def optional(args, key):
    return key in args and args[key] or None
Get projects from the local index.
dataset/ETHPy150Open nii-cloud/dodai-compute/plugins/xenserver/xenapi/etc/xapi.d/plugins/pluginlib_nova.py/optional--crossover with--dataset/ETHPy150Open jessemyers/cheddar/cheddar/index/combined.py/CombinedIndex.get_projects