common.py 文件源码

def validate_ip_addr(addr, version=None):
    """
    Validates that an IP address is valid. Returns true if valid, false if
    not. Version can be "4", "6", None for "IPv4", "IPv6", or "either"
    respectively.
    """
    if version == 4:
        return netaddr.valid_ipv4(addr)
    elif version == 6:
        return netaddr.valid_ipv6(addr)
    else:
        return netaddr.valid_ipv4(addr) or netaddr.valid_ipv6(addr)