Method __tobytes

magic/compat.py:129–137

(b)

    @staticmethod
    def __tobytes(b):
        if b is None:
            return None
        if isinstance(b, bytes):
            return b
        try:  # keep Python 2 compatibility
            return bytes(b, 'utf-8')
        except TypeError:
            return bytes(b)

    def file(self, filename):
        """