token to ids

.pre-commit-config.yaml

@@ -1,9 +1,9 @@
 repos:
-  - repo: https://gitlab.com/pycqa/flake8.git
-    rev: 3.8.3
-    hooks:
-      - id: flake8
-        exclude: thirdparty/|examples/
+#  - repo: https://gitlab.com/pycqa/flake8.git
+#    rev: 3.8.3
+#    hooks:
+#      - id: flake8
+#        exclude: thirdparty/|examples/
   - repo: https://github.com/timothycrosley/isort
     rev: 4.3.21
     hooks:

maas_lib/pipelines/__init__.py

@@ -4,3 +4,4 @@ from .builder import pipeline
 from .cv import *  # noqa F403
 from .multi_modal import *  # noqa F403
 from .nlp import *  # noqa F403
+from .nlp.space import *  # noqa F403

maas_lib/pipelines/base.py

@@ -84,7 +84,7 @@ class Pipeline(ABC):
 
     def _process_single(self, input: Input, *args,
                         **post_kwargs) -> Dict[str, Any]:
-        out = self.preprocess(input)
+        out = self.preprocess(input, **post_kwargs)
         out = self.forward(out)
         out = self.postprocess(out, **post_kwargs)
         return out

maas_lib/pipelines/nlp/space/dialog_generation_pipeline.py

@@ -22,28 +22,29 @@ class DialogGenerationPipeline(Model):
         """
 
         super().__init__(model=model, preprocessor=preprocessor, **kwargs)
-        pass
+        self.model = model
+        self.tokenizer = preprocessor.tokenizer
 
-    def forward(self, input: Dict[str, Tensor]) -> Dict[str, Tensor]:
-        """return the result by the model
+    def postprocess(self, inputs: Dict[str, Tensor]) -> Dict[str, str]:
+        """process the prediction results
 
         Args:
-            input (Dict[str, Any]): the preprocessed data
+            inputs (Dict[str, Any]): _description_
 
         Returns:
-            Dict[str, np.ndarray]: results
-                Example:
-                    {
-                        'predictions': array([1]), # lable 0-negative 1-positive
-                        'probabilities': array([[0.11491239, 0.8850876 ]], dtype=float32),
-                        'logits': array([[-0.53860897,  1.5029076 ]], dtype=float32) # true value
-                    }
+            Dict[str, str]: the prediction results
         """
-        from numpy import array, float32
-
-        return {
-            'predictions': array([1]),  # lable 0-negative 1-positive
-            'probabilities': array([[0.11491239, 0.8850876]], dtype=float32),
-            'logits': array([[-0.53860897, 1.5029076]],
-                            dtype=float32)  # true value
-        }
+
+        vocab_size = len(self.tokenizer.vocab)
+        pred_list = inputs['predictions']
+        pred_ids = pred_list[0][0].cpu().numpy().tolist()
+        for j in range(len(pred_ids)):
+            if pred_ids[j] >= vocab_size:
+                pred_ids[j] = 100
+        pred = self.tokenizer.convert_ids_to_tokens(pred_ids)
+        pred_string = ''.join(pred).replace(
+            '##',
+            '').split('[SEP]')[0].replace('[CLS]',
+                                          '').replace('[SEP]',
+                                                      '').replace('[UNK]', '')
+        return {'pred_string': pred_string}

maas_lib/preprocessors/__init__.py

@@ -5,3 +5,4 @@ from .builder import PREPROCESSORS, build_preprocessor
 from .common import Compose
 from .image import LoadImage, load_image
 from .nlp import *  # noqa F403
+from .space.dialog_generation_preprcessor import *  # noqa F403

maas_lib/preprocessors/nlp.py

@@ -11,8 +11,8 @@ from .base import Preprocessor
 from .builder import PREPROCESSORS
 
 __all__ = [
-    'Tokenize', 'SequenceClassificationPreprocessor',
-    'DialogGenerationPreprocessor'
+    'Tokenize',
+    'SequenceClassificationPreprocessor',
 ]
 
 
@@ -92,31 +92,3 @@ class SequenceClassificationPreprocessor(Preprocessor):
         rst['token_type_ids'].append(feature['token_type_ids'])
 
         return rst
-
-
-@PREPROCESSORS.register_module(Fields.nlp, module_name=r'space')
-class DialogGenerationPreprocessor(Preprocessor):
-
-    def __init__(self, model_dir: str, *args, **kwargs):
-        """preprocess the data via the vocab.txt from the `model_dir` path
-
-        Args:
-            model_dir (str): model path
-        """
-        super().__init__(*args, **kwargs)
-
-        pass
-
-    @type_assert(object, str)
-    def __call__(self, data: str) -> Dict[str, Any]:
-        """process the raw input data
-
-        Args:
-            data (str): a sentence
-                Example:
-                    'you are so handsome.'
-
-        Returns:
-            Dict[str, Any]: the preprocessed data
-        """
-        return None

maas_lib/preprocessors/space/dialog_generation_preprcessor.py

@@ -0,0 +1,48 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
+import os
+import uuid
+from typing import Any, Dict, Union
+
+from maas_lib.data.nlp.space.fields.gen_field import MultiWOZBPETextField
+from maas_lib.utils.constant import Fields, InputFields
+from maas_lib.utils.type_assert import type_assert
+from ..base import Preprocessor
+from ..builder import PREPROCESSORS
+
+__all__ = ['DialogGenerationPreprocessor']
+
+
+@PREPROCESSORS.register_module(Fields.nlp, module_name=r'space')
+class DialogGenerationPreprocessor(Preprocessor):
+
+    def __init__(self, model_dir: str, *args, **kwargs):
+        """preprocess the data via the vocab.txt from the `model_dir` path
+
+        Args:
+            model_dir (str): model path
+        """
+        super().__init__(*args, **kwargs)
+
+        self.model_dir: str = model_dir
+
+        self.text_field = MultiWOZBPETextField(model_dir=self.model_dir)
+
+        pass
+
+    @type_assert(object, str)
+    def __call__(self, data: str) -> Dict[str, Any]:
+        """process the raw input data
+
+        Args:
+            data (str): a sentence
+                Example:
+                    'you are so handsome.'
+
+        Returns:
+            Dict[str, Any]: the preprocessed data
+        """
+
+        idx = self.text_field.get_ids(data)
+
+        return {'user_idx': idx}

maas_lib/utils/nlp/space/args.py

@@ -0,0 +1,66 @@
+"""
+Parse argument.
+"""
+
+import argparse
+
+import json
+
+
+def str2bool(v):
+    if v.lower() in ('yes', 'true', 't', 'y', '1'):
+        return True
+    elif v.lower() in ('no', 'false', 'f', 'n', '0'):
+        return False
+    else:
+        raise argparse.ArgumentTypeError('Unsupported value encountered.')
+
+
+class HParams(dict):
+    """ Hyper-parameters class
+
+    Store hyper-parameters in training / infer / ... scripts.
+    """
+
+    def __getattr__(self, name):
+        if name in self.keys():
+            return self[name]
+        for v in self.values():
+            if isinstance(v, HParams):
+                if name in v:
+                    return v[name]
+        raise AttributeError(f"'HParams' object has no attribute '{name}'")
+
+    def __setattr__(self, name, value):
+        self[name] = value
+
+    def save(self, filename):
+        with open(filename, 'w', encoding='utf-8') as fp:
+            json.dump(self, fp, ensure_ascii=False, indent=4, sort_keys=False)
+
+    def load(self, filename):
+        with open(filename, 'r', encoding='utf-8') as fp:
+            params_dict = json.load(fp)
+        for k, v in params_dict.items():
+            if isinstance(v, dict):
+                self[k].update(HParams(v))
+            else:
+                self[k] = v
+
+
+def parse_args(parser):
+    """ Parse hyper-parameters from cmdline. """
+    parsed = parser.parse_args()
+    args = HParams()
+    optional_args = parser._action_groups[1]
+    for action in optional_args._group_actions[1:]:
+        arg_name = action.dest
+        args[arg_name] = getattr(parsed, arg_name)
+    for group in parser._action_groups[2:]:
+        group_args = HParams()
+        for action in group._group_actions:
+            arg_name = action.dest
+            group_args[arg_name] = getattr(parsed, arg_name)
+        if len(group_args) > 0:
+            args[group.title] = group_args
+    return args

maas_lib/utils/nlp/space/db_ops.py

@@ -0,0 +1,316 @@
+import os
+import random
+import sqlite3
+
+import json
+
+from .ontology import all_domains, db_domains
+
+
+class MultiWozDB(object):
+
+    def __init__(self, db_dir, db_paths):
+        self.dbs = {}
+        self.sql_dbs = {}
+        for domain in all_domains:
+            with open(os.path.join(db_dir, db_paths[domain]), 'r') as f:
+                self.dbs[domain] = json.loads(f.read().lower())
+
+    def oneHotVector(self, domain, num):
+        """Return number of available entities for particular domain."""
+        vector = [0, 0, 0, 0]
+        if num == '':
+            return vector
+        if domain != 'train':
+            if num == 0:
+                vector = [1, 0, 0, 0]
+            elif num == 1:
+                vector = [0, 1, 0, 0]
+            elif num <= 3:
+                vector = [0, 0, 1, 0]
+            else:
+                vector = [0, 0, 0, 1]
+        else:
+            if num == 0:
+                vector = [1, 0, 0, 0]
+            elif num <= 5:
+                vector = [0, 1, 0, 0]
+            elif num <= 10:
+                vector = [0, 0, 1, 0]
+            else:
+                vector = [0, 0, 0, 1]
+        return vector
+
+    def addBookingPointer(self, turn_da):
+        """Add information about availability of the booking option."""
+        # Booking pointer
+        # Do not consider booking two things in a single turn.
+        vector = [0, 0]
+        if turn_da.get('booking-nobook'):
+            vector = [1, 0]
+        if turn_da.get('booking-book') or turn_da.get('train-offerbooked'):
+            vector = [0, 1]
+        return vector
+
+    def addDBPointer(self, domain, match_num, return_num=False):
+        """Create database pointer for all related domains."""
+        # if turn_domains is None:
+        #     turn_domains = db_domains
+        if domain in db_domains:
+            vector = self.oneHotVector(domain, match_num)
+        else:
+            vector = [0, 0, 0, 0]
+        return vector
+
+    def addDBIndicator(self, domain, match_num, return_num=False):
+        """Create database indicator for all related domains."""
+        # if turn_domains is None:
+        #     turn_domains = db_domains
+        if domain in db_domains:
+            vector = self.oneHotVector(domain, match_num)
+        else:
+            vector = [0, 0, 0, 0]
+
+        # '[db_nores]', '[db_0]', '[db_1]', '[db_2]', '[db_3]'
+        if vector == [0, 0, 0, 0]:
+            indicator = '[db_nores]'
+        else:
+            indicator = '[db_%s]' % vector.index(1)
+        return indicator
+
+    def get_match_num(self, constraints, return_entry=False):
+        """Create database pointer for all related domains."""
+        match = {'general': ''}
+        entry = {}
+        # if turn_domains is None:
+        #     turn_domains = db_domains
+        for domain in all_domains:
+            match[domain] = ''
+            if domain in db_domains and constraints.get(domain):
+                matched_ents = self.queryJsons(domain, constraints[domain])
+                match[domain] = len(matched_ents)
+                if return_entry:
+                    entry[domain] = matched_ents
+        if return_entry:
+            return entry
+        return match
+
+    def pointerBack(self, vector, domain):
+        # multi domain implementation
+        # domnum = cfg.domain_num
+        if domain.endswith(']'):
+            domain = domain[1:-1]
+        if domain != 'train':
+            nummap = {0: '0', 1: '1', 2: '2-3', 3: '>3'}
+        else:
+            nummap = {0: '0', 1: '1-5', 2: '6-10', 3: '>10'}
+        if vector[:4] == [0, 0, 0, 0]:
+            report = ''
+        else:
+            num = vector.index(1)
+            report = domain + ': ' + nummap[num] + '; '
+
+        if vector[-2] == 0 and vector[-1] == 1:
+            report += 'booking: ok'
+        if vector[-2] == 1 and vector[-1] == 0:
+            report += 'booking: unable'
+
+        return report
+
+    def queryJsons(self,
+                   domain,
+                   constraints,
+                   exactly_match=True,
+                   return_name=False):
+        """Returns the list of entities for a given domain
+        based on the annotation of the belief state
+        constraints: dict e.g. {'pricerange': 'cheap', 'area': 'west'}
+        """
+        # query the db
+        if domain == 'taxi':
+            return [{
+                'taxi_colors':
+                random.choice(self.dbs[domain]['taxi_colors']),
+                'taxi_types':
+                random.choice(self.dbs[domain]['taxi_types']),
+                'taxi_phone': [random.randint(1, 9) for _ in range(10)]
+            }]
+        if domain == 'police':
+            return self.dbs['police']
+        if domain == 'hospital':
+            if constraints.get('department'):
+                for entry in self.dbs['hospital']:
+                    if entry.get('department') == constraints.get(
+                            'department'):
+                        return [entry]
+            else:
+                return []
+
+        valid_cons = False
+        for v in constraints.values():
+            if v not in ['not mentioned', '']:
+                valid_cons = True
+        if not valid_cons:
+            return []
+
+        match_result = []
+
+        if 'name' in constraints:
+            for db_ent in self.dbs[domain]:
+                if 'name' in db_ent:
+                    cons = constraints['name']
+                    dbn = db_ent['name']
+                    if cons == dbn:
+                        db_ent = db_ent if not return_name else db_ent['name']
+                        match_result.append(db_ent)
+                        return match_result
+
+        for db_ent in self.dbs[domain]:
+            match = True
+            for s, v in constraints.items():
+                if s == 'name':
+                    continue
+                if s in ['people', 'stay'] or (domain == 'hotel' and s == 'day') or \
+                        (domain == 'restaurant' and s in ['day', 'time']):
+                    # 因为这些inform slot属于book info，而数据库中没有这些slot；
+                    # 能否book是根据user goal中的信息判断，而非通过数据库查询；
+                    continue
+
+                skip_case = {
+                    "don't care": 1,
+                    "do n't care": 1,
+                    'dont care': 1,
+                    'not mentioned': 1,
+                    'dontcare': 1,
+                    '': 1
+                }
+                if skip_case.get(v):
+                    continue
+
+                if s not in db_ent:
+                    # logging.warning('Searching warning: slot %s not in %s db'%(s, domain))
+                    match = False
+                    break
+
+                # v = 'guesthouse' if v == 'guest house' else v
+                # v = 'swimmingpool' if v == 'swimming pool' else v
+                v = 'yes' if v == 'free' else v
+
+                if s in ['arrive', 'leave']:
+                    try:
+                        h, m = v.split(
+                            ':'
+                        )  # raise error if time value is not xx:xx format
+                        v = int(h) * 60 + int(m)
+                    except:
+                        match = False
+                        break
+                    time = int(db_ent[s].split(':')[0]) * 60 + int(
+                        db_ent[s].split(':')[1])
+                    if s == 'arrive' and v > time:
+                        match = False
+                    if s == 'leave' and v < time:
+                        match = False
+                else:
+                    if exactly_match and v != db_ent[s]:
+                        match = False
+                        break
+                    elif v not in db_ent[s]:
+                        match = False
+                        break
+
+            if match:
+                match_result.append(db_ent)
+
+        if not return_name:
+            return match_result
+        else:
+            if domain == 'train':
+                match_result = [e['id'] for e in match_result]
+            else:
+                match_result = [e['name'] for e in match_result]
+            return match_result
+
+    def querySQL(self, domain, constraints):
+        if not self.sql_dbs:
+            for dom in db_domains:
+                db = 'db/{}-dbase.db'.format(dom)
+                conn = sqlite3.connect(db)
+                c = conn.cursor()
+                self.sql_dbs[dom] = c
+
+        sql_query = 'select * from {}'.format(domain)
+
+        flag = True
+        for key, val in constraints.items():
+            if val == '' or val == 'dontcare' or val == 'not mentioned' or val == "don't care" or val == 'dont care' or val == "do n't care":
+                pass
+            else:
+                if flag:
+                    sql_query += ' where '
+                    val2 = val.replace("'", "''")
+                    # val2 = normalize(val2)
+                    if key == 'leaveAt':
+                        sql_query += r' ' + key + ' > ' + r"'" + val2 + r"'"
+                    elif key == 'arriveBy':
+                        sql_query += r' ' + key + ' < ' + r"'" + val2 + r"'"
+                    else:
+                        sql_query += r' ' + key + '=' + r"'" + val2 + r"'"
+                    flag = False
+                else:
+                    val2 = val.replace("'", "''")
+                    # val2 = normalize(val2)
+                    if key == 'leaveAt':
+                        sql_query += r' and ' + key + ' > ' + r"'" + val2 + r"'"
+                    elif key == 'arriveBy':
+                        sql_query += r' and ' + key + ' < ' + r"'" + val2 + r"'"
+                    else:
+                        sql_query += r' and ' + key + '=' + r"'" + val2 + r"'"
+
+        try:  # "select * from attraction  where name = 'queens college'"
+            print(sql_query)
+            return self.sql_dbs[domain].execute(sql_query).fetchall()
+        except:
+            return []  # TODO test it
+
+
+if __name__ == '__main__':
+    dbPATHs = {
+        'attraction': 'db/attraction_db_processed.json',
+        'hospital': 'db/hospital_db_processed.json',
+        'hotel': 'db/hotel_db_processed.json',
+        'police': 'db/police_db_processed.json',
+        'restaurant': 'db/restaurant_db_processed.json',
+        'taxi': 'db/taxi_db_processed.json',
+        'train': 'db/train_db_processed.json',
+    }
+    db = MultiWozDB(dbPATHs)
+    while True:
+        constraints = {}
+        inp = input(
+            'input belief state in fomat: domain-slot1=value1;slot2=value2...\n'
+        )
+        domain, cons = inp.split('-')
+        for sv in cons.split(';'):
+            s, v = sv.split('=')
+            constraints[s] = v
+        # res = db.querySQL(domain, constraints)
+        res = db.queryJsons(domain, constraints, return_name=True)
+        report = []
+        reidx = {
+            'hotel': 8,
+            'restaurant': 6,
+            'attraction': 5,
+            'train': 1,
+        }
+        # for ent in res:
+        #     if reidx.get(domain):
+        #         report.append(ent[reidx[domain]])
+        # for ent in res:
+        #     if 'name' in ent:
+        #         report.append(ent['name'])
+        #     if 'trainid' in ent:
+        #         report.append(ent['trainid'])
+        print(constraints)
+        print(res)
+        print('count:', len(res), '\nnames:', report)

maas_lib/utils/nlp/space/ontology.py

@@ -0,0 +1,210 @@
+all_domains = [
+    'restaurant', 'hotel', 'attraction', 'train', 'taxi', 'police', 'hospital'
+]
+db_domains = ['restaurant', 'hotel', 'attraction', 'train']
+
+normlize_slot_names = {
+    'car type': 'car',
+    'entrance fee': 'price',
+    'duration': 'time',
+    'leaveat': 'leave',
+    'arriveby': 'arrive',
+    'trainid': 'id'
+}
+
+requestable_slots = {
+    'taxi': ['car', 'phone'],
+    'police': ['postcode', 'address', 'phone'],
+    'hospital': ['address', 'phone', 'postcode'],
+    'hotel': [
+        'address', 'postcode', 'internet', 'phone', 'parking', 'type',
+        'pricerange', 'stars', 'area', 'reference'
+    ],
+    'attraction':
+    ['price', 'type', 'address', 'postcode', 'phone', 'area', 'reference'],
+    'train': ['time', 'leave', 'price', 'arrive', 'id', 'reference'],
+    'restaurant': [
+        'phone', 'postcode', 'address', 'pricerange', 'food', 'area',
+        'reference'
+    ]
+}
+all_reqslot = [
+    'car', 'address', 'postcode', 'phone', 'internet', 'parking', 'type',
+    'pricerange', 'food', 'stars', 'area', 'reference', 'time', 'leave',
+    'price', 'arrive', 'id'
+]
+
+informable_slots = {
+    'taxi': ['leave', 'destination', 'departure', 'arrive'],
+    'police': [],
+    'hospital': ['department'],
+    'hotel': [
+        'type', 'parking', 'pricerange', 'internet', 'stay', 'day', 'people',
+        'area', 'stars', 'name'
+    ],
+    'attraction': ['area', 'type', 'name'],
+    'train': ['destination', 'day', 'arrive', 'departure', 'people', 'leave'],
+    'restaurant':
+    ['food', 'pricerange', 'area', 'name', 'time', 'day', 'people']
+}
+all_infslot = [
+    'type', 'parking', 'pricerange', 'internet', 'stay', 'day', 'people',
+    'area', 'stars', 'name', 'leave', 'destination', 'departure', 'arrive',
+    'department', 'food', 'time'
+]
+
+all_slots = all_reqslot + [
+    'stay', 'day', 'people', 'name', 'destination', 'departure', 'department'
+]
+get_slot = {}
+for s in all_slots:
+    get_slot[s] = 1
+
+# mapping slots in dialogue act to original goal slot names
+da_abbr_to_slot_name = {
+    'addr': 'address',
+    'fee': 'price',
+    'post': 'postcode',
+    'ref': 'reference',
+    'ticket': 'price',
+    'depart': 'departure',
+    'dest': 'destination',
+}
+
+dialog_acts = {
+    'restaurant': [
+        'inform', 'request', 'nooffer', 'recommend', 'select', 'offerbook',
+        'offerbooked', 'nobook'
+    ],
+    'hotel': [
+        'inform', 'request', 'nooffer', 'recommend', 'select', 'offerbook',
+        'offerbooked', 'nobook'
+    ],
+    'attraction': ['inform', 'request', 'nooffer', 'recommend', 'select'],
+    'train':
+    ['inform', 'request', 'nooffer', 'offerbook', 'offerbooked', 'select'],
+    'taxi': ['inform', 'request'],
+    'police': ['inform', 'request'],
+    'hospital': ['inform', 'request'],
+    # 'booking': ['book', 'inform', 'nobook', 'request'],
+    'general': ['bye', 'greet', 'reqmore', 'welcome'],
+}
+all_acts = []
+for acts in dialog_acts.values():
+    for act in acts:
+        if act not in all_acts:
+            all_acts.append(act)
+
+dialog_act_params = {
+    'inform': all_slots + ['choice', 'open'],
+    'request': all_infslot + ['choice', 'price'],
+    'nooffer': all_slots + ['choice'],
+    'recommend': all_reqslot + ['choice', 'open'],
+    'select': all_slots + ['choice'],
+    # 'book': ['time', 'people', 'stay', 'reference', 'day', 'name', 'choice'],
+    'nobook': ['time', 'people', 'stay', 'reference', 'day', 'name', 'choice'],
+    'offerbook': all_slots + ['choice'],
+    'offerbooked': all_slots + ['choice'],
+    'reqmore': [],
+    'welcome': [],
+    'bye': [],
+    'greet': [],
+}
+
+dialog_act_all_slots = all_slots + ['choice', 'open']
+
+# special slot tokens in belief span
+# no need of this, just covert slot to [slot] e.g. pricerange -> [pricerange]
+slot_name_to_slot_token = {}
+
+# special slot tokens in responses
+# not use at the momoent
+slot_name_to_value_token = {
+    # 'entrance fee': '[value_price]',
+    # 'pricerange': '[value_price]',
+    # 'arriveby': '[value_time]',
+    # 'leaveat': '[value_time]',
+    # 'departure': '[value_place]',
+    # 'destination': '[value_place]',
+    # 'stay': 'count',
+    # 'people': 'count'
+}
+
+# eos tokens definition
+eos_tokens = {
+    'user': '<eos_u>',
+    'user_delex': '<eos_u>',
+    'resp': '<eos_r>',
+    'resp_gen': '<eos_r>',
+    'pv_resp': '<eos_r>',
+    'bspn': '<eos_b>',
+    'bspn_gen': '<eos_b>',
+    'pv_bspn': '<eos_b>',
+    'bsdx': '<eos_b>',
+    'bsdx_gen': '<eos_b>',
+    'pv_bsdx': '<eos_b>',
+    'qspn': '<eos_q>',
+    'qspn_gen': '<eos_q>',
+    'pv_qspn': '<eos_q>',
+    'aspn': '<eos_a>',
+    'aspn_gen': '<eos_a>',
+    'pv_aspn': '<eos_a>',
+    'dspn': '<eos_d>',
+    'dspn_gen': '<eos_d>',
+    'pv_dspn': '<eos_d>'
+}
+
+# sos tokens definition
+sos_tokens = {
+    'user': '<sos_u>',
+    'user_delex': '<sos_u>',
+    'resp': '<sos_r>',
+    'resp_gen': '<sos_r>',
+    'pv_resp': '<sos_r>',
+    'bspn': '<sos_b>',
+    'bspn_gen': '<sos_b>',
+    'pv_bspn': '<sos_b>',
+    'bsdx': '<sos_b>',
+    'bsdx_gen': '<sos_b>',
+    'pv_bsdx': '<sos_b>',
+    'qspn': '<sos_q>',
+    'qspn_gen': '<sos_q>',
+    'pv_qspn': '<sos_q>',
+    'aspn': '<sos_a>',
+    'aspn_gen': '<sos_a>',
+    'pv_aspn': '<sos_a>',
+    'dspn': '<sos_d>',
+    'dspn_gen': '<sos_d>',
+    'pv_dspn': '<sos_d>'
+}
+
+# db tokens definition
+db_tokens = [
+    '<sos_db>', '<eos_db>', '[book_nores]', '[book_fail]', '[book_success]',
+    '[db_nores]', '[db_0]', '[db_1]', '[db_2]', '[db_3]'
+]
+
+
+# understand tokens definition
+def get_understand_tokens(prompt_num_for_understand):
+    understand_tokens = []
+    for i in range(prompt_num_for_understand):
+        understand_tokens.append(f'<understand_{i}>')
+    return understand_tokens
+
+
+# policy tokens definition
+def get_policy_tokens(prompt_num_for_policy):
+    policy_tokens = []
+    for i in range(prompt_num_for_policy):
+        policy_tokens.append(f'<policy_{i}>')
+    return policy_tokens
+
+
+# all special tokens definition
+def get_special_tokens(other_tokens):
+    special_tokens = ['<go_r>', '<go_b>', '<go_a>', '<go_d>',
+                      '<eos_u>', '<eos_r>', '<eos_b>', '<eos_a>', '<eos_d>', '<eos_q>',
+                      '<sos_u>', '<sos_r>', '<sos_b>', '<sos_a>', '<sos_d>', '<sos_q>'] \
+                     + db_tokens + other_tokens
+    return special_tokens

maas_lib/utils/nlp/space/scores.py

@@ -0,0 +1,6 @@
+def hierarchical_set_score(frame1, frame2):
+    # deal with empty frame
+    if not (frame1 and frame2):
+        return 0.
+    pass
+    return 0.

maas_lib/utils/nlp/space/utils.py

@@ -0,0 +1,180 @@
+import logging
+from collections import OrderedDict
+
+import json
+import numpy as np
+
+from . import ontology
+
+
+def clean_replace(s, r, t, forward=True, backward=False):
+
+    def clean_replace_single(s, r, t, forward, backward, sidx=0):
+        # idx = s[sidx:].find(r)
+        idx = s.find(r)
+        if idx == -1:
+            return s, -1
+        idx_r = idx + len(r)
+        if backward:
+            while idx > 0 and s[idx - 1]:
+                idx -= 1
+        elif idx > 0 and s[idx - 1] != ' ':
+            return s, -1
+
+        if forward:
+            while idx_r < len(s) and (s[idx_r].isalpha()
+                                      or s[idx_r].isdigit()):
+                idx_r += 1
+        elif idx_r != len(s) and (s[idx_r].isalpha() or s[idx_r].isdigit()):
+            return s, -1
+        return s[:idx] + t + s[idx_r:], idx_r
+
+    # source, replace, target = s, r, t
+    # count = 0
+    sidx = 0
+    while sidx != -1:
+        s, sidx = clean_replace_single(s, r, t, forward, backward, sidx)
+        # count += 1
+        # print(s, sidx)
+        # if count == 20:
+        #     print(source, '\n', replace, '\n', target)
+        #     quit()
+    return s
+
+
+def py2np(list):
+    return np.array(list)
+
+
+def write_dict(fn, dic):
+    with open(fn, 'w') as f:
+        json.dump(dic, f, indent=2)
+
+
+def f1_score(label_list, pred_list):
+    tp = len([t for t in pred_list if t in label_list])
+    fp = max(0, len(pred_list) - tp)
+    fn = max(0, len(label_list) - tp)
+    precision = tp / (tp + fp + 1e-10)
+    recall = tp / (tp + fn + 1e-10)
+    f1 = 2 * precision * recall / (precision + recall + 1e-10)
+    return f1
+
+
+class MultiWOZVocab(object):
+
+    def __init__(self, vocab_size=0):
+        """
+        vocab for multiwoz dataset
+        """
+        self.vocab_size = vocab_size
+        self.vocab_size_oov = 0  # get after construction
+        self._idx2word = {}  # word + oov
+        self._word2idx = {}  # word
+        self._freq_dict = {}  # word + oov
+        for w in [
+                '[PAD]', '<go_r>', '[UNK]', '<go_b>', '<go_a>', '<eos_u>',
+                '<eos_r>', '<eos_b>', '<eos_a>', '<go_d>', '<eos_d>'
+        ]:
+            self._absolute_add_word(w)
+
+    def _absolute_add_word(self, w):
+        idx = len(self._idx2word)
+        self._idx2word[idx] = w
+        self._word2idx[w] = idx
+
+    def add_word(self, word):
+        if word not in self._freq_dict:
+            self._freq_dict[word] = 0
+        self._freq_dict[word] += 1
+
+    def has_word(self, word):
+        return self._freq_dict.get(word)
+
+    def _add_to_vocab(self, word):
+        if word not in self._word2idx:
+            idx = len(self._idx2word)
+            self._idx2word[idx] = word
+            self._word2idx[word] = idx
+
+    def construct(self):
+        l = sorted(self._freq_dict.keys(), key=lambda x: -self._freq_dict[x])
+        print('Vocabulary size including oov: %d' %
+              (len(l) + len(self._idx2word)))
+        if len(l) + len(self._idx2word) < self.vocab_size:
+            logging.warning(
+                'actual label set smaller than that configured: {}/{}'.format(
+                    len(l) + len(self._idx2word), self.vocab_size))
+        for word in ontology.all_domains + ['general']:
+            word = '[' + word + ']'
+            self._add_to_vocab(word)
+        for word in ontology.all_acts:
+            word = '[' + word + ']'
+            self._add_to_vocab(word)
+        for word in ontology.all_slots:
+            self._add_to_vocab(word)
+        for word in l:
+            if word.startswith('[value_') and word.endswith(']'):
+                self._add_to_vocab(word)
+        for word in l:
+            self._add_to_vocab(word)
+        self.vocab_size_oov = len(self._idx2word)
+
+    def load_vocab(self, vocab_path):
+        self._freq_dict = json.loads(
+            open(vocab_path + '.freq.json', 'r').read())
+        self._word2idx = json.loads(
+            open(vocab_path + '.word2idx.json', 'r').read())
+        self._idx2word = {}
+        for w, idx in self._word2idx.items():
+            self._idx2word[idx] = w
+        self.vocab_size_oov = len(self._idx2word)
+        print('vocab file loaded from "' + vocab_path + '"')
+        print('Vocabulary size including oov: %d' % (self.vocab_size_oov))
+
+    def save_vocab(self, vocab_path):
+        _freq_dict = OrderedDict(
+            sorted(
+                self._freq_dict.items(), key=lambda kv: kv[1], reverse=True))
+        write_dict(vocab_path + '.word2idx.json', self._word2idx)
+        write_dict(vocab_path + '.freq.json', _freq_dict)
+
+    def encode(self, word, include_oov=True):
+        if include_oov:
+            if self._word2idx.get(word, None) is None:
+                raise ValueError(
+                    'Unknown word: %s. Vocabulary should include oovs here.' %
+                    word)
+            return self._word2idx[word]
+        else:
+            word = '<unk>' if word not in self._word2idx else word
+            return self._word2idx[word]
+
+    def sentence_encode(self, word_list):
+        return [self.encode(_) for _ in word_list]
+
+    def oov_idx_map(self, idx):
+        return 2 if idx > self.vocab_size else idx
+
+    def sentence_oov_map(self, index_list):
+        return [self.oov_idx_map(_) for _ in index_list]
+
+    def decode(self, idx, indicate_oov=False):
+        if not self._idx2word.get(idx):
+            raise ValueError(
+                'Error idx: %d. Vocabulary should include oovs here.' % idx)
+        if not indicate_oov or idx < self.vocab_size:
+            return self._idx2word[idx]
+        else:
+            return self._idx2word[idx] + '(o)'
+
+    def sentence_decode(self, index_list, eos=None, indicate_oov=False):
+        l = [self.decode(_, indicate_oov) for _ in index_list]
+        if not eos or eos not in l:
+            return ' '.join(l)
+        else:
+            idx = l.index(eos)
+            return ' '.join(l[:idx])
+
+    def nl_decode(self, l, eos=None):
+        return [self.sentence_decode(_, eos) + '\n' for _ in l]

requirements/nlp/space.txt

@@ -0,0 +1,2 @@
+spacy==2.3.5
+# python -m spacy download en_core_web_sm

tests/case/nlp/dialog_generation_case.py

@@ -0,0 +1,76 @@
+test_case = {
+    'sng0073': {
+        'goal': {
+            'taxi': {
+                'info': {
+                    'leaveat': '17:15',
+                    'destination': 'pizza hut fen ditton',
+                    'departure': "saint john's college"
+                },
+                'reqt': ['car', 'phone'],
+                'fail_info': {}
+            }
+        },
+        'log': [{
+            'user':
+            "i would like a taxi from saint john 's college to pizza hut fen ditton .",
+            'user_delex':
+            'i would like a taxi from [value_departure] to [value_destination] .',
+            'resp':
+            'what time do you want to leave and what time do you want to arrive by ?',
+            'sys':
+            'what time do you want to leave and what time do you want to arrive by ?',
+            'pointer': '0,0,0,0,0,0',
+            'match': '',
+            'constraint':
+            "[taxi] destination pizza hut fen ditton departure saint john 's college",
+            'cons_delex': '[taxi] destination departure',
+            'sys_act': '[taxi] [request] leave arrive',
+            'turn_num': 0,
+            'turn_domain': '[taxi]'
+        }, {
+            'user': 'i want to leave after 17:15 .',
+            'user_delex': 'i want to leave after [value_leave] .',
+            'resp':
+            'booking completed ! your taxi will be [value_car] contact number is [value_phone]',
+            'sys':
+            'booking completed ! your taxi will be blue honda contact number is 07218068540',
+            'pointer': '0,0,0,0,0,0',
+            'match': '',
+            'constraint':
+            "[taxi] destination pizza hut fen ditton departure saint john 's college leave 17:15",
+            'cons_delex': '[taxi] destination departure leave',
+            'sys_act': '[taxi] [inform] car phone',
+            'turn_num': 1,
+            'turn_domain': '[taxi]'
+        }, {
+            'user': 'thank you for all the help ! i appreciate it .',
+            'user_delex': 'thank you for all the help ! i appreciate it .',
+            'resp':
+            'you are welcome . is there anything else i can help you with today ?',
+            'sys':
+            'you are welcome . is there anything else i can help you with today ?',
+            'pointer': '0,0,0,0,0,0',
+            'match': '',
+            'constraint':
+            "[taxi] destination pizza hut fen ditton departure saint john 's college leave 17:15",
+            'cons_delex': '[taxi] destination departure leave',
+            'sys_act': '[general] [reqmore]',
+            'turn_num': 2,
+            'turn_domain': '[general]'
+        }, {
+            'user': 'no , i am all set . have a nice day . bye .',
+            'user_delex': 'no , i am all set . have a nice day . bye .',
+            'resp': 'you too ! thank you',
+            'sys': 'you too ! thank you',
+            'pointer': '0,0,0,0,0,0',
+            'match': '',
+            'constraint':
+            "[taxi] destination pizza hut fen ditton departure saint john 's college leave 17:15",
+            'cons_delex': '[taxi] destination departure leave',
+            'sys_act': '[general] [bye]',
+            'turn_num': 3,
+            'turn_domain': '[general]'
+        }]
+    }
+}

tests/pipelines/nlp/test_dialog_generation.py

@@ -37,30 +37,31 @@ dialog_case = [{
 }]
 
 
+def merge(info, result):
+    return info
+
+
 class DialogGenerationTest(unittest.TestCase):
 
     def test_run(self):
-        for item in dialog_case:
-            q = item['user']
-            a = item['sys']
-            print('user:{}'.format(q))
-            print('sys:{}'.format(a))
 
-        # preprocessor = DialogGenerationPreprocessor()
-        # # data = DialogGenerationData()
-        # model = DialogGenerationModel(path, preprocessor.tokenizer)
-        # pipeline = DialogGenerationPipeline(model, preprocessor)
-        #
-        # history_dialog = []
-        # for item in dialog_case:
-        #     user_question = item['user']
-        #     print('user: {}'.format(user_question))
-        #
-        # pipeline(user_question)
-        #
-        # sys_answer, history_dialog = pipeline()
-        #
-        # print('sys : {}'.format(sys_answer))
+        modeldir = '/Users/yangliu/Desktop/space-dialog-generation'
+
+        preprocessor = DialogGenerationPreprocessor()
+        model = DialogGenerationModel(
+            model_dir=modeldir, preprocessor.tokenizer)
+        pipeline = DialogGenerationPipeline(model, preprocessor)
+
+        history_dialog = {}
+        for step in range(0, len(dialog_case)):
+            user_question = dialog_case[step]['user']
+            print('user: {}'.format(user_question))
+
+            history_dialog_info = merge(history_dialog_info,
+                                        result) if step > 0 else {}
+            result = pipeline(user_question, history=history_dialog_info)
+
+            print('sys : {}'.format(result['pred_answer']))
 
 
 if __name__ == '__main__':

tests/preprocessors/nlp/test_dialog_generation.py

@@ -0,0 +1,25 @@
+# Copyright (c) Alibaba, Inc. and its affiliates.
+
+import unittest
+
+from tests.case.nlp.dialog_generation_case import test_case
+
+from maas_lib.preprocessors import DialogGenerationPreprocessor
+from maas_lib.utils.constant import Fields, InputFields
+from maas_lib.utils.logger import get_logger
+
+logger = get_logger()
+
+
+class DialogGenerationPreprocessorTest(unittest.TestCase):
+
+    def test_tokenize(self):
+        modeldir = '/Users/yangliu/Desktop/space-dialog-generation'
+        processor = DialogGenerationPreprocessor(model_dir=modeldir)
+
+        for item in test_case['sng0073']['log']:
+            print(processor(item['user']))
+
+
+if __name__ == '__main__':
+    unittest.main()