def main():
train_config_name = "policy/bert/train.json"
common_config_name = "policy/bert/common.json"
data_urls = {
"config.json": "http://xbot.bslience.cn/bert-base-chinese/config.json",
"pytorch_model.bin": "http://xbot.bslience.cn/bert-base-chinese/pytorch_model.bin",
"vocab.txt": "http://xbot.bslience.cn/bert-base-chinese/vocab.txt",
"act_ontology.json": "http://xbot.bslience.cn/act_ontology.json",
}
train_config = update_config(
common_config_name, train_config_name, "crosswoz/policy_bert_data"
)
train_config["raw_data_path"] = os.path.join(get_data_path(), "crosswoz/raw")
# download data
for data_key, url in data_urls.items():
dst = os.path.join(train_config["data_path"], data_key)
file_name = data_key.split(".")[0]
train_config[file_name] = dst
if not os.path.exists(dst):
download_from_url(url, dst)
pl.seed_everything(train_config["seed"])
trainer = Trainer(train_config)
trainer.train()
trainer.eval_test()
def main():
model_config_name = "dst/bert/train.json"
common_config_name = "dst/bert/common.json"
data_urls = {
"train4bert_dst.json":
"http://src.xbot.bslience.cn/train4bert_dst.json",
"dev4bert_dst.json": "http://src.xbot.bslience.cn/dev4bert_dst.json",
"test4bert_dst.json": "http://src.xbot.bslience.cn/test4bert_dst.json",
"cleaned_ontology.json":
"http://src.xbot.bslience.cn/cleaned_ontology.json",
"config.json":
"http://src.xbot.bslience.cn/bert-base-chinese/config.json",
"pytorch_model.bin":
"http://src.xbot.bslience.cn/bert-base-chinese/pytorch_model.bin",
"vocab.txt": "http://src.xbot.bslience.cn/bert-base-chinese/vocab.txt",
}
# load config
root_path = get_root_path()
common_config_path = os.path.join(get_config_path(), common_config_name)
train_config_path = os.path.join(get_config_path(), model_config_name)
common_config = json.load(open(common_config_path))
train_config = json.load(open(train_config_path))
train_config.update(common_config)
train_config["n_gpus"] = torch.cuda.device_count()
train_config["train_batch_size"] = (max(1, train_config["n_gpus"]) *
train_config["train_batch_size"])
train_config["device"] = torch.device(
"cuda" if torch.cuda.is_available() else "cpu")
train_config["data_path"] = os.path.join(get_data_path(),
"crosswoz/dst_bert_data")
train_config["output_dir"] = os.path.join(root_path,
train_config["output_dir"])
if not os.path.exists(train_config["data_path"]):
os.makedirs(train_config["data_path"])
if not os.path.exists(train_config["output_dir"]):
os.makedirs(train_config["output_dir"])
# download data
for data_key, url in data_urls.items():
dst = os.path.join(train_config["data_path"], data_key)
file_name = data_key.split(".")[0]
train_config[file_name] = dst
if not os.path.exists(dst):
download_from_url(url, dst)
# train
trainer = Trainer(train_config)
trainer.train()
trainer.eval_test()
get_recall(train_config["data_path"])
def download_data(infer_config: dict, model_dir: str) -> None:
"""Download trained model for inference.
Args:
infer_config: config used for inference
model_dir: model save directory
"""
for data_key, url in BertPolicy.data_urls.items():
if not os.path.exists(model_dir):
os.makedirs(model_dir)
dst = os.path.join(model_dir, data_key)
file_name = data_key.split(".")[0]
infer_config[file_name] = dst
if not os.path.exists(dst):
download_from_url(url, dst)
def __init__(self):
root_path = get_root_path()
config_file = os.path.join(
root_path,
"src/xbot/config/{}".format(JointWithBertPredictor.default_model_config),
)
config = json.load(open(config_file))
device = config["DEVICE"]
data_dir = os.path.join(root_path, config["data_dir"])
intent_vocab = json.load(
open(os.path.join(data_dir, "intent_vocab.json"), encoding="utf-8")
)
tag_vocab = json.load(
open(os.path.join(data_dir, "tag_vocab.json"), encoding="utf-8")
)
dataloader = Dataloader(
intent_vocab=intent_vocab,
tag_vocab=tag_vocab,
pretrained_weights=config["model"]["pretrained_weights"],
)
best_model_path = os.path.join(
DEFAULT_MODEL_PATH, JointWithBertPredictor.default_model_name
)
if not os.path.exists(best_model_path):
download_from_url(JointWithBertPredictor.default_model_url, best_model_path)
model = JointBERT(
config["model"], device, dataloader.tag_dim, dataloader.intent_dim
)
try:
model.load_state_dict(
torch.load(
os.path.join(
DEFAULT_MODEL_PATH, JointWithBertPredictor.default_model_name
),
map_location="cpu",
)
)
except Exception as e:
print(e)
model.to(device)
self.model = model
self.dataloader = dataloader
print(f"{best_model_path} loaded")
def download_data(infer_config: dict) -> None:
"""Download trained model and ontology file for inference.
Args:
infer_config: config used for inference
"""
for data_key, url in BertDST.data_urls.items():
if "ontology" in data_key:
dst = os.path.join(infer_config["data_path"], data_key)
else:
model_dir = os.path.join(infer_config["data_path"], "trained_model")
infer_config["model_dir"] = model_dir
if not os.path.exists(model_dir):
os.makedirs(model_dir)
dst = os.path.join(model_dir, data_key)
file_name = data_key.split(".")[0]
infer_config[file_name] = dst
if not os.path.exists(dst):
download_from_url(url, dst)
def __init__(self):
# path
root_path = get_root_path()
config_file = os.path.join(
get_config_path(), IntentWithBertPredictor.default_model_config
)
# load config
config = json.load(open(config_file))
self.device = config["DEVICE"]
# load intent vocabulary and dataloader
intent_vocab = json.load(
open(
os.path.join(
get_data_path(), "crosswoz/nlu_intent_data/intent_vocab.json"
),
encoding="utf-8",
)
)
dataloader = Dataloader(
intent_vocab=intent_vocab,
pretrained_weights=config["model"]["pretrained_weights"],
)
# load best model
best_model_path = os.path.join(
os.path.join(root_path, DEFAULT_MODEL_PATH),
IntentWithBertPredictor.default_model_name,
)
# best_model_path = os.path.join(DEFAULT_MODEL_PATH, IntentWithBertPredictor.default_model_name)
if not os.path.exists(best_model_path):
download_from_url(
IntentWithBertPredictor.default_model_url, best_model_path
)
model = IntentWithBert(config["model"], self.device, dataloader.intent_dim)
model.load_state_dict(torch.load(best_model_path, map_location=self.device))
model.to(self.device)
model.eval()
self.model = model
self.dataloader = dataloader
print(f"{best_model_path} loaded - {best_model_path}")
def __init__(self):
super(MLEPolicy, self).__init__()
# load config
common_config_path = os.path.join(get_config_path(),
MLEPolicy.common_config_name)
common_config = json.load(open(common_config_path))
model_config_path = os.path.join(get_config_path(),
MLEPolicy.model_config_name)
model_config = json.load(open(model_config_path))
model_config.update(common_config)
self.model_config = model_config
self.model_config["data_path"] = os.path.join(
get_data_path(), "crosswoz/policy_mle_data")
self.model_config["n_gpus"] = (0 if self.model_config["device"]
== "cpu" else torch.cuda.device_count())
self.model_config["device"] = torch.device(self.model_config["device"])
# download data
for model_key, url in MLEPolicy.model_urls.items():
dst = os.path.join(self.model_config["data_path"], model_key)
file_name = (model_key.split(".")[0]
if not model_key.endswith("pth") else
"trained_model_path")
self.model_config[file_name] = dst
if not os.path.exists(dst) or not self.model_config["use_cache"]:
download_from_url(url, dst)
self.vector = CrossWozVector(
sys_da_voc_json=self.model_config["sys_da_voc"],
usr_da_voc_json=self.model_config["usr_da_voc"],
)
policy = MultiDiscretePolicy(self.vector.state_dim,
model_config["hidden_size"],
self.vector.sys_da_dim)
policy.load_state_dict(
torch.load(self.model_config["trained_model_path"]))
self.policy = policy.to(self.model_config["device"]).eval()
print(f'>>> {self.model_config["trained_model_path"]} loaded ...')
def __init__(self, is_user, mode="auto_manual"):
# super().__init__()
self.is_user = is_user
self.mode = mode
if is_user:
self.role = "usr"
else:
self.role = "sys"
cur_dir = os.path.dirname(os.path.abspath(__file__))
template_dir = os.path.join(cur_dir,
"../../data/crosswoz/nlg_template_data")
data_urls = {
"auto_user_template_nlg.json":
"http://qiw2jpwfc.hn-bkt.clouddn.com/auto_user_template_nlg.json",
"auto_system_template_nlg.json":
"http://qiw2jpwfc.hn-bkt.clouddn.com/auto_system_template_nlg.json",
"manual_user_template_nlg.json":
"http://qiw2jpwfc.hn-bkt.clouddn.com/manual_user_template_nlg.json",
"manual_system_template_nlg.json":
"http://qiw2jpwfc.hn-bkt.clouddn.com/manual_system_template_nlg.json",
}
for data_key, url in data_urls.items():
nlg_download = os.path.join(os.path.join(template_dir, data_key))
if not os.path.exists(nlg_download):
download_from_url(url, nlg_download)
# multi-intent
self.auto_user_template = read_json(
os.path.join(template_dir, "auto_user_template_nlg.json"))
self.auto_system_template = read_json(
os.path.join(template_dir, "auto_system_template_nlg.json"))
# single-intent
self.manual_user_template = read_json(
os.path.join(template_dir, "manual_user_template_nlg.json"))
self.manual_system_template = read_json(
os.path.join(template_dir, "manual_system_template_nlg.json"))
root_path = get_root_path()
config_path = os.path.join(os.path.join(get_config_path(), "nlu"),
"crosswoz_all_context_nlu_intent.json")
config = json.load(open(config_path))
data_path = os.path.join(get_data_path(), "crosswoz/nlu_intent_data/")
output_dir = config["output_dir"]
output_dir = os.path.join(root_path, output_dir)
log_dir = config["log_dir"]
log_dir = os.path.join(root_path, log_dir)
device = config["DEVICE"]
# download data
for data_key, url in data_urls.items():
dst = os.path.join(os.path.join(data_path, data_key))
if not os.path.exists(dst):
download_from_url(url, dst)
# seed
set_seed(config["seed"])
# load intent vocabulary and dataloader
intent_vocab = json.load(
open(os.path.join(data_path, "intent_vocab.json"), encoding="utf-8"))
dataloader = Dataloader(
intent_vocab=intent_vocab,
pretrained_weights=config["model"]["pretrained_weights"],
)
# load data
for data_key in ["train", "val", "tests"]:
dataloader.load_data(
def main():
global scheduler
data_urls = {
"slot_train_data.json": "http://xbot.bslience.cn/slot_train_data.json",
"slot_val_data.json": "http://xbot.bslience.cn/slot_val_data.json",
"slot_test_data.json": "http://xbot.bslience.cn/slot_test_data.json",
}
# load config
root_path = get_root_path()
config_path = os.path.join(
root_path, "src/xbot/config/nlu/crosswoz_all_context_nlu_slot.json")
config = json.load(open(config_path))
data_path = config["data_dir"]
data_path = os.patgith.join(root_path, data_path)
output_dir = config["output_dir"]
output_dir = os.path.join(root_path, output_dir)
log_dir = config["log_dir"]
output_dir = os.path.join(root_path, output_dir)
device = config["DEVICE"]
# download data
for data_key, url in data_urls.items():
dst = os.path.join(os.path.join(data_path, data_key))
if not os.path.exists(dst):
download_from_url(url, dst)
set_seed(config["seed"])
intent_vocab = json.load(
open(os.path.join(data_path, "intent_vocab.json"), encoding="utf-8"))
tag_vocab = json.load(
open(os.path.join(data_path, "tag_vocab.json"), encoding="utf-8"))
dataloader = Dataloader(
intent_vocab=intent_vocab,
tag_vocab=tag_vocab,
pretrained_weights=config["model"]["pretrained_weights"],
)
for data_key in ["train", "val", "test"]:
dataloader.load_data(
json.load(
open(os.path.join(data_path,
"slot_{}_data.json".format(data_key)),
encoding="utf-8")),
data_key,
cut_sen_len=config["cut_sen_len"],
use_bert_tokenizer=config["use_bert_tokenizer"],
)
print("{} set size: {}".format(data_key,
len(dataloader.data[data_key])))
# output and log dir
if not os.path.exists(output_dir):
os.makedirs(output_dir)
if not os.path.exists(log_dir):
os.makedirs(log_dir)
writer = SummaryWriter(log_dir)
# model
model = SlotWithBert(config["model"], device, dataloader.tag_dim)
model.to(device)
if config["model"]["finetune"]:
no_decay = ["bias", "LayerNorm.weight"]
optimizer_grouped_parameters = [
{
"params": [
p for n, p in model.named_parameters()
if not any(nd in n for nd in no_decay) and p.requires_grad
],
"weight_decay":
config["model"]["weight_decay"],
},
{
"params": [
p for n, p in model.named_parameters()
if any(nd in n for nd in no_decay) and p.requires_grad
],
"weight_decay":
0.0,
},
]
optimizer = AdamW(
optimizer_grouped_parameters,
lr=config["model"]["learning_rate"],
eps=config["model"]["adam_epsilon"],
)
scheduler = get_linear_schedule_with_warmup(
optimizer,
num_warmup_steps=config["model"]["warmup_steps"],
num_training_steps=config["model"]["max_step"],
)
else:
for n, p in model.named_parameters():
if "bert_policy" in n:
p.requires_grad = False
optimizer = torch.optim.Adam(
filter(lambda p: p.requires_grad, model.parameters()),
lr=config["model"]["learning_rate"],
)
max_step = config["model"]["max_step"]
check_step = config["model"]["check_step"]
batch_size = config["model"]["batch_size"]
model.zero_grad()
train_slot_loss = 0
best_val_f1 = 0.0
writer.add_text("config", json.dumps(config))
for step in range(1, max_step + 1):
model.train()
batched_data = dataloader.get_train_batch(batch_size)
batched_data = tuple(t.to(device) for t in batched_data)
(
word_seq_tensor,
tag_seq_tensor,
word_mask_tensor,
tag_mask_tensor,
context_seq_tensor,
context_mask_tensor,
) = batched_data
if not config["model"]["context"]:
context_seq_tensor, context_mask_tensor = None, None
_, slot_loss = model(
word_seq_tensor,
word_mask_tensor,
tag_seq_tensor,
tag_mask_tensor,
context_seq_tensor,
context_mask_tensor,
)
train_slot_loss += slot_loss.item()
loss = slot_loss
loss.backward()
torch.nn.utils.clip_grad_norm_(model.parameters(), 1.0)
optimizer.step()
if config["model"]["finetune"]:
scheduler.step() # Update learning rate schedule
model.zero_grad()
if step % check_step == 0:
train_slot_loss = train_slot_loss / check_step
print("[%d|%d] step" % (step, max_step))
print("\t slot loss:", train_slot_loss)
predict_golden = {"slot": [], "overall": []}
val_slot_loss = 0
model.eval()
for pad_batch, ori_batch, real_batch_size in dataloader.yield_batches(
batch_size, data_key="val"):
pad_batch = tuple(t.to(device) for t in pad_batch)
(
word_seq_tensor,
tag_seq_tensor,
word_mask_tensor,
tag_mask_tensor,
context_seq_tensor,
context_mask_tensor,
) = pad_batch
if not config["model"]["context"]:
context_seq_tensor, context_mask_tensor = None, None
with torch.no_grad():
slot_logits, slot_loss = model(
word_seq_tensor,
word_mask_tensor,
tag_seq_tensor,
tag_mask_tensor,
context_seq_tensor,
context_mask_tensor,
)
val_slot_loss += slot_loss.item() * real_batch_size
for j in range(real_batch_size):
predicts = recover_intent(
dataloader,
slot_logits[j],
tag_mask_tensor[j],
ori_batch[j][0],
ori_batch[j][1],
)
labels = ori_batch[j][2]
predict_golden["slot"].append({
"predict": [x for x in predicts if is_slot_da(x)],
"golden": [x for x in labels if is_slot_da(x)],
})
total = len(dataloader.data["val"])
val_slot_loss /= total
print("%d samples val" % total)
print("\t slot loss:", val_slot_loss)
writer.add_scalar("slot_loss/train",
train_slot_loss,
global_step=step)
writer.add_scalar("slot_loss/val", val_slot_loss, global_step=step)
precision, recall, F1 = calculate_f1(predict_golden["slot"])
print("-" * 20 + "slot" + "-" * 20)
print("\t Precision: %.2f" % (100 * precision))
print("\t Recall: %.2f" % (100 * recall))
print("\t F1: %.2f" % (100 * F1))
writer.add_scalar("val_{}/precision".format("slot"),
precision,
global_step=step)
writer.add_scalar("val_{}/recall".format("slot"),
recall,
global_step=step)
writer.add_scalar("val_{}/F1".format("slot"), F1, global_step=step)
if F1 > best_val_f1:
best_val_f1 = F1
torch.save(
model.state_dict(),
os.path.join(output_dir, "pytorch_model_nlu_slot.pt"),
)
print("best val F1 %.4f" % best_val_f1)
print("save on", output_dir)
train_slot_loss = 0
writer.add_text("val overall F1", "%.2f" % (100 * best_val_f1))
writer.close()
model_path = os.path.join(output_dir, "pytorch_model_nlu_slot.pt")
torch.save(model.state_dict(), model_path)
def main():
model_config_name = "policy/mle/train.json"
common_config_name = "policy/mle/common.json"
data_urls = {
"sys_da_voc.json":
"http://qiw2jpwfc.hn-bkt.clouddn.com/usr_da_voc.json",
"usr_da_voc.json":
"http://qiw2jpwfc.hn-bkt.clouddn.com/usr_da_voc.json",
}
# load config
root_path = get_root_path()
common_config_path = os.path.join(get_config_path(), common_config_name)
model_config_path = os.path.join(get_config_path(), model_config_name)
common_config = json.load(open(common_config_path))
model_config = json.load(open(model_config_path))
model_config.update(common_config)
model_config["n_gpus"] = torch.cuda.device_count()
model_config["batch_size"] = (max(1, model_config["n_gpus"]) *
model_config["batch_size"])
model_config["device"] = torch.device(
"cuda:0" if torch.cuda.is_available() else "cpu")
model_config["data_path"] = os.path.join(get_data_path(),
"crosswoz/policy_mle_data")
model_config["raw_data_path"] = os.path.join(get_data_path(),
"crosswoz/raw")
model_config["output_dir"] = os.path.join(root_path,
model_config["output_dir"])
if model_config["load_model_name"]:
model_config["model_path"] = os.path.join(
model_config["output_dir"], model_config["load_model_name"])
else:
model_config["model_path"] = ""
if not os.path.exists(model_config["data_path"]):
os.makedirs(model_config["data_path"])
if not os.path.exists(model_config["output_dir"]):
os.makedirs(model_config["output_dir"])
# download data
for data_key, url in data_urls.items():
dst = os.path.join(model_config["data_path"], data_key)
file_name = data_key.split(".")[0]
model_config[file_name] = dst
if not os.path.exists(dst):
download_from_url(url, dst)
print(f">>> Train configs:")
print("\t", model_config)
set_seed(model_config["random_seed"])
agent = Trainer(model_config)
# 训练
if model_config["do_train"]:
start_epoch = (0 if not model_config["model_path"] else
int(model_config["model_path"].split("-")[2]) + 1)
best = float("inf")
for epoch in tqdm(range(start_epoch, model_config["num_epochs"]),
desc="Epoch"):
agent.imitating(epoch)
best = agent.imit_eval(epoch, best)
agent.calc_metrics()
root_path = get_root_path()
config_file = os.path.join(get_config_path(),
IntentWithBertPredictor.default_model_config)
config = json.load(open(config_file))
data_dir = os.path.join(get_data_path(), "crosswoz/nlu_intent_data/")
output_dir = config["output_dir"]
output_dir = os.path.join(root_path, output_dir)
log_dir = config["log_dir"]
log_dir = os.path.join(root_path, log_dir)
device = config["DEVICE"]
# download data
for data_key, url in data_urls.items():
dst = os.path.join(os.path.join(data_dir, data_key))
if not os.path.exists(dst):
download_from_url(url, dst)
set_seed(config["seed"])
intent_vocab = json.load(
open(os.path.join(data_dir, "intent_vocab.json"), encoding="utf-8"))
dataloader = Dataloader(
intent_vocab=intent_vocab,
pretrained_weights=config["model"]["pretrained_weights"],
)
for data_key in ["val", "tests"]:
dataloader.load_data(
json.load(
open(
os.path.join(data_dir,
"intent_{}_data.json".format(data_key)),
def load_from_net(url):
download_from_url(url, DEFAULT_MODEL_PATH)
def __init__(self):
super(TradeDST, self).__init__()
# load config
common_config_path = os.path.join(get_config_path(),
TradeDST.common_config_name)
common_config = json.load(open(common_config_path))
model_config_path = os.path.join(get_config_path(),
TradeDST.model_config_name)
model_config = json.load(open(model_config_path))
model_config.update(common_config)
self.model_config = model_config
self.model_config["data_path"] = os.path.join(
get_data_path(), "crosswoz/dst_trade_data")
self.model_config["n_gpus"] = (0 if self.model_config["device"]
== "cpu" else torch.cuda.device_count())
self.model_config["device"] = torch.device(self.model_config["device"])
if model_config["load_embedding"]:
model_config["hidden_size"] = 300
# download data
for model_key, url in TradeDST.model_urls.items():
dst = os.path.join(self.model_config["data_path"], model_key)
if model_key.endswith("pth"):
file_name = "trained_model_path"
elif model_key.endswith("pkl"):
file_name = model_key.rsplit("-", maxsplit=1)[0]
else:
file_name = model_key.split(".")[0] # ontology
self.model_config[file_name] = dst
if not os.path.exists(dst) or not self.model_config["use_cache"]:
download_from_url(url, dst)
# load date & model
ontology = json.load(
open(self.model_config["ontology"], "r", encoding="utf8"))
self.all_slots = get_slot_information(ontology)
self.gate2id = {"ptr": 0, "none": 1}
self.id2gate = {id_: gate for gate, id_ in self.gate2id.items()}
self.lang = pickle.load(open(self.model_config["lang"], "rb"))
self.mem_lang = pickle.load(open(self.model_config["mem-lang"], "rb"))
model = Trade(
lang=self.lang,
vocab_size=len(self.lang.index2word),
hidden_size=self.model_config["hidden_size"],
dropout=self.model_config["dropout"],
num_encoder_layers=self.model_config["num_encoder_layers"],
num_decoder_layers=self.model_config["num_decoder_layers"],
pad_id=self.model_config["pad_id"],
slots=self.all_slots,
num_gates=len(self.gate2id),
unk_mask=self.model_config["unk_mask"],
)
model.load_state_dict(
torch.load(self.model_config["trained_model_path"]))
self.model = model.to(self.model_config["device"]).eval()
print(f'>>> {self.model_config["trained_model_path"]} loaded ...')
self.state = default_state()
print(">>> State initialized ...")
if slot_value != "none":
predict_belief.append((self.all_slots[i], slot_value))
self.update_belief_state(predict_belief)
if __name__ == "__main__":
import random
dst_model = TradeDST()
data_path = os.path.join(get_data_path(), "crosswoz/dst_trade_data")
dials_path = os.path.join(data_path, "dev_dials.json")
# download dials file
if not os.path.exists(dials_path):
download_from_url("http://xbot.bslience.cn/dev_dials.json", dials_path)
with open(os.path.join(data_path, "dev_dials.json"), "r",
encoding="utf8") as f:
dials = json.load(f)
example = random.choice(dials)
break_turn = 0
for ti, turn in enumerate(example["dialogue"]):
dst_model.state["history"].append(
("sys", turn["system_transcript"]))
dst_model.state["history"].append(("usr", turn["transcript"]))
if random.random() < 0.5:
break_turn = ti + 1
break
if break_turn == len(example["dialogue"]):
print("对话已完成，请重新开始测试")
def main():
model_config_name = "dst/trade/train.json"
common_config_name = "dst/trade/common.json"
data_urls = {
"train_dials.json": "http://xbot.bslience.cn/train_dials.json",
"dev_dials.json": "http://xbot.bslience.cn/dev_dials.json",
"test_dials.json": "http://xbot.bslience.cn/test_dials.json",
"ontology.json": "http://xbot.bslience.cn/ontology.json",
"sgns.wiki.bigram.bz2": "http://xbot.bslience.cn/sgns.wiki.bigram.bz2",
}
# load config
root_path = get_root_path()
common_config_path = os.path.join(get_config_path(), common_config_name)
model_config_path = os.path.join(get_config_path(), model_config_name)
common_config = json.load(open(common_config_path))
model_config = json.load(open(model_config_path))
model_config.update(common_config)
model_config["n_gpus"] = torch.cuda.device_count()
model_config["batch_size"] = (max(1, model_config["n_gpus"]) *
model_config["batch_size"])
model_config["device"] = torch.device(
"cuda:0" if torch.cuda.is_available() else "cpu")
if model_config["load_embedding"]:
model_config["hidden_size"] = 300
model_config["data_path"] = os.path.join(get_data_path(),
"crosswoz/dst_trade_data")
model_config["output_dir"] = os.path.join(
root_path, model_config["output_dir"]) # 可以用来保存模型文件
if model_config["load_model_name"]:
model_config["model_path"] = os.path.join(
model_config["output_dir"], model_config["load_model_name"])
else:
model_config["model_path"] = ""
if not os.path.exists(model_config["data_path"]):
os.makedirs(model_config["data_path"])
if not os.path.exists(model_config["output_dir"]):
os.makedirs(model_config["output_dir"])
# download data
for data_key, url in data_urls.items():
dst = os.path.join(model_config["data_path"], data_key)
if "_" in data_key:
file_name = data_key.split(".")[0]
elif "wiki.bigram" in data_key:
file_name = "orig_pretrained_embedding"
else:
file_name = data_key.split(".")[0] # ontology
model_config[file_name] = dst
if not os.path.exists(dst):
download_from_url(url, dst)
avg_best, cnt, acc = 0.0, 0, 0.0
# 数据预处理
train, dev, test, langs, slots, gating_dict = prepare_data_seq(
model_config)
lang = langs[0]
model_config["pretrained_embedding_path"] = os.path.join(
model_config["data_path"], f"emb{len(lang.index2word)}")
print(f">>> Train configs:")
print("\t", model_config)
# 初始化训练
trainer = Trainer(config=model_config,
langs=langs,
gating_dict=gating_dict,
slots=slots)
# 训练
start_epoch = (0 if not model_config["model_path"] else
int(model_config["model_path"].split("-")[2]) + 1)
for epoch in tqdm(range(start_epoch, model_config["num_epochs"]),
desc="Epoch"):
progress_bar = tqdm(enumerate(train), total=len(train))
for i, data in progress_bar:
trainer.train_batch(data, slots, reset=(i == 0))
trainer.optimize(int(model_config["grad_clip"]))
progress_bar.set_description(trainer.print_loss())
if (epoch + 1) % int(model_config["eval_steps"]) == 0:
acc = trainer.evaluate(dev, avg_best, slots, epoch,
model_config["early_stop"])
trainer.scheduler.step(acc)
if acc >= avg_best:
avg_best = acc
cnt = 0
else:
cnt += 1
if cnt == model_config["patience"] or (
acc == 1.0 and model_config["early_stop"] is None):
print("Ran out of patient, early stop...")
break
