INNER CODE UNIT · Python

_CAST_IN

rpy2/rpy2 · rpy2-rinterface/src/rpy2/rinterface/__init__.py:447

    def _CAST_IN(x: typing.Any) -> int:
        if isinstance(x, int):
            if x > 255:
                raise ValueError('byte must be in range(0, 256)')
            res = x
        elif isinstance(x, (bytes, bytearray)):
            if len(x) != 1:
                raise ValueError('byte must be a single character')
            res = ord(x)
        else:
            raise ValueError('byte must be an integer [0, 255] or a '
                             'single byte character')
        return res

    @staticmethod
    def _R_VECTOR_ELT(x, i: int) -> None:
        return openrlib.RAW(x)[i]

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