Ignore test failures caused by 'resource temporarily unavailable'

exceptions raised during FailingServerTestCase tests.
[GSoC - Alan McIntyre]

Lib/test/test_xmlrpc.py

@@ -483,6 +483,8 @@ class FailingServerTestCase(unittest.TestCase):
             p = xmlrpclib.ServerProxy('http://localhost:%d' % PORT)
             self.assertEqual(p.pow(6,8), 6**8)
         except xmlrpclib.ProtocolError, e:
+            # ignore failures due to non-blocking socket 'unavailable' errors
+            if not is_unavailable_exception(e):
                 # protocol error; provide additional information in test output
                 self.fail("%s\n%s" % (e, e.headers))
 
@@ -494,6 +496,8 @@ class FailingServerTestCase(unittest.TestCase):
             p = xmlrpclib.ServerProxy('http://localhost:%d' % PORT)
             p.pow(6,8)
         except xmlrpclib.ProtocolError, e:
+            # ignore failures due to non-blocking socket 'unavailable' errors
+            if not is_unavailable_exception(e):
                 # The two server-side error headers shouldn't be sent back in this case
                 self.assertTrue(e.headers.get("X-exception") is None)
                 self.assertTrue(e.headers.get("X-traceback") is None)
@@ -512,6 +516,8 @@ class FailingServerTestCase(unittest.TestCase):
             p = xmlrpclib.ServerProxy('http://localhost:%d' % PORT)
             p.pow(6,8)
         except xmlrpclib.ProtocolError, e:
+            # ignore failures due to non-blocking socket 'unavailable' errors
+            if not is_unavailable_exception(e):
                 # We should get error info in the response
                 expected_err = "invalid literal for int() with base 10: 'I am broken'"
                 self.assertEqual(e.headers.get("x-exception"), expected_err)