def __init__(self, str=None, hashfunc=None):
        self.str = str
        if hashfunc:
           self.hashfunc = hashfunc
Constructs a shader from a given dataset
dataset/ETHPy150Open radlab/sparrow/deploy/third_party/boto-2.1.1/boto/utils.py/Password.__init__--crossover with--dataset/ETHPy150Open tobspr/RenderPipeline/rpcore/effect.py/Effect._construct_shader_from_data