30 lines
825 B
Python
30 lines
825 B
Python
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import pandas as pd
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from nautilus_trader.core.nautilus_pyo3 import Signal
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from nautilus_trader.persistence.catalog import ParquetDataCatalog
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from pathlib import Path
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def test_write_signal():
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catalog_path = Path("test_catalog")
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catalog_path.mkdir(exist_ok=True)
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catalog = ParquetDataCatalog(str(catalog_path))
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ts = int(pd.Timestamp("2026-02-18 12:00:00").value)
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import json
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sig = Signal(
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name="test_signal",
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value=json.dumps({"test": 123}),
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ts_event=ts,
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ts_init=ts
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)
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print(f"Writing signal: {sig}")
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try:
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catalog.write_data([sig])
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print("Successfully wrote signal to catalog")
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except Exception as e:
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print(f"Failed to write signal: {e}")
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if __name__ == "__main__":
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test_write_signal()
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