Function get_best_encoding

src/click/_compat.py:48–53

Returns the default stream encoding if not found.

(stream: t.IO[t.Any])

def get_best_encoding(stream: t.IO[t.Any]) -> str:
    """Returns the default stream encoding if not found."""
    rv = getattr(stream, "encoding", None) or sys.getdefaultencoding()
    if is_ascii_encoding(rv):
        return "utf-8"
    return rv


class _NonClosingTextIOWrapper(io.TextIOWrapper):