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import os, json, datasets |
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_DESCRIPTION = ( |
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"Time-MMD-style multi-config dataset. One config per subfolder under data/." |
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) |
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_CITATION = "" |
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def _config_names(): |
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here = os.path.dirname(__file__) |
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cfg_path = os.path.join(here, "configs.json") |
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with open(cfg_path, "r", encoding="utf-8") as f: |
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return json.load(f) |
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class _Cfg(datasets.BuilderConfig): |
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def __init__(self, name, **kwargs): |
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super().__init__(name=name, version=datasets.Version("1.0.0"), **kwargs) |
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self.subdir = name |
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class TimeMMDMulti(datasets.GeneratorBasedBuilder): |
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BUILDER_CONFIGS = [ |
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_Cfg(name=n, description=f"Subset: {n}") for n in _config_names() |
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] |
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DEFAULT_CONFIG_NAME = BUILDER_CONFIGS[0].name if BUILDER_CONFIGS else None |
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def _info(self): |
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return datasets.DatasetInfo( |
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description=_DESCRIPTION, |
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features=datasets.Features( |
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{ |
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"batch_x": datasets.Sequence( |
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datasets.Sequence(datasets.Value("float32")) |
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), |
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"batch_y": datasets.Sequence( |
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datasets.Sequence(datasets.Value("float32")) |
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), |
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"pred_len": datasets.Value("int32"), |
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"split": datasets.Value("string"), |
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"domain": datasets.Value("string"), |
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} |
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), |
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citation=_CITATION, |
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) |
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def _split_generators(self, dl_manager): |
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root = os.path.dirname(__file__) |
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d = os.path.join(root, "data", self.config.subdir) |
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paths = { |
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"train": os.path.join(d, "train.jsonl"), |
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"validation": os.path.join(d, "validation.jsonl"), |
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"test": os.path.join(d, "test.jsonl"), |
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} |
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gens = [] |
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for name, p in paths.items(): |
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if os.path.exists(p): |
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gens.append( |
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datasets.SplitGenerator( |
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name=getattr(datasets.Split, name.upper()), |
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gen_kwargs={ |
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"filepath": p, |
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"split_name": name, |
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"domain": self.config.subdir, |
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}, |
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) |
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) |
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return gens |
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def _generate_examples(self, filepath, split_name, domain): |
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with open(filepath, "r", encoding="utf-8") as f: |
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for i, line in enumerate(f): |
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obj = json.loads(line) |
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obj.setdefault("pred_len", len(obj.get("batch_y", []))) |
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obj.setdefault("split", split_name) |
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obj.setdefault("domain", domain) |
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yield i, obj |
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