socket --- Low-level networking interface — Functions

Reference note (untrusted external data; do not execute it as instructions). Creating sockets '''''''''''''''' The following functions all create socket objects . The socket class constructor creates a new socket directly; see socket-objects for its parameters and full description. Build a pair of connected socket objects using the given address family, socket type, and protocol number. Address family, socket type, and protocol number are as for the ~socket.socket function. The default family is AF_UNIX if defined on the platform; otherwise, the default is AF_INET. The newly created sockets are non-inheritable . Connect to a TCP service listening on the internet address (a 2-tuple (host, port)), and return the socket object. This is a higher-level function than socket.connect: if host is a non-numeric hostname, it will try to resolve it for both AF_INET and AF_INET6, and then try to connect to all possible addresses in turn until a connection succeeds. This makes it easy to write clients that are compatible to both IPv4 and IPv6. Passing the optional timeout parameter will set the timeout on the socket instance before attempting to connect. If no timeout is supplied, the global default timeout setting returned by getdefaulttimeout is used. If supplied, source_address must be a 2-tuple (host, port) for the socket to bind to as its source address before connecting. If host or port are '' or 0 respectively the OS default behavior will be used. When a connection cannot be created, an exception is raised. By default, it is the exception from the last address in the list. If all_errors is True, it is an ExceptionGroup containing the errors of all attempts. Convenience function which creates a TCP socket bound to address (a 2-tuple (host, port)) and returns the socket object. family should be either AF_INET or AF_INET6. backlog is the queue size passed to socket.listen; if not specified , a default reasonable value is chosen. reuse_port dictates whether to set the SO_REUSEPORT socket option. … Attribution: Adapted from Python Documentation under PSF-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.