localif.py 文件源码

def __init__(self,
                 data   # Data suitable for this class
                 ):

        valid, message = data_is_valid(data)
        if not valid:
            raise ValueError("Invalid data: %s" % message)

        self.cidrs = []
        for iface in netifaces.interfaces():
            ifaddrs = netifaces.ifaddresses(iface)
            if netifaces.AF_INET in ifaddrs:
                for ifaddr in ifaddrs[netifaces.AF_INET]:
                    if 'addr' in ifaddr:
                        self.cidrs.append(ipaddr.IPNetwork(ifaddr['addr']))
            if netifaces.AF_INET6 in ifaddrs:
                for ifaddr in ifaddrs[netifaces.AF_INET6]:
                    if 'addr' in ifaddr:
                        #add v6 but remove stuff like %eth0 that gets thrown on end of some addrs
                        self.cidrs.append(ipaddr.IPNetwork(ifaddr['addr'].split('%')[0]))