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How to use initialize method of Fetchers Package

Best Inspec_ruby code snippet using Fetchers.initialize

fetcher.rb

Source:fetcher.rb

...15    # This error is raised if the API returns a 413 (only printed in verbose)16    class FallbackError < HTTPError; end17    # This is the error raised if OpenSSL fails the cert verification18    class CertificateFailureError < HTTPError19      def initialize(remote_uri)20        remote_uri = filter_uri(remote_uri)21        super "Could not verify the SSL certificate for #{remote_uri}.\nThere" \22          " is a chance you are experiencing a man-in-the-middle attack, but" \23          " most likely your system doesn't have the CA certificates needed" \24          " for verification. For information about OpenSSL certificates, see" \25          " http://bit.ly/ruby-ssl. To connect without using SSL, edit your Gemfile" \26          " sources and change 'https' to 'http'."27      end28    end29    # This is the error raised when a source is HTTPS and OpenSSL didn't load30    class SSLError < HTTPError31      def initialize(msg = nil)32        super msg || "Could not load OpenSSL.\n" \33            "You must recompile Ruby with OpenSSL support or change the sources in your " \34            "Gemfile from 'https' to 'http'. Instructions for compiling with OpenSSL " \35            "using RVM are available at rvm.io/packages/openssl."36      end37    end38    # This error is raised if HTTP authentication is required, but not provided.39    class AuthenticationRequiredError < HTTPError40      def initialize(remote_uri)41        remote_uri = filter_uri(remote_uri)42        super "Authentication is required for #{remote_uri}.\n" \43          "Please supply credentials for this source. You can do this by running:\n" \44          " bundle config #{remote_uri} username:password"45      end46    end47    # This error is raised if HTTP authentication is provided, but incorrect.48    class BadAuthenticationError < HTTPError49      def initialize(remote_uri)50        remote_uri = filter_uri(remote_uri)51        super "Bad username or password for #{remote_uri}.\n" \52          "Please double-check your credentials and correct them."53      end54    end55    # Exceptions classes that should bypass retry attempts. If your password didn't work the56    # first time, it's not going to the third time.57    NET_ERRORS = [:HTTPBadGateway, :HTTPBadRequest, :HTTPFailedDependency,58                  :HTTPForbidden, :HTTPInsufficientStorage, :HTTPMethodNotAllowed,59                  :HTTPMovedPermanently, :HTTPNoContent, :HTTPNotFound,60                  :HTTPNotImplemented, :HTTPPreconditionFailed, :HTTPRequestEntityTooLarge,61                  :HTTPRequestURITooLong, :HTTPUnauthorized, :HTTPUnprocessableEntity,62                  :HTTPUnsupportedMediaType, :HTTPVersionNotSupported].freeze63    FAIL_ERRORS = begin64      fail_errors = [AuthenticationRequiredError, BadAuthenticationError, FallbackError]65      fail_errors << Gem::Requirement::BadRequirementError if defined?(Gem::Requirement::BadRequirementError)66      fail_errors.concat(NET_ERRORS.map {|e| SharedHelpers.const_get_safely(e, Net) }.compact)67    end.freeze68    class << self69      attr_accessor :disable_endpoint, :api_timeout, :redirect_limit, :max_retries70    end71    self.redirect_limit = Bundler.settings[:redirect] # How many redirects to allow in one request72    self.api_timeout    = Bundler.settings[:timeout] # How long to wait for each API call73    self.max_retries    = Bundler.settings[:retry] # How many retries for the API call74    def initialize(remote)75      @remote = remote76      Socket.do_not_reverse_lookup = true77      connection # create persistent connection78    end79    def uri80      @remote.anonymized_uri81    end82    # fetch a gem specification83    def fetch_spec(spec)84      spec -= [nil, "ruby", ""]85      spec_file_name = "#{spec.join "-"}.gemspec"86      uri = URI.parse("#{remote_uri}#{Gem::MARSHAL_SPEC_DIR}#{spec_file_name}.rz")87      if uri.scheme == "file"88        Bundler.load_marshal Gem.inflate(Gem.read_binary(uri.path))...

launcher.rb

Source:launcher.rb

...8require File.dirname(__FILE__)+"/launchable_fetcher"9class Launcher10  attr_reader :configuration, :i18n_version, :logger, :env, :force_threaded_framework11  attr_accessor :import_queue, :fetching_completed, :threads12  def initialize(i18n_version = "us", force_threaded_framework = false)13    @i18n_version = i18n_version14    @fetcher_queue = Array.new15    @running_queue = Array.new16    Dir.mkdir File.join(File.dirname(__FILE__),"..", "log") unless File.exists? File.join(File.dirname(__FILE__),"..", "log")17    @logger = Logger.new(File.join(File.dirname(__FILE__),"..", "log", "launcher.log"))18    @logger.formatter = SeverityFormatter.new19    @threads = []20    @env = ENV['RAILS_ENV']21    @force_threaded_framework = force_threaded_framework22    @import_queue = Queue.new23    @fetching_completed = false24    load_configuration25    prepare_fetchers26  end27  def load_configuration28    config = load_configuration_from_file(File.join(File.dirname(__FILE__),"..", "config", "launcher.yml"))29    if env.nil?30      @configuration = config[:default] || {}31    else32      @configuration = (config[:default] || {}).merge(config[env.to_sym] || {})33    end34    @configuration.merge!(load_configuration_from_file(File.join(File.dirname(__FILE__),"..", "config", "launcher.#{self.i18n_version}.yml")))35  end36  def prepare_fetchers37    if @force_threaded_framework38      @configuration[:fetchers].each do |fetcher|39        fetcher[:threaded] = true40      end41    end42  end43  def load_configuration_from_file(file)44    YAML.load(ERB.new(IO.read(file)).result(binding))45  end46  def run47    self.initialize_fetcher_queue48    initialize_import_thread49    while self.fetcher_queue.any? || self.running_queue.any?50      launch_fetcher51      remove_fetchers :expired52      remove_fetchers :completed53      sleep 154    end55    ## All fetchers are pushed onto import queue by this time. Solves race condition.56    @fetching_completed = true57    58    self.logger.info "joining threads"59    @threads.each{|t| t.join}60  end61  def initialize_import_thread62    num_import_threads.times do |i|63      @threads << Thread.new do64        run_import_thread i65      end66    end67  end68  def remove_fetchers(expired_or_completed)69    raise ArgumentError unless [:expired, :completed].include?(expired_or_completed)70    of_interest = @running_queue.select{|x| x.send("#{expired_or_completed}?")}71    of_interest.each do |fetcher|72      @running_queue.delete(fetcher)73      fetcher.after_expired if :expired == expired_or_completed74      75      @import_queue << fetcher76    end77  end78  def pop_next_fetcher!79     next_fetcher_index = nil80     self.fetcher_queue.each_with_index do |fetcher,index|81       if fetcher && fetcher.runnable?82         next_fetcher_index = index83         break84       end85     end86     next_fetcher = next_fetcher_index ? self.fetcher_queue.delete_at(next_fetcher_index) : nil87     next_fetcher88   end89   def launch_fetcher90     if self.running_queue.length < self.concurrent_running_limit91       if fetcher = self.pop_next_fetcher!92         self.running_queue << fetcher93         @threads << Thread.new do94           fetcher.launch95         end96       end97     end98   end99  def initialize_fetcher_queue100    prioritized_fetchers = self.fetchers.select{|x| x.has_key?(:priority)}.sort{|x,y| x[:priority] <=> y[:priority]}.reverse101    non_prioritized_fetchers = self.fetchers.select{|x| !x.has_key?(:priority)}102    all_fetchers = prioritized_fetchers | non_prioritized_fetchers103    @fetcher_queue = all_fetchers.map{|x| LaunchableFetcher.new(x.merge({:launcher => self}))}104  end105  def run_import_thread(thread_number)106    self.logger.info "Starting import thread #{thread_number}"107    until fetching_completed? && @import_queue.empty?108      import_a_fetcher109      sleep 1110    end111    112    self.logger.info "Terminating import thread"113  end...

fetches.rb

Source:fetches.rb

...3    def self.included(base) # :nodoc:4      base.class_eval do5        @@default_fetcher_options = { :using => "find",6                                      :from => :id,7                                      :initialize => false }8        cattr_accessor :default_fetcher_options9        10        def self.fetchers # :nodoc:11          read_inheritable_attribute(:fetchers) || write_inheritable_attribute(:fetchers, {})12        end13        14        def self.initializing_fetchers # :nodoc:15          read_inheritable_attribute(:initializing_fetchers) || write_inheritable_attribute(:initializing_fetchers, {})16        end17        # Automatically creates a helper method to fetch a memoized record based on18        # a passed-in parameter.19        #20        # Usage:21        #22        #   class UsersController < ApplicationController23        #     fetches :user24        #   end25        #26        #   # Advanced example with nested route such as /users/:user_id/articles27        #   class ArticlesController < ApplicationController28        #     fetches :user, :as => :author, :from => :user_id, :using => :find_by_login29        #     fetches :article, :initialize => true30        #   end31        #32        #   # Example with Proc-based 'from'33        #   class UsersController < ApplicationController34        #     fetches :user, :from => Proc.new{ |c| c.params[:user_id] || c.params[:id] }35        #   end36        #37        # Options:38        #39        # - +as+: the name of the helper method to generate (default is the model name)40        # - +from+: the parameter passed into the finder method (default is +:id+). May also be passed as a Proc that evaluates against a controller argument.41        # - +using+: the class method name to use as a finder (default is +"find"+)42        # - +initialize+: optionally initialize a new record using parameters if one isn't found. If set to true, initializes from +params[:model_name]+, if false, won't initialize. May also be set to a parameter key or Proc. Default is +false+.43        #44        # Default options may be specified by setting them in an initializer. Example:45        #46        #    ActionController::Base.default_fetcher_options[:using] = "find_by_id"47        def self.fetches(model_name, options = {})48          method_name = options.delete(:as) || default_fetcher_options[:as] || model_name.to_s49          finder = options.delete(:using) || default_fetcher_options[:using]50          from = options.delete(:from) || default_fetcher_options[:from]51          initializing = options.delete(:initialize) || default_fetcher_options[:initialize]52          initializing = model_name if initializing == true53          klass = self.respond_to?(:class_eval) ? self : self.metaclass54          fetchers[method_name.to_sym] = from55          initializing_fetchers[method_name.to_sym] = initializing56          57          klass.class_eval <<-EOS, __FILE__, __LINE__58            def #{method_name}59              if defined?(@#{method_name})60                @#{method_name}61              else62                fetcher = self.class.fetchers[:#{method_name}]63                from = fetcher.is_a?(Proc) ? fetcher.call(self) : params[fetcher]64                initializer = self.class.initializing_fetchers[:#{method_name}]65                @#{method_name} = #{model_name.to_s.classify}.#{finder.to_s}(from) if from66                @#{method_name} ||= #{model_name.to_s.classify}.new(initializer.is_a?(Proc) ? initializer.call(self) : params[initializer])  67              end68            end69          EOS70          helper_method method_name71        end72      end73    end74  end75end...

initialize

Using AI Code Generation

1fetcher.fetch("http://www.google.com")2fetcher.fetch("http://www.google.com")3fetcher.fetch("http://www.google.com")4fetcher.fetch("http://www.google.com")5fetcher.fetch("http://www.google.com")6fetcher.fetch("http://www.google.com")7fetcher.fetch("http://www.google.com")8fetcher.fetch("http://www.google.com")9fetcher.fetch("http://www.google.com")10fetcher.fetch("http://www.google.com")11fetcher.fetch("http://www.google.com")12fetcher.fetch("http://www.google.com")13fetcher.fetch("http://www.google.com")14fetcher.fetch("http://www.google.com")

initialize

Using AI Code Generation

1fetchers.fetch("http://www.google.com")2fetchers.fetch("http://www.yahoo.com")3fetchers.fetch("http://www.abcnews.com")4fetchers.fetch("http://www.google.com")5fetchers.fetch("http://www.yahoo.com")6fetchers.fetch("http://www.abcnews.com")7fetchers.fetch("http://www.google.com")8fetchers.fetch("http://www.yahoo.com")9fetchers.fetch("http://www.abcnews.com")10fetchers.fetch("http://www.google.com")11fetchers.fetch("http://www.yahoo.com")12fetchers.fetch("http://www.abcnews.com")13fetchers.fetch("http://www.google.com")14fetchers.fetch("http://www.yahoo.com")15fetchers.fetch("http://www.abcnews.com")16fetchers.fetch("http://www.google.com")17fetchers.fetch("http://www.yahoo.com")18fetchers.fetch("http://www.abcnews.com")19fetchers.fetch("http://www.google.com")20fetchers.fetch("http://www.yahoo.com")21fetchers.fetch("http://www.abcnews.com")22fetchers.fetch("http://www.google.com")23fetchers.fetch("http://www.yahoo.com")24fetchers.fetch("http://www.abcnews.com")25fetchers.fetch("http://www.google.com")26fetchers.fetch("http://www.yahoo.com")27fetchers.fetch("http://www.abcnews.com")

initialize

Using AI Code Generation

1fetcher.get("http://www.google.com", "google.html")2fetcher.get("http://www.yahoo.com", "yahoo.html")3fetcher = Fetchers.new("http://www.google.com", "google.html")4fetcher = Fetchers.new("http://www.google.com", "google.html")5fetcher.get("http://www.yahoo.com", "yahoo.html")

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