#\r
# License:: MIT license\r
\r
-require 'rss/parser'\r
-require 'rss/1.0'\r
-require 'rss/2.0'\r
-require 'rss/dublincore'\r
-# begin\r
-# require 'rss/dublincore/2.0'\r
-# rescue\r
-# warning "Unable to load RSS libraries, RSS plugin functionality crippled"\r
-# end\r
+require 'rss'\r
+\r
+# Add support for Slashdot namespace in RDF. The code is just an adaptation of\r
+# the DublinCore code.\r
+module ::RSS\r
+\r
+ unless defined?(SLASH_PREFIX)\r
+ SLASH_PREFIX = 'slash'\r
+ SLASH_URI = "http://purl.org/rss/1.0/modules/slash/"\r
+\r
+ RDF.install_ns(SLASH_PREFIX, SLASH_URI)\r
+\r
+ module BaseSlashModel\r
+ def append_features(klass)\r
+ super\r
+\r
+ return if klass.instance_of?(Module)\r
+ SlashModel::ELEMENT_NAME_INFOS.each do |name, plural_name|\r
+ plural = plural_name || "#{name}s"\r
+ full_name = "#{SLASH_PREFIX}_#{name}"\r
+ full_plural_name = "#{SLASH_PREFIX}_#{plural}"\r
+ klass_name = "Slash#{Utils.to_class_name(name)}"\r
+ klass.install_must_call_validator(SLASH_PREFIX, SLASH_URI)\r
+ klass.install_have_children_element(name, SLASH_URI, "*",\r
+ full_name, full_plural_name)\r
+ klass.module_eval(<<-EOC, *get_file_and_line_from_caller(0))\r
+ remove_method :#{full_name}\r
+ remove_method :#{full_name}=\r
+ remove_method :set_#{full_name}\r
+\r
+ def #{full_name}\r
+ @#{full_name}.first and @#{full_name}.first.value\r
+ end\r
+\r
+ def #{full_name}=(new_value)\r
+ @#{full_name}[0] = Utils.new_with_value_if_need(#{klass_name}, new_value)\r
+ end\r
+ alias set_#{full_name} #{full_name}=\r
+ EOC\r
+ end\r
+ end\r
+ end\r
+\r
+ module SlashModel\r
+ extend BaseModel\r
+ extend BaseSlashModel\r
+\r
+ TEXT_ELEMENTS = {\r
+ "department" => nil,\r
+ "section" => nil,\r
+ "comments" => nil,\r
+ "hit_parade" => nil\r
+ }\r
+\r
+ ELEMENT_NAME_INFOS = SlashModel::TEXT_ELEMENTS.to_a\r
+\r
+ ELEMENTS = TEXT_ELEMENTS.keys\r
+\r
+ ELEMENTS.each do |name, plural_name|\r
+ module_eval(<<-EOC, *get_file_and_line_from_caller(0))\r
+ class Slash#{Utils.to_class_name(name)} < Element\r
+ include RSS10\r
+\r
+ content_setup\r
+\r
+ class << self\r
+ def required_prefix\r
+ SLASH_PREFIX\r
+ end\r
+\r
+ def required_uri\r
+ SLASH_URI\r
+ end\r
+ end\r
+\r
+ @tag_name = #{name.dump}\r
+\r
+ alias_method(:value, :content)\r
+ alias_method(:value=, :content=)\r
+\r
+ def initialize(*args)\r
+ if Utils.element_initialize_arguments?(args)\r
+ super\r
+ else\r
+ super()\r
+ self.content = args[0]\r
+ end\r
+ end\r
+\r
+ def full_name\r
+ tag_name_with_prefix(SLASH_PREFIX)\r
+ end\r
+\r
+ def maker_target(target)\r
+ target.new_#{name}\r
+ end\r
+\r
+ def setup_maker_attributes(#{name})\r
+ #{name}.content = content\r
+ end\r
+ end\r
+ EOC\r
+ end\r
+ end\r
+\r
+ class RDF\r
+ class Item; include SlashModel; end\r
+ end\r
+\r
+ SlashModel::ELEMENTS.each do |name|\r
+ class_name = Utils.to_class_name(name)\r
+ BaseListener.install_class_name(SLASH_URI, name, "Slash#{class_name}")\r
+ end\r
+\r
+ SlashModel::ELEMENTS.collect! {|name| "#{SLASH_PREFIX}_#{name}"}\r
+ end\r
+end\r
+\r
\r
class ::RssBlob\r
attr_accessor :url\r
:default => 300, :validate => Proc.new{|v| v > 30},\r
:desc => "How many seconds to sleep before checking RSS feeds again")\r
\r
+ # We used to save the Mutex with the RssBlob, which was idiotic. And\r
+ # since Mutexes dumped in one version might not be resotrable in another,\r
+ # we need a few tricks to be able to restore data from other versions of Ruby\r
+ #\r
+ # When migrating 1.8.6 => 1.8.5, all we need to do is define an empty\r
+ # #marshal_load() method for Mutex. For 1.8.5 => 1.8.6 we need something\r
+ # dirtier, as seen later on in the initialization code.\r
+ unless Mutex.new.respond_to?(:marshal_load)\r
+ class ::Mutex\r
+ def marshal_load(str)\r
+ return\r
+ end\r
+ end\r
+ end\r
+\r
def initialize\r
super\r
if @registry.has_key?(:feeds)\r
+ # When migrating from Ruby 1.8.5 to 1.8.6, dumped Mutexes may render the\r
+ # data unrestorable. If this happens, we patch the data, thus allowing\r
+ # the restore to work.\r
+ #\r
+ # This is actually pretty safe for a number of reasons:\r
+ # * the code is only called if standard marshalling fails\r
+ # * the string we look for is quite unlikely to appear randomly\r
+ # * if the string appears somewhere and the patched string isn't recoverable\r
+ # either, we'll get another (unrecoverable) error, which makes the rss\r
+ # plugin unsable, just like it was if no recovery was attempted\r
+ # * if the string appears somewhere and the patched string is recoverable,\r
+ # we may get a b0rked feed, which is eventually overwritten by a clean\r
+ # one, so the worst thing that can happen is that a feed update spams\r
+ # the watchers once\r
+ @registry.recovery = Proc.new { |val|\r
+ patched = val.sub(":\v@mutexo:\nMutex", ":\v@mutexo:\vObject")\r
+ ret = Marshal.restore(patched)\r
+ ret.each_value { |blob|\r
+ blob.mutex = nil\r
+ blob\r
+ }\r
+ }\r
+\r
@feeds = @registry[:feeds]\r
+\r
+ @registry.recovery = nil\r
+\r
@feeds.keys.grep(/[A-Z]/) { |k|\r
@feeds[k.downcase] = @feeds[k]\r
@feeds.delete(k)\r
unparsed = Hash.new()\r
@feeds.each { |k, f|\r
unparsed[k] = f.dup\r
+ # we don't want to save the mutex\r
+ unparsed[k].mutex = nil\r
}\r
@registry[:feeds] = unparsed\r
end\r
\r
m.reply "lemme fetch it..."\r
title = items = nil\r
- fetched = fetchRss(feed, m)\r
+ fetched = fetchRss(feed, m, false)\r
return unless fetched or feed.xml\r
if not fetched and feed.items\r
m.reply "using old data"\r
date += " :: "\r
end\r
end\r
+\r
title = "#{Bold}#{item.title.chomp.riphtml}#{Bold}" if item.title\r
+\r
desc = item.description.gsub(/\s+/,' ').strip.riphtml if item.description\r
+\r
link = item.link.chomp if item.link\r
+\r
+ debug item.inspect\r
+ category = item.dc_subject rescue item.category rescue nil\r
+ author = item.dc_creator rescue item.author rescue nil\r
+\r
line1 = nil\r
line2 = nil\r
+\r
+ at = ((item.title && item.link) ? ' @ ' : '')\r
case feed.type\r
when 'blog'\r
- line1 = "#{handle}#{date}#{item.category.content} blogged at #{link}"\r
+ abt = category ? "about #{category} " : ""\r
+ line1 = "#{handle}#{date}#{author} blogged #{abt}at #{link}"\r
line2 = "#{handle}#{title} - #{desc}"\r
when 'forum'\r
- line1 = "#{handle}#{date}#{title}#{' @ ' if item.title && item.link}#{link}"\r
+ line1 = "#{handle}#{date}#{title}#{at}#{link}"\r
when 'wiki'\r
- line1 = "#{handle}#{date}#{title}#{' @ ' if item.title && item.link}#{link} has been edited by #{item.dc_creator}. #{desc}"\r
+ line1 = "#{handle}#{date}#{title}#{at}#{link} has been edited by #{author}. #{desc}"\r
when 'gmane'\r
- line1 = "#{handle}#{date}Message #{title} sent by #{item.dc_creator}. #{desc}"\r
+ line1 = "#{handle}#{date}Message #{title} sent by #{author}. #{desc}"\r
when 'trac'\r
line1 = "#{handle}#{date}#{title} @ #{link}"\r
unless item.title =~ /^Changeset \[(\d+)\]/\r
line2 = "#{handle}#{date}#{desc}"\r
end\r
+ when '/.'\r
+ dept = "(from the #{item.slash_department} dept) " rescue nil\r
+ sec = " in section #{item.slash_section}" rescue nil\r
+\r
+ line1 = "#{handle}#{date}#{dept}#{title}#{at}#{link} (posted by #{author}#{sec})"\r
else\r
- line1 = "#{handle}#{date}#{title}#{' @ ' if item.title && item.link}#{link}"\r
+ line1 = "#{handle}#{date}#{title}#{at}#{link}"\r
end\r
places.each { |loc|\r
@bot.say loc, line1, :overlong => :truncate\r
}\r
end\r
\r
- def fetchRss(feed, m=nil)\r
+ def fetchRss(feed, m=nil, cache=true)\r
begin\r
# Use 60 sec timeout, cause the default is too low\r
- xml = @bot.httputil.get_cached(feed.url, 60, 60)\r
+ xml = @bot.httputil.get(feed.url,\r
+ :read_timeout => 60,\r
+ :open_timeout => 60,\r
+ :cache => cache)\r
rescue URI::InvalidURIError, URI::BadURIError => e\r
report_problem("invalid rss feed #{feed.url}", e, m)\r
return nil\r
report_problem("reading feed #{feed} failed", nil, m)\r
return nil\r
end\r
+ # Ok, 0.9 feeds are not supported, maybe because\r
+ # Netscape happily removed the DTD. So what we do is just to\r
+ # reassign the 0.9 RDFs to 1.0, and hope it goes right.\r
+ xml.gsub!("xmlns=\"http://my.netscape.com/rdf/simple/0.9/\"",\r
+ "xmlns=\"http://purl.org/rss/1.0/\"")\r
feed.mutex.synchronize do\r
feed.xml = xml\r
end\r
begin\r
## do validate parse\r
rss = RSS::Parser.parse(xml)\r
- debug "parsed #{feed}"\r
+ debug "parsed and validated #{feed}"\r
rescue RSS::InvalidRSSError\r
## do non validate parse for invalid RSS 1.0\r
begin\r
rss = RSS::Parser.parse(xml, false)\r
+ debug "parsed but not validated #{feed}"\r
rescue RSS::Error => e\r
report_problem("parsing rss stream failed, whoops =(", e, m)\r
return nil\r