from pathlib import Path

_LOGO_PATH = Path(__file__).resolve().parent / 'templates' / 'static' / 'exa-logo.png'

EXA_LOGO_CID = 'exa-logo'


def get_exa_logo_png() -> bytes | None:
    if not _LOGO_PATH.is_file():
        return None
    return _LOGO_PATH.read_bytes()