require 'logger' require 'set' require 'pathname' $LOAD_PATH.unshift File.dirname(__FILE__) require 'railties_path' require 'rails/version' require 'rails/plugin/locator' require 'rails/plugin/loader' require 'rails/gem_dependency' require 'rails/rack' RAILS_ENV = (ENV['RAILS_ENV'] || 'development').dup unless defined?(RAILS_ENV) module Rails class << self # The Configuration instance used to configure the Rails environment def configuration @@configuration end def configuration=(configuration) @@configuration = configuration end def initialized? @initialized || false end def initialized=(initialized) @initialized ||= initialized end def logger if defined?(RAILS_DEFAULT_LOGGER) RAILS_DEFAULT_LOGGER else nil end end def backtrace_cleaner @@backtrace_cleaner ||= begin # Relies on ActiveSupport, so we have to lazy load to postpone definition until AS has been loaded require 'rails/backtrace_cleaner' Rails::BacktraceCleaner.new end end def root Pathname.new(RAILS_ROOT) if defined?(RAILS_ROOT) end def env @_env ||= ActiveSupport::StringInquirer.new(RAILS_ENV) end def cache RAILS_CACHE end def version VERSION::STRING end def public_path @@public_path ||= self.root ? File.join(self.root, "public") : "public" end def public_path=(path) @@public_path = path end end # The Initializer is responsible for processing the Rails configuration, such # as setting the $LOAD_PATH, requiring the right frameworks, initializing # logging, and more. It can be run either as a single command that'll just # use the default configuration, like this: # # Rails::Initializer.run # # But normally it's more interesting to pass in a custom configuration # through the block running: # # Rails::Initializer.run do |config| # config.frameworks -= [ :action_mailer ] # end # # This will use the default configuration options from Rails::Configuration, # but allow for overwriting on select areas. class Initializer # The Configuration instance used by this Initializer instance. attr_reader :configuration # The set of loaded plugins. attr_reader :loaded_plugins # Whether or not all the gem dependencies have been met attr_reader :gems_dependencies_loaded # Runs the initializer. By default, this will invoke the #process method, # which simply executes all of the initialization routines. Alternately, # you can specify explicitly which initialization routine you want: # # Rails::Initializer.run(:set_load_path) # # This is useful if you only want the load path initialized, without # incurring the overhead of completely loading the entire environment. def self.run(command = :process, configuration = Configuration.new) yield configuration if block_given? initializer = new configuration initializer.send(command) initializer end # Create a new Initializer instance that references the given Configuration # instance. def initialize(configuration) @configuration = configuration @loaded_plugins = [] end # Sequentially step through all of the available initialization routines, # in order (view execution order in source). def process Rails.configuration = configuration check_ruby_version install_gem_spec_stubs set_load_path add_gem_load_paths require_frameworks set_autoload_paths add_plugin_load_paths load_environment preload_frameworks initialize_encoding initialize_database initialize_cache initialize_framework_caches initialize_logger initialize_framework_logging initialize_dependency_mechanism initialize_whiny_nils initialize_time_zone initialize_i18n initialize_framework_settings initialize_framework_views initialize_metal add_support_load_paths check_for_unbuilt_gems load_gems load_plugins # pick up any gems that plugins depend on add_gem_load_paths load_gems check_gem_dependencies # bail out if gems are missing - note that check_gem_dependencies will have # already called abort() unless $gems_rake_task is set return unless gems_dependencies_loaded load_application_initializers # the framework is now fully initialized after_initialize # Setup database middleware after initializers have run initialize_database_middleware # Prepare dispatcher callbacks and run 'prepare' callbacks prepare_dispatcher # Routing must be initialized after plugins to allow the former to extend the routes initialize_routing # Observers are loaded after plugins in case Observers or observed models are modified by plugins. load_observers # Load view path cache load_view_paths # Load application classes load_application_classes # Disable dependency loading during request cycle disable_dependency_loading # Flag initialized Rails.initialized = true end # Check for valid Ruby version # This is done in an external file, so we can use it # from the `rails` program as well without duplication. def check_ruby_version require 'ruby_version_check' end # If Rails is vendored and RubyGems is available, install stub GemSpecs # for Rails, Active Support, Active Record, Action Pack, Action Mailer, and # Active Resource. This allows Gem plugins to depend on Rails even when # the Gem version of Rails shouldn't be loaded. def install_gem_spec_stubs unless Rails.respond_to?(:vendor_rails?) abort %{Your config/boot.rb is outdated: Run "rake rails:update".} end if Rails.vendor_rails? begin; require "rubygems"; rescue LoadError; return; end stubs = %w(rails activesupport activerecord actionpack actionmailer activeresource) stubs.reject! { |s| Gem.loaded_specs.key?(s) } stubs.each do |stub| Gem.loaded_specs[stub] = Gem::Specification.new do |s| s.name = stub s.version = Rails::VERSION::STRING s.loaded_from = "" end end end end # Set the <tt>$LOAD_PATH</tt> based on the value of # Configuration#load_paths. Duplicates are removed. def set_load_path load_paths = configuration.load_paths + configuration.framework_paths load_paths.reverse_each { |dir| $LOAD_PATH.unshift(dir) if File.directory?(dir) } $LOAD_PATH.uniq! end # Set the paths from which Rails will automatically load source files, and # the load_once paths. def set_autoload_paths ActiveSupport::Dependencies.load_paths = configuration.load_paths.uniq ActiveSupport::Dependencies.load_once_paths = configuration.load_once_paths.uniq extra = ActiveSupport::Dependencies.load_once_paths - ActiveSupport::Dependencies.load_paths unless extra.empty? abort <<-end_error load_once_paths must be a subset of the load_paths. Extra items in load_once_paths: #{extra * ','} end_error end # Freeze the arrays so future modifications will fail rather than do nothing mysteriously configuration.load_once_paths.freeze end # Requires all frameworks specified by the Configuration#frameworks # list. By default, all frameworks (Active Record, Active Support, # Action Pack, Action Mailer, and Active Resource) are loaded. def require_frameworks configuration.frameworks.each { |framework| require(framework.to_s) } rescue LoadError => e # Re-raise as RuntimeError because Mongrel would swallow LoadError. raise e.to_s end # Preload all frameworks specified by the Configuration#frameworks. # Used by Passenger to ensure everything's loaded before forking and # to avoid autoload race conditions in JRuby. def preload_frameworks if configuration.preload_frameworks configuration.frameworks.each do |framework| # String#classify and #constantize aren't available yet. toplevel = Object.const_get(framework.to_s.gsub(/(?:^|_)(.)/) { $1.upcase }) toplevel.load_all! if toplevel.respond_to?(:load_all!) end end end # Add the load paths used by support functions such as the info controller def add_support_load_paths end # Adds all load paths from plugins to the global set of load paths, so that # code from plugins can be required (explicitly or automatically via ActiveSupport::Dependencies). def add_plugin_load_paths plugin_loader.add_plugin_load_paths end def add_gem_load_paths Rails::GemDependency.add_frozen_gem_path unless @configuration.gems.empty? require "rubygems" @configuration.gems.each { |gem| gem.add_load_paths } end end def load_gems unless $gems_rake_task @configuration.gems.each { |gem| gem.load } end end def check_for_unbuilt_gems unbuilt_gems = @configuration.gems.select(&:frozen?).reject(&:built?) if unbuilt_gems.size > 0 # don't print if the gems:build rake tasks are being run unless $gems_build_rake_task abort <<-end_error The following gems have native components that need to be built #{unbuilt_gems.map { |gem| "#{gem.name} #{gem.requirement}" } * "\n "} You're running: ruby #{Gem.ruby_version} at #{Gem.ruby} rubygems #{Gem::RubyGemsVersion} at #{Gem.path * ', '} Run `rake gems:build` to build the unbuilt gems. end_error end end end def check_gem_dependencies unloaded_gems = @configuration.gems.reject { |g| g.loaded? } if unloaded_gems.size > 0 @gems_dependencies_loaded = false # don't print if the gems rake tasks are being run unless $gems_rake_task abort <<-end_error Missing these required gems: #{unloaded_gems.map { |gem| "#{gem.name} #{gem.requirement}" } * "\n "} You're running: ruby #{Gem.ruby_version} at #{Gem.ruby} rubygems #{Gem::RubyGemsVersion} at #{Gem.path * ', '} Run `rake gems:install` to install the missing gems. end_error end else @gems_dependencies_loaded = true end end # Loads all plugins in <tt>config.plugin_paths</tt>. <tt>plugin_paths</tt> # defaults to <tt>vendor/plugins</tt> but may also be set to a list of # paths, such as # config.plugin_paths = ["#{RAILS_ROOT}/lib/plugins", "#{RAILS_ROOT}/vendor/plugins"] # # In the default implementation, as each plugin discovered in <tt>plugin_paths</tt> is initialized: # * its +lib+ directory, if present, is added to the load path (immediately after the applications lib directory) # * <tt>init.rb</tt> is evaluated, if present # # After all plugins are loaded, duplicates are removed from the load path. # If an array of plugin names is specified in config.plugins, only those plugins will be loaded # and they plugins will be loaded in that order. Otherwise, plugins are loaded in alphabetical # order. # # if config.plugins ends contains :all then the named plugins will be loaded in the given order and all other # plugins will be loaded in alphabetical order def load_plugins plugin_loader.load_plugins end def plugin_loader @plugin_loader ||= configuration.plugin_loader.new(self) end # Loads the environment specified by Configuration#environment_path, which # is typically one of development, test, or production. def load_environment silence_warnings do return if @environment_loaded @environment_loaded = true config = configuration constants = self.class.constants eval(IO.read(configuration.environment_path), binding, configuration.environment_path) (self.class.constants - constants).each do |const| Object.const_set(const, self.class.const_get(const)) end end end def load_observers if gems_dependencies_loaded && configuration.frameworks.include?(:active_record) ActiveRecord::Base.instantiate_observers end end def load_view_paths if configuration.frameworks.include?(:action_view) ActionController::Base.view_paths.load! if configuration.frameworks.include?(:action_controller) ActionMailer::Base.view_paths.load! if configuration.frameworks.include?(:action_mailer) end end # Eager load application classes def load_application_classes return if $rails_rake_task if configuration.cache_classes configuration.eager_load_paths.each do |load_path| matcher = /\A#{Regexp.escape(load_path)}(.*)\.rb\Z/ Dir.glob("#{load_path}/**/*.rb").sort.each do |file| require_dependency file.sub(matcher, '\1') end end end end # For Ruby 1.8, this initialization sets $KCODE to 'u' to enable the # multibyte safe operations. Plugin authors supporting other encodings # should override this behaviour and set the relevant +default_charset+ # on ActionController::Base. # # For Ruby 1.9, this does nothing. Specify the default encoding in the Ruby # shebang line if you don't want UTF-8. def initialize_encoding $KCODE='u' if RUBY_VERSION < '1.9' end # This initialization routine does nothing unless <tt>:active_record</tt> # is one of the frameworks to load (Configuration#frameworks). If it is, # this sets the database configuration from Configuration#database_configuration # and then establishes the connection. def initialize_database if configuration.frameworks.include?(:active_record) ActiveRecord::Base.configurations = configuration.database_configuration ActiveRecord::Base.establish_connection end end def initialize_database_middleware if configuration.frameworks.include?(:active_record) if configuration.frameworks.include?(:action_controller) && ActionController::Base.session_store.name == 'ActiveRecord::SessionStore' configuration.middleware.insert_before :"ActiveRecord::SessionStore", ActiveRecord::ConnectionAdapters::ConnectionManagement configuration.middleware.insert_before :"ActiveRecord::SessionStore", ActiveRecord::QueryCache else configuration.middleware.use ActiveRecord::ConnectionAdapters::ConnectionManagement configuration.middleware.use ActiveRecord::QueryCache end end end def initialize_cache unless defined?(RAILS_CACHE) silence_warnings { Object.const_set "RAILS_CACHE", ActiveSupport::Cache.lookup_store(configuration.cache_store) } if RAILS_CACHE.respond_to?(:middleware) # Insert middleware to setup and teardown local cache for each request configuration.middleware.insert_after(:"ActionController::Failsafe", RAILS_CACHE.middleware) end end end def initialize_framework_caches if configuration.frameworks.include?(:action_controller) ActionController::Base.cache_store ||= RAILS_CACHE end end # If the RAILS_DEFAULT_LOGGER constant is already set, this initialization # routine does nothing. If the constant is not set, and Configuration#logger # is not +nil+, this also does nothing. Otherwise, a new logger instance # is created at Configuration#log_path, with a default log level of # Configuration#log_level. # # If the log could not be created, the log will be set to output to # +STDERR+, with a log level of +WARN+. def initialize_logger # if the environment has explicitly defined a logger, use it return if Rails.logger unless logger = configuration.logger begin logger = ActiveSupport::BufferedLogger.new(configuration.log_path) logger.level = ActiveSupport::BufferedLogger.const_get(configuration.log_level.to_s.upcase) if configuration.environment == "production" logger.auto_flushing = false end rescue StandardError => e logger = ActiveSupport::BufferedLogger.new(STDERR) logger.level = ActiveSupport::BufferedLogger::WARN logger.warn( "Rails Error: Unable to access log file. Please ensure that #{configuration.log_path} exists and is chmod 0666. " + "The log level has been raised to WARN and the output directed to STDERR until the problem is fixed." ) end end silence_warnings { Object.const_set "RAILS_DEFAULT_LOGGER", logger } end # Sets the logger for Active Record, Action Controller, and Action Mailer # (but only for those frameworks that are to be loaded). If the framework's # logger is already set, it is not changed, otherwise it is set to use # RAILS_DEFAULT_LOGGER. def initialize_framework_logging for framework in ([ :active_record, :action_controller, :action_mailer ] & configuration.frameworks) framework.to_s.camelize.constantize.const_get("Base").logger ||= Rails.logger end ActiveSupport::Dependencies.logger ||= Rails.logger Rails.cache.logger ||= Rails.logger end # Sets +ActionController::Base#view_paths+ and +ActionMailer::Base#template_root+ # (but only for those frameworks that are to be loaded). If the framework's # paths have already been set, it is not changed, otherwise it is # set to use Configuration#view_path. def initialize_framework_views if configuration.frameworks.include?(:action_view) view_path = ActionView::PathSet.type_cast(configuration.view_path) ActionMailer::Base.template_root = view_path if configuration.frameworks.include?(:action_mailer) && ActionMailer::Base.view_paths.blank? ActionController::Base.view_paths = view_path if configuration.frameworks.include?(:action_controller) && ActionController::Base.view_paths.blank? end end # If Action Controller is not one of the loaded frameworks (Configuration#frameworks) # this does nothing. Otherwise, it loads the routing definitions and sets up # loading module used to lazily load controllers (Configuration#controller_paths). def initialize_routing return unless configuration.frameworks.include?(:action_controller) ActionController::Routing.controller_paths += configuration.controller_paths ActionController::Routing::Routes.add_configuration_file(configuration.routes_configuration_file) ActionController::Routing::Routes.reload! end # Sets the dependency loading mechanism based on the value of # Configuration#cache_classes. def initialize_dependency_mechanism ActiveSupport::Dependencies.mechanism = configuration.cache_classes ? :require : :load end # Loads support for "whiny nil" (noisy warnings when methods are invoked # on +nil+ values) if Configuration#whiny_nils is true. def initialize_whiny_nils require('active_support/whiny_nil') if configuration.whiny_nils end # Sets the default value for Time.zone, and turns on ActiveRecord::Base#time_zone_aware_attributes. # If assigned value cannot be matched to a TimeZone, an exception will be raised. def initialize_time_zone if configuration.time_zone zone_default = Time.__send__(:get_zone, configuration.time_zone) unless zone_default raise \ 'Value assigned to config.time_zone not recognized.' + 'Run "rake -D time" for a list of tasks for finding appropriate time zone names.' end Time.zone_default = zone_default if configuration.frameworks.include?(:active_record) ActiveRecord::Base.time_zone_aware_attributes = true ActiveRecord::Base.default_timezone = :utc end end end # Set the i18n configuration from config.i18n but special-case for the load_path which should be # appended to what's already set instead of overwritten. def initialize_i18n configuration.i18n.each do |setting, value| if setting == :load_path I18n.load_path += value else I18n.send("#{setting}=", value) end end end def initialize_metal Rails::Rack::Metal.requested_metals = configuration.metals Rails::Rack::Metal.metal_paths += plugin_loader.engine_metal_paths configuration.middleware.insert_before( :"ActionController::ParamsParser", Rails::Rack::Metal, :if => Rails::Rack::Metal.metals.any?) end # Initializes framework-specific settings for each of the loaded frameworks # (Configuration#frameworks). The available settings map to the accessors # on each of the corresponding Base classes. def initialize_framework_settings configuration.frameworks.each do |framework| base_class = framework.to_s.camelize.constantize.const_get("Base") configuration.send(framework).each do |setting, value| base_class.send("#{setting}=", value) end end configuration.active_support.each do |setting, value| ActiveSupport.send("#{setting}=", value) end end # Fires the user-supplied after_initialize block (Configuration#after_initialize) def after_initialize if gems_dependencies_loaded configuration.after_initialize_blocks.each do |block| block.call end end end def load_application_initializers if gems_dependencies_loaded Dir["#{configuration.root_path}/config/initializers/**/*.rb"].sort.each do |initializer| load(initializer) end end end def prepare_dispatcher return unless configuration.frameworks.include?(:action_controller) require 'dispatcher' unless defined?(::Dispatcher) Dispatcher.define_dispatcher_callbacks(configuration.cache_classes) Dispatcher.run_prepare_callbacks end def disable_dependency_loading if configuration.cache_classes && !configuration.dependency_loading ActiveSupport::Dependencies.unhook! end end end # The Configuration class holds all the parameters for the Initializer and # ships with defaults that suites most Rails applications. But it's possible # to overwrite everything. Usually, you'll create an Configuration file # implicitly through the block running on the Initializer, but it's also # possible to create the Configuration instance in advance and pass it in # like this: # # config = Rails::Configuration.new # Rails::Initializer.run(:process, config) class Configuration # The application's base directory. attr_reader :root_path # A stub for setting options on ActionController::Base. attr_accessor :action_controller # A stub for setting options on ActionMailer::Base. attr_accessor :action_mailer # A stub for setting options on ActionView::Base. attr_accessor :action_view # A stub for setting options on ActiveRecord::Base. attr_accessor :active_record # A stub for setting options on ActiveResource::Base. attr_accessor :active_resource # A stub for setting options on ActiveSupport. attr_accessor :active_support # Whether to preload all frameworks at startup. attr_accessor :preload_frameworks # Whether or not classes should be cached (set to false if you want # application classes to be reloaded on each request) attr_accessor :cache_classes # The list of paths that should be searched for controllers. (Defaults # to <tt>app/controllers</tt>.) attr_accessor :controller_paths # The path to the database configuration file to use. (Defaults to # <tt>config/database.yml</tt>.) attr_accessor :database_configuration_file # The path to the routes configuration file to use. (Defaults to # <tt>config/routes.rb</tt>.) attr_accessor :routes_configuration_file # The list of rails framework components that should be loaded. (Defaults # to <tt>:active_record</tt>, <tt>:action_controller</tt>, # <tt>:action_view</tt>, <tt>:action_mailer</tt>, and # <tt>:active_resource</tt>). attr_accessor :frameworks # An array of additional paths to prepend to the load path. By default, # all +app+, +lib+, +vendor+ and mock paths are included in this list. attr_accessor :load_paths # An array of paths from which Rails will automatically load from only once. # All elements of this array must also be in +load_paths+. attr_accessor :load_once_paths # An array of paths from which Rails will eager load on boot if cache # classes is enabled. All elements of this array must also be in # +load_paths+. attr_accessor :eager_load_paths # The log level to use for the default Rails logger. In production mode, # this defaults to <tt>:info</tt>. In development mode, it defaults to # <tt>:debug</tt>. attr_accessor :log_level # The path to the log file to use. Defaults to log/#{environment}.log # (e.g. log/development.log or log/production.log). attr_accessor :log_path # The specific logger to use. By default, a logger will be created and # initialized using #log_path and #log_level, but a programmer may # specifically set the logger to use via this accessor and it will be # used directly. attr_accessor :logger # The specific cache store to use. By default, the ActiveSupport::Cache::Store will be used. attr_accessor :cache_store # The root of the application's views. (Defaults to <tt>app/views</tt>.) attr_accessor :view_path # Set to +true+ if you want to be warned (noisily) when you try to invoke # any method of +nil+. Set to +false+ for the standard Ruby behavior. attr_accessor :whiny_nils # The list of plugins to load. If this is set to <tt>nil</tt>, all plugins will # be loaded. If this is set to <tt>[]</tt>, no plugins will be loaded. Otherwise, # plugins will be loaded in the order specified. attr_reader :plugins def plugins=(plugins) @plugins = plugins.nil? ? nil : plugins.map { |p| p.to_sym } end # The list of metals to load. If this is set to <tt>nil</tt>, all metals will # be loaded in alphabetical order. If this is set to <tt>[]</tt>, no metals will # be loaded. Otherwise metals will be loaded in the order specified attr_accessor :metals # The path to the root of the plugins directory. By default, it is in # <tt>vendor/plugins</tt>. attr_accessor :plugin_paths # The classes that handle finding the desired plugins that you'd like to load for # your application. By default it is the Rails::Plugin::FileSystemLocator which finds # plugins to load in <tt>vendor/plugins</tt>. You can hook into gem location by subclassing # Rails::Plugin::Locator and adding it onto the list of <tt>plugin_locators</tt>. attr_accessor :plugin_locators # The class that handles loading each plugin. Defaults to Rails::Plugin::Loader, but # a sub class would have access to fine grained modification of the loading behavior. See # the implementation of Rails::Plugin::Loader for more details. attr_accessor :plugin_loader # Enables or disables plugin reloading. You can get around this setting per plugin. # If <tt>reload_plugins?</tt> is false, add this to your plugin's <tt>init.rb</tt> # to make it reloadable: # # ActiveSupport::Dependencies.load_once_paths.delete lib_path # # If <tt>reload_plugins?</tt> is true, add this to your plugin's <tt>init.rb</tt> # to only load it once: # # ActiveSupport::Dependencies.load_once_paths << lib_path # attr_accessor :reload_plugins # Returns true if plugin reloading is enabled. def reload_plugins? !!@reload_plugins end # Enables or disables dependency loading during the request cycle. Setting # <tt>dependency_loading</tt> to true will allow new classes to be loaded # during a request. Setting it to false will disable this behavior. # # Those who want to run in a threaded environment should disable this # option and eager load or require all there classes on initialization. # # If <tt>cache_classes</tt> is disabled, dependency loaded will always be # on. attr_accessor :dependency_loading # An array of gems that this rails application depends on. Rails will automatically load # these gems during installation, and allow you to install any missing gems with: # # rake gems:install # # You can add gems with the #gem method. attr_accessor :gems # Adds a single Gem dependency to the rails application. By default, it will require # the library with the same name as the gem. Use :lib to specify a different name. # # # gem 'aws-s3', '>= 0.4.0' # # require 'aws/s3' # config.gem 'aws-s3', :lib => 'aws/s3', :version => '>= 0.4.0', \ # :source => "http://code.whytheluckystiff.net" # # To require a library be installed, but not attempt to load it, pass :lib => false # # config.gem 'qrp', :version => '0.4.1', :lib => false def gem(name, options = {}) @gems << Rails::GemDependency.new(name, options) end # Deprecated options: def breakpoint_server(_ = nil) $stderr.puts %( ******************************************************************* * config.breakpoint_server has been deprecated and has no effect. * ******************************************************************* ) end alias_method :breakpoint_server=, :breakpoint_server # Sets the default +time_zone+. Setting this will enable +time_zone+ # awareness for Active Record models and set the Active Record default # timezone to <tt>:utc</tt>. attr_accessor :time_zone # Accessor for i18n settings. attr_accessor :i18n # Create a new Configuration instance, initialized with the default # values. def initialize set_root_path! self.frameworks = default_frameworks self.load_paths = default_load_paths self.load_once_paths = default_load_once_paths self.eager_load_paths = default_eager_load_paths self.log_path = default_log_path self.log_level = default_log_level self.view_path = default_view_path self.controller_paths = default_controller_paths self.preload_frameworks = default_preload_frameworks self.cache_classes = default_cache_classes self.dependency_loading = default_dependency_loading self.whiny_nils = default_whiny_nils self.plugins = default_plugins self.plugin_paths = default_plugin_paths self.plugin_locators = default_plugin_locators self.plugin_loader = default_plugin_loader self.database_configuration_file = default_database_configuration_file self.routes_configuration_file = default_routes_configuration_file self.gems = default_gems self.i18n = default_i18n for framework in default_frameworks self.send("#{framework}=", Rails::OrderedOptions.new) end self.active_support = Rails::OrderedOptions.new end # Set the root_path to RAILS_ROOT and canonicalize it. def set_root_path! raise 'RAILS_ROOT is not set' unless defined?(::RAILS_ROOT) raise 'RAILS_ROOT is not a directory' unless File.directory?(::RAILS_ROOT) @root_path = # Pathname is incompatible with Windows, but Windows doesn't have # real symlinks so File.expand_path is safe. if RUBY_PLATFORM =~ /(:?mswin|mingw)/ File.expand_path(::RAILS_ROOT) # Otherwise use Pathname#realpath which respects symlinks. else Pathname.new(::RAILS_ROOT).realpath.to_s end Object.const_set(:RELATIVE_RAILS_ROOT, ::RAILS_ROOT.dup) unless defined?(::RELATIVE_RAILS_ROOT) ::RAILS_ROOT.replace @root_path end # Enable threaded mode. Allows concurrent requests to controller actions and # multiple database connections. Also disables automatic dependency loading # after boot, and disables reloading code on every request, as these are # fundamentally incompatible with thread safety. def threadsafe! self.preload_frameworks = true self.cache_classes = true self.dependency_loading = false self.action_controller.allow_concurrency = true self end # Loads and returns the contents of the #database_configuration_file. The # contents of the file are processed via ERB before being sent through # YAML::load. def database_configuration require 'erb' YAML::load(ERB.new(IO.read(database_configuration_file)).result) end # The path to the current environment's file (<tt>development.rb</tt>, etc.). By # default the file is at <tt>config/environments/#{environment}.rb</tt>. def environment_path "#{root_path}/config/environments/#{environment}.rb" end # Return the currently selected environment. By default, it returns the # value of the RAILS_ENV constant. def environment ::RAILS_ENV end # Adds a block which will be executed after rails has been fully initialized. # Useful for per-environment configuration which depends on the framework being # fully initialized. def after_initialize(&after_initialize_block) after_initialize_blocks << after_initialize_block if after_initialize_block end # Returns the blocks added with Configuration#after_initialize def after_initialize_blocks @after_initialize_blocks ||= [] end # Add a preparation callback that will run before every request in development # mode, or before the first request in production. # # See Dispatcher#to_prepare. def to_prepare(&callback) after_initialize do require 'dispatcher' unless defined?(::Dispatcher) Dispatcher.to_prepare(&callback) end end def middleware require 'action_controller' ActionController::Dispatcher.middleware end def builtin_directories # Include builtins only in the development environment. (environment == 'development') ? Dir["#{RAILTIES_PATH}/builtin/*/"] : [] end def framework_paths paths = %w(railties railties/lib activesupport/lib) paths << 'actionpack/lib' if frameworks.include?(:action_controller) || frameworks.include?(:action_view) [:active_record, :action_mailer, :active_resource, :action_web_service].each do |framework| paths << "#{framework.to_s.gsub('_', '')}/lib" if frameworks.include?(framework) end paths.map { |dir| "#{framework_root_path}/#{dir}" }.select { |dir| File.directory?(dir) } end private def framework_root_path defined?(::RAILS_FRAMEWORK_ROOT) ? ::RAILS_FRAMEWORK_ROOT : "#{root_path}/vendor/rails" end def default_frameworks [ :active_record, :action_controller, :action_view, :action_mailer, :active_resource ] end def default_load_paths paths = [] # Add the old mock paths only if the directories exists paths.concat(Dir["#{root_path}/test/mocks/#{environment}"]) if File.exists?("#{root_path}/test/mocks/#{environment}") # Add the app's controller directory paths.concat(Dir["#{root_path}/app/controllers/"]) # Followed by the standard includes. paths.concat %w( app app/metal app/models app/controllers app/helpers app/services lib vendor ).map { |dir| "#{root_path}/#{dir}" }.select { |dir| File.directory?(dir) } paths.concat builtin_directories end # Doesn't matter since plugins aren't in load_paths yet. def default_load_once_paths [] end def default_eager_load_paths %w( app/metal app/models app/controllers app/helpers ).map { |dir| "#{root_path}/#{dir}" }.select { |dir| File.directory?(dir) } end def default_log_path File.join(root_path, 'log', "#{environment}.log") end def default_log_level environment == 'production' ? :info : :debug end def default_database_configuration_file File.join(root_path, 'config', 'database.yml') end def default_routes_configuration_file File.join(root_path, 'config', 'routes.rb') end def default_view_path File.join(root_path, 'app', 'views') end def default_controller_paths paths = [File.join(root_path, 'app', 'controllers')] paths.concat builtin_directories paths end def default_dependency_loading true end def default_preload_frameworks false end def default_cache_classes true end def default_whiny_nils false end def default_plugins nil end def default_plugin_paths ["#{root_path}/vendor/plugins"] end def default_plugin_locators locators = [] locators << Plugin::GemLocator if defined? Gem locators << Plugin::FileSystemLocator end def default_plugin_loader Plugin::Loader end def default_cache_store if File.exist?("#{root_path}/tmp/cache/") [ :file_store, "#{root_path}/tmp/cache/" ] else :memory_store end end def default_gems [] end def default_i18n i18n = Rails::OrderedOptions.new i18n.load_path = [] if File.exist?(File.join(RAILS_ROOT, 'config', 'locales')) i18n.load_path << Dir[File.join(RAILS_ROOT, 'config', 'locales', '*.{rb,yml}')] i18n.load_path.flatten! end i18n end end end # Needs to be duplicated from Active Support since its needed before Active # Support is available. Here both Options and Hash are namespaced to prevent # conflicts with other implementations AND with the classes residing in Active Support. class Rails::OrderedOptions < Array #:nodoc: def []=(key, value) key = key.to_sym if pair = find_pair(key) pair.pop pair << value else self << [key, value] end end def [](key) pair = find_pair(key.to_sym) pair ? pair.last : nil end def method_missing(name, *args) if name.to_s =~ /(.*)=$/ self[$1.to_sym] = args.first else self[name] end end private def find_pair(key) self.each { |i| return i if i.first == key } return false end end