def gethostbyname_ex(self, hostname, family=AF_INET):
if isinstance(hostname, unicode):
hostname = hostname.encode('ascii')
elif not isinstance(hostname, str):
raise TypeError('Expected string, not %s' % type(hostname).__name__)
while True:
ares = self.ares
try:
waiter = Waiter(self.hub)
ares.gethostbyname(waiter, hostname, family)
result = waiter.get()
if not result[-1]:
raise gaierror(-5, 'No address associated with hostname')
return result
except gaierror:
if ares is self.ares:
raise
# "self.ares is not ares" means channel was destroyed (because we were forked)
python类gaierror()的实例源码
def gethostbyname_ex(self, hostname, family=AF_INET):
if isinstance(hostname, unicode):
hostname = hostname.encode('ascii')
elif not isinstance(hostname, str):
raise TypeError('Expected string, not %s' % type(hostname).__name__)
while True:
ares = self.ares
try:
waiter = Waiter(self.hub)
ares.gethostbyname(waiter, hostname, family)
result = waiter.get()
if not result[-1]:
raise gaierror(-5, 'No address associated with hostname')
return result
except gaierror:
if ares is self.ares:
raise
# "self.ares is not ares" means channel was destroyed (because we were forked)
def gethostbyname_ex(self, hostname, family=AF_INET):
if PY3:
if isinstance(hostname, str):
hostname = hostname.encode('idna')
elif not isinstance(hostname, (bytes, bytearray)):
raise TypeError('Expected es(idna), not %s' % type(hostname).__name__)
else:
if isinstance(hostname, text_type):
hostname = hostname.encode('ascii')
elif not isinstance(hostname, str):
raise TypeError('Expected string, not %s' % type(hostname).__name__)
while True:
ares = self.ares
try:
waiter = Waiter(self.hub)
ares.gethostbyname(waiter, hostname, family)
result = waiter.get()
if not result[-1]:
raise gaierror(-5, 'No address associated with hostname')
return result
except gaierror:
if ares is self.ares:
raise
# "self.ares is not ares" means channel was destroyed (because we were forked)
def gethostbyname_ex(self, hostname, family=AF_INET):
if isinstance(hostname, unicode):
hostname = hostname.encode('ascii')
elif not isinstance(hostname, str):
raise TypeError('Expected string, not %s' % type(hostname).__name__)
while True:
ares = self.ares
try:
waiter = Waiter(self.hub)
ares.gethostbyname(waiter, hostname, family)
result = waiter.get()
if not result[-1]:
raise gaierror(-5, 'No address associated with hostname')
return result
except gaierror:
if ares is self.ares:
raise
# "self.ares is not ares" means channel was destroyed (because we were forked)
def gethostbyname_ex(self, hostname, family=AF_INET):
if isinstance(hostname, unicode):
hostname = hostname.encode('ascii')
elif not isinstance(hostname, str):
raise TypeError('Expected string, not %s' % type(hostname).__name__)
while True:
ares = self.ares
try:
waiter = Waiter(self.hub)
ares.gethostbyname(waiter, hostname, family)
result = waiter.get()
if not result[-1]:
raise gaierror(-5, 'No address associated with hostname')
return result
except gaierror:
if ares is self.ares:
raise
# "self.ares is not ares" means channel was destroyed (because we were forked)
def gethostbyname_ex(self, hostname, family=AF_INET):
if isinstance(hostname, unicode):
hostname = hostname.encode('ascii')
elif not isinstance(hostname, str):
raise TypeError('Expected string, not %s' % type(hostname).__name__)
while True:
ares = self.ares
try:
waiter = Waiter(self.hub)
ares.gethostbyname(waiter, hostname, family)
result = waiter.get()
if not result[-1]:
raise gaierror(-5, 'No address associated with hostname')
return result
except gaierror:
if ares is self.ares:
raise
# "self.ares is not ares" means channel was destroyed (because we were forked)
def gethostbyname_ex(self, hostname, family=AF_INET):
if PY3:
if isinstance(hostname, str):
hostname = hostname.encode('idna')
elif not isinstance(hostname, (bytes, bytearray)):
raise TypeError('Expected es(idna), not %s' % type(hostname).__name__)
else:
if isinstance(hostname, text_type):
hostname = hostname.encode('ascii')
elif not isinstance(hostname, str):
raise TypeError('Expected string, not %s' % type(hostname).__name__)
while True:
ares = self.ares
try:
waiter = Waiter(self.hub)
ares.gethostbyname(waiter, hostname, family)
result = waiter.get()
if not result[-1]:
raise gaierror(-5, 'No address associated with hostname')
return result
except gaierror:
if ares is self.ares:
raise
# "self.ares is not ares" means channel was destroyed (because we were forked)
def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
while True:
ares = self.ares
try:
return self._getaddrinfo(host, port, family, socktype, proto, flags)
except gaierror:
if ares is self.ares:
raise
def gethostbyaddr(self, ip_address):
ip_address = _resolve_special(ip_address, AF_UNSPEC)
while True:
ares = self.ares
try:
return self._gethostbyaddr(ip_address)
except gaierror:
if ares is self.ares:
raise
def getnameinfo(self, sockaddr, flags):
while True:
ares = self.ares
try:
return self._getnameinfo(sockaddr, flags)
except gaierror:
if ares is self.ares:
raise
def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
while True:
ares = self.ares
try:
return self._getaddrinfo(host, port, family, socktype, proto, flags)
except gaierror:
if ares is self.ares:
raise
def gethostbyaddr(self, ip_address):
ip_address = _resolve_special(ip_address, AF_UNSPEC)
while True:
ares = self.ares
try:
return self._gethostbyaddr(ip_address)
except gaierror:
if ares is self.ares:
raise
def getnameinfo(self, sockaddr, flags):
while True:
ares = self.ares
try:
return self._getnameinfo(sockaddr, flags)
except gaierror:
if ares is self.ares:
raise
def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
while True:
ares = self.ares
try:
return self._getaddrinfo(host, port, family, socktype, proto, flags)
except gaierror:
if ares is self.ares:
raise
def gethostbyaddr(self, ip_address):
ip_address = _resolve_special(ip_address, AF_UNSPEC)
while True:
ares = self.ares
try:
return self._gethostbyaddr(ip_address)
except gaierror:
if ares is self.ares:
raise
def getnameinfo(self, sockaddr, flags):
while True:
ares = self.ares
try:
return self._getnameinfo(sockaddr, flags)
except gaierror:
if ares is self.ares:
raise
def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
while True:
ares = self.ares
try:
return self._getaddrinfo(host, port, family, socktype, proto, flags)
except gaierror:
if ares is self.ares:
raise
def gethostbyaddr(self, ip_address):
ip_address = _resolve_special(ip_address, AF_UNSPEC)
while True:
ares = self.ares
try:
return self._gethostbyaddr(ip_address)
except gaierror:
if ares is self.ares:
raise
def getnameinfo(self, sockaddr, flags):
while True:
ares = self.ares
try:
return self._getnameinfo(sockaddr, flags)
except gaierror:
if ares is self.ares:
raise
def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
while True:
ares = self.ares
try:
return self._getaddrinfo(host, port, family, socktype, proto, flags)
except gaierror:
if ares is self.ares:
raise
def gethostbyaddr(self, ip_address):
ip_address = _resolve_special(ip_address, AF_UNSPEC)
while True:
ares = self.ares
try:
return self._gethostbyaddr(ip_address)
except gaierror:
if ares is self.ares:
raise
def getnameinfo(self, sockaddr, flags):
while True:
ares = self.ares
try:
return self._getnameinfo(sockaddr, flags)
except gaierror:
if ares is self.ares:
raise
def gethostbyname_ex(self, hostname, family=AF_INET):
if PY3:
if isinstance(hostname, str):
hostname = hostname.encode('idna')
elif not isinstance(hostname, (bytes, bytearray)):
raise TypeError('Expected es(idna), not %s' % type(hostname).__name__)
else:
if isinstance(hostname, text_type):
hostname = hostname.encode('ascii')
elif not isinstance(hostname, str):
raise TypeError('Expected string, not %s' % type(hostname).__name__)
while True:
ares = self.ares
try:
waiter = Waiter(self.hub)
ares.gethostbyname(waiter, hostname, family)
result = waiter.get()
if not result[-1]:
raise gaierror(-5, 'No address associated with hostname')
return result
except gaierror:
if ares is self.ares:
if hostname == b'255.255.255.255':
# The stdlib handles this case in 2.7 and 3.x, but ares does not.
# It is tested by test_socket.py in 3.4.
# HACK: So hardcode the expected return.
return ('255.255.255.255', [], ['255.255.255.255'])
raise
# "self.ares is not ares" means channel was destroyed (because we were forked)
def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
while True:
ares = self.ares
try:
return self._getaddrinfo(host, port, family, socktype, proto, flags)
except gaierror:
if ares is self.ares:
raise
def gethostbyaddr(self, ip_address):
ip_address = _resolve_special(ip_address, AF_UNSPEC)
while True:
ares = self.ares
try:
return self._gethostbyaddr(ip_address)
except gaierror:
if ares is self.ares:
raise
def __init__(self, hub=None):
if hub is None:
hub = get_hub()
self.pool = hub.threadpool
if _socket.gaierror not in hub.NOT_ERROR:
# Do not cause lookup failures to get printed by the default
# error handler. This can be very noisy.
hub.NOT_ERROR += (_socket.gaierror, _socket.herror)
def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
while True:
ares = self.ares
try:
return self._getaddrinfo(host, port, family, socktype, proto, flags)
except gaierror:
if ares is self.ares:
raise
def gethostbyaddr(self, ip_address):
ip_address = _resolve_special(ip_address, AF_UNSPEC)
while True:
ares = self.ares
try:
return self._gethostbyaddr(ip_address)
except gaierror:
if ares is self.ares:
raise
def getnameinfo(self, sockaddr, flags):
while True:
ares = self.ares
try:
return self._getnameinfo(sockaddr, flags)
except gaierror:
if ares is self.ares:
raise
def getaddrinfo(self, host, port, family=0, socktype=0, proto=0, flags=0):
while True:
ares = self.ares
try:
return self._getaddrinfo(host, port, family, socktype, proto, flags)
except gaierror:
if ares is self.ares:
raise
