Python _socket.socket方法代码示例

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def socketpair(family=None, type=SOCK_STREAM, proto=0):
        """socketpair([family[, type[, proto]]]) -> (socket object, socket object)

        Create a pair of socket objects from the sockets returned by the platform
        socketpair() function.
        The arguments are the same as for socket() except the default family is
        AF_UNIX if defined on the platform; otherwise, the default is AF_INET.
        """
        if family is None:
            try:
                family = AF_UNIX
            except NameError:
                family = AF_INET
        a, b = _socket.socketpair(family, type, proto)
        a = socket(family, type, proto, a.detach())
        b = socket(family, type, proto, b.detach())
        return a, b 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def readinto(self, b):
        """Read up to len(b) bytes into the writable buffer *b* and return
        the number of bytes read.  If the socket is non-blocking and no bytes
        are available, None is returned.

        If *b* is non-empty, a 0 return value indicates that the connection
        was shutdown at the other end.
        """
        self._checkClosed()
        self._checkReadable()
        if self._timeout_occurred:
            raise IOError("cannot read from timed out object")
        while True:
            try:
                return self._sock.recv_into(b)
            except timeout:
                self._timeout_occurred = True
                raise
            # except InterruptedError:
            #     continue
            except error as e:
                if e.args[0] in _blocking_errnos:
                    return None
                raise 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def testHostnameRes(self):
        # Testing hostname resolution mechanisms
        hostname = socket.gethostname()
        try:
            ip = socket.gethostbyname(hostname)
        except socket.error:
            # Probably name lookup wasn't set up right; skip this test
            self.skipTest('name lookup failure')
        self.assertTrue(ip.find('.') >= 0, "Error resolving host to ip.")
        try:
            hname, aliases, ipaddrs = socket.gethostbyaddr(ip)
        except socket.error:
            # Probably a similar problem as above; skip this test
            self.skipTest('address lookup failure')
        all_host_names = [hostname, hname] + aliases
        fqhn = socket.getfqdn(ip)
        if not fqhn in all_host_names:
            self.fail("Error testing host resolution mechanisms. (fqdn: %s, all: %s)" % (fqhn, repr(all_host_names))) 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def __init__(self, family=AF_INET, type=SOCK_STREAM, proto=0, fileno=None):
        _socket.socket.__init__(self, family, type, proto, fileno)
        self._io_refs = 0
        self._closed = False 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def __repr__(self):
        """Wrap __repr__() to reveal the real class name."""
        s = _socket.socket.__repr__(self)
        if s.startswith("<socket object"):
            s = "<%s.%s%s%s" % (self.__class__.__module__,
                                self.__class__.__name__,
                                getattr(self, '_closed', False) and " [closed] " or "",
                                s[7:])
        return s 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def __getstate__(self):
        raise TypeError("Cannot serialize socket object") 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def dup(self):
        """dup() -> socket object

        Return a new socket object connected to the same system resource.
        """
        fd = dup(self.fileno())
        sock = self.__class__(self.family, self.type, self.proto, fileno=fd)
        sock.settimeout(self.gettimeout())
        return sock 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def accept(self):
        """accept() -> (socket object, address info)

        Wait for an incoming connection.  Return a new socket
        representing the connection, and the address of the client.
        For IP sockets, the address info is a pair (hostaddr, port).
        """
        fd, addr = self._accept()
        sock = socket(self.family, self.type, self.proto, fileno=fd)
        # Issue #7995: if no default timeout is set and the listening
        # socket had a (non-zero) timeout, force the new socket in blocking
        # mode to override platform-specific socket flags inheritance.
        if getdefaulttimeout() is None and self.gettimeout():
            sock.setblocking(True)
        return sock, addr 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def _real_close(self, _ss=_socket.socket):
        # This function should not reference any globals. See issue #808164.
        _ss.close(self) 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def detach(self):
        """detach() -> file descriptor

        Close the socket object without closing the underlying file descriptor.
        The object cannot be used after this call, but the file descriptor
        can be reused for other purposes.  The file descriptor is returned.
        """
        self._closed = True
        return super().detach() 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def fromfd(fd, family, type, proto=0):
    """ fromfd(fd, family, type[, proto]) -> socket object

    Create a socket object from a duplicate of the given file
    descriptor.  The remaining arguments are the same as for socket().
    """
    nfd = dup(fd)
    return socket(family, type, proto, nfd) 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def fromshare(info):
        """ fromshare(info) -> socket object

        Create a socket object from a the bytes object returned by
        socket.share(pid).
        """
        return socket(0, 0, 0, info) 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def write(self, b):
        """Write the given bytes or bytearray object *b* to the socket
        and return the number of bytes written.  This can be less than
        len(b) if not all data could be written.  If the socket is
        non-blocking and no bytes could be written None is returned.
        """
        self._checkClosed()
        self._checkWritable()
        try:
            return self._sock.send(b)
        except error as e:
            # XXX what about EINTR?
            if e.args[0] in _blocking_errnos:
                return None
            raise 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def readable(self):
        """True if the SocketIO is open for reading.
        """
        if self.closed:
            raise ValueError("I/O operation on closed socket.")
        return self._reading 

# 需要导入模块: import _socket [as 别名]
# 或者: from _socket import socket [as 别名]
def writable(self):
        """True if the SocketIO is open for writing.
        """
        if self.closed:
            raise ValueError("I/O operation on closed socket.")
        return self._writing