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)