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"""Gateway notebook for https://www.kaggle.com/competitions/jane-street-real-time-market-data-forecasting""" |
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import os |
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import kaggle_evaluation.core.base_gateway |
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import kaggle_evaluation.core.templates |
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import polars as pl |
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class JSGateway(kaggle_evaluation.core.templates.Gateway): |
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def __init__(self, data_paths: tuple[str, str] | None = None): |
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super().__init__(data_paths, file_share_dir=None) |
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self.data_paths = data_paths |
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self.set_response_timeout_seconds(60) |
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def unpack_data_paths(self): |
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if not self.data_paths: |
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self.test_path = ( |
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"/kaggle/input/jane-street-realtime-marketdata-forecasting/test.parquet" |
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) |
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self.lags_path = ( |
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"/kaggle/input/jane-street-realtime-marketdata-forecasting/lags.parquet" |
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) |
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else: |
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self.test_path, self.lags_path = self.data_paths |
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def generate_data_batches(self): |
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date_ids = sorted( |
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pl.scan_parquet(self.test_path) |
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.select(pl.col("date_id").unique()) |
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.collect() |
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.get_column("date_id") |
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) |
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assert date_ids[0] == 0 |
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for date_id in date_ids: |
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test_batches = pl.read_parquet( |
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os.path.join(self.test_path, f"date_id={date_id}"), |
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).group_by("time_id", maintain_order=True) |
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lags = pl.read_parquet( |
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os.path.join(self.lags_path, f"date_id={date_id}"), |
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) |
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for (time_id,), test in test_batches: |
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test_data = (test, lags if time_id == 0 else None) |
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validation_data = test.select('row_id') |
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yield test_data, validation_data |
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if __name__ == "__main__": |
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if os.getenv("KAGGLE_IS_COMPETITION_RERUN"): |
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gateway = JSGateway() |
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gateway.run() |
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else: |
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print("Skipping run for now") |
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