MockingBird/models/ppg_extractor/encoder/repeat.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2019 Shigeki Karita
# Apache 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
"""Repeat the same layer definition."""
import torch
class MultiSequential(torch.nn.Sequential):
"""Multi-input multi-output torch.nn.Sequential."""
def forward(self, *args):
"""Repeat."""
for m in self:
args = m(*args)
return args
def repeat(N, fn):
"""Repeat module N times.
:param int N: repeat time
:param function fn: function to generate module
:return: repeated modules
:rtype: MultiSequential
"""
return MultiSequential(*[fn(n) for n in range(N)])