91 lines
2.3 KiB
Ruby
91 lines
2.3 KiB
Ruby
require 'anemone'
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require 'optparse'
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require 'ostruct'
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options = OpenStruct.new
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options.relative = false
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options.output_file = 'urls.txt'
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begin
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# make sure that the last argument is a URL we can crawl
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root = URI(ARGV.last)
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rescue
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puts <<-INFO
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Usage:
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anemone cron [options] <url>
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Synopsis:
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Combination of `count`, `pagedepth` and `url-list` commands.
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Performs pagedepth, url list, and count functionality.
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Outputs results to STDOUT and link list to file (urls.txt).
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Meant to be run daily as a cron job.
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Options:
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-r, --relative Output relative URLs (rather than absolute)
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-o, --output filename Filename to save URL list to. Defautls to urls.txt.
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INFO
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exit(0)
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end
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# parse command-line options
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opts = OptionParser.new
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opts.on('-r', '--relative') { options.relative = true }
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opts.on('-o', '--output filename') {|o| options.output_file = o }
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opts.parse!(ARGV)
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Anemone.crawl(root, {:discard_page_bodies => true}) do |anemone|
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anemone.after_crawl do |pages|
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puts "Crawl results for #{root}\n"
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# print a list of 404's
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not_found = []
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pages.each_value do |page|
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url = page.url.to_s
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not_found << url if page.not_found?
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end
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unless not_found.empty?
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puts "\n404's:"
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missing_links = pages.urls_linking_to(not_found)
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missing_links.each do |url, links|
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if options.relative
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puts URI(url).path.to_s
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else
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puts url
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end
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links.slice(0..10).each do |u|
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u = u.path if options.relative
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puts " linked from #{u}"
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end
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puts " ..." if links.size > 10
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end
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print "\n"
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end
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# remove redirect aliases, and calculate pagedepths
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pages = pages.shortest_paths!(root).uniq
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depths = pages.values.inject({}) do |depths, page|
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depths[page.depth] ||= 0
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depths[page.depth] += 1
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depths
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end
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# print the page count
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puts "Total pages: #{pages.size}\n"
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# print a list of depths
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depths.sort.each { |depth, count| puts "Depth: #{depth} Count: #{count}" }
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# output a list of urls to file
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file = open(options.output_file, 'w')
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pages.each_key do |url|
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url = options.relative ? url.path.to_s : url.to_s
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file.puts url
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end
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end
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end
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