chainer_mlp.jl

@pydef mutable struct MLP <: Chain
    function __init__(self, n_mid_units=100, n_out=10)
        pybuiltin(:super)(MLP, self)[:__init__]()
        @pywith self.init_scope() begin
            self.l1 = L.Linear(py"None", n_mid_units)
            self.l2 = L.Linear(py"None", n_mid_units)
            self.l3 = L.Linear(py"None", n_out)
        end
    end

    function forward(self, x)
        h1 = F.relu(self.l1(x))
        h2 = F.relu(self.l2(h1))
        return self.l3(h2)
    end
end

chainer_mlp.py

class MLP(Chain):

    def __init__(self, n_mid_units=100, n_out=10):
        super(MLP, self).__init__()
        with self.init_scope():
            self.l1 = L.Linear(None, n_mid_units)
            self.l2 = L.Linear(None, n_mid_units)
            self.l3 = L.Linear(None, n_out)

    def forward(self, x):
        h1 = F.relu(self.l1(x))
        h2 = F.relu(self.l2(h1))
        return self.l3(h2)