def __init__(self, model_file=DEFAULT_MODEL_URL, name="Dialog"):
super(Dialog, self).__init__(name=name)
if not os.path.exists(os.path.join(DEFAULT_DIRECTORY,'multiwoz/data')):
os.mkdir(os.path.join(DEFAULT_DIRECTORY,'multiwoz/data'))
### download multiwoz data
print('down load data from', DEFAULT_ARCHIVE_FILE_URL)
if not os.path.exists(os.path.join(DEFAULT_DIRECTORY,'multiwoz/save')):
os.mkdir(os.path.join(DEFAULT_DIRECTORY,'multiwoz/save'))
### download trained model
print('down load model from', DEFAULT_MODEL_URL)
model_path = ""
config = Config()
parser = config.parser
config = parser.parse_args()
with open("assets/never_split.txt") as f:
never_split = f.read().split("\n")
self.tokenizer = BertTokenizer("assets/vocab.txt", never_split=never_split)
self.nlu = BERTNLU()
self.dst_ = DST(config).cuda()
ckpt = torch.load("save/model_Sun_Jun_21_07:08:48_2020.pt", map_location = lambda storage, loc: storage.cuda(local_rank))
self.dst_.load_state_dict(ckpt["model"])
self.dst_.eval()
self.policy = RulePolicy()
self.nlg = TemplateNLG(is_user=False)
self.init_session()
self.slot_mapping = {
"leave": "leaveAt",
"arrive": "arriveBy"
}
def test_end2end():
# go to README.md of each model for more information
# BERT nlu
sys_nlu = None
# simple rule DST
sys_dst = TRADE()
# rule policy
sys_policy = RulePolicy()
# template NLG
sys_nlg = TemplateNLG(is_user=False)
# assemble
sys_agent = PipelineAgent(sys_nlu, sys_dst, sys_policy, sys_nlg, name='sys')
# BERT nlu trained on sys utterance
user_nlu = BERTNLU(mode='sys', config_file='multiwoz_sys_context.json',
model_file='https://convlab.blob.core.windows.net/convlab-2/bert_multiwoz_sys_context.zip')
# not use dst
user_dst = None
# rule policy
user_policy = RulePolicy(character='usr')
# template NLG
user_nlg = TemplateNLG(is_user=True)
# assemble
user_agent = PipelineAgent(user_nlu, user_dst, user_policy, user_nlg, name='user')
analyzer = Analyzer(user_agent=user_agent, dataset='multiwoz')
set_seed(20200202)
analyzer.comprehensive_analyze(sys_agent=sys_agent, model_name='TRADE-RulePolicy-TemplateNLG', total_dialog=1000)
def build_sys_agent_svmnlu():
sys_nlu = SVMNLU()
sys_dst = RuleDST()
sys_policy = RulePolicy(character='sys')
sys_nlg = TemplateNLG(is_user=False)
sys_agent = PipelineAgent(sys_nlu, sys_dst, sys_policy, sys_nlg, 'sys')
return sys_agent
def set_user(user):
# MILU
user_nlu = BERTNLU()
# not use dst
user_dst = None
# rule policy
user_policy = RulePolicy(character='usr')
#'attraction', 'hotel', 'restaurant', 'train', 'taxi', 'hospital', 'police'
if user:
if user == '7':
user_policy.policy.goal_generator = GoalGenerator_7()
if user == 'attraction':
user_policy.policy.goal_generator = GoalGenerator_attraction()
elif user == 'hospital':
user_policy.policy.goal_generator = GoalGenerator_hospital()
elif user == 'hotel':
user_policy.policy.goal_generator = GoalGenerator_hotel()
elif user == 'police':
user_policy.policy.goal_generator = GoalGenerator_police()
elif user == 'restaurant':
user_policy.policy.goal_generator = GoalGenerator_restaurant()
elif user == 'taxi':
user_policy.policy.goal_generator = GoalGenerator_taxi()
elif user == 'train':
user_policy.policy.goal_generator = GoalGenerator_train()
# template NLG
user_nlg = TemplateNLG(is_user=True)
return user_nlu, user_dst, user_policy, user_nlg
def build_user_agent_bertnlu():
user_nlu = BERTNLU()
user_dst = None
user_policy = RulePolicy(character='usr')
user_nlg = TemplateNLG(is_user=True)
user_agent = PipelineAgent(user_nlu, user_dst, user_policy, user_nlg, 'user')
return user_agent
def __init__(self, vocab, db, config):
super(DIALOG, self).__init__()
self.vocab = vocab
self.db = db
self.pointer_size = config.pointer_size
self.max_belief_len = config.max_belief_len
self.nlu = BERTNLU() # fixed, not finetuning
self.context_encoder = ContextEncoder(vocab.vocab_size, config.hidden_size, config.hidden_size, config.dropout, config.num_layers, vocab.word2idx["<pad>"])
self.belief_decoder = BeliefDecoder(vocab, self.context_encoder.embedding, config.hidden_size, config.dropout, config.num_layers, config.max_value_len)
self.policy = RulePolicy()
self.nlg = TemplateNLG(is_user=False)
# self.action_decoder = ActionDecoder(vocab, self.context_encoder.embedding, config.hidden_size, config.pointer_size, config.dropout, config.num_layers, config.max_act_len)
# self.response_decoder = ResponseDecoder(vocab, self.context_encoder.embedding, config.hidden_size, config.pointer_size, config.dropout, config.num_layers, config.max_sentence_len)
self.load_embedding() # load Glove & Kazuma embedding
def test_end2end():
sys_dst = RuleDST()
sys_policy = DQNPolicy()
sys_agent = PipelineAgent(None, sys_dst, sys_policy, None, name='sys')
user_policy = RulePolicy(character='usr')
user_agent = PipelineAgent(None, None, user_policy, None, name='user')
analyzer = Analyzer(user_agent=user_agent, dataset='multiwoz')
set_seed(20200202)
analyzer.comprehensive_analyze(sys_agent=sys_agent,
model_name='RuleDST-DQNPolicy',
total_dialog=1000)
def build_sys_agent_bertnlu_context(use_nlu=True):
sys_nlu = BERTNLU(mode='all', config_file='multiwoz_all_context.json',
model_file='https://tatk-data.s3-ap-northeast-1.amazonaws.com/bert_multiwoz_all_context.zip')
sys_dst = RuleDST()
sys_policy = RulePolicy(character='sys')
sys_nlg = TemplateNLG(is_user=False)
if use_nlu:
sys_agent = PipelineAgent(sys_nlu, sys_dst, sys_policy, sys_nlg, 'sys')
else:
sys_agent = PipelineAgent(None, sys_dst, sys_policy, None, 'sys')
return sys_agent
def build_sys_agent_svmnlu(use_nlu=True):
sys_nlu = SVMNLU(mode='all')
sys_dst = RuleDST()
sys_policy = RulePolicy(character='sys')
sys_nlg = TemplateNLG(is_user=False)
if use_nlu:
sys_agent = PipelineAgent(sys_nlu, sys_dst, sys_policy, sys_nlg, 'sys')
else:
sys_agent = PipelineAgent(None, sys_dst, sys_policy, None, 'sys')
return sys_agent
def build_user_agent_svmnlu(use_nlu=True):
user_nlu = SVMNLU(mode='all')
user_dst = None
user_policy = RulePolicy(character='usr')
user_nlg = TemplateNLG(is_user=True)
if use_nlu:
user_agent = PipelineAgent(user_nlu, None, user_policy, user_nlg, 'user')
else:
user_agent = PipelineAgent(None, None, user_policy, None, 'user')
return user_agent
def build_user_agent_bertnlu(use_nlu=True):
user_nlu = BERTNLU(mode='all', config_file='multiwoz_all.json',
model_file='https://tatk-data.s3-ap-northeast-1.amazonaws.com/bert_multiwoz_all.zip')
user_dst = None
user_policy = RulePolicy(character='usr')
user_nlg = TemplateNLG(is_user=True)
if use_nlu:
user_agent = PipelineAgent(user_nlu, None, user_policy, user_nlg, 'user')
else:
user_agent = PipelineAgent(None, None, user_policy, None, 'user')
return user_agent
def __init__(self, dataset='multiwoz-test'):
user_nlu = BERTNLU(
mode='sys',
config_file='multiwoz_sys_context.json',
model_file=
'https://convlab.blob.core.windows.net/convlab-2/bert_multiwoz_sys_context.zip'
)
user_dst = None
user_policy = RulePolicy(character='usr')
user_nlg = TemplateNLG(is_user=True)
user_agent = PipelineAgent(user_nlu,
user_dst,
user_policy,
user_nlg,
name='user')
dataset, _ = data.split_name(dataset)
super().__init__(user_agent, dataset)
def evaluate(dataset_name, model_name, load_path, calculate_reward=True):
seed = 20190827
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
if dataset_name == 'MultiWOZ':
dst_sys = RuleDST()
if model_name == "PPO":
from convlab2.policy.ppo import PPO
if load_path:
policy_sys = PPO(False)
policy_sys.load(load_path)
else:
policy_sys = PPO.from_pretrained()
elif model_name == "PG":
from convlab2.policy.pg import PG
if load_path:
policy_sys = PG(False)
policy_sys.load(load_path)
else:
policy_sys = PG.from_pretrained()
elif model_name == "MLE":
from convlab2.policy.mle.multiwoz import MLE
if load_path:
policy_sys = MLE()
policy_sys.load(load_path)
else:
policy_sys = MLE.from_pretrained()
elif model_name == "GDPL":
from convlab2.policy.gdpl import GDPL
if load_path:
policy_sys = GDPL(False)
policy_sys.load(load_path)
else:
policy_sys = GDPL.from_pretrained()
elif model_name == "GAIL":
from convlab2.policy.gail import GAIL
if load_path:
policy_sys = GAIL(False)
policy_sys.load(load_path)
else:
policy_sys = GAIL.from_pretrained()
dst_usr = None
policy_usr = RulePolicy(character='usr')
simulator = PipelineAgent(None, None, policy_usr, None, 'user')
env = Environment(None, simulator, None, dst_sys)
agent_sys = PipelineAgent(None, dst_sys, policy_sys, None, 'sys')
evaluator = MultiWozEvaluator()
sess = BiSession(agent_sys, simulator, None, evaluator)
task_success = {'All': []}
for seed in range(100):
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
sess.init_session()
sys_response = []
logging.info('-'*50)
logging.info(f'seed {seed}')
for i in range(40):
sys_response, user_response, session_over, reward = sess.next_turn(sys_response)
if session_over is True:
task_succ = sess.evaluator.task_success()
logging.info(f'task success: {task_succ}')
logging.info(f'book rate: {sess.evaluator.book_rate()}')
logging.info(f'inform precision/recall/f1: {sess.evaluator.inform_F1()}')
logging.info('-'*50)
break
else:
task_succ = 0
for key in sess.evaluator.goal:
if key not in task_success:
task_success[key] = []
else:
task_success[key].append(task_succ)
task_success['All'].append(task_succ)
for key in task_success:
logging.info(f'{key} {len(task_success[key])} {np.average(task_success[key]) if len(task_success[key]) > 0 else 0}')
if calculate_reward:
reward_tot = []
for seed in range(100):
s = env.reset()
reward = []
value = []
mask = []
for t in range(40):
s_vec = torch.Tensor(policy_sys.vector.state_vectorize(s))
a = policy_sys.predict(s)
# interact with env
next_s, r, done = env.step(a)
logging.info(r)
reward.append(r)
if done: # one due to counting from 0, the one for the last turn
break
logging.info(f'{seed} reward: {np.mean(reward)}')
reward_tot.append(np.mean(reward))
logging.info(f'total avg reward: {np.mean(reward_tot)}')
else:
raise Exception("currently supported dataset: MultiWOZ")
from pprint import pprint
from convlab2.dialog_agent import PipelineAgent, BiSession
from convlab2.evaluator.multiwoz_eval import MultiWozEvaluator
from convlab2.policy.rule.multiwoz import RulePolicy
from convlab2.nlg.template.multiwoz.nlg import TemplateNLG
from convlab2.dst.rule.multiwoz.dst import RuleDST
from convlab2.nlu.jointBERT.multiwoz.nlu import BERTNLU
seed = 50
np.random.seed(seed)
random.seed(seed)
torch.manual_seed(seed)
sys_nlu = BERTNLU()
sys_dst = RuleDST()
sys_policy = RulePolicy()
sys_nlg = TemplateNLG(is_user=False)
sys_agent = PipelineAgent(sys_nlu,
sys_dst,
sys_policy,
sys_nlg,
name='sys')
user_nlu = BERTNLU(
mode='sys',
config_file='multiwoz_sys_context.json',
model_file=
'https://convlab.blob.core.windows.net/convlab-2/bert_multiwoz_sys_context.zip'
)
user_dst = None
user_policy = RulePolicy(character='usr')
from convlab2.policy.rule.multiwoz import RulePolicy
from convlab2.nlg.template.multiwoz import TemplateNLG
from convlab2.evaluator.multiwoz_eval import MultiWozEvaluator
import random
import numpy as np
from pprint import pprint
rgi_queue = PriorityQueue(maxsize=0)
rgo_queue = PriorityQueue(maxsize=0)
app = Flask(__name__)
# sys_nlu = BERTNLU()
sys_nlu = MILU()
sys_dst = RuleDST()
sys_policy = RulePolicy(character='sys')
sys_nlg = TemplateNLG(is_user=False)
agent = PipelineAgent(sys_nlu, sys_dst, sys_policy, sys_nlg, 'sys')
print(agent.response('I am looking for a hotel'))
@app.route('/', methods=['GET', 'POST'])
def process():
try:
in_request = request.json
print(in_request)
except:
return "invalid input: {}".format(in_request)
rgi_queue.put(in_request)
def evaluate(dataset_name, model_name, load_path):
seed = 20200722
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
if dataset_name == 'MultiWOZ':
dst_sys = RuleDST()
if model_name == "PPO":
from convlab2.policy.ppo import PPO
if load_path:
policy_sys = PPO(False)
policy_sys.load(load_path)
else:
policy_sys = PPO.from_pretrained()
elif model_name == "DQN":
from convlab2.policy.dqn.DQN.DQN import DQN
if load_path:
policy_sys = DQN(False)
policy_sys.load(load_path)
else:
print('Please add load path.')
elif model_name == "DQfD_RE":
from convlab2.policy.dqn.RE.DQfD import DQfD
if load_path:
policy_sys = DQfD(False)
policy_sys.load(load_path)
else:
print('Please add load path.')
elif model_name == "DQfD_NLE":
from convlab2.policy.dqn.NLE.DQfD import DQfD
if load_path:
policy_sys = DQfD(False)
policy_sys.load(load_path)
else:
print('Please add load path.')
elif model_name == "MLE":
from convlab2.policy.mle.multiwoz import MLE
if load_path:
policy_sys = MLE()
policy_sys.load(load_path)
else:
policy_sys = MLE.from_pretrained()
policy_usr = RulePolicy(character='usr')
simulator = PipelineAgent(None, None, policy_usr, None, 'user')
agent_sys = PipelineAgent(None, dst_sys, policy_sys, None, 'sys')
evaluator = MultiWozEvaluator()
sess = BiSession(agent_sys, simulator, None, evaluator)
task_success = 0
evaluator_success = 0
for seed in range(100):
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
sess.init_session()
sys_response = []
cur_success = 0
for i in range(40):
sys_response, user_response, session_over, reward = sess.next_turn(
sys_response)
if reward == 80:
cur_success = 1
task_success += 1
if session_over is True:
break
# logging.debug('Current task success: {}, the evaluator result: {}.'.format(cur_success, sess.evaluator.task_success()))
evaluator_success += sess.evaluator.task_success()
logging.debug('Task success rate: {} and evaluator result: {}.'.format(
task_success / 100, evaluator_success / 100))
return task_success / 100, evaluator_success / 100
class Dialog(Agent):
def __init__(self, model_file=DEFAULT_MODEL_URL, name="Dialog"):
super(Dialog, self).__init__(name=name)
if not os.path.exists(os.path.join(DEFAULT_DIRECTORY,'multiwoz/data')):
os.mkdir(os.path.join(DEFAULT_DIRECTORY,'multiwoz/data'))
### download multiwoz data
print('down load data from', DEFAULT_ARCHIVE_FILE_URL)
if not os.path.exists(os.path.join(DEFAULT_DIRECTORY,'multiwoz/save')):
os.mkdir(os.path.join(DEFAULT_DIRECTORY,'multiwoz/save'))
### download trained model
print('down load model from', DEFAULT_MODEL_URL)
model_path = ""
config = Config()
parser = config.parser
config = parser.parse_args()
with open("assets/never_split.txt") as f:
never_split = f.read().split("\n")
self.tokenizer = BertTokenizer("assets/vocab.txt", never_split=never_split)
self.nlu = BERTNLU()
self.dst_ = DST(config).cuda()
ckpt = torch.load("save/model_Sun_Jun_21_07:08:48_2020.pt", map_location = lambda storage, loc: storage.cuda(local_rank))
self.dst_.load_state_dict(ckpt["model"])
self.dst_.eval()
self.policy = RulePolicy()
self.nlg = TemplateNLG(is_user=False)
self.init_session()
self.slot_mapping = {
"leave": "leaveAt",
"arrive": "arriveBy"
}
def init_session(self):
self.nlu.init_session()
self.policy.init_session()
self.nlg.init_session()
self.history = []
self.state = default_state()
pass
def response(self, user):
self.history.append(["user", user])
user_action = []
self.input_action = self.nlu.predict(user, context=[x[1] for x in self.history[:-1]])
self.input_action = deepcopy(self.input_action)
for act in self.input_action:
intent, domain, slot, value = act
if intent == "Request":
user_action.append(act)
if not self.state["request_state"].get(domain):
self.state["request_state"][domain] = {}
if slot not in self.state["request_state"][domain]:
self.state['request_state'][domain][slot] = 0
context = " ".join([utterance[1] for utterance in self.history])
context = context[-MAX_CONTEXT_LENGTH:]
context = self.tokenizer.encode(context)
context = torch.tensor(context, dtype=torch.int64).unsqueeze(dim=0).cuda() # [1, len]
belief_gen = self.dst_(None, context, 0, test=True)[0] # [slots, len]
for slot_idx, domain_slot in enumerate(ontology.all_info_slots):
domain, slot = domain_slot.split("-")
slot = self.slot_mapping.get(slot, slot)
value = belief_gen[slot_idx][:-1] # remove <EOS>
value = self.tokenizer.decode(value)
if value != "none":
if slot in self.state["belief_state"][domain]["book"].keys():
if self.state["belief_state"][domain]["book"][slot] == "":
action = ["Inform", domain.capitalize(), REF_USR_DA[domain].get(slot, slot), value]
user_action.append(action)
self.state["belief_state"][domain]["book"][slot] = value
elif slot in self.state["belief_state"][domain]["semi"].keys():
if self.state["belief_state"][domain]["semi"][slot] == "":
action = ["Inform", domain.capitalize(), REF_USR_DA[domain].get(slot, slot), value]
user_action.append(action)
self.state["belief_state"][domain]["semi"][slot] = value
self.state["user_action"] = user_action
self.output_action = deepcopy(self.policy.predict(self.state))
model_response = self.nlg.generate(self.output_action)
self.history.append(["sys", model_response])
return model_response
policy.update(epoch, batchsz_real, s, a, r, mask)
if __name__ == '__main__':
# svm nlu trained on usr sentence of multiwoz
# nlu_sys = SVMNLU('usr')
# simple rule DST
dst_sys = RuleDST()
# rule policy
policy_sys = PPO(True)
# template NLG
# nlg_sys = TemplateNLG(is_user=False)
# svm nlu trained on sys sentence of multiwoz
# nlu_usr = SVMNLU('sys')
# not use dst
dst_usr = None
# rule policy
policy_usr = RulePolicy(character='usr')
# template NLG
# nlg_usr = TemplateNLG(is_user=True)
# assemble
simulator = PipelineAgent(None, None, policy_usr, None, 'simulator')
env = Environment(None, simulator, None, dst_sys)
batchsz = 1024
epoch = 5
process_num = 8
for i in range(epoch):
update(env, policy_sys, batchsz, i, process_num)
else:
seed = int(time.time())
print(seed)
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
if __name__ == '__main__':
# BERT nlu
sys_nlu = BERTNLU()
# simple rule DST
sys_dst = RuleDST()
# rule policy
sys_policy = RulePolicy()
from convlab2.policy.mgail.multiwoz import MGAIL
policy_sys = MGAIL()
policy_sys.load(
'/home/nightop/ConvLab-2/convlab2/policy/mgail/multiwoz/save/all/99')
# template NLG
sys_nlg = TemplateNLG(is_user=False)
# assemble
sys_agent = PipelineAgent(sys_nlu,
sys_dst,
sys_policy,
sys_nlg,
name='sys')
# MILU
user_nlu = BERTNLU()
# user_nlu = BERTNLU(mode='sys', config_file='multiwoz_sys_context.json',
# model_file='https://convlab.blob.core.windows.net/convlab-2/bert_multiwoz_sys_context.zip')
# user_dst = None
# user_policy = RulePolicy(character='usr')
# user_nlg = TemplateNLG(is_user=True)
# user_agent = PipelineAgent(user_nlu, user_dst, user_policy, user_nlg, name='user')
# evaluator = MultiWozEvaluator()
# sess = BiSession(sys_agent=sys_agent, user_agent=user_agent, kb_query=None, evaluator=evaluator)
user_policy = UserPolicyAgendaMultiWoz()
#
sys_policy = RulePolicy(character='sys')
#
user_nlg = TemplateNLG(is_user=True, mode='manual')
sys_nlg = TemplateNLG(is_user=False, mode='manual')
#
dst = RuleDST()
#
# user_nlu = BERTNLU(mode='sys', config_file='multiwoz_sys_context.json',
# model_file='https://convlab.blob.core.windows.net/convlab-2/bert_multiwoz_sys_context.zip')
#
goal_generator = GoalGenerator()
# while True:
# goal = goal_generator.get_user_goal()
# if 'restaurant' in goal['domain_ordering'] and 'hotel' in goal['domain_ordering']:
# break
# # pprint(goal)
parser = ArgumentParser()
parser.add_argument("--load_path", type=str, default="", help="path of model to load")
parser.add_argument("--batchsz", type=int, default=1000, help="batch size of trajactory sampling")
parser.add_argument("--epoch", type=int, default=2550, help="number of epochs to train")
parser.add_argument("--process_num", type=int, default=1, help="number of processes of trajactory sampling")
args = parser.parse_args()
root_dir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))))
vector, act2ind_dict, ind2act_dict = generate_necessary_file(root_dir)
# simple rule DST
dst_usr = None
dst_sys = RuleDST()
# load policy sys
policy_sys = DQfD(True)
policy_sys.load(args.load_path)
# rule-based expert
expert_policy = RulePolicy(character='sys')
# rule policy
policy_usr = RulePolicy(character='usr')
# assemble
simulator = PipelineAgent(None, None, policy_usr, None, 'user')
# evaluator = MultiWozEvaluator()
env = Environment(None, simulator, None, dst_sys)
# pre-train
prefill_buff = pretrain(env, expert_policy, policy_sys, vector, act2ind_dict, args.batchsz, args.process_num)
prefill_buff.max_size = 100000
for i in range(args.epoch):
# train
train_update(prefill_buff, env, policy_sys, vector, act2ind_dict, args.batchsz, i, args.process_num)
def get_policy(model_name, sys_path):
sys_path = '/home/nightop/ConvLab-2/convlab2/policy/' + sys_path
print('sys_policy sys_path:', sys_path)
if model_name == "RulePolicy":
from convlab2.policy.rule.multiwoz import RulePolicy
policy_sys = RulePolicy()
elif model_name == "PPO":
from convlab2.policy.ppo import PPO
if sys_path:
policy_sys = PPO(False)
policy_sys.load(sys_path)
else:
policy_sys = PPO.from_pretrained()
elif model_name == "PG":
from convlab2.policy.pg import PG
if sys_path:
policy_sys = PG(False)
policy_sys.load(sys_path)
else:
policy_sys = PG.from_pretrained()
elif model_name == "MLE":
from convlab2.policy.mle.multiwoz import MLE
if sys_path:
policy_sys = MLE()
policy_sys.load(sys_path)
else:
policy_sys = MLE.from_pretrained()
elif model_name == "GDPL":
from convlab2.policy.gdpl import GDPL
if sys_path:
policy_sys = GDPL(False)
policy_sys.load(sys_path)
else:
policy_sys = GDPL.from_pretrained()
elif model_name == "GAIL":
from convlab2.policy.gail.multiwoz import GAIL
if sys_path:
policy_sys = GAIL()
policy_sys.load(sys_path)
elif model_name == "MPPO":
from convlab2.policy.mppo import MPPO
if sys_path:
policy_sys = MPPO()
policy_sys.load(sys_path)
else:
policy_sys = MPPO.from_pretrained()
elif model_name == 'MGAIL':
from convlab2.policy.mgail.multiwoz import MGAIL
if sys_path:
policy_sys = MGAIL()
policy_sys.load(sys_path)
return policy_sys
