Function to_bytes

scrapy/utils/python.py:88–101

Return the binary representation of ``text``. If ``text`` is already a bytes object, return it as-is.

(
    text: str | bytes, encoding: str | None = None, errors: str = "strict"
)

def to_bytes(
    text: str | bytes, encoding: str | None = None, errors: str = "strict"
) -> bytes:
    """Return the binary representation of ``text``. If ``text``
    is already a bytes object, return it as-is."""
    if isinstance(text, bytes):
        return text
    if not isinstance(text, str):
        raise TypeError(
            f"to_bytes must receive a str or bytes object, got {type(text).__name__}"
        )
    if encoding is None:
        encoding = "utf-8"
    return text.encode(encoding, errors)


def _chunk_iter(text: str, chunk_size: int) -> Iterable[tuple[str, int]]: