fix github projects recipe

Author: dmitry

recipes/github_projects.rb

@@ -1,20 +1,23 @@
 # encoding: utf-8
 
 # Instructions: 
-# The README pages for this recipe are scraped from https://github.com/danchoi/kindlefodder/wiki/Github-READMEs-and-pages-for-the-GitHub-project-docs-recipe
-# You can edit that wiki page
+# The README pages for this recipe are scraped from
+# https://github.com/danchoi/kindlefodder/wiki/Github-READMEs-and-pages-for-the-GitHub-project-docs-recipe
+# You can edit that wiki page, add more popular repositories that you would like to scrape
+# and generate into a mobi format
 
 require 'kindlefodder'
 
 class GithubProjects < Kindlefodder
-
-  WIKIPAGE = "https://github.com/danchoi/kindlefodder/wiki/Github-READMEs-for-the-github_projects.rb-recipe"
+  WIKIPAGE = 'https://github.com/danchoi/kindlefodder/wiki/Github-READMEs-for-the-github_projects.rb-recipe'
 
   def get_source_files
-    @urls = Nokogiri::HTML(`curl -Ls "#{WIKIPAGE}"`).search("#wiki-body h2").inject({}) {|m, h2|
-      m[h2.inner_text] = h2.xpath("./following-sibling::ul[1]/li").map {|li| li.inner_text}
-      m
-    }
+    @urls = Nokogiri::HTML(`curl -Ls "#{WIKIPAGE}"`).
+      search("#wiki-body h2").
+      inject({}) do |m, h2|
+        m[h2.inner_text] = h2.xpath("./following-sibling::ul[1]/li").map { |li| li.inner_text }
+        m
+    end
     puts @urls.to_yaml
     sections = extract_sections
     puts sections.inspect
@@ -31,33 +34,34 @@ def document
   end
 
   def extract_sections
-    sections = @urls.map { |(title, urls)|
-      { title: title,
-        articles: urls.map {|url|
+    @urls.map do |(title, urls)|
+      {
+        title: title,
+        articles: urls.map do |url|
           html = run_shell_command("curl -s #{url}")
-          html = html.force_encoding('utf-8')
-          doc = Nokogiri::HTML html
-          title = doc.at('title').inner_text.sub(/ - GitHub$/,'') 
+          html = html.force_encoding(Encoding::UTF_8)
+          doc = Nokogiri::HTML(html)
+          title = doc.at('title').inner_text.match(/([^ ]+)/)[0]
           $stderr.puts title
           readme = doc.at('#readme') || doc.at('#wiki-wrapper')
-          { 
+          {
             title: title,
             path: save_article_and_return_path(readme, title)
           }
-        }
+        end
       }
-    }
+    end
   end
 
-  def fixup_html! doc
+  def fixup_html!(doc)
     # stub this out because it causes encoding issues with UTF characters like em-dash
     # (investigate this later)
   end
 
   def save_article_and_return_path readme, title
-    path = "articles/" + title.gsub(/\W/, '-')
+    path = "articles/#{title.gsub(/\W/, '-')}"
     content = readme.inner_html
-    File.open("#{output_dir}/#{path}", 'w') {|f| f.puts content}
+    File.open("#{output_dir}/#{path}", 'w') { |f| f.puts(content) }
     path
   end
 end