B ›³ëb> ã@sfdZddlmZmZddlZdgZdZdZe dœdd „Z ddœd d „Z ee e e eefdœd d„Z dS) zÈVariable type for true/false Variables. Usage example:: opts = Variables() opts.Add(BoolVariable('embedded', 'build for an embedded system', 0)) ... if env['embedded'] == 1: ... é)ÚTupleÚCallableNÚ BoolVariable)ÚyZyesÚtrueÚtÚ1ZonÚall)ÚnZnoZfalseÚfÚ0ZoffZnone)ÚreturncCs0| ¡}|tkrdS|tkr dStd|ƒ‚dS)aLConverts strings to True/False. If *val* looks like it expresses a bool-like value, based on the :data:`TRUE_STRINGS` and :data:`FALSE_STRINGS` tuples, return the appropriate value. This is usable as a converter function for SCons Variables. Raises: ValueError: if the string cannot be converted. TFz$Invalid value for boolean option: %sN)ÚlowerÚ TRUE_STRINGSÚ FALSE_STRINGSÚ ValueError)ÚvalZlval©rú;lib/python3.7/site-packages/SCons/Variables/BoolVariable.pyÚ _text2bool-s rcCs(||dkr$tj d|||f¡‚dS)zàValidates the given value to be either true or false. This is usable as a validator function for SCons Variables. Raises: KeyError: if key is not set in env UserError: if key does not validate. )TFz'Invalid value for boolean option %s: %sN)ÚSConsZErrorsZ UserError)ÚkeyrÚenvrrrÚ _validatorBs rcCsd|}|||ttfS)a>Return a tuple describing a boolean SCons Variable. The input parameters describe a boolean option. Returns a tuple including the correct converter and validator. The *help* text will have ``(yes|no)`` automatically appended to show the valid values. The result is usable as input to :meth:`Add`. z %s (yes|no))rr)rÚhelpÚdefaultrrrrQs)Ú__doc__ÚtypingrrZ SCons.ErrorsrÚ__all__rrÚboolrrÚstrrrrrrÚ!s