<commit_before>require 'logger'
require 'set'
require File.join(File.dirname(__FILE__), 'railties_path')
require File.join(File.dirname(__FILE__), 'rails/version')

RAILS_ENV = (ENV['RAILS_ENV'] || 'development').dup unless defined?(RAILS_ENV)

module Rails
  # 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_web_service ]
  #   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

    # 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
    # incuring 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:
    #
    # * #set_load_path
    # * #set_connection_adapters
    # * #require_frameworks
    # * #load_environment
    # * #initialize_database
    # * #initialize_logger
    # * #initialize_framework_logging
    # * #initialize_framework_views
    # * #initialize_dependency_mechanism
    # * #initialize_breakpoints
    # * #initialize_whiny_nils
    # * #initialize_framework_settings
    # * #load_environment
    # * #load_plugins
    # * #load_observers
    # * #initialize_routing
    #
    # (Note that #load_environment is invoked twice, once at the start and
    # once at the end, to support the legacy configuration style where the
    # environment could overwrite the defaults directly, instead of via the
    # Configuration instance.
    def process
      check_ruby_version
      set_load_path
      set_connection_adapters

      require_frameworks
      set_autoload_paths
      load_environment

      initialize_encoding
      initialize_database
      initialize_logger
      initialize_framework_logging
      initialize_framework_views
      initialize_dependency_mechanism
      initialize_breakpoints
      initialize_whiny_nils
      initialize_temporary_directories
      initialize_framework_settings

      # Support for legacy configuration style where the environment
      # could overwrite anything set from the defaults/global through
      # the individual base class configurations.
      load_environment

      add_support_load_paths

      load_plugins

      # Observers are loaded after plugins in case Observers or observed models are modified by plugins.
      load_observers

      # Routing must be initialized after plugins to allow the former to extend the routes
      initialize_routing

      # the framework is now fully initialized
      after_initialize
    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

    # 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
      Dependencies.load_paths = configuration.load_paths.uniq
      Dependencies.load_once_paths = configuration.load_once_paths.uniq

      extra = Dependencies.load_once_paths - 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

    # Sets the +RAILS_CONNECTION_ADAPTERS+ constant based on the value of
    # Configuration#connection_adapters. This constant is used to determine
    # which database adapters should be loaded (by default, all adapters are
    # loaded).
    def set_connection_adapters
      Object.const_set("RAILS_CONNECTION_ADAPTERS", configuration.connection_adapters) if configuration.connection_adapters
    end

    # Requires all frameworks specified by the Configuration#frameworks
    # list. By default, all frameworks (ActiveRecord, ActiveSupport,
    # ActionPack, ActionMailer, and ActionWebService) are loaded.
    def require_frameworks
      configuration.frameworks.each { |framework| require(framework.to_s) }
    end

    # Add the load paths used by support functions such as the info controller
    def add_support_load_paths
    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 = ['lib/plugins', 'vendor/plugins']
    #
    # Each plugin discovered in <tt>plugin_paths</tt> is initialized:
    # * add its +lib+ directory, if present, to the beginning of the load path
    # * evaluate <tt>init.rb</tt> 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, the plugins
    # will be loaded in that order. Otherwise, plugins are loaded in alphabetical
    # order.
    def load_plugins
      if configuration.plugins.nil?
        # a nil value implies we don't care about plugins; load 'em all in a reliable order
        find_plugins(configuration.plugin_paths).sort.each { |path| load_plugin path }
      elsif !configuration.plugins.empty?
        # we've specified a config.plugins array, so respect that order
        plugin_paths = find_plugins(configuration.plugin_paths)
        configuration.plugins.each do |name|
          path = plugin_paths.find { |p| File.basename(p) == name }
          raise(LoadError, "Cannot find the plugin '#{name}'!") if path.nil?
          load_plugin path
        end
      end 
      $LOAD_PATH.uniq!
    end

    # Loads the environment specified by Configuration#environment_path, which
    # is typically one of development, testing, or production.
    def load_environment
      silence_warnings do
        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
      ActiveRecord::Base.instantiate_observers
    end

    # This initialzation 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
    def initialize_encoding
      $KCODE='u'
    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
      return unless configuration.frameworks.include?(:active_record)
      ActiveRecord::Base.configurations = configuration.database_configuration
      ActiveRecord::Base.establish_connection
    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 defined?(RAILS_DEFAULT_LOGGER)

      unless logger = configuration.logger
        begin
          logger = Logger.new(configuration.log_path)
          logger.level = Logger.const_get(configuration.log_level.to_s.upcase)
        rescue StandardError
          logger = Logger.new(STDERR)
          logger.level = Logger::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 ActiveRecord, ActionController, and ActionMailer
    # (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_DEFAULT_LOGGER
      end
    end

    # Sets +ActionController::BaseEview_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
      ActionMailer::Base.template_root ||= configuration.view_path    if configuration.frameworks.include?(:action_mailer)
      ActionController::Base.view_paths ||= [configuration.view_path] if configuration.frameworks.include?(:action_controller)
    end

    # If ActionController 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.reload
    end<commit_msg>Fix Rails::Initializer since #view_paths is never nil<commit_after>require 'logger'
require 'set'
require File.join(File.dirname(__FILE__), 'railties_path')
require File.join(File.dirname(__FILE__), 'rails/version')

RAILS_ENV = (ENV['RAILS_ENV'] || 'development').dup unless defined?(RAILS_ENV)

module Rails
  # 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_web_service ]
  #   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

    # 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
    # incuring 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:
    #
    # * #set_load_path
    # * #set_connection_adapters
    # * #require_frameworks
    # * #load_environment
    # * #initialize_database
    # * #initialize_logger
    # * #initialize_framework_logging
    # * #initialize_framework_views
    # * #initialize_dependency_mechanism
    # * #initialize_breakpoints
    # * #initialize_whiny_nils
    # * #initialize_framework_settings
    # * #load_environment
    # * #load_plugins
    # * #load_observers
    # * #initialize_routing
    #
    # (Note that #load_environment is invoked twice, once at the start and
    # once at the end, to support the legacy configuration style where the
    # environment could overwrite the defaults directly, instead of via the
    # Configuration instance.
    def process
      check_ruby_version
      set_load_path
      set_connection_adapters

      require_frameworks
      set_autoload_paths
      load_environment

      initialize_encoding
      initialize_database
      initialize_logger
      initialize_framework_logging
      initialize_framework_views
      initialize_dependency_mechanism
      initialize_breakpoints
      initialize_whiny_nils
      initialize_temporary_directories
      initialize_framework_settings

      # Support for legacy configuration style where the environment
      # could overwrite anything set from the defaults/global through
      # the individual base class configurations.
      load_environment

      add_support_load_paths

      load_plugins

      # Observers are loaded after plugins in case Observers or observed models are modified by plugins.
      load_observers

      # Routing must be initialized after plugins to allow the former to extend the routes
      initialize_routing

      # the framework is now fully initialized
      after_initialize
    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

    # 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
      Dependencies.load_paths = configuration.load_paths.uniq
      Dependencies.load_once_paths = configuration.load_once_paths.uniq

      extra = Dependencies.load_once_paths - 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

    # Sets the +RAILS_CONNECTION_ADAPTERS+ constant based on the value of
    # Configuration#connection_adapters. This constant is used to determine
    # which database adapters should be loaded (by default, all adapters are
    # loaded).
    def set_connection_adapters
      Object.const_set("RAILS_CONNECTION_ADAPTERS", configuration.connection_adapters) if configuration.connection_adapters
    end

    # Requires all frameworks specified by the Configuration#frameworks
    # list. By default, all frameworks (ActiveRecord, ActiveSupport,
    # ActionPack, ActionMailer, and ActionWebService) are loaded.
    def require_frameworks
      configuration.frameworks.each { |framework| require(framework.to_s) }
    end

    # Add the load paths used by support functions such as the info controller
    def add_support_load_paths
    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 = ['lib/plugins', 'vendor/plugins']
    #
    # Each plugin discovered in <tt>plugin_paths</tt> is initialized:
    # * add its +lib+ directory, if present, to the beginning of the load path
    # * evaluate <tt>init.rb</tt> 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, the plugins
    # will be loaded in that order. Otherwise, plugins are loaded in alphabetical
    # order.
    def load_plugins
      if configuration.plugins.nil?
        # a nil value implies we don't care about plugins; load 'em all in a reliable order
        find_plugins(configuration.plugin_paths).sort.each { |path| load_plugin path }
      elsif !configuration.plugins.empty?
        # we've specified a config.plugins array, so respect that order
        plugin_paths = find_plugins(configuration.plugin_paths)
        configuration.plugins.each do |name|
          path = plugin_paths.find { |p| File.basename(p) == name }
          raise(LoadError, "Cannot find the plugin '#{name}'!") if path.nil?
          load_plugin path
        end
      end 
      $LOAD_PATH.uniq!
    end

    # Loads the environment specified by Configuration#environment_path, which
    # is typically one of development, testing, or production.
    def load_environment
      silence_warnings do
        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
      ActiveRecord::Base.instantiate_observers
    end

    # This initialzation 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
    def initialize_encoding
      $KCODE='u'
    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
      return unless configuration.frameworks.include?(:active_record)
      ActiveRecord::Base.configurations = configuration.database_configuration
      ActiveRecord::Base.establish_connection
    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 defined?(RAILS_DEFAULT_LOGGER)

      unless logger = configuration.logger
        begin
          logger = Logger.new(configuration.log_path)
          logger.level = Logger.const_get(configuration.log_level.to_s.upcase)
        rescue StandardError
          logger = Logger.new(STDERR)
          logger.level = Logger::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 ActiveRecord, ActionController, and ActionMailer
    # (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_DEFAULT_LOGGER
      end
    end

    # Sets +ActionController::BaseEview_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
      ActionMailer::Base.template_root ||= configuration.view_path  if configuration.frameworks.include?(:action_mailer)
      ActionController::Base.view_paths = [configuration.view_path] if configuration.frameworks.include?(:action_controller) && ActionController::Base.view_paths.empty?
    end

    # If ActionController 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.reload
    end
{'fraction_non_alphanumeric': 0.0634661628306424, 'fraction_numerical': 0.00034352456200618345, 'mean_word_length': 3.2992431235000925, 'pattern_counts': {'":': 0, '<': 35, '<?xml version=': 0, '>': 31, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2238530', 'n_tokens_mistral': 6175, 'n_tokens_neox': 6019, 'n_words': 2110}