Class: GetThemAll::GraphBuilder

Inherits:
Extension show all
Defined in:
lib/get_them_all/extensions/graph_builder.rb

Overview

This extension will generate a textfile showing he hierarchy of the site which may be considered as a map.

Its main purpose as a debugging tool to have a better view of what was going on inside.

It was also capable of generating a dot file but this code is not up to date.

Defined Under Namespace

Classes: TreeNode

Instance Method Summary collapse

Methods inherited from Extension

#register_handler

Constructor Details

#initialize(path) ⇒ GraphBuilder

Returns a new instance of GraphBuilder.

Parameters:

  • path (String) —

    where the resulting file will be written.



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# File 'lib/get_them_all/extensions/graph_builder.rb', line 99

def initialize(path)
  @path = path

  register_handler('downloader.started') do |name, downloader|
    @graph = TreeNode.new("", downloader.base_url)
  end

  register_handler('downloader.completed') do |name, worker, downloader|
    @graph.dump_to_file(@path)
    # @graph.dump_to_dot_file(@path)
  end

  register_handler('action.download.success') do |name, worker, action|
    add_to_graph("D", action.url, action.parent_url)
  end

  register_handler('action.examine.success') do |name, worker, action, returned_actions|
    add_to_graph("E[ret:#{returned_actions.size}]", action.url, action.parent_url)
  end

  register_handler('action.examine.failure') do |name, worker, action, error_status|
    add_to_graph(error_status, action.url, action.referer)
  end

end