network.py 文件源码

def get_fqdn():
    """
    Return the current fqdn of the machine, trying hard to return a meaningful
    name.

    In particular, it means working against a NetworkManager bug which seems to
    make C{getfqdn} return localhost6.localdomain6 for machine without a domain
    since Maverick.
    """
    fqdn = socket.getfqdn()
    if "localhost" in fqdn:
        # Try the heavy artillery
        fqdn = socket.getaddrinfo(socket.gethostname(), None, socket.AF_INET,
                                  socket.SOCK_DGRAM, socket.IPPROTO_IP,
                                  socket.AI_CANONNAME)[0][3]
        if "localhost" in fqdn:
            # Another fallback
            fqdn = socket.gethostname()
    return fqdn