def _valid_cookie_name(key):
    return isinstance(key, bytes) and not (
        _needs_quoting(key)
        or key[0] == _b_dollar_sign
        or key.lower() in _c_keys
    )
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/webob-1.2.3/webob/cookies.py/_valid_cookie_name/original