gistfile1.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'cloudfiles'
require 'paperclip'

# turn off paperclip logging because they use ActiveRecord
Paperclip.options[:log] = false

container = 'assets-test'
credentials = {:username => 'username', :api_key => '1234567890123456789'}
file_list = Dir["#{ARGV[0].sub(/\/+\Z/, '')}/**/*"]

ATTACHEMENTS = {

  "product_images" => {
    :smallest     => {:geometry => "27x26#"},
    :extra_small  => {:geometry => "46x46#"},
    :small        => {:geometry => "85x85"},
    :extra_medium => {:geometry => "224x150#"},
    :medium       => {:geometry => "320x240#"},
    :big          => {:geometry => "575x387>"}
  },

  "customize/appearances" => {
    :small =>  {:geometry => "27x26", :format => :png}
  },

  "generic_images" => {
    :medium => {:geometry => "300x300>"},
    :thumb  => {:geometry => "100x100>"},
    :big    => {:geometry => "954x308#"},
    :small  => {:geometry => "85x85#"}
  },

  "customers/avatars" => {
    :small => {:geometry => "34x34#"},
    :thumb => {:geometry => "58x58#"},
    :normal => {:geometry => "116x116#"},
    :medium => {:geometry => "116x116#"}
  },

  "image_versions" => {
    :small =>  {:geometry => "27x26", :format => :png},
    :medium => {:geometry => "320x240>", :format => :png},
    :big =>    {:geometry => "575x387>", :format => :png}
  },

  "media" => {
    :small_thumb => {:geometry => "50x50", :format => :jpg},
    :medium_thumb => {:geometry => "100x100", :format => :jpg},
    :large_thumb => {:geometry => "370x370", :format => :jpg},
    :detail_preview => {:geometry => "450x338", :format => :jpg}
  }
}

$stderr.print("connecting to cloudfiles... ")
connection = CloudFiles::Connection.new(credentials)
$stderr.puts("OK")

def connection.upload_files(container, file_list)
  $stderr.print("opening container '#{container}'... ")
  container = self.container(container)
  $stderr.puts("OK")
  file_list.each do |file_name|
    next unless File.file?(file_name)
    # check to image attachment
    if (file_name =~ /system\/images\/printer/) and !(file_name =~ /\/(media_thumbs)|(logos)|(label_images)\//)
      # skip if from attchment and not original
      next unless file_name =~ /\/original\//
      # get styles by name
      attachment_type = file_name.match(/printer\/([a-z_\/]*)\/\d*/)[1] rescue $stderr.puts("Can`t parse filename to find attachment type.")
      unless ATTACHEMENTS[attachment_type]
        $stderr.puts("Don`t know attachment for '#{attachment_type}'")
        next
      end

      # crop, resize and upload
      original_file = File.open(file_name, "r")
      $stderr.puts("Found paperclip original file. #{file_name}")
      ATTACHEMENTS[attachment_type].each do |name, options|
        cropped_file = Paperclip::Thumbnail.new(original_file, options).make
        cropped_name = file_name.gsub(/\/original\//, "/#{name}/")
        # change extension in image name if option[:format] exists
        cropped_name.sub!(/[a-zA-Z]*$/, options[:format].to_s) if options[:format]
        $stderr.print("\t#{name.to_s.upcase}:\tcreate object #{cropped_name}\t")
        object = container.create_object(cropped_name)
        $stderr.print("OK\tupload... ")
        object.write(cropped_file)
        $stderr.puts("OK")
      end
      # upload original
      $stderr.print("\tORIG:\tcreate object #{file_name}\t")
      object = container.create_object(file_name)
      $stderr.print("OK\tupload... ")
      object.write(original_file)
      $stderr.print("OK\n\n")
      original_file.close

    else
      $stderr.print("create object #{file_name}... ")
      object = container.create_object(file_name)
      $stderr.print("OK\tupload... ")
      File.open(file_name, 'r') do |file|
         object.write(file)
      end
      $stderr.puts("OK")
    end
  end
end

connection.upload_files(container, file_list)