text: from ObjectCollection import *
  from tclCommands.TclCommand import TclCommandSignaled
  
  
  class TclCommandOpenGCode(TclCommandSignaled):
      """
      Tcl shell command to open a G-Code file.
      """
  
      # array of all command aliases, to be able use  old names for
      # backward compatibility (add_poly, add_polygon)
      aliases = ['open_gcode']
  
      # Dictionary of types from Tcl command, needs to be ordered.
      # For positional arguments
      arg_names = collections.OrderedDict([
          ('filename', str)
      ])
  
      # Dictionary of types from Tcl command, needs to be ordered.
      # For options like -optionname value
      option_types = collections.OrderedDict([
          ('outname', str)
      ])
  
      # array of mandatory options for current Tcl command: required = {'name','outname'}
      required = ['filename']
  
      # structured help for current command, args needs to be ordered
      help = {
          'main': "Opens a G-Code file.",
          'args': collections.OrderedDict([
              ('filename', 'Path to file to open.'),
              ('outname', 'Name of the resulting CNCJob object.')
          ]),
          'examples': []
      }
  
      def execute(self, args, unnamed_args):
          """
          execute current TCL shell command
  
          :param args: array of known named arguments and options
          :param unnamed_args: array of other values which were passed into command
              without -somename and  we do not have them in known arg_names
          :return: None or exception
          """
  
          self.app.open_gcode(args['filename'], **args)
  