修复 _df_to_json_payload 处理字符串控制字符导致的 JSON 解析失败
- 字符串字段去除 ASCII 控制字符 (\x00-\x08 \x0b \x0c \x0e-\x1f \x7f) - 保留 \t \n \r 转义,防止 JSON 解析失败 - 长文本字段如 ORG_PROFILE 的换行不再导致 /fin/company-info 等接口响应解析报错
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@@ -83,6 +83,7 @@ def _parse_stocks(raw: str) -> tuple[list[str], Optional[dict[str, str]]]:
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def _df_to_json_payload(df: pd.DataFrame) -> dict:
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"""DataFrame -> JSON-safe dict."""
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import math
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import re
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safe = df.copy()
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# 处理 NaN / NaT / Timestamp / inf -> None
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for col in safe.columns:
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@@ -103,6 +104,11 @@ def _df_to_json_payload(df: pd.DataFrame) -> dict:
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new_row[k] = None
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else:
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new_row[k] = v
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elif isinstance(v, str):
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# 去除 ASCII 控制字符 (除 \t \n \r 外), 防止 JSON 解析失败
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# 长文本字段 (如 ORG_PROFILE) 可能含 \f \v 等非标准换行
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v = re.sub(r'[\x00-\x08\x0b\x0c\x0e-\x1f\x7f]', '', v)
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new_row[k] = v
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else:
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new_row[k] = v
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cleaned.append(new_row)
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