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Reject colliding attribution semantics headers

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Gahow Wang
2026-04-07 17:58:32 +08:00
parent 35a91ba6cc
commit 88d765713e
2 changed files with 112 additions and 1 deletions
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7
factor_attribution.py
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@@ -475,7 +475,7 @@ def _resolve_beta_semantics(row: pd.Series) -> dict[str, str]:
parsed_mapping = {str(key): str(value) for key, value in parsed.items()}
if set(parsed_mapping) == set(SEMANTIC_BETA_COLUMNS) and all(
value.strip() for value in parsed_mapping.values()
):
) and _semantics_have_unique_headers(parsed_mapping):
return parsed_mapping
return canonical
@@ -488,6 +488,11 @@ def _beta_header_name(factor_name: str) -> str:
return f"beta_{suffix}"
def _semantics_have_unique_headers(semantics: dict[str, str]) -> bool:
headers = [_beta_header_name(semantics[column]) for column in SEMANTIC_BETA_COLUMNS]
return len(headers) == len(set(headers))
def _section_beta_header_map(semantics: dict[str, str]) -> dict[str, str]:
header_map: dict[str, str] = {}
for beta_column, factor_name in semantics.items():