hets.rb revision 574a02d837d442144fe066284dfed20e43a42053
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning muellermodule Hets
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller class HetsError < Exception; end
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller class Config
2b056a2f5c950d0b5aec8f3f08d1050c408d73a2henning mueller attr_reader :path
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller def initialize
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller yaml = YAML.load_file(File.join(Rails.root, 'config', 'hets.yml'))
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller @path = first_which_exists yaml['hets_path']
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
e062724b7bdbbe8c1ddfbc7f3bb5bdb6e129d82cDaniel Vale raise HetsError, 'Could not find hets' unless @path
e062724b7bdbbe8c1ddfbc7f3bb5bdb6e129d82cDaniel Vale
e062724b7bdbbe8c1ddfbc7f3bb5bdb6e129d82cDaniel Vale version = `#{@path} -V`
e062724b7bdbbe8c1ddfbc7f3bb5bdb6e129d82cDaniel Vale raise ArgumentError, "Your version of hets is too old" if version.include?("2011")
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller yaml.each_pair do |key, value|
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller ENV[key.upcase] = first_which_exists value if key != 'hets_path'
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller end
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller end
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller private
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller def first_which_exists(array)
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller array.each do |path|
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller path = File.expand_path path
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller return path if File.exists? path
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller end
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller nil
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller end
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller end
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller # Runs hets with input_file and returns XML output file path.
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller def self.parse(input_file, output_path = '')
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller config = Config.new
e062724b7bdbbe8c1ddfbc7f3bb5bdb6e129d82cDaniel Vale
c34ca181e48d016718223de38106fdfbe8ffc65aDaniel Couto Vale output_path = "-O \"#{output_path}\"" unless output_path.blank?
7ea9649883e1bbe8f2582db1a3c66af8b7206056henning mueller
c34ca181e48d016718223de38106fdfbe8ffc65aDaniel Couto Vale command = "#{config.path} -o xml -v2 #{output_path} '#{input_file}' 2>&1"
0772cf7b22adf46dbab68e829d6a2cd8e8d1bc2ahenning mueller
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller Rails.logger.debug command
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
7ea9649883e1bbe8f2582db1a3c66af8b7206056henning mueller # nice runs the process with lower scheduling priority
7ea9649883e1bbe8f2582db1a3c66af8b7206056henning mueller status = `nice #{command}`
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller status = status.split("\n").last
58721b9d3a8cd6a624269ddf507f80af4417c9bdhenning mueller
Rails.logger.debug status
if $?.exitstatus != 0 or status.starts_with? '*** Error'
raise HetsError.new(status)
end
status.split(': ').last
end
end