def user_is_authenticated(username):
    user = get_user(username)
    if user is not None:
        return user.is_authenticated()
    return False
get merge by groups of scans
dataset/ETHPy150Open DummyDivision/Tsune/terrain.py/user_is_authenticated--crossover with--dataset/ETHPy150Open xraypy/xraylarch/plugins/io/specfiledata.py/SpecfileData.get_mrgs_by