+require 'singleton'
+
+require 'yaml'
+
+unless YAML.respond_to?(:load_file)
+ def YAML.load_file( filepath )
+ File.open( filepath ) do |f|
+ YAML::load( f )
+ end
+ end
+end
+
+
module Irc
- require 'yaml'
+class Bot
+module Config
+ class Value
+ # allow the definition order to be preserved so that sorting by
+ # definition order is possible. The Wizard does this to allow
+ # the :wizard questions to be in a sensible order.
+ @@order = 0
+ attr_reader :type
+ attr_reader :desc
+ attr_reader :key
+ attr_reader :wizard
+ attr_reader :store_default
+ attr_reader :requires_restart
+ attr_reader :requires_rescan
+ attr_reader :order
+ attr_reader :manager
+ attr_reader :auth_path
+ def initialize(key, params)
+ @manager = Config.manager
+ # Keys must be in the form 'module.name'.
+ # They will be internally passed around as symbols,
+ # but we accept them both in string and symbol form.
+ unless key.to_s =~ /^.+\..+$/
+ raise ArgumentError,"key must be of the form 'module.name'"
+ end
+ @order = @@order
+ @@order += 1
+ @key = key.to_sym
+ if @manager.overrides.key?(@key)
+ @default = @manager.overrides[@key]
+ elsif params.has_key? :default
+ @default = params[:default]
+ else
+ @default = false
+ end
+ @desc = params[:desc]
+ @type = params[:type] || String
+ @on_change = params[:on_change]
+ @validate = params[:validate]
+ @wizard = params[:wizard]
+ @store_default = params[:store_default]
+ @requires_restart = params[:requires_restart]
+ @requires_rescan = params[:requires_rescan]
+ @auth_path = "config::key::#{key.sub('.','::')}"
+ end
+ def default
+ if @default.instance_of?(Proc)
+ @default.call
+ else
+ @default
+ end
+ end
+ def get
+ return @manager.config[@key] if @manager.config.has_key?(@key)
+ return default
+ end
+ alias :value :get
+ def set(value, on_change = true)
+ @manager.config[@key] = value
+ @manager.changed = true
+ @on_change.call(@manager.bot, value) if on_change && @on_change
+ return self
+ end
+ def unset
+ @manager.config.delete(@key)
+ @manager.changed = true
+ @on_change.call(@manager.bot, value) if @on_change
+ return self
+ end
+
+ # set string will raise ArgumentErrors on failed parse/validate
+ def set_string(string, on_change = true)
+ value = parse string
+ if validate value
+ set value, on_change
+ else
+ raise ArgumentError, "invalid value: #{string}"
+ end
+ end
+
+ # override this. the default will work for strings only
+ def parse(string)
+ string
+ end
+
+ def to_s
+ get.to_s
+ end
+
+ protected
+ def validate(val, validator = @validate)
+ case validator
+ when false, nil
+ return true
+ when Proc
+ return validator.call(val)
+ when Regexp
+ raise ArgumentError, "validation via Regexp only supported for strings!" unless String === val
+ return validator.match(val)
+ else
+ raise ArgumentError, "validation type #{validator.class} not supported"
+ end
+ end
+ end
+
+ class StringValue < Value
+ end
+
+ class BooleanValue < Value
+ def parse(string)
+ return true if string == "true"
+ return false if string == "false"
+ if string =~ /^-?\d+$/
+ return string.to_i != 0
+ end
+ raise ArgumentError, "#{string} does not match either 'true' or 'false', and it's not an integer either"
+ end
+ def get
+ r = super
+ if r.kind_of?(Integer)
+ return r != 0
+ else
+ return r
+ end
+ end
+ end
+
+ class IntegerValue < Value
+ def parse(string)
+ return 1 if string == "true"
+ return 0 if string == "false"
+ raise ArgumentError, "not an integer: #{string}" unless string =~ /^-?\d+$/
+ string.to_i
+ end
+ def get
+ r = super
+ if r.kind_of?(Integer)
+ return r
+ else
+ return r ? 1 : 0
+ end
+ end
+ end
+
+ class FloatValue < Value
+ def parse(string)
+ raise ArgumentError, "not a float #{string}" unless string =~ /^-?[\d.]+$/
+ string.to_f
+ end
+ end
+
+ class ArrayValue < Value
+ def initialize(key, params)
+ super
+ @validate_item = params[:validate_item]
+ @validate ||= Proc.new do |v|
+ !v.find { |i| !validate_item(i) }
+ end
+ end
+
+ def validate_item(item)
+ validate(item, @validate_item)
+ end
+
+ def parse(string)
+ string.split(/,\s+/)
+ end
+ def to_s
+ get.join(", ")
+ end
+ def add(val)
+ newval = self.get.dup
+ unless newval.include? val
+ newval << val
+ validate_item(val) or raise ArgumentError, "invalid item: #{val}"
+ validate(newval) or raise ArgumentError, "invalid value: #{newval.inspect}"
+ set(newval)
+ end
+ end
+ def rm(val)
+ curval = self.get
+ raise ArgumentError, "value #{val} not present" unless curval.include?(val)
+ set(curval - [val])
+ end
+ end
+
+ class EnumValue < Value
+ def initialize(key, params)
+ super
+ @values = params[:values]
+ end
+ def values
+ if @values.instance_of?(Proc)
+ return @values.call(@manager.bot)
+ else
+ return @values
+ end
+ end
+ def parse(string)
+ unless values.include?(string)
+ raise ArgumentError, "invalid value #{string}, allowed values are: " + values.join(", ")
+ end
+ string
+ end
+ def desc
+ _("%{desc} [valid values are: %{values}]") % {:desc => @desc, :values => values.join(', ')}
+ end
+ end
# container for bot configuration
- class BotConfig
+ class ManagerClass
+
+ include Singleton
+
+ attr_reader :bot
+ attr_reader :items
+ attr_reader :config
+ attr_reader :overrides
+ attr_accessor :changed
+
+ def initialize
+ bot_associate(nil,true)
+ end
+
+ def reset_config
+ @items = Hash.new
+ @config = Hash.new(false)
+
+ # We allow default values for config keys to be overridden by
+ # the config file /etc/rbot.conf
+ # The main purpose for this is to allow distro or system-wide
+ # settings such as external program paths (figlet, toilet, ispell)
+ # to be set once for all the bots.
+ @overrides = Hash.new
+ etcfile = "/etc/rbot.conf"
+ if File.exist?(etcfile)
+ log "Loading defaults from #{etcfile}"
+ etcconf = YAML::load_file(etcfile)
+ etcconf.each { |k, v|
+ @overrides[k.to_sym] = v
+ }
+ end
+ end
+
+ # Associate with bot _bot_
+ def bot_associate(bot, reset=false)
+ reset_config if reset
+ @bot = bot
+ return unless @bot
+
+ @changed = false
+ conf = @bot.path 'conf.yaml'
+ if File.exist? conf
+ begin
+ newconfig = YAML::load_file conf
+ newconfig.each { |key, val|
+ @config[key.to_sym] = val
+ }
+ return
+ rescue
+ error "failed to read conf.yaml: #{$!}"
+ end
+ end
+ # config options with :store_default to true should store
+ # their default value at first run.
+ # Some defaults might change anytime the bot starts
+ # for instance core.db or authpw
+ @items.values.find_all {|i| i.store_default }.each do |value|
+ @config[value.key] = value.default
+ end
+
+ # if we got here, we need to run the first-run wizard
+ Wizard.new(@bot).run
+ # save newly created config
+ @changed = true
+ save
+ end
+
+ def register(item)
+ unless item.kind_of?(Value)
+ raise ArgumentError,"item must be an Irc::Bot::Config::Value"
+ end
+ @items[item.key] = item
+ end
# currently we store values in a hash but this could be changed in the
# future. We use hash semantics, however.
- def method_missing(method, *args, &block)
- return @config.send(method, *args, &block)
+ # components that register their config keys and setup defaults are
+ # supported via []
+ def [](key)
+ # return @items[key].value if @items.has_key?(key)
+ return @items[key.to_sym].value if @items.has_key?(key.to_sym)
+ # try to still support unregistered lookups
+ # but warn about them
+ # if @config.has_key?(key)
+ # warning "Unregistered lookup #{key.inspect}"
+ # return @config[key]
+ # end
+ if @config.has_key?(key.to_sym)
+ warning _("Unregistered lookup #{key.to_sym.inspect}")
+ return @config[key.to_sym]
+ end
+ return false
end
- # bot:: parent bot class
- # create a new config hash from #{botclass}/conf.rbot
- def initialize(bot)
- @bot = bot
- # some defaults
- @config = Hash.new(false)
-
- @config['server.name'] = "localhost"
- @config['server.port'] = 6667
- @config['server.password'] = false
- @config['server.bindhost'] = false
- @config['server.reconnect_wait'] = 5
- @config['irc.nick'] = "rbot"
- @config['irc.user'] = "rbot"
- @config['irc.join_channels'] = ""
- @config['core.language'] = "english"
- @config['core.save_every'] = 60
- @config['keyword.listen'] = false
- @config['auth.password'] = ""
- @config['server.sendq_delay'] = 2.0
- @config['server.sendq_burst'] = 4
- @config['keyword.address'] = true
- @config['keyword.listen'] = false
-
- # TODO
- # have this class persist key/values in hash using yaml as it kinda
- # already does.
- # have other users of the class describe config to it on init, like:
- # @config.add(:key => 'server.name', :type => 'string',
- # :default => 'localhost', :restart => true,
- # :help => 'irc server to connect to')
- # that way the config module doesn't have to know about all the other
- # classes but can still provide help and defaults.
- # Classes don't have to add keys, they can just use config as a
- # persistent hash, but then they won't be presented by the config
- # module for runtime display/changes.
- # (:restart, if true, makes the bot reply to changes with "this change
- # will take effect after the next restart)
- # :proc => Proc.new {|newvalue| ...}
- # (:proc, proc to run on change of setting)
- # or maybe, @config.add_key(...) do |newvalue| .... end
- # :validate => /regex/
- # (operates on received string before conversion)
- # Special handling for arrays so the config module can be used to
- # add/remove elements as well as changing the whole thing
- # Allow config options to list possible valid values (if type is enum,
- # for example). Then things like the language module can list the
- # available languages for choosing.
-
- if(File.exist?("#{@bot.botclass}/conf.yaml"))
- newconfig = YAML::load_file("#{@bot.botclass}/conf.yaml")
- @config.update(newconfig)
- else
- # first-run wizard!
- wiz = BotConfigWizard.new(@bot)
- newconfig = wiz.run(@config)
- @config.update(newconfig)
+ def []=(key, value)
+ return @items[key.to_sym].set(value) if @items.has_key?(key.to_sym)
+ if @config.has_key?(key.to_sym)
+ warning _("Unregistered lookup #{key.to_sym.inspect}")
+ return @config[key.to_sym] = value
end
end
- # write current configuration to #{botclass}/conf.rbot
+ # pass everything else through to the hash
+ def method_missing(method, *args, &block)
+ return @config.send(method, *args, &block)
+ end
+
+ # write current configuration to #{botclass}/conf.yaml
def save
- Dir.mkdir("#{@bot.botclass}") if(!File.exist?("#{@bot.botclass}"))
- File.open("#{@bot.botclass}/conf.yaml", "w") do |file|
- file.puts @config.to_yaml
+ if not @changed
+ debug "Not writing conf.yaml (unchanged)"
+ return
+ end
+ begin
+ conf = @bot.path 'conf.yaml'
+ fnew = conf + '.new'
+ debug "Writing new conf.yaml ..."
+ File.open(fnew, "w") do |file|
+ savehash = {}
+ @config.each { |key, val|
+ savehash[key.to_s] = val
+ }
+ file.puts savehash.to_yaml
+ end
+ debug "Officializing conf.yaml ..."
+ File.rename(fnew, conf)
+ @changed = false
+ rescue => e
+ error "failed to write configuration file conf.yaml! #{$!}"
+ error "#{e.class}: #{e}"
+ error e.backtrace.join("\n")
end
end
end
- # I don't see a nice way to avoid the first start wizard knowing way too
- # much about other modules etc, because it runs early and stuff it
- # configures is used to initialise the other modules...
- # To minimise this we'll do as little as possible and leave the rest to
- # online modification
- class BotConfigWizard
-
- # TODO things to configure..
- # config directory (botclass) - people don't realise they should set
- # this. The default... isn't good.
- # users? - default *!*@* to 10
- # levels? - need a way to specify a default level, methinks, for
- # unconfigured items.
- #
+ # Returns the only Irc::Bot::Config::ManagerClass
+ #
+ def Config.manager
+ return ManagerClass.instance
+ end
+
+ # Register a config value
+ def Config.register(item)
+ Config.manager.register(item)
+ end
+
+ class Wizard
def initialize(bot)
@bot = bot
- @questions = [
- {
- :question => "What server should the bot connect to?",
- :prompt => "Hostname",
- :key => "server.name",
- :type => :string,
- },
- {
- :question => "What port should the bot connect to?",
- :prompt => "Port",
- :key => "server.port",
- :type => :number,
- },
- {
- :question => "Does this IRC server require a password for access? Leave blank if not.",
- :prompt => "Password",
- :key => "server.password",
- :type => :password,
- },
- {
- :question => "Would you like rbot to bind to a specific local host or IP? Leave blank if not.",
- :prompt => "Local bind",
- :key => "server.bindhost",
- :type => :string,
- },
- {
- :question => "What IRC nickname should the bot attempt to use?",
- :prompt => "Nick",
- :key => "irc.nick",
- :type => :string,
- },
- {
- :question => "What local user should the bot appear to be?",
- :prompt => "User",
- :key => "irc.user",
- :type => :string,
- },
- {
- :question => "What channels should the bot always join at startup? List multiple channels using commas to separate. If a channel requires a password, use a space after the channel name. e.g: '#chan1, #chan2, #secretchan secritpass, #chan3'",
- :prompt => "Channels",
- :key => "irc.join_channels",
- :type => :string,
- },
- {
- :question => "Which language file should the bot use?",
- :prompt => "Language",
- :key => "core.language",
- :type => :enum,
- :items => Dir.new(Config::DATADIR + "/languages").collect {|f|
- f =~ /\.lang$/ ? f.gsub(/\.lang$/, "") : nil
- }.compact
- },
- {
- :question => "Enter your password for maxing your auth with the bot (used to associate new hostmasks with your owner-status etc)",
- :prompt => "Password",
- :key => "auth.password",
- :type => :password,
- },
- ]
- end
-
- def run(defaults)
- config = defaults.clone
- puts "First time rbot configuration wizard"
+ @manager = Config.manager
+ @questions = @manager.items.values.find_all {|i| i.wizard }
+ end
+
+ def run()
+ $stdout.sync = true
+ puts _("First time rbot configuration wizard")
puts "===================================="
- puts "This is the first time you have run rbot with a config directory of:"
- puts @bot.botclass
- puts "This wizard will ask you a few questions to get you started."
- puts "The rest of rbot's configuration can be manipulated via IRC once"
- puts "rbot is connected and you are auth'd."
+ puts _("This is the first time you have run rbot with a config directory of: #{@bot.botclass}")
+ puts _("This wizard will ask you a few questions to get you started.")
+ puts _("The rest of rbot's configuration can be manipulated via IRC once rbot is connected and you are auth'd.")
puts "-----------------------------------"
- @questions.each do |q|
- puts q[:question]
+ return unless @questions
+ @questions.sort{|a,b| a.order <=> b.order }.each do |q|
+ puts _(q.desc)
begin
- key = q[:key]
- if q[:type] == :enum
- puts "valid values are: " + q[:items].join(", ")
- end
- if (defaults.has_key?(key))
- print q[:prompt] + " [#{defaults[key]}]: "
- else
- print q[:prompt] + " []: "
- end
+ print q.key.to_s + " [#{q.to_s}]: "
response = STDIN.gets
response.chop!
- response = defaults[key] if response == "" && defaults.has_key?(key)
- case q[:type]
- when :string
- when :number
- raise "value '#{response}' is not a number" unless (response.class == Fixnum || response =~ /^\d+$/)
- response = response.to_i
- when :password
- when :enum
- raise "selected value '#{response}' is not one of the valid values" unless q[:items].include?(response)
+ unless response.empty?
+ q.set_string response, false
end
- config[key] = response
- puts "configured #{key} => #{config[key]}"
+ puts _("configured #{q.key} => #{q.to_s}")
puts "-----------------------------------"
- rescue RuntimeError => e
- puts e.message
+ rescue ArgumentError => e
+ puts _("failed to set #{q.key}: #{e.message}")
retry
end
end
- return config
end
end
+
+end
+end
end
projects / user / henk / code / ruby / rbot.git / blobdiff