caffe Custom Python Layers Passing parameters to the layer
Example
You can define the layer parameters in the prototxt by using param_str. Once you've done it, here is an example on how you access these paremeters inside the layer class:
def setup(self, bottom, top):
params = eval(self.param_str)
param1 = params["param1"]
param2 = params.get('param2', False) #I usually use this when fetching a bool
param3 = params["param3"]
#Continue with the setup
# ...
