xalpha Fund Tool

WHENWhen implementing get_daily return logic

ACTIONReturn DataFrame with date and close columns as minimum required schema

CONSEQUENCEDownstream components expecting OHLCV columns will raise KeyError when date or close fields are missing from returned DataFrame

WHENWhen implementing fundinfo.price DataFrame structure

ACTIONverify DataFrame contains date, netvalue, totvalue, and comment columns

CONSEQUENCEMissing required columns causes downstream trade and backtest calculations to fail with KeyError or NaN values, corrupting financial analysis results

WHENWhen initializing fundinfo with code parameter

ACTIONvalidate that fund code is exactly 6 digits and normalized with zero-padding

CONSEQUENCEInvalid fund codes cause API requests to fail with 404 errors or return incorrect data, leading to ParserFailure exceptions during data acquisition