Module: Scrapers::RubyTapas

Defined in:
lib/scrapers/rubytapas.rb

Class Method Summary collapse

Class Method Details

.login(m, url, user, pw) ⇒ Object 



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# File 'lib/scrapers/rubytapas.rb', line 74

def self.(m, url, user, pw)
  # First time, we will get redirected to the login page
  m.get url
  m.current_page.form.field_with(:name => "username").value = user
  m.current_page.form.field_with(:name => "password").value = pw
  m.current_page.form.submit

  # Second time, we should land on episode page
  m.get url
  raise "Not where I expected. #{m.current_page.uri} is not #{url}" unless m.current_page.uri != url
  m
end

.scrape(url = nil, user = nil, pw = nil, dest = ".") ⇒ Object

Save the post and attachments from an episode of RubyTapas in a directory determined from the episode title.

Example:

episode url: "https://rubytapas.dpdcart.com/subscriber/post?id=443"
title: "177 Aliasing | RubyTapas"
subdirectory: /177-aliasing

Parameters:

  • url - url of the episode to download

  • user - username used to log into dpdcart

  • pw - password used with username

  • dest - destination directory to put episode subdirectory



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# File 'lib/scrapers/rubytapas.rb', line 27

def scrape(url=nil, user=nil, pw=nil, dest=".")
  raise "Must give user and password for RubyTapas downloads" if user.to_s.empty? or pw.to_s.empty?
  dest = File.realdirpath(dest)
  raise "Destination #{dest} must be a writeable directory" unless File.directory?(dest) and File.writable?(dest)

  Mechanize.start do |m|

    tapas = OpenStruct.new

    m = self.(m, url, user, pw)

    m.current_page.tap do |page|
      tapas.title = page.title.strip
      tapas.episode_dir = File.join(dest,tapas.title.split("|").first.strip.downcase.gsub(%r{[^[:alnum:][:space:]]},' ').gsub(%r{[[:space:]]+},'-'))
      tapas.attachments = page.links_with(:href => %r{\bdownload\b})
      puts "Fetching and saving #{tapas.title} into #{tapas.episode_dir}"
      FileUtils.mkdir(tapas.episode_dir)
      Dir.chdir(tapas.episode_dir) do |dir|
        tapas.attachments.each do |att|
          puts "fetching #{att.text}"
          file = att.click
          puts "saving #{file.filename}"
          file.save
        end
      end
    end
    
    tapas
    
  end
end

.showlist(showlist_url, user = nil, pw = nil) ⇒ Object

retrieve a list of URLs for shows from the showlist



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# File 'lib/scrapers/rubytapas.rb', line 60

def self.showlist(showlist_url, user=nil, pw=nil)
  raise "Must give showlist url, user, and password" if showlist_url.to_s.empty? || user.to_s.empty? || pw.to_s.empty?

  Mechanize.start do |m|
    m = self.(m, showlist_url, user, pw)
    links = m.current_page.links_with(:text => "Read More")
    s = URI.parse(showlist_url)
    s.path = ''
    links.map{|l| "#{s}#{l.href}" }
  end

  
end