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� Z! d S(9 u This module provides socket operations and some related functions.
On Unix, it supports IP (Internet Protocol) and Unix domain sockets.
On other systems, it only supports IP. Functions specific for a
socket are available as methods of the socket object.
Functions:
socket() -- create a new socket object
socketpair() -- create a pair of new socket objects [*]
fromfd() -- create a socket object from an open file descriptor [*]
fromshare() -- create a socket object from data received from socket.share() [*]
gethostname() -- return the current hostname
gethostbyname() -- map a hostname to its IP number
gethostbyaddr() -- map an IP number or hostname to DNS info
getservbyname() -- map a service name and a protocol name to a port number
getprotobyname() -- map a protocol name (e.g. 'tcp') to a number
ntohs(), ntohl() -- convert 16, 32 bit int from network to host byte order
htons(), htonl() -- convert 16, 32 bit int from host to network byte order
inet_aton() -- convert IP addr string (123.45.67.89) to 32-bit packed format
inet_ntoa() -- convert 32-bit packed format IP to string (123.45.67.89)
socket.getdefaulttimeout() -- get the default timeout value
socket.setdefaulttimeout() -- set the default timeout value
create_connection() -- connects to an address, with an optional timeout and
optional source address.
[*] not available on all platforms!
Special objects:
SocketType -- type object for socket objects
error -- exception raised for I/O errors
has_ipv6 -- boolean value indicating if IPv6 is supported
Integer constants:
AF_INET, AF_UNIX -- socket domains (first argument to socket() call)
SOCK_STREAM, SOCK_DGRAM, SOCK_RAW -- socket types (second argument)
Many other constants may be defined; these may be used in calls to
the setsockopt() and getsockopt() methods.
i N( u *u EBADFi u EAGAINi u EWOULDBLOCKu getfqdnu create_connectionu winu The operation was interrupted.i' u A bad file handle was passed.i' u Permission denied.i ' u! A fault occurred on the network??i ' u# An invalid operation was attempted.i&' u The socket operation would blocki3' u, A blocking operation is already in progress.i4' u The network address is in use.i@' u The connection has been reset.iF' u The network has been shut down.iJ' u The operation timed out.iL' u Connection refused.iM' u The name is too long.iO' u The host is down.iP' u The host is unreachable.iQ' u errorTabc
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d d � Z d d" d d" d d" d d" d d �Z d d � Z e j d d � Z d d � Z � f d d! � Z � S(# u socketu: A subclass of _socket.socket adding the makefile() method.u __weakref__u _io_refsu _closedi c C s2 t j j | | | | | � d | _ d | _ d S( Ni F( u _socketu socketu __init__u _io_refsu Falseu _closed( u selfu familyu typeu protou fileno( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu __init__] s u socket.__init__c C s | S( N( ( u self( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu __enter__b s u socket.__enter__c G s | j s | j � n d S( N( u _closedu close( u selfu args( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu __exit__e s u socket.__exit__c C sl t j j | � } | j d � rh d | j j | j j t | d d � rN d pQ d | d d � f } n | S( u. Wrap __repr__() to reveal the real class name.u <socket objectu
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__module__u __name__u getattru False( u selfu s( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu __repr__i s u socket.__repr__c C s t d � � d S( Nu Cannot serialize socket object( u TypeError( u self( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu __getstate__s s u socket.__getstate__c C sM t | j � � } | j | j | j | j d | �} | j | j � � | S( uj dup() -> socket object
Return a new socket object connected to the same system resource.
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gettimeout( u selfu fdu sock( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu dupv s $u
socket.dupc C sh | j � \ } } t | j | j | j d | �} t � d k r^ | j � r^ | j d � n | | f S( u� 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).
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makefile(...) -> an I/O stream connected to the socket
The arguments are as for io.open() after the filename,
except the only mode characters supported are 'r', 'w' and 'b'.
The semantics are similar too. (XXX refactor to share code?)
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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.
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!* u socketc C s t | � } t | | | | � S( u� 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().
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Create a socket object from a the bytes object returned by
socket.share(pid).
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socketpairc
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r0 t } Yq4 Xn t j | | | � \ } } t | | | | j � � } t | | | | j � � } | | f S( ua 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.
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socketpair� s
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d d � Z � S( u SocketIOu� Raw I/O implementation for stream sockets.
This class supports the makefile() method on sockets. It provides
the raw I/O interface on top of a socket object.
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d t k r� d S� WYd d } ~ Xq/ Xq/ d S( u3 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.
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u _checkClosedu _checkReadableu _timeout_occurredu IOErroru _socku recv_intou timeoutu Trueu InterruptedErroru erroru argsu _blocking_errnosu None( u selfu bu e( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu readinto s
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ri } z | j d t k rT d S� WYd d } ~ Xn Xd S( u 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.
i N( u _checkClosedu _checkWritableu _socku sendu erroru argsu _blocking_errnosu None( u selfu bu e( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu write4 s
u SocketIO.writec C s | j r t d � � n | j S( u2 True if the SocketIO is open for reading.
u I/O operation on closed socket.( u closedu
ValueErroru _reading( u self( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu readableD s u SocketIO.readablec C s | j r t d � � n | j S( u2 True if the SocketIO is open for writing.
u I/O operation on closed socket.( u closedu
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u I/O operation on closed socket.( u closedu
ValueErroru superu seekable( u self( u __class__( u+ /opt/alt/python33/lib64/python3.3/socket.pyu seekableR s u SocketIO.seekablec C s | j � | j j � S( u= Return the file descriptor of the underlying socket.
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u SocketIO.filenoc C s | j s | j � Sd Sd S( Ni i����( u closedu fileno( u self( ( u+ /opt/alt/python33/lib64/python3.3/socket.pyu name_ s
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d St j j | � | j j � d | _ d S( u� Close the SocketIO object. This doesn't close the underlying
socket, except if all references to it have disappeared.
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__module__u __qualname__u __doc__u __init__u readintou writeu readableu writableu seekableu filenou propertyu nameu modeu close( u
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rX Yn8 X| j d | � x$ | D] } d | k rp Pqp qp W| } | S( u Get fully qualified domain name from name.
An empty argument is interpreted as meaning the local host.
First the hostname returned by gethostbyaddr() is checked, then
possibly existing aliases. In case no FQDN is available, hostname
from gethostname() is returned.
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Xq( Xq( W| d k r| � n t d � � d S( ud Connect to *address* and return the socket object.
Convenience function. Connect to *address* (a 2-tuple ``(host,
port)``) and return the socket object. 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 :func:`getdefaulttimeout`
is used. If *source_address* is set it must be a tuple of (host, port)
for the socket to bind as a source address before making the connection.
An host of '' or port 0 tells the OS to use the default.
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