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globalwoz.py

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+import os
+import json
+from pathlib import Path
+from typing import Dict, List, Tuple
+
+import datasets
+import itertools
+
+from seacrowd.utils import schemas
+from seacrowd.utils.configs import SEACrowdConfig
+from seacrowd.utils.constants import Tasks, Licenses
+
+_CITATION = """\
+@inproceedings{ding-etal-2022-globalwoz,
+    title = "{G}lobal{W}o{Z}: Globalizing {M}ulti{W}o{Z} to Develop Multilingual Task-Oriented Dialogue Systems",
+    author = "Ding, Bosheng  and
+      Hu, Junjie  and
+      Bing, Lidong  and
+      Aljunied, Mahani  and
+      Joty, Shafiq  and
+      Si, Luo  and
+      Miao, Chunyan",
+    editor = "Muresan, Smaranda  and
+      Nakov, Preslav  and
+      Villavicencio, Aline",
+    booktitle = "Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
+    month = may,
+    year = "2022",
+}
+"""
+
+_DATASETNAME = "globalwoz"
+
+_DESCRIPTION = """\
+This is the data of the paper “GlobalWoZ: Globalizing MultiWoZ to Develop Multilingual Task-Oriented Dialogue Systems” accepted by ACL 2022. The dataset contains several sub-datasets in 20 languages and 3 schemes (F&E, E&F, F&F), including Indonesian (id), Thai (th), and Vietnamese (vi) language. The method is based on translating dialogue templates and filling them with local entities in the target language countries.
+"""
+
+
+_HOMEPAGE = "https://github.com/bosheng2020/globalwoz"
+
+
+_LANGUAGES = ["ind", "tha", "vie"]
+
+_LICENSE = Licenses.UNKNOWN.value
+
+_LOCAL = True
+
+_URLS = {}
+
+_SUPPORTED_TASKS = [Tasks.E2E_TASK_ORIENTED_DIALOGUE]
+
+_SOURCE_VERSION = "2.0.0"
+
+_SEACROWD_VERSION = "2024.06.20"
+
+
+def seacrowd_config_constructor(dial_type, lang, schema, version):
+    if dial_type not in ["EandF", "FandE", "FandF"]:
+        raise ValueError(f"Invalid dialogue type {dial_type}")
+
+    if lang == "":
+        raise ValueError(f"Invalid lang {lang}")
+
+    if schema not in ["source", "seacrowd_tod"]:
+        raise ValueError(f"Invalid schema: {schema}")
+
+    return SEACrowdConfig(
+        name="globalwoz_{dial_type}_{lang}_{schema}".format(dial_type=dial_type, lang=lang, schema=schema),
+        version=datasets.Version(version),
+        description="GlobalWoZ schema for {schema}: {dial_type}_{lang}".format(schema=schema, dial_type=dial_type, lang=lang),
+        schema=schema,
+        subset_id="globalwoz_{dial_type}_{lang}".format(dial_type=dial_type, lang=lang),
+    )
+
+
+class GlobalWoZ(datasets.GeneratorBasedBuilder):
+    """This is the data of the paper “GlobalWoZ: Globalizing MultiWoZ to Develop Multilingual Task-Oriented Dialogue Systems” accepted by ACL 2022.
+    The dataset contains several sub-datasets in 20 languages and 3 schemes (F&E, E&F, F&F), including Indonesian (id), Thai (th),
+    and Vietnamese (vi) language. The method is based on translating dialogue templates and filling them with local entities in the target language countries.
+    """
+
+    SOURCE_VERSION = datasets.Version(_SOURCE_VERSION)
+    SEACROWD_VERSION = datasets.Version(_SEACROWD_VERSION)
+
+    BUILDER_CONFIGS = [
+        seacrowd_config_constructor(tod_format, lang, schema, _SOURCE_VERSION if schema == "source" else _SEACROWD_VERSION) for tod_format, lang, schema in itertools.product(("EandF", "FandE", "FandF"), ("id", "th", "vi"), ("source", "seacrowd_tod"))
+    ]
+
+    def _info(self) -> datasets.DatasetInfo:
+        if self.config.schema == "source":
+            features = datasets.Features(
+                {
+                    "id": datasets.Value("string"),
+                    "goal": {
+                        "attraction": datasets.Value("string"),
+                        "hospital": datasets.Value("string"),
+                        "hotel": datasets.Value("string"),
+                        "police": datasets.Value("string"),
+                        "restaurant": datasets.Value("string"),
+                        "taxi": datasets.Value("string"),
+                        "train": datasets.Value("string"),
+                    },
+                    "log": [
+                        {
+                            "dialog_act": datasets.Value("string"),
+                            "metadata": datasets.Value("string"),
+                            "span_info": [[datasets.Value("string")]],
+                            "text": datasets.Value("string"),
+                        }
+                    ],
+                }
+            )
+
+        elif self.config.schema == "seacrowd_tod":
+            features = schemas.tod_features
+        else:
+            raise NotImplementedError()
+
+        return datasets.DatasetInfo(
+            description=_DESCRIPTION,
+            features=features,
+            homepage=_HOMEPAGE,
+            license=_LICENSE,
+            citation=_CITATION,
+        )
+
+    def _split_generators(self, dl_manager: datasets.DownloadManager) -> List[datasets.SplitGenerator]:
+        """Returns SplitGenerators."""
+        _split_generators = []
+
+        type_and_lang = {"dial_type": self.config.subset_id.split("_")[1].replace("and", "&"), "lang": self.config.subset_id.split("_")[2]}  # globalwoz_{dial_type}_{lang}
+
+        if self.config.data_dir is None:
+            raise ValueError("This is a local dataset. Please pass the data_dir kwarg to load_dataset.")
+        else:
+            data_dir = self.config.data_dir
+
+        if not os.path.exists(os.path.join(data_dir, f"{type_and_lang['dial_type']}_{type_and_lang['lang']}.json")):
+            raise FileNotFoundError()
+
+        return [
+            datasets.SplitGenerator(
+                name=datasets.Split.TRAIN,
+                gen_kwargs={
+                    # "filepath": data_dir + f"_{type_and_lang['dial_type']}_{type_and_lang['lang']}.json",
+                    "filepath": os.path.join(data_dir, f"{type_and_lang['dial_type']}_{type_and_lang['lang']}.json"),
+                    "split": "train",
+                },
+            ),
+        ]
+
+    def _generate_examples(self, filepath: Path, split: str) -> Tuple[int, Dict]:
+        """Yields examples as (key, example) tuples."""
+        # For local datasets you will have access to self.config.data_dir and self.config.data_files
+        with open(filepath, "r+", encoding="utf8") as fw:
+            data = json.load(fw)
+
+        if self.config.schema == "source":
+            for idx, tod_dialogue in enumerate(data.values()):
+                example = {}
+                example["id"] = str(idx)
+                example["goal"] = {}
+
+                for goal_key in ["attraction", "hospital", "hotel", "police", "restaurant", "taxi", "train"]:
+                    example["goal"][goal_key] = json.dumps(tod_dialogue["goal"][goal_key])
+                example["log"] = []
+
+                for dial_log in tod_dialogue["log"]:
+                    dial = {}
+                    dial["dialog_act"] = json.dumps(dial_log["dialog_act"])
+                    dial["metadata"] = json.dumps(dial_log["metadata"])
+                    for i in range(len(dial_log["span_info"])):
+                        for j in range(len(dial_log["span_info"][i])):
+                            dial_log["span_info"][i][j] = str(dial_log["span_info"][i][j])  # casting to str
+                    dial["span_info"] = [[str(span)] if isinstance(span, str) else span for span in dial_log["span_info"]]
+                    dial["text"] = dial_log["text"]
+
+                    example["log"].append(dial)
+
+                yield example["id"], example
+
+        elif self.config.schema == "seacrowd_tod":
+            for idx, tod_dialogue in enumerate(data.values()):
+                example = {}
+                example["dialogue_idx"] = idx
+
+                dialogue = []
+                # NOTE: the dialogue always started with `user` as first utterance
+                for turn, i in enumerate(range(0, len(tod_dialogue["log"]) + 2, 2)):
+                    dial = {}
+                    dial["turn_idx"] = turn
+
+                    # system_utterance properties
+                    dial["system_utterance"] = ""
+                    dial["system_acts"] = []
+                    if turn != 0:
+                        dial["system_utterance"] = tod_dialogue["log"][i - 1]["text"]
+                    if i < len(tod_dialogue["log"]):
+                        # NOTE: "system_acts will be populated with the `dialog_act` from the user utterance in the original dataset, as our schema dictates
+                        # that `system_acts` should represent the system's intended actions based on the user's utterance."
+                        for acts in tod_dialogue["log"][i]["dialog_act"].values():
+                            for act in acts:
+                                dial["system_acts"].append([act[0]])
+
+                    # user_utterance properties
+                    dial["turn_label"] = []  # left as an empty array
+                    dial["belief_state"] = []
+                    if i == len(tod_dialogue["log"]):
+                        # case if turn_idx > len(dialogue) --> add dummy user_utterance
+                        dial["user_utterance"] = ""
+                    else:
+                        dial["user_utterance"] = tod_dialogue["log"][i]["text"]
+                        # NOTE: "the belief_state will be populated with the `span_info` from the user utterance in the original dataset, as our schema dictates
+                        # that `belief_state` should represent the system's belief state based on the user's utterance."
+                        for span in tod_dialogue["log"][i]["span_info"]:
+                            if span[0].split("-")[1] == "request":  # Request action
+                                dial["belief_state"].append({"slots": [["slot", span[1]]], "act": "request"})
+                            else:
+                                dial["belief_state"].append({"slots": [[span[1], span[2]]], "act": span[0].split("-")[1]})
+
+                    # append to dialogue
+                    dialogue.append(dial)
+
+                example["dialogue"] = dialogue
+
+                yield example["dialogue_idx"], example