def validate_ip_network_address_prefix(address, prefix, strict=True):
'''
If address/prefix is a valid IP network when parsed according to strict,
return it as an ipnetwork object.
Otherwise, return None.
'''
ip_address = validate_ip_address(address)
if ip_address is None or ip_address.version not in [4,6]:
return None
try:
if ip_address.version == 4:
return ipaddress.IPv4Network((ip_address, prefix), strict=strict)
else:
return ipaddress.IPv6Network((ip_address, prefix), strict=strict)
except ValueError:
return None
python类IPv6Network()的实例源码
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def test_cidr_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select null::cidr")
self.assertTrue(cur.fetchone()[0] is None)
cur.execute("select '127.0.0.0/24'::cidr")
obj = cur.fetchone()[0]
self.assertTrue(isinstance(obj, ip.IPv4Network), repr(obj))
self.assertEqual(obj, ip.ip_network('127.0.0.0/24'))
cur.execute("select '::ffff:102:300/128'::cidr")
obj = cur.fetchone()[0]
self.assertTrue(isinstance(obj, ip.IPv6Network), repr(obj))
self.assertEqual(obj, ip.ip_network('::ffff:102:300/128'))
def test_cidr_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select null::cidr")
self.assert_(cur.fetchone()[0] is None)
cur.execute("select '127.0.0.0/24'::cidr")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv4Network), repr(obj))
self.assertEquals(obj, ip.ip_network('127.0.0.0/24'))
cur.execute("select '::ffff:102:300/128'::cidr")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv6Network), repr(obj))
self.assertEquals(obj, ip.ip_network('::ffff:102:300/128'))
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def perform_create(self, serializer, remote_ip):
captcha = (
ipaddress.ip_address(remote_ip) not in ipaddress.IPv6Network(os.environ['DESECSTACK_IPV6_SUBNET'])
and (
User.objects.filter(
created__gte=timezone.now()-timedelta(hours=settings.ABUSE_BY_REMOTE_IP_PERIOD_HRS),
registration_remote_ip=remote_ip
).count() >= settings.ABUSE_BY_REMOTE_IP_LIMIT
or
User.objects.filter(
created__gte=timezone.now() - timedelta(hours=settings.ABUSE_BY_EMAIL_HOSTNAME_PERIOD_HRS),
email__endswith=serializer.validated_data['email'].split('@')[-1]
).count() >= settings.ABUSE_BY_EMAIL_HOSTNAME_LIMIT
)
)
user = serializer.save(registration_remote_ip=remote_ip, captcha_required=captcha)
if user.captcha_required:
send_account_lock_email(self.request, user)
elif not user.dyn:
context = {'token': user.get_token()}
send_token_email(context, user)
signals.user_registered.send(sender=self.__class__, user=user, request=self.request)
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def test_cidr_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select null::cidr")
self.assertTrue(cur.fetchone()[0] is None)
cur.execute("select '127.0.0.0/24'::cidr")
obj = cur.fetchone()[0]
self.assertTrue(isinstance(obj, ip.IPv4Network), repr(obj))
self.assertEqual(obj, ip.ip_network('127.0.0.0/24'))
cur.execute("select '::ffff:102:300/128'::cidr")
obj = cur.fetchone()[0]
self.assertTrue(isinstance(obj, ip.IPv6Network), repr(obj))
self.assertEqual(obj, ip.ip_network('::ffff:102:300/128'))
def test_cidr_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select null::cidr")
self.assert_(cur.fetchone()[0] is None)
cur.execute("select '127.0.0.0/24'::cidr")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv4Network), repr(obj))
self.assertEquals(obj, ip.ip_network('127.0.0.0/24'))
cur.execute("select '::ffff:102:300/128'::cidr")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv6Network), repr(obj))
self.assertEquals(obj, ip.ip_network('::ffff:102:300/128'))
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def ip_address_get(value):
'''
Get an IP address from a string. Raises a GetError if the string
is not a valid IP address. Supports both IPv4 and IPv6.
'''
if isinstance(value, (ipaddress.IPv4Network, ipaddress.IPv6Network)):
raise GetError(
"%s not allowed to be converted to IP address, use class attributes" %
type(value).__name__,
)
try:
return ipaddress.ip_address(value)
except ValueError:
raise GetError("value '%s' is not a valid IPv4/IPv6 address" % value)
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
"""Initialise new IPPrefix instance."""
try:
obj = ipaddress.ip_address(value)
except Exception:
try:
obj = ipaddress.ip_network(value, strict=False)
except Exception:
raise
if type(obj) in [ipaddress.IPv4Address, ipaddress.IPv6Address]:
self.prefix = None
self.type = self.HOST
elif type(obj) in [ipaddress.IPv4Network, ipaddress.IPv6Network]:
self.prefix = obj.network_address
self.type = self.PREFIX
self.version = obj.version
self.txt = obj.compressed
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def __init__(self, value):
if not isinstance(
value,
(
ipaddress.IPv4Address,
ipaddress.IPv6Address,
ipaddress.IPv4Network,
ipaddress.IPv6Network
)
):
raise TypeError(
"value must be an instance of ipaddress.IPv4Address, "
"ipaddress.IPv6Address, ipaddress.IPv4Network, or "
"ipaddress.IPv6Network"
)
self._value = value
def test_cidr_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select null::cidr")
self.assert_(cur.fetchone()[0] is None)
cur.execute("select '127.0.0.0/24'::cidr")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv4Network), repr(obj))
self.assertEquals(obj, ip.ip_network('127.0.0.0/24'))
cur.execute("select '::ffff:102:300/128'::cidr")
obj = cur.fetchone()[0]
self.assert_(isinstance(obj, ip.IPv6Network), repr(obj))
self.assertEquals(obj, ip.ip_network('::ffff:102:300/128'))
def __init__(self, address: str, mask: int=32):
"""
:param address: The IP address
:param mask: this is the mask it should take for the number of hosts that you are planning to access
the mask can be a valid host mask or a valid net_mask or a num_digit slash.
host mask starts with 0 and contain either 0's and 255's
net masks start with 255 and contain either 0's and 255's
"""
try:
self.ip_address = Resolve(address)
self.__mask = mask
addr = self.ip_address + str(mask)
self.mask_addr = ipaddress.IPv4Network(addr, strict=False) if self.ip_address.version == "IPv4" else \
ipaddress.IPv6Network(addr, strict=False)
except UnResolvedException as unRes:
print(unRes.args[1])
sys.exit()
def _validate_ip_name(self, tree):
if any(isinstance(name, IPAddress) and not isinstance(
name.value, (ipaddress.IPv4Network, ipaddress.IPv6Network)
) for name in tree):
raise TypeError(
"IPAddress name constraints must be an IPv4Network or"
" IPv6Network object"
)
def _validate_ip_name(self, tree):
if any(isinstance(name, IPAddress) and not isinstance(
name.value, (ipaddress.IPv4Network, ipaddress.IPv6Network)
) for name in tree):
raise TypeError(
"IPAddress name constraints must be an IPv4Network or"
" IPv6Network object"
)
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)
def test_cidr_array_cast(self):
import ipaddress as ip
cur = self.conn.cursor()
psycopg2.extras.register_ipaddress(cur)
cur.execute("select '{NULL,127.0.0.1,::ffff:102:300/128}'::cidr[]")
l = cur.fetchone()[0]
self.assertTrue(l[0] is None)
self.assertEqual(l[1], ip.ip_network('127.0.0.1'))
self.assertEqual(l[2], ip.ip_network('::ffff:102:300/128'))
self.assertTrue(isinstance(l[1], ip.IPv4Network), l)
self.assertTrue(isinstance(l[2], ip.IPv6Network), l)
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)
