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
34 lines
988 B
Python
34 lines
988 B
Python
"""CSV serializer for Focus export."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import io
|
|
|
|
import polars as pl
|
|
|
|
from .base import FocusSerializer
|
|
|
|
|
|
class FocusCsvSerializer(FocusSerializer):
|
|
"""Serialize normalized Focus frames to CSV bytes."""
|
|
|
|
extension = "csv"
|
|
|
|
def serialize(self, frame: pl.DataFrame) -> bytes:
|
|
"""Encode the provided frame as a CSV payload."""
|
|
# Cast Decimal columns to Float64 so CSV output uses standard
|
|
# floating-point notation (e.g. "1.5") instead of fixed-point
|
|
# strings (e.g. "1.500000") that some parsers may reject.
|
|
decimal_cols = [
|
|
col
|
|
for col, dtype in zip(frame.columns, frame.dtypes)
|
|
if isinstance(dtype, pl.Decimal)
|
|
]
|
|
if decimal_cols:
|
|
frame = frame.with_columns(
|
|
[pl.col(c).cast(pl.Float64) for c in decimal_cols]
|
|
)
|
|
buffer = io.BytesIO()
|
|
frame.write_csv(buffer)
|
|
return buffer.getvalue()
|