class DNN::Downloader
Public Class Methods
download(url, dir_path = nil)
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# File lib/dnn/datasets/downloader.rb, line 9 def self.download(url, dir_path = nil) unless dir_path Dir.mkdir("#{DOWNLOADS_PATH}/downloads") unless Dir.exist?("#{DOWNLOADS_PATH}/downloads") dir_path = "#{DOWNLOADS_PATH}/downloads" end Downloader.new(url).download(dir_path) rescue => e raise DNN_DownloadError.new(e.message) end
new(url)
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# File lib/dnn/datasets/downloader.rb, line 19 def initialize(url) @url = url *, @fqdn, @path = *url.match(%r`https?://(.+?)(/.+)`) end
Public Instance Methods
download(dir_path)
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# File lib/dnn/datasets/downloader.rb, line 24 def download(dir_path) puts %`download "#{@url}"` buf = "" Net::HTTP.start(@fqdn) do |http| content_length = http.head(@path).content_length http.get(@path) do |body_segment| buf << body_segment log = "\r" 40.times do |i| if i < buf.size * 40 / content_length log << "=" elsif i == buf.size * 40 / content_length log << ">" else log << "_" end end log << " #{buf.size}/#{content_length}" print log end puts "" end file_name = @path.match(%r`.*/(.+)`)[1] File.binwrite("#{dir_path}/#{file_name}", buf) end