Index: Lib/test/test_socket.py
===================================================================
--- Lib/test/test_socket.py	(revision 3478)
+++ Lib/test/test_socket.py	(working copy)
@@ -786,6 +786,7 @@
         self.serv_conn.close()
         try:
             self.cli_file.write(MSG)
+            self.cli_file.flush()
         except Exception, x:
             self.fail("Closing socket appears to have closed file wrapper: %s" % str(x))
 
@@ -834,6 +835,7 @@
 
     def _testFullRead(self):
         self.cli_file.write(MSG)
+        self.cli_file.flush()
         self.cli_file.close()
 
     def testUnbufferedRead(self):
Index: Lib/socket.py
===================================================================
--- Lib/socket.py	(revision 3478)
+++ Lib/socket.py	(working copy)
@@ -611,17 +611,10 @@
             return self.reuse_addr
 
     def makefile(self, mode="r", bufsize=-1):
-        file = None
-        if self.istream:
-            if self.ostream:
-                file = org.python.core.PyFile(self.istream, self.ostream,
-                                              "<socket>", mode)
-            else:
-                file = org.python.core.PyFile(self.istream, "<socket>", mode)
-        elif self.ostream:
-            file = org.python.core.PyFile(self.ostream, "<socket>", mode)
-        else:
+        if not self.istream and not self.ostream:
             raise IOError, "both istream and ostream have been shut down"
+        import copy
+        file = _fileobject(copy.copy(self), mode, bufsize)
         if file:
             return _tcpsocket.FileWrapper(self, file)
 
@@ -638,8 +631,6 @@
             self.write      = file.write
             self.writelines = file.writelines
             self.flush      = file.flush
-            self.seek       = file.seek
-            self.tell       = file.tell
             self.closed     = file.closed
 
             self.socket.file_count += 1
@@ -842,6 +833,227 @@
 SocketType = _tcpsocket
 SocketTypes = [_tcpsocket, _udpsocket]
 
+class _fileobject(object):
+    """Faux file object attached to a socket object."""
+
+    default_bufsize = 8192
+    name = "<socket>"
+
+    __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
+
+
 # Define the SSL support
 
 class ssl: