Function unicode_call_errorhandler

Lib/_pycodecs.py:1367–1395

(
    errors, encoding, reason, input, startinpos, endinpos, decode=True
)

def unicode_call_errorhandler(
    errors, encoding, reason, input, startinpos, endinpos, decode=True
):
    errorHandler = lookup_error(errors)
    if decode:
        exceptionObject = UnicodeDecodeError(
            encoding, input, startinpos, endinpos, reason
        )
    else:
        exceptionObject = UnicodeEncodeError(
            encoding, input, startinpos, endinpos, reason
        )
    res = errorHandler(exceptionObject)
    if (
        isinstance(res, tuple)
        and isinstance(res[0], (str, bytes))
        and isinstance(res[1], int)
    ):
        newpos = res[1]
        if newpos < 0:
            newpos = len(input) + newpos
        if newpos < 0 or newpos > len(input):
            raise IndexError("position %d from error handler out of bounds" % newpos)
        return res[0], newpos
    else:
        raise TypeError(
            "encoding error handler must return (unicode, int) tuple, not %s"
            % repr(res)
        )


# /* --- Latin-1 Codec ------------------------------------------------------ */