def test(params):
assert params["mode"].lower() == "test", "change training mode to 'test' or 'eval'"
# assert params["beam_size"] == params["batch_size"], "Beam size must be equal to batch_size, change the params"
print("Building the model ...")
model = SequenceToSequence(params)
print("Creating the vocab ...")
vocab = Vocab(params["vocab_path"], params["vocab_size"])
print("Creating the batcher ...")
b = batcher(vocab, params)
print("Creating the checkpoint manager")
checkpoint_dir = "{}/checkpoint".format(params["seq2seq_model_dir"])
ckpt = tf.train.Checkpoint(SequenceToSequence=model)
ckpt_manager = tf.train.CheckpointManager(ckpt, checkpoint_dir, max_to_keep=5)
# path = params["model_path"] if params["model_path"] else ckpt_manager.latest_checkpoint
# path = ckpt_manager.latest_checkpoint
ckpt.restore(ckpt_manager.latest_checkpoint)
print("Model restored")
# for batch in b:
# yield batch_greedy_decode(model, batch, vocab, params)
if params['greedy_decode']:
# params['batch_size'] = 512
predict_result(model, params, vocab, params['test_save_dir'])
def train(params):
assert params["mode"].lower() == "train", "change training mode to 'train'"
vocab = Vocab(params["vocab_path"], params["vocab_size"])
print('true vocab is ', vocab)
print("Creating the batcher ...")
b = batcher(vocab, params)
print("Building the model ...")
model = SequenceToSequence(params)
print("Creating the checkpoint manager")
checkpoint_dir = "{}/checkpoint".format(params["seq2seq_model_dir"])
ckpt = tf.train.Checkpoint(SequenceToSequence=model)
ckpt_manager = tf.train.CheckpointManager(ckpt, checkpoint_dir, max_to_keep=5)
ckpt.restore(ckpt_manager.latest_checkpoint)
if ckpt_manager.latest_checkpoint:
print("Restored from {}".format(ckpt_manager.latest_checkpoint))
else:
print("Initializing from scratch.")
print("Starting the training ...")
train_model(model, b, params, ckpt, ckpt_manager)
def train(params):
assert params["mode"].lower() == "train", "change training mode to 'train'"
# 对应文件vocab.txt vocab_size参数设置为30000
# Vocab类定义在batcher下
vocab = Vocab(params["vocab_path"], params["vocab_size"])
# print('true vocab is ', vocab) 注释，返回的是object类型
print('true vocab is ', vocab.count) # 为设定的30000
print("Creating the batcher ...")
b = batcher(vocab, params)
# print(type(b))
# <class 'tensorflow.python.data.ops.dataset_ops.DatasetV1Adapter'>
print("Building the model ...")
model = SequenceToSequence(params)
print("Creating the checkpoint manager")
checkpoint_dir = "{}/checkpoint_vocab30000".format(
params["seq2seq_model_dir"])
ckpt = tf.train.Checkpoint(SequenceToSequence=model)
ckpt_manager = tf.train.CheckpointManager(ckpt,
checkpoint_dir,
max_to_keep=5)
ckpt.restore(ckpt_manager.latest_checkpoint)
if ckpt_manager.latest_checkpoint:
print("Restored from {}".format(ckpt_manager.latest_checkpoint))
else:
print("Initializing from scratch.")
print("Starting the training ...")
train_model(model, b, params, ckpt, ckpt_manager)
def test(params):
assert params["mode"].lower(
) == "test", "change training mode to 'test' or 'eval'"
# assert params["beam_size"] == params["batch_size"], "Beam size must be equal to batch_size, change the params"
print("Building the model ...")
model = SequenceToSequence(params)
print("Creating the vocab ...")
vocab = Vocab(params["vocab_path"], params["vocab_size"])
# print("Creating the batcher ...")
# b = batcher(vocab, params) 在predict_result执行的
print("Creating the checkpoint manager")
checkpoint_dir = "{}/checkpoint".format(params["seq2seq_model_dir"])
ckpt = tf.train.Checkpoint(SequenceToSequence=model)
ckpt_manager = tf.train.CheckpointManager(ckpt,
checkpoint_dir,
max_to_keep=5)
# path = params["model_path"] if params["model_path"] else ckpt_manager.latest_checkpoint
# path = ckpt_manager.latest_checkpoint
ckpt.restore(ckpt_manager.latest_checkpoint)
print("Model restored")
# for batch in b:
# yield batch_greedy_decode(model, batch, vocab, params)
"""
修改：
去掉了predict_result 函数
将处理steps_epoch的共用代码提取出来，再进行分支greedy_decode/beam_decode的出来
"""
# 调用batcher里的batcher->batch_generator函数 生成器example_generator mode == "test" 207行开始
dataset = batcher(vocab, params)
# 测试集的数量
sample_size = params['sample_size']
steps_epoch = sample_size // params["batch_size"] + 1
results = []
for i in tqdm(range(steps_epoch)):
enc_data, _ = next(iter(dataset))
# 如果为TRUE进行贪心搜索 否则BEAM SEARCH
if params['greedy_decode']:
# print("-----------------greedy_decode 模式-----------------")
results += batch_greedy_decode(model, enc_data, vocab, params)
else:
# print("-----------------beam_decode 模式-----------------")
# print(enc_data["enc_input"][0])
# print(enc_data["enc_input"][1])
# 需要beam sezi=batch size 输入时候相当于遍历一个个X 去进行搜索
for row in range(params['batch_size']):
batch = [
enc_data["enc_input"][row]
for _ in range(params['beam_size'])
]
best_hyp = beam_decode(model, batch, vocab, params)
results.append(best_hyp.abstract)
# batch遍历完成 保存测试结果
results = list(map(lambda x: x.replace(" ", ""), results))
# 保存结果 AutoMaster_TestSet.csv
save_predict_result(results, params)
# save_predict_result(results, params)
print('save beam search result to :{}'.format(params['test_x_dir']))