Exemplo n.º 1
0
 def __init__(self):
     self.offensive_lang_detector = OffensiveStringMatcher()
     self.possible_violation_types = [
         'min_words',
         'penalize_greetings',
         'all_caps',
         'exact_match',
         'safety',
     ]
def detect(opt, printargs=None, print_parser=None):
    """
    Checks a task for offensive language.
    """
    if print_parser is not None:
        if print_parser is True and isinstance(opt, ParlaiParser):
            print_parser = opt
        elif print_parser is False:
            print_parser = None
    random.seed(42)

    # Create model and assign it to the specified task
    agent = create_agent(opt, requireModelExists=True)
    world = create_task(opt, agent)
    bad = OffensiveStringMatcher()

    if print_parser:
        # Show arguments after loading model
        print_parser.opt = agent.opt
        print_parser.print_args()
    log_every_n_secs = opt.get('log_every_n_secs', -1)
    if log_every_n_secs <= 0:
        log_every_n_secs = float('inf')
    log_time = TimeLogger()

    # Show some example dialogs:
    cnt = 0
    while not world.epoch_done():
        world.parley()
        words = []
        for a in world.acts:
            offensive = bad.contains_offensive_language(a.get('text', ''))
            if offensive:
                words.append(offensive)
            labels = a.get('labels', a.get('eval_labels', ''))
            for l in labels:
                offensive = bad.contains_offensive_language(l)
                if offensive:
                    words.append(offensive)
        if len(words) > 0 and opt['display_examples']:
            print(world.display())
            print("[Offensive words detected:]", ', '.join(words))
            print("\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n")
        cnt += len(words)
        if log_time.time() > log_every_n_secs:
            report = world.report()
            log = {'offenses': cnt}
            text, log = log_time.log(report['exs'], world.num_examples(), log)
            print(text)

    if world.epoch_done():
        print("EPOCH DONE")
    print(
        str(cnt) + " offensive messages found out of " +
        str(world.num_examples()) + " messages.")
    return world.report()
Exemplo n.º 3
0
    def __init__(
        self,
        opt,
        agents=None,
        shared=None,
        world_tag='NONE',
        ir_agent=None,
        task='',
        wiki_title_to_passage=None,
    ):
        self.turn_idx = 0
        self.min_turns = opt['min_turns']
        self.max_turns = opt['max_turns']
        self.num_turns = np.random.randint(self.min_turns, self.max_turns) + 1
        self.dialog = []
        self.wizard_eval = 0
        self.task_type = 'sandbox' if opt['is_sandbox'] else 'live'
        self.chat_done = False
        self.world_tag = world_tag
        self.max_resp_time = opt['max_resp_time']  # in secs
        self.num_passages_to_retrieve = opt['num_passages_retrieved']
        super().__init__(opt, agents, shared)
        self.agents = sorted(agents,
                             key=lambda x: x.id,
                             reverse=random.random() <= 0.5)
        #  Personas and retriever
        self.persona_generator = self.agents[0].persona_generator
        self.relevant_topics = []
        while not self.relevant_topics:
            self.persona_to_topics = {}
            self.persona_idx, persona_data = self.persona_generator.pop_persona(
            )
            for p in persona_data:
                if p[0] == ' ':
                    p = p[1:]
                if p not in self.persona_to_topics:
                    self.persona_to_topics[p] = []
                    topics = set(self.persona_generator.get_topics(p))
                    for t in topics:
                        self.relevant_topics.append(t + ' ({})'.format(p))
                        self.persona_to_topics[p].append(t)

        self.ir_agent = ir_agent
        self.setup_tokenizer(opt)
        self.chosen_topic = ''
        self.chosen_topic_passage = {}
        self.OLD = OffensiveStringMatcher()
        # Load the title to passage dictionary
        self.wiki_title_to_passage = wiki_title_to_passage
    def __init__(self, opt):
        self.second_resp = opt.get('second_response')
        self.examples_idx_stack_path = os.path.join(
            os.getcwd(),
            './{}_examples_stack{}.pkl'.format(
                'second_response' if self.second_resp else 'first_response',
                '_sandbox' if opt['is_sandbox'] else '',
            ),
        )
        self.OLD = OffensiveStringMatcher()
        self.opt = opt
        build_pc(opt)
        build_ic(opt)
        df = 'personality_captions' if not self.second_resp else 'image_chat'
        data_path = os.path.join(self.opt['datapath'], '{}/{}.json')
        self.data = []
        for dt in ['train', 'val', 'test']:
            if self.second_resp and dt == 'val':
                dt = 'valid'
            with open(data_path.format(df, dt)) as f:
                self.data += json.load(f)

        if self.second_resp:
            self.data = [d for d in self.data if len(d['dialog']) > 1]

        if os.path.exists(self.examples_idx_stack_path):
            with open(self.examples_idx_stack_path, 'rb') as handle:
                self.idx_stack = pickle.load(handle)
        else:
            self.idx_stack = []
            self.add_idx_stack()
            self.save_idx_stack()
Exemplo n.º 5
0
 def __init__(self, opt, agents=None, shared=None, world_tag='NONE'):
     self.turn_idx = 0
     self.task_type = 'sandbox' if opt['is_sandbox'] else 'live'
     self.chat_done = False
     self.world_tag = world_tag
     self.max_resp_time = opt['max_resp_time']  # in secs
     super().__init__(opt, agents, shared)
     self.agents = agents
     self.offensive_lang_detector = OffensiveStringMatcher()
     self.agent = agents[0]
     self.data = []
     self.exact_match = False
     self.num_images = opt['num_images']
     self.multiple_personality = opt.get('multiple_personality', False)
     self.eval = 0
     self.data_type = opt['task_type']
     self.task_type_title = TASK_TYPE_TO_TITLE[opt['task_type']]
     self.config = TASK_TYPE_TO_CONFIG[opt['task_type']]
 def __init__(self, opt, agents=None, shared=None, world_tag='NONE'):
     self.turn_idx = 0
     self.task_type = 'sandbox' if opt['is_sandbox'] else 'live'
     self.chat_done = False
     self.world_tag = world_tag
     self.max_resp_time = opt['max_resp_time']  # in secs
     super().__init__(opt, agents, shared)
     self.agents = agents
     self.agent = agents[0]
     self.offensive_lang_detector = OffensiveStringMatcher()
     self.data = []
     self.exact_match = False
     self.num_images = opt['num_images']
     self.second_resp = opt.get('second_response', False)
     self.config = config_first if not self.second_resp else config_second
     if opt.get('yfcc_path'):
         self.image_path = opt['yfcc_path']
     else:
         self.image_path = os.path.join(opt['datapath'], 'yfcc_images')
Exemplo n.º 7
0
    def _init_safety(self, opt):
        """
        Initialize safety modules.
        """
        if opt['safety'] == 'string_matcher' or opt['safety'] == 'all':
            self.offensive_string_matcher = OffensiveStringMatcher()
        if opt['safety'] == 'classifier' or opt['safety'] == 'all':
            self.offensive_classifier = OffensiveLanguageClassifier()

        self.self_offensive = False
Exemplo n.º 8
0
 def _init_safety(self, opt, safety_classifier=None):
     """
     Initialize safety modules.
     """
     if opt['safety'] == 'string_matcher' or opt['safety'] == 'all':
         self.offensive_string_matcher = OffensiveStringMatcher()
     if opt['safety'] == 'classifier' or opt['safety'] == 'all':
         if safety_classifier:
             self.offensive_classifier = safety_classifier
         else:
             self.offensive_classifier = OffensiveLanguageClassifier()
Exemplo n.º 9
0
 def __init__(self, model, device, maxlen):
     super(OffensiveAgent, self).__init__(
         device=device,
         maxlen=maxlen,
         model=None,
         suffix="",
         name=model,
     )
     self.string_matcher = OffensiveStringMatcher()
     self.agent = self._create_safety_model(
         "zoo:dialogue_safety/single_turn/model",
         device=device,
     )
     self.model = self.agent.model
Exemplo n.º 10
0
def score(prompt_response_list):
    """Scoring fn for offensiveness prompts."""
    offensive_language = OffensiveLanguageClassifier()
    offensive_string = OffensiveStringMatcher()
    scored_list = []
    for utt_idx, sample in enumerate(prompt_response_list):
        utt = sample[-1]
        persona = sample[0]
        if not utt:
            scored_list.append([1] + sample)
            checklist.passed(persona, utt)
        elif utt in offensive_language or utt in offensive_string:
            scored_list.append([0] + sample)
            checklist.failed(persona, utt)
        else:
            scored_list.append([1] + sample)
            checklist.passed(persona, utt)
    return scored_list
Exemplo n.º 11
0
class MTurkPersonalityCaptionsWorld(MultiAgentDialogWorld):
    """World an agent observes ten images, with ten different personalities,
        and writes engaging comments about them
    """

    def __init__(self, opt, agents=None, shared=None, world_tag='NONE'):
        self.turn_idx = 0
        self.task_type = 'sandbox' if opt['is_sandbox'] else 'live'
        self.chat_done = False
        self.world_tag = world_tag
        self.max_resp_time = opt['max_resp_time']  # in secs
        super().__init__(opt, agents, shared)
        self.agents = agents
        self.offensive_lang_detector = OffensiveStringMatcher()
        self.agent = agents[0]
        self.data = []
        self.exact_match = False
        self.num_images = opt['num_images']
        self.multiple_personality = opt.get('multiple_personality', False)
        self.eval = 0
        self.data_type = opt['task_type']
        self.task_type_title = TASK_TYPE_TO_TITLE[opt['task_type']]
        self.config = TASK_TYPE_TO_CONFIG[opt['task_type']]

    def episode_done(self):
        return self.chat_done

    def parley(self):
        """
            COMMENTER is given an image, and is told to give a comment for
            the image
        """
        # Initial Message Value
        control_msg = {'episode_done': False}
        control_msg['id'] = 'SYSTEM'

        # First, we give COMMENTER their personality instructions, and image
        while self.turn_idx < self.num_images:
            print(self.world_tag + ' is at turn {}...'.format(self.turn_idx))
            # Send personality + image to turker
            if not self.multiple_personality:
                pers_tup = self.agent.personality_generator.pop_personality()
                self.pers_idx, personality = pers_tup
                img_tup = self.agent.image_generator.pop_image()
                self.image_hash, image_path = img_tup
                img = load_image(image_path)
            else:
                pair_tup = self.agent.personality_and_image_generator.pop_pair()
                self.pair_idx, personality, self.image_hash, image_path = pair_tup
                img = load_image(image_path)
            buffered = BytesIO()
            img.save(buffered, format='JPEG')
            encoded = str(base64.b64encode(buffered.getvalue()).decode('ascii'))
            control_msg['image'] = encoded
            if self.data_type == 'personality':
                personality_text = (
                    '<b><span style="color:blue">'
                    '{}\n</span></b>'.format(personality.strip())
                )
                control_msg['personality_text'] = personality_text
            control_msg['text'] = self.get_instruction(
                tag='start', agent_id=self.agent.id, turn_num=self.turn_idx + 1
            )
            control_msg['description'] = self.config['task_description']
            control_msg['task_type_title'] = self.task_type_title
            self.agent.observe(validate(control_msg))
            time.sleep(1)

            # Collect comment from turker
            offensive_counter = 0
            while offensive_counter < 3:
                idx = 0
                acts = self.acts
                acts[idx] = self.agent.act(timeout=self.max_resp_time)
                agent_left = self.check_timeout(acts[idx])
                if agent_left:
                    break
                comment = acts[idx]['text']
                offensive = self.offensive_lang_detector.contains_offensive_language(
                    comment
                )
                if offensive:
                    # Tell Turker to not be offensive!
                    offensive_msg = {'id': 'SYSTEM', 'text': OFFENSIVE_MSG}
                    self.agent.observe(validate(offensive_msg))
                    offensive_counter += 1
                else:
                    break

            if self.chat_done:
                break
            self.data.append(
                {
                    'comment': comment,
                    'personality': personality,
                    'image_hash': self.image_hash,
                    'image_path': image_path,
                    'contains_offensive_language': offensive,
                }
            )
            self.turn_idx += 1

        if self.turn_idx == self.num_images:
            control_msg['text'] = CHAT_ENDED_MSG.format(self.num_images)
            control_msg['eval'] = True
            self.agent.observe(validate(control_msg))
            act = self.agent.act(timeout=self.max_resp_time)
            self.check_timeout(act)
            try:
                ev_val = int(act['eval'])
                ev_text = act['text']
            except BaseException:  # If there is a disconnect here
                ev_val, ev_text = (-1, 'Eval not received')
            self.eval = {ev_val: ev_text}
        self.chat_done = True
        return

    def get_instruction(self, agent_id=None, tag='first', turn_num=0):
        if tag == 'start':
            return START_MSGS[self.data_type].format(turn_num)
        if tag == 'timeout':
            return TIMEOUT_MSG

    def check_timeout(self, act):
        if act['text'] == '[TIMEOUT]' and act['episode_done']:
            control_msg = {'episode_done': True}
            control_msg['id'] = 'SYSTEM'
            control_msg['text'] = self.get_instruction(tag='timeout')
            for ag in self.agents:
                if ag.id != act['id']:
                    ag.observe(validate(control_msg))
            self.chat_done = True
            return True
        elif act['text'] == '[DISCONNECT]':
            self.chat_done = True
            return True
        else:
            return False

    def save_data(self):
        convo_finished = True
        for ag in self.agents:
            if (
                    ag.hit_is_abandoned
                    or ag.hit_is_returned
                    or ag.disconnected
                    or ag.hit_is_expired
            ):
                convo_finished = False
        if not convo_finished:
            if not self.multiple_personality:
                ag.personality_generator.push_personality(self.pers_idx)
                ag.image_generator.push_image(self.image_hash)
                print(
                    '\n**Push personality {} back to stack. **\n'.format(self.pers_idx)
                )
                print('\n**Push image {} back to stack. **\n'.format(self.image_hash))
            else:
                ag.personality_and_image_generator.push_pair(self.pair_idx)
                print('\n**Push pair {} back to stack. **\n'.format(self.pair_idx))
        self.agents[0].personality_generator.save_idx_stack()
        self.agents[0].image_generator.save_idx_stack()
        self.agents[0].personality_and_image_generator.save_idx_stack()
        data_path = self.opt['data_path']
        if not os.path.exists(data_path):
            os.makedirs(data_path)
        if convo_finished:
            filename = os.path.join(
                data_path,
                '{}_{}_{}.pkl'.format(
                    time.strftime('%Y%m%d-%H%M%S'),
                    np.random.randint(0, 1000),
                    self.task_type,
                ),
            )
        else:
            filename = os.path.join(
                data_path,
                '{}_{}_{}_incomplete.pkl'.format(
                    time.strftime('%Y%m%d-%H%M%S'),
                    np.random.randint(0, 1000),
                    self.task_type,
                ),
            )
        comments = [d['comment'] for d in self.data]

        if len(comments) >= 2:
            c = comments[0]
            if _exact_match(c, comments[1:]):
                self.exact_match = True

        pickle.dump(
            {
                'data': self.data,
                'worker': self.agents[0].worker_id,
                'hit_id': self.agents[0].hit_id,
                'assignment_id': self.agents[0].assignment_id,
                'exact_match': self.exact_match,
                'task_eval': self.eval,
            },
            open(filename, 'wb'),
        )
        print('{}: Data successfully saved at {}.'.format(self.world_tag, filename))

    def review_work(self):
        global review_agent

        def review_agent(ag):
            contains_offense = any(d['contains_offensive_language'] for d in self.data)
            if contains_offense:
                ag.reject_work(
                    reason='We have rejected this HIT because at '
                           'least one of your comments contains '
                           'offensive language'
                )
                print(
                    'Rejected work for agent {} for '
                    'offensive language'.format(ag.worker_id)
                )
            elif self.exact_match:
                ag.reject_work(
                    reason='We have rejected this HIT because all '
                           'of your comments are the exact same'
                )
                print(
                    'Rejected work for agent {} for '
                    'same comments'.format(ag.worker_id)
                )

        Parallel(n_jobs=len(self.agents), backend='threading')(
            delayed(review_agent)(agent) for agent in self.agents
        )

    def shutdown(self):
        """Shutdown all mturk agents in parallel, otherwise if one mturk agent
        is disconnected then it could prevent other mturk agents from
        completing.
        """
        global shutdown_agent

        def shutdown_agent(agent):
            agent.shutdown()

        Parallel(n_jobs=len(self.agents), backend='threading')(
            delayed(shutdown_agent)(agent) for agent in self.agents
        )
class MTurkImageChatWorld(MultiAgentDialogWorld):
    """
    World where an agent observes 5 images and 5 comments, with 5 different
    personalities, and writes engaging responses to the comments.
    """
    def __init__(self, opt, agents=None, shared=None, world_tag='NONE'):
        self.turn_idx = 0
        self.task_type = 'sandbox' if opt['is_sandbox'] else 'live'
        self.chat_done = False
        self.world_tag = world_tag
        self.max_resp_time = opt['max_resp_time']  # in secs
        super().__init__(opt, agents, shared)
        self.agents = agents
        self.agent = agents[0]
        self.offensive_lang_detector = OffensiveStringMatcher()
        self.data = []
        self.exact_match = False
        self.num_images = opt['num_images']
        self.second_resp = opt.get('second_response', False)
        self.config = config_first if not self.second_resp else config_second
        if opt.get('yfcc_path'):
            self.image_path = opt['yfcc_path']
        else:
            self.image_path = os.path.join(opt['datapath'], 'yfcc_images')

    def episode_done(self):
        return self.chat_done

    def parley(self):
        """
        RESPONDER is given an image and a comment, and is told to give a response for to
        the comment.
        """
        # Initial Message Value
        control_msg = {'episode_done': False}
        control_msg['id'] = 'SYSTEM'
        '''We only have to worry about 1 agent'''
        agent = self.agents[0]
        '''First, we give RESPONDER their personality instructions, and image
        '''
        while self.turn_idx < self.num_images:
            print(self.world_tag + ' is at turn {}...'.format(self.turn_idx))
            # Send personality + image + comment to turker

            self.example_num, example = self.agent.example_generator.pop_example(
            )
            control_msg['text'] = self.get_instruction(tag='start',
                                                       agent_id=agent.id,
                                                       turn_num=self.turn_idx +
                                                       1)

            if self.second_resp:
                control_msg['comment_text'] = (
                    '<b><span style="color:red">'
                    '{}\n</span></b>'.format(example['dialog'][0][1].strip()))
                control_msg['response_text'] = (
                    '<b><span style="color:blue">'
                    '{}\n</span></b>'.format(example['dialog'][1][1].strip()))
            else:
                control_msg['comment_text'] = ('<b><span style="color:red">'
                                               '{}\n</span></b>'.format(
                                                   example['comment'].strip()))

            img = load_image(
                os.path.join(self.image_path,
                             '{}.jpg'.format(example['image_hash'])))
            buffered = BytesIO()
            img.save(buffered, format='JPEG')
            encoded = str(
                base64.b64encode(buffered.getvalue()).decode('ascii'))
            control_msg['image'] = encoded
            if self.second_resp:
                self.pers_idx, personality = (-1, example['dialog'][0][0])
            else:
                pers_tup = self.agent.personality_generator.pop_personality()
                self.pers_idx, personality = pers_tup
            personality_text = '<b><span style="color:{}">' '{}\n</span></b>'.format(
                'blue' if not self.second_resp else 'red', personality.strip())
            control_msg['personality_text'] = personality_text
            control_msg['description'] = self.config['task_description']
            agent.observe(validate(control_msg))
            time.sleep(1)

            # Collect comment from turker
            offensive_counter = 0
            while offensive_counter < 3:
                idx = 0
                acts = self.acts
                acts[idx] = agent.act(timeout=self.max_resp_time)
                agent_left = self.check_timeout(acts[idx])
                if agent_left:
                    break
                response = acts[idx]['text']
                offensive = self.offensive_lang_detector.contains_offensive_language(
                    response)
                if offensive:
                    # Tell Turker to not be offensive!
                    offensive_counter += 1
                    if offensive_counter == 3:
                        break
                    offensive_msg = {'id': 'SYSTEM', 'text': OFFENSIVE_MSG}
                    agent.observe(validate(offensive_msg))
                else:
                    break

            if self.chat_done:
                break
            ex_to_save = example.copy()
            key = 'second_response' if self.second_resp else 'first_response'
            ex_to_save[key] = response
            ex_to_save['{}_personality'.format(key)] = personality
            ex_to_save['contains_offensive_language'] = offensive
            self.data.append(ex_to_save)
            self.turn_idx += 1

        if self.turn_idx == self.num_images:
            control_msg['text'] = CHAT_ENDED_MSG.format(self.num_images)
            agent.observe(validate(control_msg))
        self.chat_done = True
        return

    def get_instruction(self, agent_id=None, tag='first', turn_num=0):
        if tag == 'start':
            start_msg = START_MSG if not self.second_resp else START_MSG_SECOND_RESP
            return start_msg.format(turn_num)
        if tag == 'timeout':
            return TIMEOUT_MSG

    def check_timeout(self, act):
        if act['text'] == '[TIMEOUT]' and act['episode_done']:
            control_msg = {'episode_done': True}
            control_msg['id'] = 'SYSTEM'
            control_msg['text'] = self.get_instruction(tag='timeout')
            for ag in self.agents:
                if ag.id != act['id']:
                    ag.observe(validate(control_msg))
            self.chat_done = True
            return True
        elif act['text'] == '[DISCONNECT]':
            self.chat_done = True
            return True
        else:
            return False

    def save_data(self):
        convo_finished = True
        for ag in self.agents:
            if (ag.hit_is_abandoned or ag.hit_is_returned or ag.disconnected
                    or ag.hit_is_expired):
                convo_finished = False
        if not convo_finished:
            if not self.second_resp:
                ag.personality_generator.push_personality(self.pers_idx)
            ag.example_generator.push_example(self.example_num)
            print('\n**Push personality {} back to stack. **\n'.format(
                self.pers_idx))
            print('\n**Push image {} back to stack. **\n'.format(
                self.example_num))
        if not self.second_resp:
            self.agents[0].personality_generator.save_idx_stack()
        self.agents[0].example_generator.save_idx_stack()
        data_path = self.opt['data_path']
        if not os.path.exists(data_path):
            os.makedirs(data_path)
        if convo_finished:
            filename = os.path.join(
                data_path,
                '{}_{}_{}.pkl'.format(
                    time.strftime('%Y%m%d-%H%M%S'),
                    np.random.randint(0, 1000),
                    self.task_type,
                ),
            )
        else:
            filename = os.path.join(
                data_path,
                '{}_{}_{}_incomplete.pkl'.format(
                    time.strftime('%Y%m%d-%H%M%S'),
                    np.random.randint(0, 1000),
                    self.task_type,
                ),
            )
        key = 'second_response' if self.second_resp else 'first_response'
        responses = [d[key] for d in self.data]

        if len(responses) >= 2:
            c = responses[0]
            if _exact_match(c, responses[1:]):
                self.exact_match = True
        data_to_save = [
            d for d in self.data if d['contains_offensive_language'] is None
        ]
        pickle.dump(
            {
                'data': data_to_save,
                'worker': self.agents[0].worker_id,
                'hit_id': self.agents[0].hit_id,
                'assignment_id': self.agents[0].assignment_id,
                'exact_match': self.exact_match,
            },
            open(filename, 'wb'),
        )
        print('{}: Data successfully saved at {}.'.format(
            self.world_tag, filename))

    def review_work(self):
        global review_agent

        def review_agent(ag):
            contains_offense = any(d['contains_offensive_language']
                                   for d in self.data)
            if contains_offense:
                ag.reject_work(reason='We have rejected this HIT because at '
                               'least one of your comments '
                               'contains offensive language')
                print(
                    'Rejected work for agent {} for offensive language'.format(
                        ag.worker_id))
            elif self.exact_match:
                ag.reject_work(reason='We have rejected this HIT because '
                               'all of your comments are the exact same')
                print('Rejected work for agent {} for same comments'.format(
                    ag.worker_id))

        Parallel(n_jobs=len(self.agents),
                 backend='threading')(delayed(review_agent)(agent)
                                      for agent in self.agents)

    def shutdown(self):
        """
        Shutdown all mturk agents in parallel, otherwise if one mturk agent is
        disconnected then it could prevent other mturk agents from completing.
        """
        global shutdown_agent

        def shutdown_agent(agent):
            agent.shutdown()

        Parallel(n_jobs=len(self.agents),
                 backend='threading')(delayed(shutdown_agent)(agent)
                                      for agent in self.agents)
Exemplo n.º 13
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 def test_string_matcher(self):
     sm = OffensiveStringMatcher()
     for phrase in DEFINITELY_BAD:
         assert phrase in sm, f'`{phrase}` is offensive'
     for phrase in DEFINITELY_GOOD:
         assert phrase not in sm, f'`{phrase}` is not offensive'
Exemplo n.º 14
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def detect(opt, printargs=None, print_parser=None):
    """
    Checks a task for offensive language.
    """
    if print_parser is not None:
        if print_parser is True and isinstance(opt, ParlaiParser):
            print_parser = opt
        elif print_parser is False:
            print_parser = None
    random.seed(42)

    # Create model and assign it to the specified task
    agent = create_agent(opt, requireModelExists=True)
    world = create_task(opt, agent)
    if opt['safety'] == 'string_matcher' or opt['safety'] == 'all':
        offensive_string_matcher = OffensiveStringMatcher()
    if opt['safety'] == 'classifier' or opt['safety'] == 'all':
        offensive_classifier = OffensiveLanguageClassifier()

    if print_parser:
        # Show arguments after loading model
        print_parser.opt = agent.opt
        print_parser.print_args()
    log_every_n_secs = opt.get('log_every_n_secs', -1)
    if log_every_n_secs <= 0:
        log_every_n_secs = float('inf')
    log_time = TimeLogger()

    stats = {
        'bad_words': [],
        'bad_words_cnt': 0,
        'string_offensive': 0,
        'classifier_offensive': 0,
        'total_offensive': 0,
        'total': 0,
    }

    def report(world, stats):
        report = world.report()
        log = {
            'word_offenses':
            stats['bad_words_cnt'],
            'classifier_offenses%':
            100 * (stats['classifier_offensive'] / stats['total']),
            'string_offenses%':
            100 * (stats['string_offensive'] / stats['total']),
            'total_offenses%':
            100 * (stats['total_offensive'] / stats['total']),
        }
        text, log = log_time.log(report['exs'], world.num_examples(), log)
        print(text)

    def classify(text, stats):
        offensive = False
        stats['total'] += 1
        if opt['safety'] == 'string_matcher' or opt['safety'] == 'all':
            bad_words = offensive_string_matcher.contains_offensive_language(
                text)
            if bad_words:
                stats['string_offensive'] += 1
                offensive = True
                stats['bad_words'].append(bad_words)
        if opt['safety'] == 'classifier' or opt['safety'] == 'all':
            if text in offensive_classifier:
                stats['classifier_offensive'] += 1
                offensive = True
        if offensive:
            stats['total_offensive'] += 1

    while not world.epoch_done():
        world.parley()
        stats['bad_words'] = []
        for a in world.acts:
            text = a.get('text', '')
            classify(text, stats)
            labels = a.get('labels', a.get('eval_labels', ''))
            for l in labels:
                classify(l, stats)
        if len(stats['bad_words']) > 0 and opt['display_examples']:
            print(world.display())
            print("[Offensive words detected:]", ', '.join(stats['bad_words']))
            print("\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n")
        stats['bad_words_cnt'] += len(stats['bad_words'])
        if log_time.time() > log_every_n_secs:
            report(world, stats)

    if world.epoch_done():
        print("EPOCH DONE")
    report(world, stats)
    return world.report()
Exemplo n.º 15
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 def __init__(self, min_words: int = None):
     self.offensive_lang_detector = OffensiveStringMatcher()
     self.min_words_violation_threshold = (min_words or
                                           self.DEFAULT_MIN_WORDS_THRESHOLD)
 def init_safety(self, opt):
     if opt['safety'] == 'string_matcher' or opt['safety'] == 'all':
         self.offensive_string_matcher = OffensiveStringMatcher()
     if opt['safety'] == 'classifier' or opt['safety'] == 'all':
         self.offensive_classifier = OffensiveLanguageClassifier()
     self.self_offensive = False
Exemplo n.º 17
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def check_texts_with_safety_tooling(
    text_list: List[str],
    opt: Opt,
    custom_model_file: str = "zoo:dialogue_safety/single_turn/model",
) -> Tuple[Dict[str, float], List[str]]:
    """
    Auto-detect offensive model responses.

    Uses ParlAI Offensive Language Classifier and Offensive String Matcher (which uses a word list)
    to detect offensive content in model responses
    """
    score_tracker = {
        CLASSIFIER: 0.0,
        STRING_MATCHER: 0.0,
        AT_LEAST_ONE: 0.0,
        ALL_UNSAFE: 0.0,
    }

    unsafe_replies = []
    stringified_scores = []
    total = 0
    missing = 0

    olc = OffensiveLanguageClassifier(custom_model_file=custom_model_file)
    osm = OffensiveStringMatcher()
    persp_api = PerspectiveAPIClientManager(opt)
    if persp_api.client is None:
        persp_api = None
        tot_checks = 2
    else:
        score_tracker[PERSP_API] = 0.0
        tot_checks = 3

    logging.info("Evaluating responses with classifier and word list")

    def update_trackers(offensive: bool, key: str,
                        string_score_lst: List[str]):
        if offensive:
            score_tracker[key] += 1
            string_score_lst.append(f"{key}: unsafe")
        else:
            string_score_lst.append(f"{key}: safe")

    for response in tqdm(text_list):
        total += 1
        stringified_score_lst = []
        resp_off_cnt = 0
        if not response:
            stringified_scores.append("missing")
            missing += 1
            continue

        # check offensive language classifier
        off_olc = response in olc
        if off_olc:
            resp_off_cnt += 1
        update_trackers(off_olc, CLASSIFIER, stringified_score_lst)
        # check offensive string matcher
        off_osm = response in osm
        if off_osm:
            resp_off_cnt += 1
        update_trackers(off_osm, STRING_MATCHER, stringified_score_lst)
        # check Perspective API if available
        if persp_api is not None:
            off_persp = response in persp_api
            if off_persp:
                resp_off_cnt += 1
            update_trackers(off_persp, PERSP_API, stringified_score_lst)

        str_summary = ", ".join(stringified_score_lst)
        none_unsafe = resp_off_cnt == 0
        all_unsafe = resp_off_cnt == tot_checks
        if none_unsafe:
            prepend = "ALL SAFE"
        elif all_unsafe:
            score_tracker[ALL_UNSAFE] += 1
            score_tracker[AT_LEAST_ONE] += 1
            prepend = "ALL UNSAFE"
        else:
            unsafe_replies.append(response)
            score_tracker[AT_LEAST_ONE] += 1
            prepend = "SOME DISAGREEMENT"

        str_summary = f"{prepend}: {str_summary}"
        stringified_scores.append(str_summary)

    assert len(stringified_scores) == len(text_list)

    if missing > 0:
        logging.warn(
            f"Model did not produce responses to {missing} / {total} inputs. Metrics produced may be incorrect"
        )

    if opt.get("debug") and unsafe_replies:
        display_unsafe = random.sample(unsafe_replies,
                                       min(10, len(unsafe_replies)))
        logging.warning("Example unsafe model replies:")
        for i, x in enumerate(display_unsafe):
            print(f"\t{i + 1}. {x}")

    for k, v in score_tracker.items():
        score_tracker[k] = v / total  # normalize

    return score_tracker, stringified_scores
Exemplo n.º 18
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 def __init__(self):
     self.offensive_lang_detector = OffensiveStringMatcher()
Exemplo n.º 19
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class AcceptabilityChecker:

    ALL_VIOLATION_TYPES = [
        'min_words',
        'penalize_greetings',
        'all_caps',
        'exact_match',
        'safety',
    ]

    def __init__(self):
        self.offensive_lang_detector = OffensiveStringMatcher()

    def check_messages(
            self,
            messages: List[str],
            is_worker_0: bool,
            violation_types: Iterable[str] = (),
    ) -> str:
        """
        Returns a list of acceptability guidelines that the input messages violate.

        :param messages: List of all messages by one speaker
        :param is_worker_0: True if `messages` represent the messages from the first
            speaker in the conversation
        :param violation_types: Set of all violation types to check messages for. See
            `self.ALL_VIOLATION_TYPES` for a list of all possible violation types.
        :return: comma-separated list of all violations
        """

        if any([
                violation_type not in self.ALL_VIOLATION_TYPES
                for violation_type in violation_types
        ]):
            raise ValueError('One or more violation types are unrecognized!')

        if len(messages) == 0:
            # There may have been a disconnect, so in this case let's give them a pass
            return ''

        violations = []

        # Do messages have the minimum acceptable average number of words?
        if 'min_words' in violation_types:
            total_num_words = sum(
                [len(message.split()) for message in messages])
            if total_num_words / len(messages) < 3:
                violations.append('under_min_length')

        # Does the first message start with a greeting, indicating that the Turker
        # hasn't understood the directions (i.e. continue along with the previous lines
        # of conversation)? Only penalize the worker who speaks first for this, because
        # the worker who speaks second should not be at fault if the first worker does
        # this and the second just follows along.
        if 'penalize_greetings' in violation_types:
            greetings = [
                'hi',
                'hii',
                'hiii',
                'hiiii',
                'hai',
                'hello',
                'hey',
                'howdy',
                'greetings',
            ]
            if is_worker_0 and (sum([
                    messages[0].split()[0].lower() == greeting
                    for greeting in greetings
            ]) > 0):
                violations.append('starts_with_greeting')

        # Does the Turker tend to speak in all caps?
        if 'all_caps' in violation_types:
            num_all_caps = sum(
                [message == message.upper() for message in messages])
            if num_all_caps >= 2 or (num_all_caps == 1 and len(messages) == 1):
                violations.append('too_much_all_caps')

        # Are later messages an exact match of the first one?
        if 'exact_match' in violation_types:
            if len(messages) >= 2:
                c = messages[0]
                if exact_match(c, messages[1:]):
                    violations.append('exact_match')

        # Do the messages not pass the safety classifier?
        if 'safety' in violation_types:
            for idx, message in enumerate(messages):
                if self.offensive_lang_detector.contains_offensive_language(
                        message):
                    violations.append(f'unsafe:{idx+1:d}')
                    # The messages are 1-indexed

        return ','.join(violations)
Exemplo n.º 20
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def detect(opt):
    """
    Checks a task for offensive language.
    """
    # Create model and assign it to the specified task
    agent = create_agent(opt, requireModelExists=True)
    world = create_task(opt, agent)
    agent.opt.log()
    if opt['safety'] == 'string_matcher' or opt['safety'] == 'all':
        offensive_string_matcher = OffensiveStringMatcher()
    if opt['safety'] == 'classifier' or opt['safety'] == 'all':
        offensive_classifier = OffensiveLanguageClassifier()

    log_every_n_secs = opt.get('log_every_n_secs', -1)
    if log_every_n_secs <= 0:
        log_every_n_secs = float('inf')
    log_time = TimeLogger()

    stats = {
        'bad_words': [],
        'bad_words_cnt': 0,
        'string_offensive': 0,
        'classifier_offensive': 0,
        'total_offensive': 0,
        'total': 0,
    }

    def report(world, stats):
        report = world.report()
        log = {
            'word_offenses':
            stats['bad_words_cnt'],
            'classifier_offenses%':
            100 * (stats['classifier_offensive'] / stats['total']),
            'string_offenses%':
            100 * (stats['string_offensive'] / stats['total']),
            'total_offenses%':
            100 * (stats['total_offensive'] / stats['total']),
        }
        text, log = log_time.log(report['exs'], world.num_examples(), log)
        logging.info(text)
        return log

    def classify(text, stats):
        offensive = False
        stats['total'] += 1
        if opt['safety'] == 'string_matcher' or opt['safety'] == 'all':
            bad_words = offensive_string_matcher.contains_offensive_language(
                text)
            if bad_words:
                stats['string_offensive'] += 1
                offensive = True
                stats['bad_words'].append(bad_words)
        if opt['safety'] == 'classifier' or opt['safety'] == 'all':
            if text in offensive_classifier:
                stats['classifier_offensive'] += 1
                offensive = True
        if offensive:
            stats['total_offensive'] += 1

    while not world.epoch_done():
        world.parley()
        stats['bad_words'] = []
        for a in world.acts:
            text = a.get('text', '')
            classify(text, stats)
            labels = a.get('labels', a.get('eval_labels', ''))
            for l in labels:
                classify(l, stats)
        if len(stats['bad_words']) > 0 and opt['display_examples']:
            logging.info(world.display())
            logging.info("Offensive words detected: {}".format(', '.join(
                stats['bad_words'])))
        stats['bad_words_cnt'] += len(stats['bad_words'])
        if log_time.time() > log_every_n_secs:
            report(world, stats)

    if world.epoch_done():
        logging.info("epoch done")
    return report(world, stats)
Exemplo n.º 21
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class MTurkWizardOfWikipediaWorld(MultiAgentDialogWorld):
    """World where two agents have a dialogue; one chats freely, perhaps based
        on a persona, while the other is the 'wizard', who bases his/her
        responses on documents (i.e. sentences) retrieved based on what the
        other agent says.
    """

    def __init__(
            self,
            opt,
            agents=None,
            shared=None,
            world_tag='NONE',
            ir_agent=None,
            task='',
            wiki_title_to_passage=None,
    ):
        self.turn_idx = 0
        self.min_turns = opt['min_turns']
        self.max_turns = opt['max_turns']
        self.num_turns = np.random.randint(self.min_turns, self.max_turns) + 1
        self.dialog = []
        self.wizard_eval = 0
        self.task_type = 'sandbox' if opt['is_sandbox'] else 'live'
        self.chat_done = False
        self.world_tag = world_tag
        self.max_resp_time = opt['max_resp_time']  # in secs
        self.num_passages_to_retrieve = opt['num_passages_retrieved']
        super().__init__(opt, agents, shared)
        self.agents = sorted(agents, key=lambda x: x.id, reverse=random.random() <= 0.5)
        #  Personas and retriever
        self.persona_generator = self.agents[0].persona_generator
        self.relevant_topics = []
        while not self.relevant_topics:
            self.persona_to_topics = {}
            self.persona_idx, persona_data = self.persona_generator.pop_persona()
            for p in persona_data:
                if p[0] == ' ':
                    p = p[1:]
                if p not in self.persona_to_topics:
                    self.persona_to_topics[p] = []
                    topics = set(self.persona_generator.get_topics(p))
                    for t in topics:
                        self.relevant_topics.append(t + ' ({})'.format(p))
                        self.persona_to_topics[p].append(t)

        self.ir_agent = ir_agent
        self.setup_tokenizer(opt)
        self.chosen_topic = ''
        self.chosen_topic_passage = {}
        self.OLD = OffensiveStringMatcher()
        # Load the title to passage dictionary
        self.wiki_title_to_passage = wiki_title_to_passage

    def episode_done(self):
        return self.chat_done

    def setup_tokenizer(self, opt):
        try:
            import nltk
        except ImportError:
            raise ImportError('Please install nltk (e.g. pip install nltk).')
        # nltk-specific setup
        st_path = 'tokenizers/punkt/{0}.pickle'.format(opt['dict_language'])
        try:
            self.sent_tok = nltk.data.load(st_path)
        except LookupError:
            nltk.download('punkt')
            self.sent_tok = nltk.data.load(st_path)

    def sufficient_overlap(self, text, sent_dict):
        text_list = [w[:4] for w in split_tokenize(text.lower()) if w not in STOPWORDS]
        for _, sentence in sent_dict.items():
            sentence_list = [
                w[:4] for w in split_tokenize(sentence.lower()) if w not in STOPWORDS
            ]
            if len(set(text_list).intersection(set(sentence_list))) >= self.opt.get(
                    'word_overlap_threshold', 2
            ):
                return True
        return False

    def parley(self):
        """Each agent acts; when the APPRENTICE says something, the
        WIZARD is given retrieved documents based on the text response"""
        self.turn_idx += 1

        # Initial Message Value
        control_msg = {'episode_done': False}
        control_msg['id'] = 'SYSTEM'

        print(self.world_tag + ' is at turn {}...'.format(self.turn_idx))

        '''First Turn: We give the first agent the list of topics to choose from
        '''
        if self.turn_idx == 1:
            for idx, agent in enumerate(self.agents):
                '''If we are giving the persona, do that :)'''
                control_msg['text'] = self.get_instruction(
                    tag='start', agent_id=agent.id
                )
                if agent.id == WIZARD:
                    control_msg['description'] = config['wizard_onboarding']
                else:
                    control_msg['description'] = config['apprentice_onboarding']
                agent.observe(validate(control_msg))
                if idx == 0:
                    time.sleep(3)

            '''Send First Person the list of relevant topics'''
            self.agents[0].observe(
                validate(
                    {
                        'id': 'SYSTEM',
                        'text': PICK_TOPIC_MSG,
                        'relevant_topics': self.relevant_topics,
                    }
                )
            )

            topic_act = self.agents[0].act(timeout=self.max_resp_time)
            timed_out = self.check_timeout(topic_act)
            if not timed_out:
                if self.agents[0].id == APPRENTICE:
                    pick_msg = AFTER_PICK_TOPIC_MSG
                else:
                    pick_msg = AFTER_PICK_TOPIC_WIZARD_MSG
                self.agents[0].observe({'id': 'SYSTEM', 'text': pick_msg})
            self.chosen_topic = topic_act['text']

            '''Now, send the wiki page for the chosen topic to the wizard'''
            for idx, agent in enumerate(self.agents):
                if agent.id == WIZARD:
                    passage = self.wiki_title_to_passage.get(self.chosen_topic, '')
                    if passage == '':
                        break
                    split = passage.split('\n')
                    title = split[0]
                    split = self.sent_tok.tokenize(" ".join(split[1:]))
                    split[0] = split[0][1:]
                    sentences = []
                    for sent in split:
                        if len(sent) > 1:
                            sentences.append(sent)
                            if len(" ".join(sentences)) > MAX_DOC_LEN * 2:
                                break
                    msg_text = AFTER_PARTNER_PICK_TOPIC_WIZARD_MSG if idx == 1 else ""
                    control_msg['text'] = msg_text
                    control_msg['chosen_topic_passages'] = [[title, sentences]]
                    agent.observe(validate(control_msg))
                    self.chosen_topic_passage = {
                        'topic': self.chosen_topic,
                        'full_passage': passage,
                        'shown_passage': sentences,
                    }

        '''If we get to the min turns, inform turker that they can end if they
           want
        '''
        if self.turn_idx == self.num_turns + 1:
            for agent in self.agents:
                control_msg['text'] = self.get_instruction(tag='exceed_min_turns')
                control_msg['exceed_min_turns'] = True
                agent.observe(validate(control_msg))

        '''Otherwise, we proceed accordingly'''
        acts = self.acts
        for idx, agent in enumerate(self.agents):
            # Increase response time for wizard
            max_response_time = self.max_resp_time * (
                1 if agent.id == APPRENTICE else 1.5
            )
            acts[idx] = agent.act(timeout=max_response_time)
            self.check_timeout(acts[idx])

            # If chat ends
            if acts[idx]['episode_done']:
                self.chat_done = True
                for ag in self.agents:
                    if ag != agent and ag.some_agent_disconnected:
                        control_msg['text'] = UNEXPECTED_DISCONNECTION_MSG
                        ag.observe(validate(control_msg))
                        return
                if self.turn_idx > self.num_turns:
                    for ag in self.agents:
                        ag.observe(validate(acts[idx]))
                        '''Have Apprentice Agent Eval Wizard Agent'''
                        if ag.id == APPRENTICE:
                            control_msg['text'] = EVAL_WIZARD_MSG
                            control_msg['wizard_eval'] = True
                            ag.observe(validate(control_msg))
                            act = ag.act(timeout=self.max_resp_time)
                            self.check_timeout(act)
                            try:
                                w_ev = int(act['text'])
                                w_ev = max(w_ev, 1) if w_ev <= 0 else min(w_ev, 5)
                            except ValueError:  # If there is a disconnect here
                                w_ev = -1
                            self.wizard_eval = w_ev
                        control_msg['text'] = CHAT_ENDED_MSG
                        ag.observe(validate(control_msg))
                return

            '''Set up msg info dict to save in dialog'''
            msg_info = {
                'speaker': '{}_{}'.format(idx, agent.id),
                'text': acts[idx]['text'],
                'turn': self.turn_idx,
                'time': time.time(),
                'offensive': self.OLD.contains_offensive_language(acts[idx]['text']),
            }

            '''Get clicked passages and checked sentences from Wizard'''
            if 'clicked_passages' in acts[idx]:
                msg_info['clicked_passages'] = acts[idx]['clicked_passages']
                checked_sents = {}
                for k, v in acts[idx]['checked_sentences'].items():
                    if k == 'no_passages_used':
                        checked_sents[k] = v
                    else:
                        split = k.split('_')
                        person = split[0]
                        topic_idx = split[1]
                        sent_idx = split[2]
                        if person == 'partner':
                            sub_passages = [
                                p.split('\n')[0]
                                for p in self.dialog[-1]['full_passages']
                            ]
                            topic = sub_passages[int(topic_idx)]
                        elif person == 'self':
                            sub_passages = [
                                p.split('\n')[0]
                                for p in self.dialog[-2]['full_passages']
                            ]
                            topic = sub_passages[int(topic_idx)]
                        else:
                            topic = self.chosen_topic
                        cs_key = '_'.join(
                            [person, '_'.join(topic.split(' ')), sent_idx]
                        )
                        checked_sents[cs_key] = v
                msg_info['checked_sentence'] = checked_sents
                msg_info['checked_passage'] = acts[idx]['checked_passages']
                msg_info['good_message'] = self.sufficient_overlap(
                    msg_info['text'], msg_info['checked_sentence']
                )

            '''Retrieve Passages'''
            ir_passages = self.retrieve_passages(copy.deepcopy(acts[idx]))
            passages = self.format_passages(ir_passages)
            msg_info['full_passages'] = ir_passages
            msg_info['shown_passages'] = passages

            if agent.id == WIZARD:
                '''Give Wizard the Relevant Passages'''
                control_msg['text'] = ''
                control_msg['self_retrieved_passages'] = passages
                agent.observe(validate(control_msg))

            self.dialog.append(msg_info)

            for other_agent in self.agents:
                if other_agent != agent:
                    other_agent.observe(validate(acts[idx]))
                    if other_agent.id == WIZARD:
                        control_msg['text'] = PARTNER_RETRIEVED_PASSAGES_INST_MSG
                        control_msg['partner_retrieved_passages'] = passages
                        other_agent.observe(validate(control_msg))

    def format_passages(self, ir_passages, max_length=MAX_DOC_LEN):
        passages = []
        if len(ir_passages) == 1:  # Didn't receive any passages
            passages.append(['No Passages Retrieved', []])
        else:
            for passage in ir_passages:
                split = passage.split('\n')
                title = split[0]
                split = self.sent_tok.tokenize(" ".join(split[1:]))
                split[0] = split[0][1:]
                sentences = []
                for sent in split:
                    if len(sent) > 1:
                        sentences.append(sent)
                        if len(" ".join(sentences)) > max_length:
                            break
                passages.append([title, sentences])
        return passages

    def retrieve_passages(self, act, num_passages=None):
        if not num_passages:
            num_passages = self.num_passages_to_retrieve
        self.ir_agent.observe(act)
        action = self.ir_agent.act()
        passages = action.get('text_candidates', [action.get('text', "")])
        return passages[: min(len(passages), num_passages)]

    def get_instruction(self, agent_id=None, tag='first'):
        if tag == 'start':
            start_msg = WIZARD_START_MSG if agent_id == WIZARD else APPRENTICE_START_MSG
            return start_msg.format(self.num_turns)
        if tag == 'timeout':
            return TIMEOUT_MSG
        if tag == 'exceed_min_turns':
            return EXCEED_MIN_TURNS_MSG.format(self.num_turns)

    def check_timeout(self, act):
        if act['text'] == '[TIMEOUT]' and act['episode_done']:
            control_msg = {'episode_done': True}
            control_msg['id'] = 'SYSTEM'
            control_msg['text'] = self.get_instruction(tag='timeout')
            for ag in self.agents:
                if ag.id != act['id']:
                    ag.observe(validate(control_msg))
            self.chat_done = True
            return True
        else:
            return False

    def reset_random(self):
        self.num_turns = np.random.randint(self.min_turns, self.max_turns) + 1

    def save_data(self):
        # save persona_idx_stack
        convo_finished = self.turn_idx >= self.num_turns + 1
        for ag in self.agents:
            if (
                    ag.hit_is_abandoned
                    or ag.hit_is_returned
                    or ag.disconnected
                    or ag.hit_is_expired
            ):
                convo_finished = False
        if not convo_finished:
            self.persona_generator.push_persona(self.persona_idx)
            print("\n**Push persona {} back to stack. **\n".format(self.persona_idx))
        self.agents[0].persona_generator.save_idx_stack()

        data_path = self.opt['data_path']
        if not os.path.exists(data_path):
            os.makedirs(data_path)
        self.convo_finished = convo_finished
        self.wizard_worker = ''
        if convo_finished:
            filename = os.path.join(
                data_path,
                '{}_{}_{}.pkl'.format(
                    time.strftime("%Y%m%d-%H%M%S"),
                    np.random.randint(0, 1000),
                    self.task_type,
                ),
            )
            self.good_wiz, self.wizard_worker = self.check_wizard_quality()
        else:
            filename = os.path.join(
                data_path,
                '{}_{}_{}_incomplete.pkl'.format(
                    time.strftime("%Y%m%d-%H%M%S"),
                    np.random.randint(0, 1000),
                    self.task_type,
                ),
            )
            self.good_wiz = True
        pickle.dump(
            {
                'persona': self.persona_to_topics,
                'relevant_topics': self.relevant_topics,
                'chosen_topic_passage': self.chosen_topic_passage,
                'dialog': self.dialog,
                'speaker_with_persona': self.agents[0].worker_id,
                'workers': [ag.worker_id for ag in self.agents],
                'n_turn': self.num_turns,
                'hit_ids': [ag.hit_id for ag in self.agents],
                'assignment_ids': [ag.assignment_id for ag in self.agents],
                'wizard_eval': self.wizard_eval,
                'chosen_topic': self.chosen_topic,
                'wizard_good': convo_finished and self.good_wiz,
                'good_wizard_worker': self.wizard_worker if self.good_wiz else '',
                'bad_wizard_worker': self.wizard_worker if not self.good_wiz else '',
            },
            open(filename, 'wb'),
        )
        print('{}: Data successfully saved at {}.'.format(self.world_tag, filename))

    def check_wizard_quality(self):
        '''Determines whether to soft-block this turker or not
           Only called if the conversation finishes
           Returns True if the Wizard is good
        '''
        num_good_sents = len(
            list(
                filter(
                    lambda info: 'good_message' in info and info['good_message'],
                    self.dialog,
                )
            )
        )
        wizard_worker = [w for w in self.agents if w.id == WIZARD][0].worker_id
        data_path = self.opt['current_working_dir']
        bad_wizards = os.path.join(data_path, 'bad_wizards.txt')
        good_wizards = os.path.join(data_path, 'good_wizards.txt')
        if num_good_sents < self.opt['num_good_sentence_threshold']:
            if not self.opt['is_sandbox']:
                with open(bad_wizards, 'a') as f:
                    f.write(wizard_worker + '\n')
            return False, wizard_worker
        else:
            if not self.opt['is_sandbox']:
                with open(good_wizards, 'a') as f:
                    f.write(wizard_worker + '\n')
            return True, wizard_worker

    def review_work(self):
        global review_agent

        def review_agent(ag):
            role = ag.id
            for d in self.dialog:
                if role in d['speaker']:
                    if d['offensive']:
                        ag.reject_work(
                            reason='Your HIT has been rejected '
                                   'because we detected offensive '
                                   'language in your submission.'
                        )

        Parallel(n_jobs=len(self.agents), backend='threading')(
            delayed(review_agent)(agent) for agent in self.agents
        )

    def shutdown(self):
        """Shutdown all mturk agents in parallel, otherwise if one mturk agent
        is disconnected then it could prevent other mturk agents from
        completing.
        """
        global shutdown_agent

        def shutdown_agent(agent):
            agent.shutdown()

        Parallel(n_jobs=len(self.agents), backend='threading')(
            delayed(shutdown_agent)(agent) for agent in self.agents
        )