Upload preprocess.py

preprocess.py

@@ -0,0 +1,97 @@
+import json
+import os
+from zipfile import ZipFile, ZIP_DEFLATED
+import random
+import json_lines
+from collections import Counter
+from shutil import rmtree
+
+
+def preprocess():
+    random.seed(42)
+
+    ontology = {
+        'domains': {},
+        'intents': {},
+        'state': {},
+        "dialogue_acts": {
+            "categorical": {},
+            "non-categorical": {},
+            "binary": {}
+        }
+    }
+
+    dataset = 'metalwoz'
+    splits = ['train', 'validation', 'test']
+    dialogues_by_split = {split: [] for split in splits}
+    ZipFile('metalwoz-test-v1.zip').extract('dstc8_metalwoz_heldout.zip')
+    cnt = Counter()
+    for filename in ['metalwoz-v1.zip', 'dstc8_metalwoz_heldout.zip']:
+        with ZipFile(filename) as zipfile:
+            task_id2description = {x['task_id']: x for x in json_lines.reader(zipfile.open('tasks.txt'))}
+            for path in zipfile.namelist():
+                if path.startswith('dialogues'):
+                    if filename == 'metalwoz-v1.zip':
+                        split = random.choice(['train']*9+['validation'])
+                    else:
+                        split = 'test'
+                    if split == 'validation':
+                        print(path, split)
+                    for ori_dialog in json_lines.reader(zipfile.open(path)):
+                        dialogue_id = f'{dataset}-{split}-{len(dialogues_by_split[split])}'
+                        domain = ori_dialog['domain']
+
+                        task_des = task_id2description[ori_dialog['task_id']]
+
+                        goal = {
+                            'description': "user role: {}. user prompt: {}. system role: {}. system prompt: {}.".format(
+                                task_des['user_role'], task_des['user_prompt'], task_des['bot_role'], task_des['bot_prompt']),
+                            'inform': {},
+                            'request': {}
+                        }
+
+                        dialogue = {
+                            'dataset': dataset,
+                            'data_split': split,
+                            'dialogue_id': dialogue_id,
+                            'original_id': ori_dialog['id'],
+                            'domains': [domain],  # will be updated by dialog_acts and state
+                            'goal': goal,
+                            'turns': []
+                        }
+
+                        ontology['domains'][domain] = {
+                            'description': task_des['bot_role'],
+                            'slots': {}
+                        }
+                        cnt[ori_dialog['turns'][0]] += 1
+                        # assert ori_dialog['turns'][0] == "how may I help you?", print(ori_dialog['turns'])
+                        for utt_idx, utt in enumerate(ori_dialog['turns'][1:]):
+                            speaker = 'user' if utt_idx % 2 == 0 else 'system'
+                            turn = {
+                                'speaker': speaker,
+                                'utterance': utt,
+                                'utt_idx': utt_idx,
+                            }
+                            dialogue['turns'].append(turn)
+
+                        dialogues_by_split[split].append(dialogue)
+
+    os.remove('dstc8_metalwoz_heldout.zip')
+    new_data_dir = 'data'
+    os.makedirs(new_data_dir, exist_ok=True)
+    dialogues = []
+    for split in splits:
+        dialogues += dialogues_by_split[split]
+    json.dump(dialogues[:10], open(f'dummy_data.json', 'w', encoding='utf-8'), indent=2, ensure_ascii=False)
+    json.dump(ontology, open(f'{new_data_dir}/ontology.json', 'w', encoding='utf-8'), indent=2, ensure_ascii=False)
+    json.dump(dialogues, open(f'{new_data_dir}/dialogues.json', 'w', encoding='utf-8'), indent=2, ensure_ascii=False)
+    with ZipFile('data.zip', 'w', ZIP_DEFLATED) as zf:
+        for filename in os.listdir(new_data_dir):
+            zf.write(f'{new_data_dir}/{filename}')
+    rmtree(new_data_dir)
+    return dialogues, ontology
+
+
+if __name__ == '__main__':
+    preprocess()