def get_arg_norest(self):
	if self.children:
	    raise SyntaxError, 'No children nodes expected in node: %s'%self
	return self.arg.strip()
Get a listing of the valid layer names.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/guppy-0.1.10/guppy/gsl/SpecNodes.py/SpecNode.get_arg_norest--crossover with--dataset/ETHPy150Open hydroshare/hydroshare2/ga_ows/views/wms/base.py/WMSAdapterBase.layerlist