do-process e)) list))
348 |
349 |

350 |
    351 |
  • Block covers macro useage in Lisp
    • 352 |
  • Hates Smalltalk’s mixture of braces and parentheses
    • 353 |
354 |

Block invocation

355 |
    356 |
  • Either: yield, call, or passing functions
    • 357 |
  • Passing a block argument with an & in the argument list
    • 358 |
  • Why 3 styles of invocation: 359 |
      360 |
    • Historical reason: yield comes first from CLU
      • 361 |
    • Performance reason: plain yield did not need object creation (more efficient)
      • 362 |
    • But the argument is more explicit
      • 363 |
    364 |
    • 365 |
366 |

Block Usuages

367 |
    368 |
  • Iteration (each, upto, downto)
    • 369 |
  • Sort and comparison (sort_by, sort, max, max_by)
    • 370 |
  • Ensuring post process
    • 371 |
372 |

Bad way:
373 | 374 | 

375 |   f = open(path)
376 |   begin
377 |     ... something with f ...
378 |   ensure
379 |     f.close
380 |   end
381 |
382 |

383 |

Good way
384 | 385 | 

386 |   open(path) do |f|
387 |     ... something with f ...
388 |   end
389 |
390 |

391 |

Conditionals (select, detect, reject, collect, find_all, find, delete_if)
392 | 393 | 

394 |   result = []
395 |   art.each do |x| if x%2  0; push x; end; end
396 |   ary.collect{|x| x%2  0}
397 |
398 |

399 |

Callbacks
400 | Structure (like XML generation via builder)
401 | Enumarable
402 | ** require 'enumerator'; include Enumerable to get several methods for free by defining the each method (18 methods including reject, select, max, etc. for free)
403 | 404 | 

405 | ary = [4,2,1]
406 | ary.to_enum(:each_with_index).reject { |x,i| i%2==0 } # => [[4,0], [1,3]]
407 |
408 |

409 |
    410 |
  • You can specify what you want more clearly and cleanly than other languages
    • 411 |
412 |

Questions

413 |
    414 |
  • What is your blog? 415 | 418 |
    • 419 |
  • Slides URL? 420 | 423 |
    • 424 |
  • Can you talk about your plans to change blocks in Ruby 2.0? 425 |
      426 |
    • We have no plans to change blocks, just the lambda definition (using → operator instead of lambda which is too long and clumbsy, being a unicode operator)
      • 427 |
    • Take → from Perl 6 since Perl 6 took so much from Ruby ;)
      • 428 |
    429 |
    • 430 |
  • Can you pass multiple blocks into a function? 431 |
      432 |
    • No, only one. That restriction is not always a bad thing. By restricting to one block it is easier to emulate the control structure. If you want multiple blocks you can pass lambdas as arguments explicitly.
      • 433 |
    434 |
    • 435 |
  • What else is coming up in the near future for Ruby 436 |
      437 |
    • A faster VM and several changes are planned for real multiple values in Ruby 2
      • 438 |
    439 |
    • 440 |
  • Is there a chance there might be a code browser smalltalk style working with Ruby? 441 |
      442 |
    • Someone in the community is working on that. There is the Eclipse plugin and FreeRIDE.
      • 443 |
    444 |
    • 445 |
  • Are we going to get any cool new modules in the STDLIB? 446 |
      447 |
    • I just don’t remember, but very few just because it is fairly easy to get the new libraries with Rubygems so we don’t need to bundle everything. We are planning to make package management like Rubygems standard.
      • 448 |
    449 |
    • 450 |
  • Ruby allows you to add and alias system methods and classes. This is good and bad because I don’t want other libraries to modify the classes. Anything I can do to protect? 451 |
      452 |
    • Currently there is no way to prevent that. I have a vague idea to select a namespace that prevents overriding functions and limit it in that file. I haven’t yet figured out the idea to implement it efficiently, but I can tell that there is this potential problem that I want to solve your concern but don’t know how yet.
      • 453 |
    454 |
    • 455 |
456 |

Notes

457 |
    458 |
  • Matz uses Emacs and some version of Linux ons small panasonic laptop
    • 459 |
460 | 461 |

]]> 462 | http://tech.rufy.com/entry/78/feed/ 463 | http://tech.rufy.com/entry/78 464 | 465 | 466 | OSCON 2005: Business For Geeks 467 | http://feeds.feedburner.com/rufytech?m=63 468 | http://tech.rufy.com/entry/77#comments 469 | Mon, 01 Aug 2005 09:49:53 +0000 470 | Lucas Carlson 471 | General 472 | http://tech.rufy.com/entry/77 473 | 476 | I am at Business for Geeks right now waiting for Marc Hedlund to teach me fun stuff.

477 |

the idea

478 |
    479 |
  • Don’t talk about how the product works. Tell them about the market.
    • 480 |
  • “I’ve got this idea”
    • 481 |
  • Obsess about the need I will fulfill
    • 482 |
  • Talk about the need
    • 483 |
  • You will never have an idea where everybody likes the idea/company name
    • 484 |
  • Don’t sit down for a day/week/month to come up with ideas to pick the best one
    • 485 |
  • “the idea that won’t leave you alone” – the one you can’t talk yourself into but you can’t stop thinking about
    • 486 |
  • Doesn’t match with a VC model of idea finding
    • 487 |
  • Every VC told Google that their idea was stupid, that they had to put banner ads, Google stuck to their ideals
    • 488 |
489 |

Idea that failed: “Popular Power”

490 |
    491 |
  • Like SETI, screen saver that does large computing tasks
    • 492 |
  • Recycling for computing time
    • 493 |
  • First commercial company to do this in 2000
    • 494 |
  • Idea came from Lucas Films star wars episode 1: wanted to make an applet that would be used to render one frame of episode 1 on each computer
    • 495 |
  • Sold to companies who had many computers behind a firewall
    • 496 |
  • Grid computing is being talked about but has not become a successful idea
    • 497 |
  • Start with the things that matter to you, is there a need, is there a market?
    • 498 |
499 |

Worked with Flickr, delious, odea, etc.
500 | Flickr

501 |
    502 |
  • Started as an online game site for girls in canada
    • 503 |
  • Chat interface in flash and threw in the photo thing
    • 504 |
  • People love the photo and hate the chat
    • 505 |
  • Started out having nothing to do with photos
    • 506 |
  • 1 year working on the game, and in 3 months made the chat room which was launched O’Reilly Etech, 2 months later they had another product: photo sharing
    • 507 |
  • Kept doing things to see what people like
    • 508 |
  • Plan wasn’t to defeat Ofoto
    • 509 |
  • Could have chosen to be acquired or VC, sold to Google which was a “Good idea”
    • 510 |
511 |

Bloglines

512 |
    513 |
  • Mark Fletcher started it, having sold egroups to yahoo for millions to fund this
    • 514 |
  • Wrote some code to manage his own RSS feeds
    • 515 |
  • Sharing with friends
    • 516 |
  • Sharing with wider groups
    • 517 |
518 |

37signals

519 |
    520 |
  • Consulting and web site design
    • 521 |
  • Let’s build a tool to communicate with clients better: Enter Basecamp
    • 522 |
523 |

Odeo and Delicious

524 |
    525 |
  • what’s the business? I don’t know, but I think it might be big
    • 526 |
  • anything you can come up with can be a feature of yahoo’s site
    • 527 |
  • what went wrong with Delicious is they took money: when you take VC the company sets a very high bar
    • 528 |
  • when no plan of money coming in and a high acquisition price due to taking VC, this is a bad idea
    • 529 |
530 |

Provisional Patent ~ $900

531 |

the format

532 |
    533 |
  • project in your current company
    • 534 |
  • sideline, nighttime
    • 535 |
  • patents
    • 536 |
  • see what happens
    • 537 |
  • small/bootstrapped startup company
    • 538 |
  • funded startup
    • 539 |
540 |

the “business” view

541 |

market research

542 |
    543 |
  • How to validate an idea, how to come up with information about it
    • 544 |
545 |

taking the plunge

546 |
    547 |
  • decision to start a company
    • 548 |
549 |

team

550 |
    551 |
  • often get wrong
    • 552 |
553 |

fundraising

554 |
    555 |
  • VC process
    • 556 |
  • You become a salesperson to sell your company’s stock
    • 557 |
  • VC’s do not start new companies
    • 558 |
  • Customers, a customer, consulting, angel investors, bank loans, government grants, yourself
    • 559 |
  • Flickr got a government grant
    • 560 |
  • Focus on the business first, not the funding
    • 561 |
  • Get good press
    • 562 |
  • build the product, get users, make money, don’t spend it, get to break-even: then and only then do you think about growth plan/vc
    • 563 |
  • What does VC get you? money, for a while. credibility (maybe). guidance and review. some introductions. advocates for the company.
    • 564 |
  • You are no longer the boss.
    • 565 |
  • TRICK: the best way to get vc is not to need it
    • 566 |
  • vc-backed competitors (sometimes) need big partners
    • 567 |
  • no means maybe, yes means maybe
    • 568 |
  • term sheet is a page or two about investing. 3/5 term sheets ended up in a no. After a long while of improvements they turned around and said yes.
    • 569 |
  • keep at it, can take 8+ rejections to get a yes
    • 570 |
  • 5 yes’es from VC but didn’t get anything but lunch
    • 571 |
  • If there are a group of people that offer VC, close as fast as you can as long as you like the people. Close, close, close. Don’t wait for the perfect one.
    • 572 |
  • Go with someone who is honest but might scare you rather than someone who is always saying great things and will probably fire you when they own the company
    • 573 |
  • !!! Funding is more than a full time job
    • 574 |
  • Bad idea to do marketing, bizdev, sales yourself
    • 575 |
  • 10 ftf = 1 term sheeet
    • 576 |
  • 3 term sheets = 1 financing
    • 577 |
  • from pitch to term sheet: 2 months (may be 10 or more meetings)
    • 578 |
  • from term sheet to money: 1 month
    • 579 |
  • total time to get money: 4-12 months
    • 580 |
  • vc is a business, too
    • 581 |
  • Tim Oren’s blog is good: “No Exit: When VC isn’t right”
    • 582 |
  • funders != founder && investors != inventors
    • 583 |
  • august and december – Many of the investors are on vacation and nothing gets done
    • 584 |
  • June is a good time for investments, September/October is a great time to get meetings
    • 585 |
  • ppt: 10-15 slides
    • 586 |
  • executive summary, 2-3 pages
    • 587 |
  • an intro to a vc
    • 588 |
589 |

the first release

590 |
    591 |
  • build the simplest thing that could possibly work
    • 592 |
593 |

“marketing”

594 |
    595 |
  • the geek view: “google doesn’t buy ads, so can I, the product is so great that marketing isn’t needed”
    • 596 |
  • the “product marketing handbook for software”
    • 597 |
598 |

success or failure

599 |
    600 |
  • (acquisition and IPO || sustainable business)
    • 601 |
  • failing at a startup is extremely hard: laying people off, financial peril, home stress, loss of investor’s money
    • 602 |
603 |

a case study: GripeJuice

604 |
    605 |
  • create a collective bargaining site for consumers hit with bad customer service
    • 606 |
  • a way to keep track of complaints and share experiences
    • 607 |
  • very high manual effort for consumer
    • 608 |
  • frustration and willingness to pay are disjointed (on the 8th call)
    • 609 |
  • tested price point very low
    • 610 |
  • probably doesn’t solve the problem for people
    • 611 |
  • “all the biggest complainers will be your biggest customers” so you have to deal with the big complainers
    • 612 |
  • pursuing it as a free site to attract attention to a company he wants to persue
    • 613 |
614 |

learning more

615 |
    616 |
  • on pitches: Brad Feld: The torturous world of PowerPoint: http://feld.com/blog/
    • 617 |
  • VentureBlog: Presenting Your Company – http://www.ventureblog.com/
    • 618 |
  • Joel on Software – http://joelonsoftware.com/
    • 619 |
  • Eric Sink: the Business of Software – http://software.ericsink.com/bos/Business_of_Software.html
    • 620 |
  • Book: What the Numbers Say
    • 621 |
  • Book: Art of the Start – http://garage.com/
    • 622 |
623 | 624 |

]]> 625 | http://tech.rufy.com/entry/77/feed/ 626 | http://tech.rufy.com/entry/77 627 | 628 | 629 | Does Ruby on Rails scale? A clear and definitive answer 630 | http://feeds.feedburner.com/rufytech?m=62 631 | http://tech.rufy.com/entry/76#comments 632 | Thu, 28 Jul 2005 23:25:36 +0000 633 | Lucas Carlson 634 | Programming 635 | Ruby 636 | http://tech.rufy.com/entry/76 637 | 640 | The last post on this page ends with “I’ll just have to do the damn tests myself”. What tests? I never knew there was a set of tests that could be done against any framework or programming language to definitively say it “scales”. If I am wrong, please correct me.

641 |

I don’t think anyone would argue that the following languages couldn’t be used to scale a website since they have all been used in commercial web applications: C, C++, Java, PHP, Perl, Python, Lisp. If all of those languages have been used to build “scalable” websites, then why would anyone think that Ruby couldn’t scale? What would have to be so fundamentally wrong with Ruby that make people so hesitant? Is it because it is interpreted? So are PHP, Perl, and Python. Is it because there are no extremely high traffic sites built with Ruby to date? It was just the other day that no extremely high traffic sites were built in PHP or Python either.

642 |

No, scalability is not about the language. To ask if a programming language can scale or not is equivalent to asking if a certain written language can be used to write an epic novel. Very very few mature modern languages can’t scale for web sites (I concede that BASIC might be one of them). Similar discussion has happened here.

643 |

Scalability (with regard to web sites) is a set of design patterns and practices, a set of ideas used to implement robustness which include: statelessness, share-nothingness, and horizontal distribution. If you want to know whether a given website will scale to millions of users, check to see if it uses these foundations. Almost all the giant websites these days use these them: Google, Amazon, Ebay, Livejournal etc.

644 |

Given this information, one might restate the vague and senseless question of “Does Ruby on Rails scale?” into more tangible questions:

645 |
    646 |
  • Is Rails stateless?
    • 647 |
  • Does Rails share nothing?
    • 648 |
  • Does Rails scale horizontally?
    • 649 |
  • etc.
    • 650 |
651 |

As soon as you ask this more refined subset of questions however, you quickly realize that you’ve been heading down the wrong path by asking if a web framework “scales”. These questions simply don’t have one clear answer. Is Rails stateless? You can make a Rails app statefull or stateless. Does Rails scale horizontally? You can make it scale horizontally if you know what you are doing.

652 |

Realizing that the question was phrased incorrectly, let’s attempt it once again:

653 |
    654 |
  • Does Rails prevent statelessness?
    • 655 |
  • Does Rails prevent sharing nothing?
    • 656 |
  • Does Rails prevent scaling horizontally?
    • 657 |
  • etc.
    • 658 |
659 |

The answer to all of these is a resounding no. Abstracting out the root of these questions, we finally arrive at a single question with a single answer:

660 |

Question: Does anything in Rails prevent you from implementing the design patterns used to scale websites for many users?Answer: No.

661 |

This is exactly what David Hansson means by saying it’s boring to scale with Ruby on Rails. This is also why I can’t imagine a test you can do against a framework to see if it can scale. You can’t do any test that looks for a positive outcome because the scalability of a website is highly dependent on how the site was implemented. You can however look for any roadblocks to the common design patterns, and approached this way you can even ask people familiar with the framework your questions and get back reasonable answers. 662 |

663 | 664 |

]]> 665 | http://tech.rufy.com/entry/76/feed/ 666 | http://tech.rufy.com/entry/76 667 | 668 | 669 | Executing interactive system commands in Ruby 670 | http://feeds.feedburner.com/rufytech?m=61 671 | http://tech.rufy.com/entry/75#comments 672 | Sun, 24 Jul 2005 01:26:29 +0000 673 | Lucas Carlson 674 | Programming 675 | Ruby 676 | http://tech.rufy.com/entry/75 677 | 694 | Following a Ruby Talk thread about how to interactively run shell commands, I think I’ve finally got it. Let’s say you want to run a command, answer the first question it gives you, and get the output.

695 |

696 | 

697 | def run(command, answer='')
698 | 	IO.popen('-', 'r+') do |io|
699 | 		if io.nil?
700 | 			Process.setsid
701 | 			exec command
702 | 		else
703 | 			io.puts answer
704 | 			return io.readlines
705 | 		end
706 | 	end
707 | end
708 |
709 |

710 |

Hope this helps anybody looking for the answer. An example of how to use this code:

711 |

712 | 

run('sudo whoami', user_password) # returns 'root'
713 | 714 |

715 | 716 |

]]> 717 | http://tech.rufy.com/entry/75/feed/ 718 | http://tech.rufy.com/entry/75 719 | 720 | 721 | Lisp on Rails 722 | http://feeds.feedburner.com/rufytech?m=60 723 | http://tech.rufy.com/entry/74#comments 724 | Tue, 19 Jul 2005 12:32:21 +0000 725 | Lucas Carlson 726 | Programming 727 | http://tech.rufy.com/entry/74 728 | 729 | I know there is is some toying around with Lisp on Rails like stuff (lisp-on-lines), but that is a little too Lispy for me just yet. Rather, what do you think of this? Worth exploring more? Should I light up the midnight flame to get a proof-of-concept version on Lisp on Rails working (/me *drools* at the thought of machine code with the flexibility of Ruby).

730 |

Some ideas that would be great include adding continuations and being able to have a self-containted file (as in the example that follows) for those times when you really only want a couple controllers and a couple actions.

731 |

732 | 

733 | (load 'lisp-on-rails')
734 | 	
735 | (model Person
736 |   (has-many :employees)
737 |   (belongs-to :company)
738 | )
739 | 	
740 | (model Teenager (Person)
741 |   (has-many :skateboards)
742 | )
743 | 	
744 | (controller people
745 |   (scaffold :people)
746 | )
747 | 	
748 | (controller foo
749 |   (action bar
750 |     (set 'person (Person find :first by :id (params :id)))
751 | 	
752 |     (redirect-to :action you :id (person :name))
753 |   )
754 | 	
755 |   (action you
756 |     (render :text (params :id))
757 |   )
758 | 	
759 |   (continuation registration
760 |     (set 'person (Person new
761 |       :name (get :name)
762 |       :email (get :email))
763 |     )
764 |     (redirect-to :action bar :id (person :id))
765 |   )
766 | )
767 | 	
768 | (start-server)
769 |
770 | 771 |

772 | 773 |

]]> 774 | http://tech.rufy.com/entry/74/feed/ 775 | http://tech.rufy.com/entry/74 776 | 777 | 778 | A wish: Abolition of passing data with flags and symbol-like options when calling Unix programs 779 | http://feeds.feedburner.com/rufytech?m=59 780 | http://tech.rufy.com/entry/73#comments 781 | Tue, 19 Jul 2005 00:16:03 +0000 782 | Lucas Carlson 783 | General 784 | http://tech.rufy.com/entry/73 785 | 794 | I wish I could call every program on the command line like this:

795 | 
mysql -v :user foo :password bar :host rufy.com :port 3306
796 |

For me, this is much easier to type than what I would currently need to do:

797 | 
mysql -v --user foo --password bar --host rufy.com --port 3306
798 |

The difference between — and : is huge for me for two reasons:

799 |
    800 |
  1. One character is much easier to type than two characters which makes a big difference given the number of times I run commands on the command line
    2. 801 |
  2. Colons are much more accessible in my usual range of typing than two dashes
    3. 802 |
803 |

Plus, if everyone used colons like this it would be a lot easier to explain symbols in Ruby and Lisp to the uninitiated.

804 |

I hate it that -pPassword specifies the password and -P 3306 specifies the port. I hate that -h specifies the host and –help calls help. I like flags without data (ps -aux for example). Flags with data are inconsistent, cumbersome and a steep learning curve for Unix beginners. I think they should be abolished. If flags with data were abolished, there would be no reason for -h to return anything but help, since if it wanted data you would use :h.

805 |

Along with smart auto-completion that getopt_long() currently provides, you could do this:

806 | 
mysql -v :u foo :pa bar :h rufy.com :po 3306
807 |

Which is a couple characters longer, yet light-years easier to explain and remember than the way you have to do it now:

808 | 
mysql -v -u foo -pbar -h rufy.com -P 3306
809 |

Anyone know how I can alias a colon to work along side the double-dash in getopt_long()? 810 |

811 | 812 |

]]> 813 | http://tech.rufy.com/entry/73/feed/ 814 | http://tech.rufy.com/entry/73 815 | 816 | 817 | 818 | 819 | -------------------------------------------------------------------------------- /test/data/rss20_utf8.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 | 12 | SC5 Blog 13 | 14 | http://sc5.io/blog 15 | HTML5 expertise 16 | Wed, 01 Oct 2014 09:52:48 +0000 17 | fi-FI 18 | hourly 19 | 1 20 | http://wordpress.org/?v=4.0 21 | 22 | Mitä asiakkaamme ajattelevat meistä? 23 | http://sc5.io/blog/2014/09/mita-asiakkaamme-ajattelevat-meista/ 24 | http://sc5.io/blog/2014/09/mita-asiakkaamme-ajattelevat-meista/#comments 25 | Mon, 29 Sep 2014 13:19:37 +0000 26 | 27 | 28 | 29 | 30 | http://sc5.io/blog/?p=2818 31 | Toteutimme yhdessä MicroMedian kanssa asiakastyytyväisyystutkimuksen, jossa tiedustelimme asiakkaidemme näkemyksiä toimintatavoistamme. Voimme ylpeänä kertoa, että asiakkaamme tykkäsivät työmme jäljestä. Mutta mihin asiakamme olivat meissä erityisen tyytyväisiä? Vastauksissa korostuivat työntekijöidemme osaaminen ja ammattitaito. Lisäksi kehuttiin kykyämme nähdä... Read More

32 |

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33 | ]]> 34 | http://sc5.io/blog/2014/09/mita-asiakkaamme-ajattelevat-meista/feed/ 35 | 0 36 | 37 | 38 | Tribute to Jyväskylä, City of Lights 39 | http://sc5.io/blog/2014/09/tribute-to-jyvaskyla-city-of-lights/ 40 | http://sc5.io/blog/2014/09/tribute-to-jyvaskyla-city-of-lights/#comments 41 | Thu, 25 Sep 2014 10:36:20 +0000 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | http://sc5.io/blog/?p=2886 54 | In Finland the winters are dark so artificial, energy-efficient lights are needed. Good lighting not only boosts enjoyment and the quality of life, but can be a form of art itself. Jyväskylä is a forerunner... Read More

55 |

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56 | ]]> 57 | http://sc5.io/blog/2014/09/tribute-to-jyvaskyla-city-of-lights/feed/ 58 | 0 59 | 60 | 61 | 62 | -------------------------------------------------------------------------------- /test/test_helper.rb: -------------------------------------------------------------------------------- 1 | $LOAD_PATH.unshift(File.dirname(__FILE__) + "/../lib") 2 | 3 | require "test/unit" 4 | require "simple-rss" 5 | --------------------------------------------------------------------------------