jean2024 / kaggle_evaluation /jane_street_gateway.py
lixiqqq123's picture
Upload 26 files
bea0fb2 verified
"""Gateway notebook for https://www.kaggle.com/competitions/jane-street-real-time-market-data-forecasting"""
import os
import kaggle_evaluation.core.base_gateway
import kaggle_evaluation.core.templates
import polars as pl
class JSGateway(kaggle_evaluation.core.templates.Gateway):
def __init__(self, data_paths: tuple[str, str] | None = None):
super().__init__(data_paths, file_share_dir=None)
self.data_paths = data_paths
self.set_response_timeout_seconds(60)
def unpack_data_paths(self):
if not self.data_paths:
self.test_path = (
"/kaggle/input/jane-street-realtime-marketdata-forecasting/test.parquet"
)
self.lags_path = (
"/kaggle/input/jane-street-realtime-marketdata-forecasting/lags.parquet"
)
else:
self.test_path, self.lags_path = self.data_paths
def generate_data_batches(self):
date_ids = sorted(
pl.scan_parquet(self.test_path)
.select(pl.col("date_id").unique())
.collect()
.get_column("date_id")
)
assert date_ids[0] == 0
for date_id in date_ids:
test_batches = pl.read_parquet(
os.path.join(self.test_path, f"date_id={date_id}"),
).group_by("time_id", maintain_order=True)
lags = pl.read_parquet(
os.path.join(self.lags_path, f"date_id={date_id}"),
)
for (time_id,), test in test_batches:
test_data = (test, lags if time_id == 0 else None)
validation_data = test.select('row_id')
yield test_data, validation_data
if __name__ == "__main__":
if os.getenv("KAGGLE_IS_COMPETITION_RERUN"):
gateway = JSGateway()
# Relies on valid default data paths
gateway.run()
else:
print("Skipping run for now")