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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,25 +1,151 @@ | ||
| # This is a template for a Ruby scraper on morph.io (https://morph.io) | ||
| # including some code snippets below that you should find helpful | ||
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| # require 'scraperwiki' | ||
| # require 'mechanize' | ||
| # | ||
| # agent = Mechanize.new | ||
| # | ||
| # # Read in a page | ||
| # page = agent.get("http://foo.com") | ||
| # | ||
| # # Find somehing on the page using css selectors | ||
| # p page.at('div.content') | ||
| # | ||
| # # Write out to the sqlite database using scraperwiki library | ||
| # ScraperWiki.save_sqlite(["name"], {"name" => "susan", "occupation" => "software developer"}) | ||
| # | ||
| # # An arbitrary query against the database | ||
| # ScraperWiki.select("* from data where 'name'='peter'") | ||
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| # You don't have to do things with the Mechanize or ScraperWiki libraries. | ||
| # You can use whatever gems you want: https://morph.io/documentation/ruby | ||
| # All that matters is that your final data is written to an SQLite database | ||
| # called "data.sqlite" in the current working directory which has at least a table | ||
| # called "data". | ||
| require 'scraperwiki' | ||
| require 'mechanize' | ||
| require 'addressable/uri' | ||
| require 'date' | ||
| require 'json' | ||
| require 'digest/sha1' | ||
| require 'active_support/core_ext/hash/slice' | ||
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| LIST_URL = 'https://www.bmi.bund.de/SiteGlobals/Forms/suche/gesetzgebungsverfahren-formular.html' | ||
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| m = Mechanize.new | ||
| mp = m.get(LIST_URL) | ||
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| BASE = mp.bases.first.href | ||
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| results = [] | ||
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| loop do | ||
| result_items = mp.css('.c-search-teaser.Law') | ||
| result_items.each do |row| | ||
| link = row.css('.c-search-teaser__h a').first | ||
| title = link.text.strip | ||
| path = link.attributes['href'] | ||
| url = Addressable::URI.join(BASE, path).normalize.to_s | ||
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| x = { | ||
| title: title, | ||
| overview: url | ||
| } | ||
| results << x | ||
| end | ||
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| link = mp.at_css('.navIndex .forward a') | ||
| break if link.nil? | ||
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| path = link.attributes['href'] | ||
| url = Addressable::URI.join(BASE, path).normalize.to_s | ||
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| mp = m.get url | ||
| end | ||
|
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| # Phase 2: scrape detail pages | ||
| headline2key = { | ||
| 'Referentenentwurf' => :draft, | ||
| 'Verbandsstellungnahme' => :statement, | ||
| 'Verbändestellungnahmen' => :statement, | ||
| 'Stellungnahmen' => :statement | ||
| } | ||
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| def link_object(link) | ||
| title = link.text.strip | ||
| path = link.attributes['href'].to_s.strip | ||
| linkobj(title, Addressable::URI.join(BASE, path).normalize.to_s) | ||
| end | ||
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| def linkobj(title, uri) | ||
| uri = Addressable::URI.parse(uri).normalize | ||
| url = uri.to_s | ||
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| filename = "#{Digest::SHA256.hexdigest(url)[0...8]}_#{uri.basename.to_s}" | ||
|
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| { | ||
| title: title, | ||
| url: url, | ||
| filename: filename | ||
| } | ||
| end | ||
|
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| results.each do |row| | ||
| mp = m.get row[:overview] | ||
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| headline = mp.at_css('.c-content-stage__headline') | ||
| row[:title] = headline.text.strip | ||
| row[:law] = [] | ||
|
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| linked = mp.css('.c-more__link') | ||
| linked.each do |link| | ||
| path = link.attributes['href'].to_s.strip | ||
| if path.include?('bgbl.de') | ||
| begin | ||
| title = link.text.strip | ||
| uri = Addressable::URI.join(path).normalize | ||
| query = uri.normalized_query | ||
| if query.include?('&jumpTo=') | ||
| jumpTo = query.match(/jumpTo=(.+?)(?:&|$)/)[1] | ||
| start = "%2F%2F%2A%5B%40attr_id%3D%27#{jumpTo}%27%5D" | ||
| else | ||
| start = query.match(/start=(.+?)(?:&|$)/)[1] | ||
| end | ||
| bgbluri = Addressable::URI.parse("https://www.bgbl.de/xaver/bgbl/text.xav?skin=pdf&start=#{start}").normalize.to_s | ||
| m.get(uri) # unlock session | ||
| bgblpage = m.get(bgbluri) | ||
| fakeimg = bgblpage.at_css('.xaver-PDF img') | ||
| pdfurl = fakeimg.attributes['src'] | ||
| pdf = m.get(pdfurl) | ||
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| a = linkobj(title, pdf.uri.to_s) | ||
| a[:source] = bgbluri | ||
| row[:law] << a | ||
| rescue | ||
| row[:law] << link_object(link) | ||
| end | ||
| else | ||
| row[:law] << link_object(link) | ||
| end | ||
| end | ||
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| container = mp.at_css('.c-content-linklist__wrapper.row') | ||
| container.css('h3').each do |headline| | ||
| title = headline.text.strip | ||
| key = headline2key[title] | ||
| next if key.nil? | ||
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| row[key] = [] | ||
|
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| links = headline.next_element.css('a') | ||
| links.each do |link| | ||
| row[key] << link_object(link) | ||
| end | ||
| end | ||
| end | ||
|
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| # link buzer | ||
| results.each do |row| | ||
| row[:law].each do |law| | ||
| buzer_uri = nil | ||
| if law[:url].include?('bgbl.de') | ||
| um = law[:url].match(/\/bgbl[12](\d+)s(\d+)_(?:\d+).pdf$/) | ||
| next if um.nil? | ||
| buzer_uri = "https://www.buzer.de/s1.htm?a=&g=20#{um[1]}+#{um[2]}" | ||
| else | ||
| buzer_uri = Addressable::URI.parse("https://www.buzer.de/s1.htm?a=&g=#{row[:title]}").normalize.to_s | ||
| next | ||
| end | ||
| next if buzer_uri.nil? | ||
| law[:buzer] = buzer_uri | ||
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| page = m.get(buzer_uri) | ||
| link = page.at_css('div.g a[href$="l.htm"]') | ||
| next if link.nil? | ||
| law[:buzer_diff] = link.attributes['href'].to_s.strip | ||
| end | ||
| end | ||
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| results.each do |row| | ||
| key = row[:title].downcase.gsub(/[\s.\/_]/, ' ').squeeze(' ').strip.gsub(/[^\w-]/, '').tr(' ', '-') | ||
| ScraperWiki.save_sqlite([:key], row.slice(:title, :overview).merge({key: key})) | ||
| ScraperWiki.save_sqlite([:key], row[:law].map { |o| o.merge({ key: key }) }, 'law') unless row[:law].nil? | ||
| ScraperWiki.save_sqlite([:key], row[:draft].map { |o| o.merge({ key: key }) }, 'draft') unless row[:draft].nil? | ||
| ScraperWiki.save_sqlite([:key], row[:statement].map { |o| o.merge({ key: key }) }, 'statement') unless row[:statement].nil? | ||
| end |