hbcodeXCI
diff --git a/‎Doc/library/xmlrpc.client.rst‎
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Lines changed: 14 additions & 9 deletions
diff --git a/‎Doc/whatsnew/3.5.rst‎
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diff --git a/‎Lib/test/test_xmlrpc.py‎
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diff --git a/‎Lib/xmlrpc/client.py‎
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diff --git a/‎Misc/NEWS‎
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@@ -191,6 +191,11 @@ grouped under the reserved :attr:`system` attribute:
    no such string is available, an empty string is returned. The documentation
    string may contain HTML markup.
 
+.. versionchanged:: 3.5
+
+   Instances of :class:`ServerProxy` support the :term:`context manager` protocol
+   for closing the underlying transport.
+
 
 A working example follows. The server code::
 
@@ -208,9 +213,9 @@ The client code for the preceding server::
 
    import xmlrpc.client
 
-   proxy = xmlrpc.client.ServerProxy("http://localhost:8000/")
-   print("3 is even: %s" % str(proxy.is_even(3)))
-   print("100 is even: %s" % str(proxy.is_even(100)))
+   with xmlrpc.client.ServerProxy("http://localhost:8000/") as proxy:
+       print("3 is even: %s" % str(proxy.is_even(3)))
+       print("100 is even: %s" % str(proxy.is_even(100)))
 
 .. _datetime-objects:
 
@@ -518,14 +523,14 @@ Example of Client Usage
    from xmlrpc.client import ServerProxy, Error
 
    # server = ServerProxy("http://localhost:8000") # local server
-   server = ServerProxy("http://betty.userland.com")
+   with ServerProxy("http://betty.userland.com") as proxy:
 
-   print(server)
+       print(proxy)
 
-   try:
-       print(server.examples.getStateName(41))
-   except Error as v:
-       print("ERROR", v)
+       try:
+           print(proxy.examples.getStateName(41))
+       except Error as v:
+           print("ERROR", v)
 
 To access an XML-RPC server through a proxy, you need to define  a custom
 transport.  The following example shows how:
 
@@ -134,7 +134,8 @@ New Modules
 Improved Modules
 ================
 
-* None yet.
+* :class:`xmlrpc.client.ServerProxy` is now a :term:`context manager`
+  (contributed by Claudiu Popa in :issue:`20627`).
 
 
 Optimizations
 
@@ -713,6 +713,23 @@ def test_partial_post(self):
         conn.request('POST', '/RPC2 HTTP/1.0\r\nContent-Length: 100\r\n\r\nbye')
         conn.close()
 
+    def test_context_manager(self):
+        with xmlrpclib.ServerProxy(URL) as server:
+            server.add(2, 3)
+            self.assertNotEqual(server('transport')._connection,
+                                (None, None))
+        self.assertEqual(server('transport')._connection,
+                         (None, None))
+
+    def test_context_manager_method_error(self):
+        try:
+            with xmlrpclib.ServerProxy(URL) as server:
+                server.add(2, "a")
+        except xmlrpclib.Fault:
+            pass
+        self.assertEqual(server('transport')._connection,
+                         (None, None))
+
 
 class MultiPathServerTestCase(BaseServerTestCase):
     threadFunc = staticmethod(http_multi_server)
@@ -898,6 +915,7 @@ def test_transport(self):
         p = xmlrpclib.ServerProxy(self.url, transport=t)
         self.assertEqual(p('transport'), t)
 
+
 # This is a contrived way to make a failure occur on the server side
 # in order to test the _send_traceback_header flag on the server
 class FailingMessageClass(http.client.HTTPMessage):
 
@@ -1449,6 +1449,12 @@ def __call__(self, attr):
             return self.__transport
         raise AttributeError("Attribute %r not found" % (attr,))
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args):
+        self.__close()
+
 # compatibility
 
 Server = ServerProxy
 
@@ -23,6 +23,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #20627: xmlrpc.client.ServerProxy is now a context manager.
+
 - Issue #19165: The formatter module now raises DeprecationWarning instead of
   PendingDeprecationWarning.