require 'yaml' require 'erb' module Config module Sources class YAMLSource attr_accessor :path def initialize(path) @path = path.to_s end # returns a config hash from the YML file def load result = YAML.load(ERB.new(IO.read(@path)).result) if @path and File.exist?(@path) result || {} rescue Psych::SyntaxError => e raise "YAML syntax error occurred while parsing #{@path}. " \ "Please note that YAML must be consistently indented using spaces. Tabs are not allowed. " \ "Error: #{e.message}" end end end end