nlg encoder decoder

nlg_encoder_decoder.py

import numpy as np

def char_to_vec(str_char):
    byte_str = '{0:08b}'.format(ord(str_char), 'b')
    return np.array([int(bit) for bit in byte_str])

def sentence_to_vec(sentence):
    sentence = sentence.lower()
    return np.array([char_to_vec(letter) for letter in sentence])

def vec_to_char(char_vec):
    return ''.join([str(v) for v in char_vec])

def decode_to_str(sentence_matrix):
    return ''.join([chr(int(vec_to_char(char_vec), 2)) for char_vec in sentence_matrix])