Python socket.sock() Examples
The following are 30
code examples of socket.sock().
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Example #1
| Source File: connection.py From scalyr-agent-2 with Apache License 2.0 | 6 votes |
|
def connect(self):
"Connects to the Redis server if not already connected"
if self._sock:
return
try:
sock = self._connect()
except socket.timeout:
raise TimeoutError("Timeout connecting to server")
except socket.error:
e = sys.exc_info()[1]
raise ConnectionError(self._error_message(e))
self._sock = sock
try:
self.on_connect()
except RedisError:
# clean up after any error in on_connect
self.disconnect()
raise
# run any user callbacks. right now the only internal callback
# is for pubsub channel/pattern resubscription
for callback in self._connect_callbacks:
callback(self)
Example #2
| Source File: connection.py From satori with Apache License 2.0 | 6 votes |
|
def connect(self):
"Connects to the Redis server if not already connected"
if self._sock:
return
try:
sock = self._connect()
except socket.error:
e = sys.exc_info()[1]
raise ConnectionError(self._error_message(e))
self._sock = sock
try:
self.on_connect()
except RedisError:
# clean up after any error in on_connect
self.disconnect()
raise
# run any user callbacks. right now the only internal callback
# is for pubsub channel/pattern resubscription
for callback in self._connect_callbacks:
callback(self)
Example #3
| Source File: connection.py From gimel with MIT License | 6 votes |
|
def connect(self):
"Connects to the Redis server if not already connected"
if self._sock:
return
try:
sock = self._connect()
except socket.error:
e = sys.exc_info()[1]
raise ConnectionError(self._error_message(e))
self._sock = sock
try:
self.on_connect()
except RedisError:
# clean up after any error in on_connect
self.disconnect()
raise
# run any user callbacks. right now the only internal callback
# is for pubsub channel/pattern resubscription
for callback in self._connect_callbacks:
callback(self)
Example #4
| Source File: connection.py From Flask with Apache License 2.0 | 6 votes |
|
def connect(self):
"Connects to the Redis server if not already connected"
if self._sock:
return
try:
sock = self._connect()
except socket.error:
e = sys.exc_info()[1]
raise ConnectionError(self._error_message(e))
self._sock = sock
try:
self.on_connect()
except RedisError:
# clean up after any error in on_connect
self.disconnect()
raise
# run any user callbacks. right now the only internal callback
# is for pubsub channel/pattern resubscription
for callback in self._connect_callbacks:
callback(self)
Example #5
| Source File: connection.py From learn_python3_spider with MIT License | 6 votes |
|
def connect(self):
"Connects to the Redis server if not already connected"
if self._sock:
return
try:
sock = self._connect()
except socket.timeout:
raise TimeoutError("Timeout connecting to server")
except socket.error:
e = sys.exc_info()[1]
raise ConnectionError(self._error_message(e))
self._sock = sock
try:
self.on_connect()
except RedisError:
# clean up after any error in on_connect
self.disconnect()
raise
# run any user callbacks. right now the only internal callback
# is for pubsub channel/pattern resubscription
for callback in self._connect_callbacks:
callback(self)
Example #6
| Source File: connection.py From revsync with MIT License | 6 votes |
|
def connect(self):
"Connects to the Redis server if not already connected"
if self._sock:
return
try:
sock = self._connect()
except socket.timeout:
raise TimeoutError("Timeout connecting to server")
except socket.error:
e = sys.exc_info()[1]
raise ConnectionError(self._error_message(e))
self._sock = sock
try:
self.on_connect()
except RedisError:
# clean up after any error in on_connect
self.disconnect()
raise
# run any user callbacks. right now the only internal callback
# is for pubsub channel/pattern resubscription
for callback in self._connect_callbacks:
callback(self)
Example #7
| Source File: connection.py From revsync with MIT License | 5 votes |
|
def can_read(self, timeout=0):
"Poll the socket to see if there's data that can be read."
sock = self._sock
if not sock:
self.connect()
sock = self._sock
return self._parser.can_read() or \
bool(select([sock], [], [], timeout)[0])
Example #8
| Source File: connection.py From scalyr-agent-2 with Apache License 2.0 | 5 votes |
|
def can_read(self, timeout=0):
"Poll the socket to see if there's data that can be read."
sock = self._sock
if not sock:
self.connect()
sock = self._sock
return self._parser.can_read() or \
bool(select([sock], [], [], timeout)[0])
Example #9
| Source File: connection.py From scalyr-agent-2 with Apache License 2.0 | 5 votes |
|
def _connect(self):
"Wrap the socket with SSL support"
sock = super(SSLConnection, self)._connect()
sock = ssl.wrap_socket(sock,
cert_reqs=self.cert_reqs,
keyfile=self.keyfile,
certfile=self.certfile,
ca_certs=self.ca_certs)
return sock
Example #10
| Source File: connection.py From scalyr-agent-2 with Apache License 2.0 | 5 votes |
|
def _connect(self):
"Create a Unix domain socket connection"
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.settimeout(self.socket_timeout)
sock.connect(self.path)
return sock
Example #11
| Source File: connection.py From revsync with MIT License | 5 votes |
|
def _connect(self):
"Create a TCP socket connection"
# we want to mimic what socket.create_connection does to support
# ipv4/ipv6, but we want to set options prior to calling
# socket.connect()
err = None
for res in socket.getaddrinfo(self.host, self.port, 0,
socket.SOCK_STREAM):
family, socktype, proto, canonname, socket_address = res
sock = None
try:
sock = socket.socket(family, socktype, proto)
# TCP_NODELAY
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# TCP_KEEPALIVE
if self.socket_keepalive:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
for k, v in iteritems(self.socket_keepalive_options):
sock.setsockopt(socket.SOL_TCP, k, v)
# set the socket_connect_timeout before we connect
sock.settimeout(self.socket_connect_timeout)
# connect
sock.connect(socket_address)
# set the socket_timeout now that we're connected
sock.settimeout(self.socket_timeout)
return sock
except socket.error as _:
err = _
if sock is not None:
sock.close()
if err is not None:
raise err
raise socket.error("socket.getaddrinfo returned an empty list")
Example #12
| Source File: connection.py From learn_python3_spider with MIT License | 5 votes |
|
def _connect(self):
"Create a Unix domain socket connection"
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.settimeout(self.socket_timeout)
sock.connect(self.path)
return sock
Example #13
| Source File: connection.py From revsync with MIT License | 5 votes |
|
def _connect(self):
"Wrap the socket with SSL support"
sock = super(SSLConnection, self)._connect()
sock = ssl.wrap_socket(sock,
cert_reqs=self.cert_reqs,
keyfile=self.keyfile,
certfile=self.certfile,
ca_certs=self.ca_certs)
return sock
Example #14
| Source File: connection.py From revsync with MIT License | 5 votes |
|
def _connect(self):
"Create a Unix domain socket connection"
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.settimeout(self.socket_timeout)
sock.connect(self.path)
return sock
Example #15
| Source File: connection.py From Flask with Apache License 2.0 | 5 votes |
|
def _connect(self):
"Create a TCP socket connection"
# we want to mimic what socket.create_connection does to support
# ipv4/ipv6, but we want to set options prior to calling
# socket.connect()
err = None
for res in socket.getaddrinfo(self.host, self.port, 0,
socket.SOCK_STREAM):
family, socktype, proto, canonname, socket_address = res
sock = None
try:
sock = socket.socket(family, socktype, proto)
# TCP_NODELAY
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# TCP_KEEPALIVE
if self.socket_keepalive:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
for k, v in iteritems(self.socket_keepalive_options):
sock.setsockopt(socket.SOL_TCP, k, v)
# set the socket_connect_timeout before we connect
sock.settimeout(self.socket_connect_timeout)
# connect
sock.connect(socket_address)
# set the socket_timeout now that we're connected
sock.settimeout(self.socket_timeout)
return sock
except socket.error as _:
err = _
if sock is not None:
sock.close()
if err is not None:
raise err
raise socket.error("socket.getaddrinfo returned an empty list")
Example #16
| Source File: connection.py From Flask with Apache License 2.0 | 5 votes |
|
def can_read(self):
"Poll the socket to see if there's data that can be read."
sock = self._sock
if not sock:
self.connect()
sock = self._sock
return bool(select([sock], [], [], 0)[0]) or self._parser.can_read()
Example #17
| Source File: connection.py From Flask with Apache License 2.0 | 5 votes |
|
def _connect(self):
"Wrap the socket with SSL support"
sock = super(SSLConnection, self)._connect()
sock = ssl.wrap_socket(sock,
cert_reqs=self.cert_reqs,
keyfile=self.keyfile,
certfile=self.certfile,
ca_certs=self.ca_certs)
return sock
Example #18
| Source File: connection.py From Flask with Apache License 2.0 | 5 votes |
|
def _connect(self):
"Create a Unix domain socket connection"
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.settimeout(self.socket_timeout)
sock.connect(self.path)
return sock
Example #19
| Source File: connection.py From scalyr-agent-2 with Apache License 2.0 | 5 votes |
|
def _connect(self):
"Create a TCP socket connection"
# we want to mimic what socket.create_connection does to support
# ipv4/ipv6, but we want to set options prior to calling
# socket.connect()
err = None
for res in socket.getaddrinfo(self.host, self.port, 0,
socket.SOCK_STREAM):
family, socktype, proto, canonname, socket_address = res
sock = None
try:
sock = socket.socket(family, socktype, proto)
# TCP_NODELAY
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# TCP_KEEPALIVE
if self.socket_keepalive:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
for k, v in iteritems(self.socket_keepalive_options):
sock.setsockopt(socket.SOL_TCP, k, v)
# set the socket_connect_timeout before we connect
sock.settimeout(self.socket_connect_timeout)
# connect
sock.connect(socket_address)
# set the socket_timeout now that we're connected
sock.settimeout(self.socket_timeout)
return sock
except socket.error as _:
err = _
if sock is not None:
sock.close()
if err is not None:
raise err
raise socket.error("socket.getaddrinfo returned an empty list")
Example #20
| Source File: connection.py From learn_python3_spider with MIT License | 5 votes |
|
def can_read(self, timeout=0):
"Poll the socket to see if there's data that can be read."
sock = self._sock
if not sock:
self.connect()
sock = self._sock
return self._parser.can_read(timeout)
Example #21
| Source File: connection.py From learn_python3_spider with MIT License | 5 votes |
|
def _connect(self):
"Create a TCP socket connection"
# we want to mimic what socket.create_connection does to support
# ipv4/ipv6, but we want to set options prior to calling
# socket.connect()
err = None
for res in socket.getaddrinfo(self.host, self.port, self.socket_type,
socket.SOCK_STREAM):
family, socktype, proto, canonname, socket_address = res
sock = None
try:
sock = socket.socket(family, socktype, proto)
# TCP_NODELAY
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# TCP_KEEPALIVE
if self.socket_keepalive:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
for k, v in iteritems(self.socket_keepalive_options):
sock.setsockopt(socket.IPPROTO_TCP, k, v)
# set the socket_connect_timeout before we connect
sock.settimeout(self.socket_connect_timeout)
# connect
sock.connect(socket_address)
# set the socket_timeout now that we're connected
sock.settimeout(self.socket_timeout)
return sock
except socket.error as _:
err = _
if sock is not None:
sock.close()
if err is not None:
raise err
raise socket.error("socket.getaddrinfo returned an empty list")
Example #22
| Source File: connection.py From learn_python3_spider with MIT License | 5 votes |
|
def read_from_socket(self, timeout=SENTINEL, raise_on_timeout=True):
sock = self._sock
custom_timeout = timeout is not SENTINEL
try:
if custom_timeout:
sock.settimeout(timeout)
if HIREDIS_USE_BYTE_BUFFER:
bufflen = recv_into(self._sock, self._buffer)
if bufflen == 0:
raise ConnectionError(SERVER_CLOSED_CONNECTION_ERROR)
self._reader.feed(self._buffer, 0, bufflen)
else:
buffer = recv(self._sock, self.socket_read_size)
# an empty string indicates the server shutdown the socket
if not isinstance(buffer, bytes) or len(buffer) == 0:
raise ConnectionError(SERVER_CLOSED_CONNECTION_ERROR)
self._reader.feed(buffer)
# data was read from the socket and added to the buffer.
# return True to indicate that data was read.
return True
except socket.timeout:
if raise_on_timeout:
raise TimeoutError("Timeout reading from socket")
return False
except NONBLOCKING_EXCEPTIONS as ex:
# if we're in nonblocking mode and the recv raises a
# blocking error, simply return False indicating that
# there's no data to be read. otherwise raise the
# original exception.
allowed = NONBLOCKING_EXCEPTION_ERROR_NUMBERS.get(ex.__class__, -1)
if not raise_on_timeout and ex.errno == allowed:
return False
raise ConnectionError("Error while reading from socket: %s" %
(ex.args,))
finally:
if custom_timeout:
sock.settimeout(self._socket_timeout)
Example #23
| Source File: connection.py From gimel with MIT License | 5 votes |
|
def _connect(self):
"Create a Unix domain socket connection"
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.settimeout(self.socket_timeout)
sock.connect(self.path)
return sock
Example #24
| Source File: connection.py From gimel with MIT License | 5 votes |
|
def _connect(self):
"Wrap the socket with SSL support"
sock = super(SSLConnection, self)._connect()
sock = ssl.wrap_socket(sock,
cert_reqs=self.cert_reqs,
keyfile=self.keyfile,
certfile=self.certfile,
ca_certs=self.ca_certs)
return sock
Example #25
| Source File: connection.py From gimel with MIT License | 5 votes |
|
def can_read(self, timeout=0):
"Poll the socket to see if there's data that can be read."
sock = self._sock
if not sock:
self.connect()
sock = self._sock
return self._parser.can_read() or \
bool(select([sock], [], [], timeout)[0])
Example #26
| Source File: connection.py From gimel with MIT License | 5 votes |
|
def _connect(self):
"Create a TCP socket connection"
# we want to mimic what socket.create_connection does to support
# ipv4/ipv6, but we want to set options prior to calling
# socket.connect()
err = None
for res in socket.getaddrinfo(self.host, self.port, 0,
socket.SOCK_STREAM):
family, socktype, proto, canonname, socket_address = res
sock = None
try:
sock = socket.socket(family, socktype, proto)
# TCP_NODELAY
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# TCP_KEEPALIVE
if self.socket_keepalive:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
for k, v in iteritems(self.socket_keepalive_options):
sock.setsockopt(socket.SOL_TCP, k, v)
# set the socket_connect_timeout before we connect
sock.settimeout(self.socket_connect_timeout)
# connect
sock.connect(socket_address)
# set the socket_timeout now that we're connected
sock.settimeout(self.socket_timeout)
return sock
except socket.error as _:
err = _
if sock is not None:
sock.close()
if err is not None:
raise err
raise socket.error("socket.getaddrinfo returned an empty list")
Example #27
| Source File: connection.py From satori with Apache License 2.0 | 5 votes |
|
def _connect(self):
"Create a Unix domain socket connection"
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.settimeout(self.socket_timeout)
sock.connect(self.path)
return sock
Example #28
| Source File: connection.py From satori with Apache License 2.0 | 5 votes |
|
def _connect(self):
"Wrap the socket with SSL support"
sock = super(SSLConnection, self)._connect()
sock = ssl.wrap_socket(sock,
cert_reqs=self.cert_reqs,
keyfile=self.keyfile,
certfile=self.certfile,
ca_certs=self.ca_certs)
return sock
Example #29
| Source File: connection.py From satori with Apache License 2.0 | 5 votes |
|
def can_read(self, timeout=0):
"Poll the socket to see if there's data that can be read."
sock = self._sock
if not sock:
self.connect()
sock = self._sock
return self._parser.can_read() or \
bool(select([sock], [], [], timeout)[0])
Example #30
| Source File: connection.py From satori with Apache License 2.0 | 5 votes |
|
def _connect(self):
"Create a TCP socket connection"
# we want to mimic what socket.create_connection does to support
# ipv4/ipv6, but we want to set options prior to calling
# socket.connect()
err = None
for res in socket.getaddrinfo(self.host, self.port, 0,
socket.SOCK_STREAM):
family, socktype, proto, canonname, socket_address = res
sock = None
try:
sock = socket.socket(family, socktype, proto)
# TCP_NODELAY
sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
# TCP_KEEPALIVE
if self.socket_keepalive:
sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
for k, v in iteritems(self.socket_keepalive_options):
sock.setsockopt(socket.SOL_TCP, k, v)
# set the socket_connect_timeout before we connect
sock.settimeout(self.socket_connect_timeout)
# connect
sock.connect(socket_address)
# set the socket_timeout now that we're connected
sock.settimeout(self.socket_timeout)
return sock
except socket.error as _:
err = _
if sock is not None:
sock.close()
if err is not None:
raise err
raise socket.error("socket.getaddrinfo returned an empty list")
