def assemble_option_dict(option_list, options_spec):
 options = {}
 for (name, value) in option_list:
  convertor = options_spec[name]
  if (convertor is None):
   raise KeyError(name)
  if (name in options):
   raise DuplicateOptionError(('duplicate option "%s"' % name))
  try:
   options[name] = convertor(value)
  except (ValueError, TypeError) as detail:
   raise detail.__class__(('(option: "%s"; value: %r)\n%s' % (name, value, ' '.join(detail.args))))
 return options

def assemble_option_dict ( option_list , options_spec ) : options = { } for ( name , value ) in option_list : convertor = options_spec [ name ] if ( convertor is None ) : raise KeyError ( name ) if ( name in options ) : raise DuplicateOptionError ( ( 'duplicate option "%s"' % name ) ) try : options [ name ] = convertor ( value ) except ( ValueError , TypeError ) as detail : raise detail . __class__ ( ( '(option: "%s"; value: %r)\n%s' % ( name , value , ' ' . join ( detail . args ) ) ) ) return options
return a mapping of option names to values .