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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_build_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 ActionController::Base.session_store == 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
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