Python socket.EAI_NONAME Examples
The following are 30
code examples of socket.EAI_NONAME().
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Example #1
| Source File: netutil.py From tornado-zh with MIT License | 6 votes |
|
def is_valid_ip(ip):
"""Returns true if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or '\x00' in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(ip, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #2
| Source File: netutil.py From V1EngineeringInc-Docs with Creative Commons Attribution Share Alike 4.0 International | 6 votes |
|
def is_valid_ip(ip: str) -> bool:
"""Returns ``True`` if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or "\x00" in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(
ip, 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_NUMERICHOST
)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #3
| Source File: netutil.py From EventGhost with GNU General Public License v2.0 | 6 votes |
|
def is_valid_ip(ip):
"""Returns true if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or '\x00' in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(ip, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #4
| Source File: netutil.py From python-scripts with GNU General Public License v3.0 | 6 votes |
|
def is_valid_ip(ip):
"""Returns true if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or '\x00' in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(ip, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #5
| Source File: ce_snmp_target_host.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def check_ip_addr(ipaddr):
""" check_ip_addr, Supports IPv4 and IPv6 """
if not ipaddr or '\x00' in ipaddr:
return False
try:
res = socket.getaddrinfo(ipaddr, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #6
| Source File: ce_sflow.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def check_ip_addr(ipaddr):
"""check ip address, Supports IPv4 and IPv6"""
if not ipaddr or '\x00' in ipaddr:
return False
try:
res = socket.getaddrinfo(ipaddr, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #7
| Source File: ce_acl_advance.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def check_ip_addr(ipaddr):
""" check ip address, Supports IPv4 and IPv6 """
if not ipaddr or '\x00' in ipaddr:
return False
try:
res = socket.getaddrinfo(ipaddr, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #8
| Source File: ce_bfd_global.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def check_ip_addr(ipaddr):
"""check ip address, Supports IPv4 and IPv6"""
if not ipaddr or '\x00' in ipaddr:
return False
try:
res = socket.getaddrinfo(ipaddr, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
Example #9
| Source File: ce_acl.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def check_ip_addr(ipaddr):
""" check_ip_addr, Supports IPv4 and IPv6 """
if not ipaddr or '\x00' in ipaddr:
return False
try:
res = socket.getaddrinfo(ipaddr, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #10
| Source File: ce_bgp_neighbor_af.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def check_ip_addr(**kwargs):
""" check_ip_addr, Supports IPv4 and IPv6 """
ipaddr = kwargs["ipaddr"]
if not ipaddr or '\x00' in ipaddr:
return False
try:
res = socket.getaddrinfo(ipaddr, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #11
| Source File: ce_aaa_server_host.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def check_ip_addr(ipaddr):
""" check_ip_addr, Supports IPv4 and IPv6 """
if not ipaddr or '\x00' in ipaddr:
return False
try:
res = socket.getaddrinfo(ipaddr, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #12
| Source File: ce_bfd_session.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def check_ip_addr(ipaddr):
"""check ip address, Supports IPv4 and IPv6"""
if not ipaddr or '\x00' in ipaddr:
return False
try:
res = socket.getaddrinfo(ipaddr, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #13
| Source File: ce_bgp_af.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def check_ip_addr(**kwargs):
""" check_ip_addr, Supports IPv4 and IPv6"""
ipaddr = kwargs["ipaddr"]
if not ipaddr or '\x00' in ipaddr:
return False
try:
res = socket.getaddrinfo(ipaddr, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #14
| Source File: ce_info_center_global.py From CloudEngine-Ansible with GNU General Public License v3.0 | 6 votes |
|
def is_valid_address(address):
""" check ip address, Supports IPv4 and IPv6"""
if not address or '\x00' in address:
return False
try:
res = socket.getaddrinfo(address, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror:
err = sys.exc_info()[1]
if err.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #15
| Source File: netutil.py From pySINDy with MIT License | 6 votes |
|
def is_valid_ip(ip):
"""Returns true if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or '\x00' in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(ip, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #16
| Source File: netutil.py From teleport with Apache License 2.0 | 6 votes |
|
def is_valid_ip(ip: str) -> bool:
"""Returns ``True`` if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or "\x00" in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(
ip, 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_NUMERICHOST
)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #17
| Source File: netutil.py From teleport with Apache License 2.0 | 6 votes |
|
def is_valid_ip(ip: str) -> bool:
"""Returns ``True`` if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or "\x00" in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(
ip, 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_NUMERICHOST
)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #18
| Source File: netutil.py From teleport with Apache License 2.0 | 6 votes |
|
def is_valid_ip(ip):
"""Returns true if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or '\x00' in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(ip, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #19
| Source File: netutil.py From tornado-zh with MIT License | 6 votes |
|
def is_valid_ip(ip):
"""Returns true if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or '\x00' in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(ip, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #20
| Source File: util.py From pyvpn with The Unlicense | 6 votes |
|
def is_valid_ip(ip):
"""Returns true if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
//取自 tornado
"""
if not ip or '\x00' in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(ip, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #21
| Source File: netutil.py From opendevops with GNU General Public License v3.0 | 6 votes |
|
def is_valid_ip(ip: str) -> bool:
"""Returns ``True`` if the given string is a well-formed IP address.
Supports IPv4 and IPv6.
"""
if not ip or "\x00" in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(
ip, 0, socket.AF_UNSPEC, socket.SOCK_STREAM, 0, socket.AI_NUMERICHOST
)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
return True
Example #22
| Source File: utils.py From open_dnsdb with Apache License 2.0 | 5 votes |
|
def is_valid_ip_bysocket(ip):
if not ip or '\x00' in ip:
# getaddrinfo resolves empty strings to localhost, and truncates
# on zero bytes.
return False
try:
res = socket.getaddrinfo(ip, 0, socket.AF_UNSPEC,
socket.SOCK_STREAM,
0, socket.AI_NUMERICHOST)
return bool(res)
except socket.gaierror as e:
if e.args[0] == socket.EAI_NONAME:
return False
raise
Example #23
| Source File: tls.py From integrations-core with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def create_connection(self):
"""See: https://github.com/python/cpython/blob/40ee9a3640d702bce127e9877c82a99ce817f0d1/Lib/socket.py#L691"""
err = None
try:
for res in socket.getaddrinfo(self._server, self._port, 0, self._sock_type):
af, socktype, proto, canonname, sa = res
sock = None
try:
sock = socket.socket(af, socktype, proto)
sock.settimeout(self._timeout)
sock.connect(sa)
# Break explicitly a reference cycle
err = None
return sock
except socket.error as _:
err = _
if sock is not None:
sock.close()
if err is not None:
raise err
else:
raise socket.error('No valid addresses found, try checking your IPv6 connectivity') # noqa: G
except socket.gaierror as e:
err_code, message = e.args
if err_code == socket.EAI_NODATA or err_code == socket.EAI_NONAME:
raise socket.error('Unable to resolve host, check your DNS: {}'.format(message)) # noqa: G
raise
Example #24
| Source File: test_socket.py From CTFCrackTools with GNU General Public License v3.0 | 5 votes |
|
def testNI_NAMEREQD(self):
# This test may delay for some seconds
unreversible_address = "198.51.100.1"
try:
socket.getnameinfo( (unreversible_address, 80), socket.NI_NAMEREQD)
except socket.gaierror, ge:
self.failUnlessEqual(ge[0], socket.EAI_NONAME)
Example #25
| Source File: test_network.py From maas with GNU Affero General Public License v3.0 | 5 votes |
|
def test_returns_empty_if_address_does_not_resolve(self):
self.patch_getaddrinfo_fail(
gaierror(EAI_NONAME, "Name or service not known")
)
self.assertEqual(set(), resolve_hostname(factory.make_hostname(), 4))
Example #26
| Source File: config.py From maas with GNU Affero General Public License v3.0 | 5 votes |
|
def _gen_addresses_where_possible(hostname):
"""Yield IPv4 and IPv6 addresses for `hostname`.
A variant of `_gen_addresses` that ignores some resolution failures. The
addresses returned are only those that are resolvable at the time this
function is called. Specifically the following errors are ignored:
+----------------+-----------------------------------------------+
| EAI_ADDRFAMILY | The specified network host does not have any |
| | network addresses in the requested address |
| | family. |
+----------------+-----------------------------------------------+
| EAI_AGAIN | The name server returned a temporary failure |
| | indication. Try again later. |
+----------------+-----------------------------------------------+
| EAI_FAIL | The name server returned a permanent failure |
| | indication. |
+----------------+-----------------------------------------------+
| EAI_NODATA | The specified network host exists, but does |
| | not have any network addresses defined. |
+----------------+-----------------------------------------------+
| EAI_NONAME | The node or service is not known; or both node|
| | and service are NULL; or AI_NUMERICSERV was |
| | specified and service was not a numeric |
| | port-number string. |
+----------------+-----------------------------------------------+
Descriptions from getaddrinfo(3).
"""
try:
yield from _gen_addresses(hostname)
except socket.gaierror as error:
if error.errno in _gen_addresses_where_possible_suppress:
# Log this but otherwise suppress/ignore for now.
logger.warning("Could not resolve %s: %s", hostname, error)
else:
raise
Example #27
| Source File: test_socket.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 5 votes |
|
def testNI_NAMEREQD(self):
# This test may delay for some seconds
unreversible_address = "198.51.100.1"
try:
socket.getnameinfo( (unreversible_address, 80), socket.NI_NAMEREQD)
except socket.gaierror, ge:
self.failUnlessEqual(ge[0], socket.EAI_NONAME)
Example #28
| Source File: google.py From pghoard with Apache License 2.0 | 5 votes |
|
def _retry_on_reset(self, request, action):
retries = 60
retry_wait = 2
while True:
try:
return action()
except (IncompleteRead, HttpError, ssl.SSLEOFError, socket.timeout, OSError, socket.gaierror) as ex:
# Note that socket.timeout and ssl.SSLEOFError inherit from OSError
# and the order of handling the errors here needs to be correct
if not retries:
raise
elif isinstance(ex, (IncompleteRead, socket.timeout, ssl.SSLEOFError, BrokenPipeError)):
pass # just retry with the same sleep amount
elif isinstance(ex, HttpError):
# https://cloud.google.com/storage/docs/json_api/v1/status-codes
# https://cloud.google.com/storage/docs/exponential-backoff
if ex.resp["status"] not in ("429", "500", "502", "503", "504"): # pylint: disable=no-member
raise
retry_wait = min(10.0, max(1.0, retry_wait * 2) + random.random())
# httplib2 commonly fails with Bad File Descriptor and Connection Reset
elif isinstance(ex, OSError) and ex.errno not in [errno.EAGAIN, errno.EBADF, errno.ECONNRESET]:
raise
# getaddrinfo sometimes fails with "Name or service not known"
elif isinstance(ex, socket.gaierror) and ex.errno != socket.EAI_NONAME:
raise
self.log.warning("%s failed: %s (%s), retrying in %.2fs",
action, ex.__class__.__name__, ex, retry_wait)
# we want to reset the http connection state in case of error
if request and hasattr(request, "http"):
request.http.connections.clear() # reset connection cache
retries -= 1
time.sleep(retry_wait)
Example #29
| Source File: test_socket.py From medicare-demo with Apache License 2.0 | 5 votes |
|
def testNI_NAMEREQD(self):
# This test may delay for some seconds
unreversible_address = "198.51.100.1"
try:
socket.getnameinfo( (unreversible_address, 80), socket.NI_NAMEREQD)
except socket.gaierror, ge:
self.failUnlessEqual(ge[0], socket.EAI_NONAME)
Example #30
| Source File: test_tcp.py From learn_python3_spider with MIT License | 5 votes |
|
def test_resolveNumericHost(self):
"""
L{_resolveIPv6} raises a L{socket.gaierror} (L{socket.EAI_NONAME}) when
invoked with a non-numeric host. (In other words, it is passing
L{socket.AI_NUMERICHOST} to L{socket.getaddrinfo} and will not
accidentally block if it receives bad input.)
"""
err = self.assertRaises(socket.gaierror, _resolveIPv6, "localhost", 1)
self.assertEqual(err.args[0], socket.EAI_NONAME)
