_ipaddress.py 文件源码

def register_ipaddress(conn_or_curs=None):
    """
    Register conversion support between `ipaddress` objects and `network types`__.

    :param conn_or_curs: the scope where to register the type casters.
        If `!None` register them globally.

    After the function is called, PostgreSQL :sql:`inet` values will be
    converted into `~ipaddress.IPv4Interface` or `~ipaddress.IPv6Interface`
    objects, :sql:`cidr` values into into `~ipaddress.IPv4Network` or
    `~ipaddress.IPv6Network`.

    .. __: https://www.postgresql.org/docs/current/static/datatype-net-types.html
    """
    global ipaddress
    import ipaddress

    global _casters
    if _casters is None:
        _casters = _make_casters()

    for c in _casters:
        register_type(c, conn_or_curs)

    for t in [ipaddress.IPv4Interface, ipaddress.IPv6Interface,
              ipaddress.IPv4Network, ipaddress.IPv6Network]:
        register_adapter(t, adapt_ipaddress)