Socket constructor improved

a satella Socket can be constructed directly from another satella Socket

channels/sockets/sockets.py

@@ -19,8 +19,12 @@ class Socket(FileDescriptorChannel):
     """
 
     def __init__(self, socket):
+        """@type socket: native network socket or L{Socket}"""
         FileDescriptorChannel.__init__(self)
-        self.socket = socket
+        if isinstance(socket, Socket):
+            self.socket = socket.socket
+        else:
+            self.socket = socket
         self.active = True
         self.blocking = True
         self.timeout = None

channels/unittests/sockets.py

@@ -186,3 +186,11 @@ class SocketsTest(unittest.TestCase):
         self.assertEquals(cs.pkdata, 'Yes')
         self.assertEquals(cs.data, 'Yes')
         sck.close()
+
+    def test_reassignment(self):
+        """Tests creating a satella socket from a satella socket
+        instead of a native socket"""
+        sck = socket(AF_INET, SOCK_STREAM)
+        sock = Socket(sck)
+        sock = Socket(sock)
+        self.assertEquals(sock.socket, sck)
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