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._scraper_lib_shibuya.gistname

scraper_lib_shibuya

.gitignore

vendor
.bundle

Gemfile

# A sample Gemfile
source "https://rubygems.org"

# gem "rails"

gem "nokogiri"
gem "mechanize"

Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    domain_name (0.5.25)
      unf (>= 0.0.5, < 1.0.0)
    http-cookie (1.0.2)
      domain_name (~> 0.5)
    mechanize (2.7.3)
      domain_name (~> 0.5, >= 0.5.1)
      http-cookie (~> 1.0)
      mime-types (~> 2.0)
      net-http-digest_auth (~> 1.1, >= 1.1.1)
      net-http-persistent (~> 2.5, >= 2.5.2)
      nokogiri (~> 1.4)
      ntlm-http (~> 0.1, >= 0.1.1)
      webrobots (>= 0.0.9, < 0.2)
    mime-types (2.6.2)
    mini_portile (0.6.2)
    net-http-digest_auth (1.4)
    net-http-persistent (2.9.4)
    nokogiri (1.6.6.2)
      mini_portile (~> 0.6.0)
    ntlm-http (0.1.1)
    unf (0.1.4)
      unf_ext
    unf_ext (0.0.7.1)
    webrobots (0.1.1)

PLATFORMS
  ruby

DEPENDENCIES
  mechanize
  nokogiri

scraper.rb

# coding: utf-8
require 'mechanize'
require 'optparse'

params = ARGV.getopts('', 'rid:', 'password:')

client = Mechanize.new
url = "https://www.lib.city.shibuya.tokyo.jp/asp/WwJouNinshou.aspx"

page = client.get(url)
# p page.title
form = page.form_with(name: "Form1")

post_params = {
  btnKakunin: "確　　認",
  inpMel: form.field_with(name: "inpMel").value,
  txtPassword: params["password"],
  txtRiyoshaCD: params["rid"],
  __EVENTVALIDATION: form.field_with(name: "__EVENTVALIDATION").value,
  __VIEWSTATE: form.field_with(name: "__VIEWSTATE").value
}

redirect_page = client.post('https://www.lib.city.shibuya.tokyo.jp/asp/WwJouNinshou.aspx', post_params)

# p redirect_page.title

result = []
doc = Nokogiri::HTML(redirect_page.body)
if !(doc.css('table#dgdKas')[0]) then
    puts "しばらく時間をおいてから試してください"
    exit
end
doc.css('table#dgdKas')[0].children.each do |element|
  if (element.children[2])
    result << element.children[2].children[0].children.inner_text.strip
  end
end

puts result.join("\n")

scraper_taito.rb

# coding: utf-8
require 'mechanize'
require 'optparse'

params = ARGV.getopts('', 'rid:', 'password:')
results = []

client = Mechanize.new
client.follow_meta_refresh = true
client.redirect_ok = true
client.user_agent_alias = 'Mac Safari'
url = 'https://www.taitocity.net/taito-opac/index.jsp'

page = client.get(url)
# p page.title
form = page.form_with(name: "LOGIN")

redirect_page = nil;
client.page.form_with(:name => 'LOGIN'){|form|
  # name が q な入力欄を探す
  form.field_with(:name => 'USERID'){|field|
    field.value = params['rid']
  }
  form.field_with(name: 'PASSWORD') {|field|
    field.value = params['password']
  }
  # フォームに submit ボタンがあれば「押」して送信
  redirect_page = form.click_button
}
# p redirect_page.title
redirect_page = client.get("https://www.taitocity.net/taito-opac/OPP1000")
doc = Nokogiri::HTML(redirect_page.body)
doc.css('body > table:nth-child(5) > tr:nth-child(1) > td:nth-child(1) > table:nth-child(1) > tr:nth-child(2) > td:nth-child(1) > form:nth-child(2) > table:nth-child(4) > tr:nth-child(1) > td:nth-child(1) > table:nth-child(1)')
    .search('tr').each do |d|
   results << d.search('td')[4].text.strip
end

puts results.drop(1).join("\n")

How to use

$ gem install bundler 
$ bundle install --path vendor/bundle
$ bundle exec ruby scraper.rb --rid YOUR_NINSYO_CD --password YOUR_PASSWORD