Function get_stream_enc

IPython/utils/encoding.py:25–36

Return the given stream's encoding or a default. There are cases where ``sys.std*`` might not actually be a stream, so check for the encoding attribute prior to returning it, and return a default if it doesn't exist or evaluates as False. ``default`` is None if not provided.

(stream: Any, default: str | None = None)

# to deal with the possibility of sys.std* not being a stream at all
def get_stream_enc(stream: Any, default: str | None = None) -> str | None:
    """Return the given stream's encoding or a default.

    There are cases where ``sys.std*`` might not actually be a stream, so
    check for the encoding attribute prior to returning it, and return
    a default if it doesn't exist or evaluates as False. ``default``
    is None if not provided.
    """
    if not hasattr(stream, "encoding") or not stream.encoding:
        return default
    else:
        return stream.encoding


_sentinel: object = object()