Function dump

src/textual/_binary_encode.py:28–166

Encodes a data structure into bytes. Args: data: Data structure Returns: A byte string encoding the data.

(data: object)

def dump(data: object) -> bytes:
    """Encodes a data structure into bytes.

    Args:
        data: Data structure

    Returns:
        A byte string encoding the data.
    """

    def encode_none(_datum: None) -> bytes:
        """
        Encodes a None value.

        Args:
            datum: Always None.

        Returns:
            None encoded.
        """
        return b"N"

    def encode_bool(datum: bool) -> bytes:
        """
        Encode a boolean value.

        Args:
            datum: The boolean value to encode.

        Returns:
            The encoded bytes.
        """
        return b"T" if datum else b"F"

    def encode_int(datum: int) -> bytes:
        """
        Encode an integer value.

        Args:
            datum: The integer value to encode.

        Returns:
            The encoded bytes.
        """
        return b"i%ie" % datum

    def encode_bytes(datum: bytes) -> bytes:
        """
        Encode a bytes value.

        Args:
            datum: The bytes value to encode.

        Returns:
            The encoded bytes.
        """
        return b"%i:%s" % (len(datum), datum)