def fromPy(cls, val, typeObj, vldMask=None):
        """
        :param val: python string or None
        :param typeObj: instance of String HdlType
        :param vldMask: if is None validity is resolved from val
            if is 0 value is invalidated
            if is 1 value has to be valid
        """
        assert isinstance(val, str) or val is None
        vld = 0 if val is None else 1
        if not vld:
            assert vldMask is None or vldMask == 0
            val = ""
        else:
            if vldMask == 0:
                val = ""
                vld = 0

        return cls(val, typeObj, vld)
def fromPy(cls, val, typeObj, vldMask=None):
        """
        :param val: python string or None
        :param typeObj: instance of String HdlType
        :param vldMask: if is None validity is resolved from val
            if is 0 value is invalidated
            if is 1 value has to be valid
        """
        assert isinstance(val, str) or val is None
        vld = 0 if val is None else 1
        if not vld:
            assert vldMask is None or vldMask == 0
            val = ""
        else:
            if vldMask == 0:
                val = ""
                vld = 0

        return cls(val, typeObj, vld)
def fromPy ( cls , val , typeObj , vldMask = None ) : assert isinstance ( val , str ) or val is None vld = 0 if val is None else 1 if not vld : assert vldMask is None or vldMask == 0 val = "" else : if vldMask == 0 : val = "" vld = 0 return cls ( val , typeObj , vld )
:param val: python string or None
        :param typeObj: instance of String HdlType
        :param vldMask: if is None validity is resolved from val
            if is 0 value is invalidated
            if is 1 value has to be valid
: param val : python string or None : param typeObj : instance of String HdlType : param vldMask : if is None validity is resolved from val if is 0 value is invalidated if is 1 value has to be valid