endurox.Bboolev

endurox.Bboolev(fbfr: object, expression: str) → bool

Evaluate Boolean expression on given UBF buffer.

Bboolev example
    import endurox

    print(endurox.Bboolev({"data":{"T_STRING_FLD":"ABC"}}, "T_STRING_FLD=='ABC'"))
    # will print True

For more details see Bboolev(3) C API call.

Raises:

UbfException –

Following error codes may be present:
BALIGNERR - Corrupted UBF buffer.
BNOTFLD - Invalid ATMI buffer format, not UBF.
BEINVAL - Invalid arguments passed.
BBADNAME - Field not found in FD files or UBFDB.
BSYNTAX - Bad boolean expression syntax
BFTOPEN - Unable to open field tables.
BEBADOP - Operation not supported on given field types.

Parameters:

  • fbfr (dict) – ATMI buffer on which to test the expression

  • expression (str) – Boolean expression

Returns:

ret – Result true (matches) or false (buffer not matches expression).

Return type:

bool