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[Ruby]はてブ過去ホッテントリをスクレイピングして、Railsで使っているDBに入れる。殴り書き。
はてなの旧レイアウト(~20130107)用なので、このままでは動かない
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require 'rubygems' | |
require 'nokogiri' | |
require 'open-uri' | |
require 'railsDirectory\config\boot' | |
require 'railsDirectory\config\environment' | |
def scrapeHotEntry(date) | |
puts "scraping... >> " + date.to_s | |
hotEntryUrl = "http://b.hatena.ne.jp/hotentry/" + date.to_s.delete("-") | |
hotEntryHtml = Nokogiri::HTML(open(hotEntryUrl), nil, 'UTF-8') | |
hotEntryHtml.search('//li[@class="track-click-entry"]/div[@class="entry-body"]').each do |doc| | |
entry = Entry.new | |
entry.date = date | |
entry.title = doc.search('h3/a/@title').text | |
entry.url = doc.search('h3/a/@href').text | |
entry.count = doc.search('ul[@class="entry-info"]/li[@class="users"]//a').text | |
entry.category = doc.search('ul[@class="entry-info"]/li[@class="category"]//a').text | |
tags = doc.search('ul[@class="entry-info"]/li[@class="tags"]') | |
entry.tag1 = tags.search('a[1]').text | |
entry.tag2 = tags.search('a[2]').text | |
entry.tag3 = tags.search('a[3]').text | |
entry.tag4 = tags.search('a[4]').text | |
entry.tag5 = tags.search('a[5]').text | |
entry.save | |
end | |
end | |
puts 'Start!' | |
# YAML読み込んで、railsのDBと接続 | |
dbconfig = YAML.load_file('railsDirectory\hoge\config\database.yml')['development'] | |
ActiveRecord::Base.establish_connection(dbconfig) | |
# 一旦、全レコード削除 | |
Entry.delete_all | |
#スクレイピング対象の期間を指定 | |
first = Date::new(2012,12,01) | |
last = Date::new(2012,12,01) | |
#スクレイピング & DB保存処理 | |
for d in first .. last do | |
scrapeHotEntry d | |
end | |
#終了 | |
puts 'Success!' |
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