diff -r 000000000000 -r ae805ac0140d python-2.5.2/win32/Lib/socket.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/python-2.5.2/win32/Lib/socket.py Fri Apr 03 17:19:34 2009 +0100 @@ -0,0 +1,414 @@ +# Wrapper module for _socket, providing some additional facilities +# implemented in Python. + +"""\ +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 [*] +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() -- mape 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) +ssl() -- secure socket layer support (only available if configured) +socket.getdefaulttimeout() -- get the default timeout value +socket.setdefaulttimeout() -- set the default timeout value + + [*] 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. +""" + +import _socket +from _socket import * + +_have_ssl = False +try: + import _ssl + from _ssl import * + _have_ssl = True +except ImportError: + pass + +import os, sys + +try: + from errno import EBADF +except ImportError: + EBADF = 9 + +__all__ = ["getfqdn"] +__all__.extend(os._get_exports_list(_socket)) +if _have_ssl: + __all__.extend(os._get_exports_list(_ssl)) + +_realsocket = socket +if _have_ssl: + _realssl = ssl + def ssl(sock, keyfile=None, certfile=None): + if hasattr(sock, "_sock"): + sock = sock._sock + return _realssl(sock, keyfile, certfile) + +# WSA error codes +if sys.platform.lower().startswith("win"): + errorTab = {} + errorTab[10004] = "The operation was interrupted." + errorTab[10009] = "A bad file handle was passed." + errorTab[10013] = "Permission denied." + errorTab[10014] = "A fault occurred on the network??" # WSAEFAULT + errorTab[10022] = "An invalid operation was attempted." + errorTab[10035] = "The socket operation would block" + errorTab[10036] = "A blocking operation is already in progress." + errorTab[10048] = "The network address is in use." + errorTab[10054] = "The connection has been reset." + errorTab[10058] = "The network has been shut down." + errorTab[10060] = "The operation timed out." + errorTab[10061] = "Connection refused." + errorTab[10063] = "The name is too long." + errorTab[10064] = "The host is down." + errorTab[10065] = "The host is unreachable." + __all__.append("errorTab") + + + +def getfqdn(name=''): + """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. + """ + name = name.strip() + if not name or name == '0.0.0.0': + name = gethostname() + try: + hostname, aliases, ipaddrs = gethostbyaddr(name) + except error: + pass + else: + aliases.insert(0, hostname) + for name in aliases: + if '.' in name: + break + else: + name = hostname + return name + + +_socketmethods = ( + 'bind', 'connect', 'connect_ex', 'fileno', 'listen', + 'getpeername', 'getsockname', 'getsockopt', 'setsockopt', + 'sendall', 'setblocking', + 'settimeout', 'gettimeout', 'shutdown') + +if sys.platform == "riscos": + _socketmethods = _socketmethods + ('sleeptaskw',) + +# All the method names that must be delegated to either the real socket +# object or the _closedsocket object. +_delegate_methods = ("recv", "recvfrom", "recv_into", "recvfrom_into", + "send", "sendto") + +class _closedsocket(object): + __slots__ = [] + def _dummy(*args): + raise error(EBADF, 'Bad file descriptor') + # All _delegate_methods must also be initialized here. + send = recv = recv_into = sendto = recvfrom = recvfrom_into = _dummy + __getattr__ = _dummy + +class _socketobject(object): + + __doc__ = _realsocket.__doc__ + + __slots__ = ["_sock", "__weakref__"] + list(_delegate_methods) + + def __init__(self, family=AF_INET, type=SOCK_STREAM, proto=0, _sock=None): + if _sock is None: + _sock = _realsocket(family, type, proto) + self._sock = _sock + for method in _delegate_methods: + setattr(self, method, getattr(_sock, method)) + + def close(self): + self._sock = _closedsocket() + dummy = self._sock._dummy + for method in _delegate_methods: + setattr(self, method, dummy) + close.__doc__ = _realsocket.close.__doc__ + + def accept(self): + sock, addr = self._sock.accept() + return _socketobject(_sock=sock), addr + accept.__doc__ = _realsocket.accept.__doc__ + + def dup(self): + """dup() -> socket object + + Return a new socket object connected to the same system resource.""" + return _socketobject(_sock=self._sock) + + def makefile(self, mode='r', bufsize=-1): + """makefile([mode[, bufsize]]) -> file object + + Return a regular file object corresponding to the socket. The mode + and bufsize arguments are as for the built-in open() function.""" + return _fileobject(self._sock, mode, bufsize) + + family = property(lambda self: self._sock.family, doc="the socket family") + type = property(lambda self: self._sock.type, doc="the socket type") + proto = property(lambda self: self._sock.proto, doc="the socket protocol") + + _s = ("def %s(self, *args): return self._sock.%s(*args)\n\n" + "%s.__doc__ = _realsocket.%s.__doc__\n") + for _m in _socketmethods: + exec _s % (_m, _m, _m, _m) + del _m, _s + +socket = SocketType = _socketobject + +class _fileobject(object): + """Faux file object attached to a socket object.""" + + default_bufsize = 8192 + name = "" + + __slots__ = ["mode", "bufsize", "softspace", + # "closed" is a property, see below + "_sock", "_rbufsize", "_wbufsize", "_rbuf", "_wbuf", + "_close"] + + def __init__(self, sock, mode='rb', bufsize=-1, close=False): + self._sock = sock + self.mode = mode # Not actually used in this version + if bufsize < 0: + bufsize = self.default_bufsize + self.bufsize = bufsize + self.softspace = False + if bufsize == 0: + self._rbufsize = 1 + elif bufsize == 1: + self._rbufsize = self.default_bufsize + else: + self._rbufsize = bufsize + self._wbufsize = bufsize + self._rbuf = "" # A string + self._wbuf = [] # A list of strings + self._close = close + + def _getclosed(self): + return self._sock is None + closed = property(_getclosed, doc="True if the file is closed") + + def close(self): + try: + if self._sock: + self.flush() + finally: + if self._close: + self._sock.close() + self._sock = None + + def __del__(self): + try: + self.close() + except: + # close() may fail if __init__ didn't complete + pass + + def flush(self): + if self._wbuf: + buffer = "".join(self._wbuf) + self._wbuf = [] + self._sock.sendall(buffer) + + def fileno(self): + return self._sock.fileno() + + def write(self, data): + data = str(data) # XXX Should really reject non-string non-buffers + if not data: + return + self._wbuf.append(data) + if (self._wbufsize == 0 or + self._wbufsize == 1 and '\n' in data or + self._get_wbuf_len() >= self._wbufsize): + self.flush() + + def writelines(self, list): + # XXX We could do better here for very long lists + # XXX Should really reject non-string non-buffers + self._wbuf.extend(filter(None, map(str, list))) + if (self._wbufsize <= 1 or + self._get_wbuf_len() >= self._wbufsize): + self.flush() + + def _get_wbuf_len(self): + buf_len = 0 + for x in self._wbuf: + buf_len += len(x) + return buf_len + + def read(self, size=-1): + data = self._rbuf + if size < 0: + # Read until EOF + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + if self._rbufsize <= 1: + recv_size = self.default_bufsize + else: + recv_size = self._rbufsize + while True: + data = self._sock.recv(recv_size) + if not data: + break + buffers.append(data) + return "".join(buffers) + else: + # Read until size bytes or EOF seen, whichever comes first + buf_len = len(data) + if buf_len >= size: + self._rbuf = data[size:] + return data[:size] + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + while True: + left = size - buf_len + recv_size = max(self._rbufsize, left) + data = self._sock.recv(recv_size) + if not data: + break + buffers.append(data) + n = len(data) + if n >= left: + self._rbuf = data[left:] + buffers[-1] = data[:left] + break + buf_len += n + return "".join(buffers) + + def readline(self, size=-1): + data = self._rbuf + if size < 0: + # Read until \n or EOF, whichever comes first + if self._rbufsize <= 1: + # Speed up unbuffered case + assert data == "" + buffers = [] + recv = self._sock.recv + while data != "\n": + data = recv(1) + if not data: + break + buffers.append(data) + return "".join(buffers) + nl = data.find('\n') + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + return data[:nl] + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + while True: + data = self._sock.recv(self._rbufsize) + if not data: + break + buffers.append(data) + nl = data.find('\n') + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + buffers[-1] = data[:nl] + break + return "".join(buffers) + else: + # Read until size bytes or \n or EOF seen, whichever comes first + nl = data.find('\n', 0, size) + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + return data[:nl] + buf_len = len(data) + if buf_len >= size: + self._rbuf = data[size:] + return data[:size] + buffers = [] + if data: + buffers.append(data) + self._rbuf = "" + while True: + data = self._sock.recv(self._rbufsize) + if not data: + break + buffers.append(data) + left = size - buf_len + nl = data.find('\n', 0, left) + if nl >= 0: + nl += 1 + self._rbuf = data[nl:] + buffers[-1] = data[:nl] + break + n = len(data) + if n >= left: + self._rbuf = data[left:] + buffers[-1] = data[:left] + break + buf_len += n + return "".join(buffers) + + def readlines(self, sizehint=0): + total = 0 + list = [] + while True: + line = self.readline() + if not line: + break + list.append(line) + total += len(line) + if sizehint and total >= sizehint: + break + return list + + # Iterator protocols + + def __iter__(self): + return self + + def next(self): + line = self.readline() + if not line: + raise StopIteration + return line