flags.py 文件源码

def process_inline_members_definition(members):
    """
    :param members: this can be any of the following:
    - a string containing a space and/or comma separated list of names: e.g.:
      "item1 item2 item3" OR "item1,item2,item3" OR "item1, item2, item3"
    - tuple/list/Set of strings (names)
    - Mapping of (name, data) pairs
    - any kind of iterable that yields (name, data) pairs
    :return: An iterable of (name, data) pairs.
    """
    if isinstance(members, str):
        members = ((name, UNDEFINED) for name in members.replace(',', ' ').split())
    elif isinstance(members, (tuple, list, collections.Set)):
        if members and isinstance(next(iter(members)), str):
            members = ((name, UNDEFINED) for name in members)
    elif isinstance(members, collections.Mapping):
        members = members.items()
    return members