Class: Datasets::LivedoorNews

Inherits:
Dataset
  • Object
show all
Includes:
TarGzReadable
Defined in:
lib/datasets/livedoor-news.rb

Defined Under Namespace

Classes: Record

Instance Attribute Summary

Attributes inherited from Dataset

#metadata

Instance Method Summary collapse

Methods included from TarGzReadable

#open_tar_gz

Methods inherited from Dataset

#clear_cache!, #to_table

Constructor Details

#initialize(type: :topic_news) ⇒ LivedoorNews

Returns a new instance of LivedoorNews.



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# File 'lib/datasets/livedoor-news.rb', line 11

def initialize(type: :topic_news)
  news_list = [
    :topic_news,
    :sports_watch,
    :it_life_hack,
    :kaden_channel,
    :movie_enter,
    :dokujo_tsushin,
    :smax,
    :livedoor_homme,
    :peachy
  ]
  unless news_list.include?(type)
    valid_type_labels = news_list.collect(&:inspect).join(", ")
    message = ":type must be one of [#{valid_type_labels}]: #{type.inspect}"
    raise ArgumentError, message
  end

  super()
  @type = type
  @metadata.id = 'livedoor-news'
  @metadata.name = 'livedoor-news'
  @metadata.url = 'https://www.rondhuit.com/download.html#ldcc'
  @metadata.licenses = ['CC-BY-ND-2.1-JP']
  @metadata.description = lambda do
    fetch_readme
  end
end

Instance Method Details

#each(&block) ⇒ Object 



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# File 'lib/datasets/livedoor-news.rb', line 40

def each(&block)
  return to_enum(__method__) unless block_given?

  data_path = download_tar_gz
  parse_data(data_path, &block)
end