<commit_before><commit_msg>Created CachedDataSource<commit_after>require 'daybreak'
require 'phisher/data_source'

class CachedDataSource < DataSource

  attr_reader :cache

  def initialize(store_location)
    @cache = Daybreak::DB.new store_location
    at_exit { @cache.close }
  end

  def get(url)
    cleaned_url = clean(url)
    if @cache.include? cleaned_url
      return @cache[cleaned_url]
    else
      fetched = fetch(cleaned_url)
      return @cache.set! cleaned_url, fetched
    end
  end

  def fetch(url)
    raise "Unimplemented method fetch(url)"
  end
end
{'fraction_non_alphanumeric': 0.08347826086956522, 'fraction_numerical': 0.0, 'mean_word_length': 3.8, 'pattern_counts': {'":': 0, '<': 4, '<?xml version=': 0, '>': 3, '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': '3251', 'n_tokens_mistral': 189, 'n_tokens_neox': 185, 'n_words': 44}