Class: Quadtone::Tools::AddPrinter

Inherits:
Quadtone::Tool show all
Defined in:
lib/quadtone/tools/add_printer.rb

Instance Attribute Summary

Attributes inherited from Quadtone::Tool

#profile, #verbose

Instance Method Summary collapse

Methods inherited from Quadtone::Tool

#parse_global_option, #parse_option, process_args, #process_environment

Instance Method Details

#load_profile ⇒ Object 



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# File 'lib/quadtone/tools/add_printer.rb', line 7

def load_profile
  false
end

#run(printer) ⇒ Object 



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# File 'lib/quadtone/tools/add_printer.rb', line 11

def run(printer)

  #FIXME: move this into Printer class

  unless %x{lpstat -v #{printer} 2>/dev/null}.empty?
    raise ToolUsageError, "Printer #{printer.inspect} already exists"
  end

  curves_dir          = Path.new('/Library/Printers/QTR/quadtone') / printer
  ppds_dir            = Path.new('/Library/Printers/PPDs/Contents/Resources')
  cups_serverbin_dir  = Path.new(%x{cups-config --serverbin}.chomp)
  cups_backend_usb_tool = cups_serverbin_dir / 'backend' / 'usb'

  model = printer.split(/[-_=]/).first
  model_ppd = "#{model}.ppd.gz"
  ppd_file = ppds_dir / model_ppd

  raise "QuadToneRIP does not support printer model #{model.inspect}" unless ppd_file.exist?

  uri = loc = nil

  File.popen(cups_backend_usb_tool.to_s).readlines.each do |line|
    #FIXME: Too fragile -- use 'lpinfo' to find all printers
    if line =~ /(usb:.*EPSON.*#{Regexp.escape(model.sub(/^Quad/, ''))})/
      uri = $1
      loc = "USB Printer"
      break
    end
  end

  if uri.nil?
    loop do
      print "Enter IP address of IPP printer, or <return> to cancel: "
      ipp = STDIN.gets.chomp
      if ipp.empty?
        warn "Install cancelled."
        return
      end
      if ipp =~ /^\d+\.\d+\.\d+\.\d+$/
        uri = "lpd://#{ipp}"
        loc = "Network Printer IPP = #{ipp}"
        break
      end
      warn "Invalid IPP number: #{ipp.inspect}"
    end
  end

  warn "Creating printer #{printer.inspect}"
  system('lpadmin',
    '-p', printer,
    '-E',
    '-m', model_ppd,
    '-L', loc,
    '-v', uri)
  raise "Failed to create printer" unless $? == 0

  curves_dir.mkpath
end