知微
fa45d8aa5f
- health_checklist.json: 192.168.1.122→node122
- ocr_client.py: docstring IP→node122
- docs/market-data-requirements.md: IP→node122
- 所有API调用通过ProxyHandler({})绕过系统代理
Privoxy对node122:18003返回500，直连正常
23 lines
610 B
Python
23 lines
610 B
Python
"""Parquet serializer for Focus export."""
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from __future__ import annotations
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import io
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import polars as pl
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from .base import FocusSerializer
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class FocusParquetSerializer(FocusSerializer):
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"""Serialize normalized Focus frames to Parquet bytes."""
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extension = "parquet"
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def serialize(self, frame: pl.DataFrame) -> bytes:
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"""Encode the provided frame as a parquet payload."""
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target = frame if not frame.is_empty() else pl.DataFrame(schema=frame.schema)
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buffer = io.BytesIO()
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target.write_parquet(buffer, compression="snappy")
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return buffer.getvalue()
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