neutron.py 文件源码

def parse_vlan_range_mappings(mappings):
    """Parse vlan range mappings.

    Mappings must be a space-delimited list of provider:start:end mappings.

    The start:end range is optional and may be omitted.

    Returns dict of the form {provider: (start, end)}.
    """
    _mappings = parse_mappings(mappings)
    if not _mappings:
        return {}

    mappings = {}
    for p, r in six.iteritems(_mappings):
        mappings[p] = tuple(r.split(':'))

    return mappings