Copied doc for reload() from trunk's function.rst to imp.rst

4 files changed, 112 insertions, 8 deletions

diff --git a/Lib/abc.py b/Lib/abc.py
index 54dc8e2..8751153 100644
--- a/Lib/abc.py
+++ b/Lib/abc.py
@@ -187,7 +187,7 @@ class ABCMeta(type):
                 cls._abc_negative_cache.add(subclass)
             return ok
         # Check if it's a direct subclass
-        if cls in subclass.__mro__:
+        if cls in getattr(subclass, '__mro__', ()):
             cls._abc_cache.add(subclass)
             return True
         # Check if it's a subclass of a registered class (recursive)
diff --git a/Lib/collections.py b/Lib/collections.py
index 504ae19..884c91f 100644
--- a/Lib/collections.py
+++ b/Lib/collections.py
@@ -65,9 +65,9 @@ def namedtuple(typename, field_names, verbose=False):
         def __new__(cls, %(argtxt)s):
             return tuple.__new__(cls, (%(argtxt)s)) \n
         @classmethod
-        def _make(cls, iterable):
+        def _make(cls, iterable, new=tuple.__new__, len=len):
             'Make a new %(typename)s object from a sequence or iterable'
-            result = tuple.__new__(cls, iterable)
+            result = new(cls, iterable)
             if len(result) != %(numfields)d:
                 raise TypeError('Expected %(numfields)d arguments, got %%d' %% len(result))
             return result \n
@@ -115,8 +115,22 @@ if __name__ == '__main__':
     assert p == loads(dumps(p))
 
     # test and demonstrate ability to override methods
-    Point.__repr__ = lambda self:  'Point(%.3f, %.3f)' % self
-    print(p)
+    class Point(namedtuple('Point', 'x y')):
+        @property
+        def hypot(self):
+            return (self.x ** 2 + self.y ** 2) ** 0.5
+        def __repr__(self):
+            return 'Point(x=%.3f, y=%.3f, hypot=%.3f)' % (self.x, self.y, self.hypot)
+
+    print(Point(3, 4),'\n', Point(2, 5), '\n', Point(9./7, 6))
+
+    class Point(namedtuple('Point', 'x y')):
+        'Point class with optimized _make() and _replace() without error-checking'
+        _make = classmethod(tuple.__new__)
+        def _replace(self, _map=map, **kwds):
+            return self._make(_map(kwds.pop, ('x', 'y'), self))
+
+    print(Point(11, 22)._replace(x=100))
 
     import doctest
     TestResults = namedtuple('TestResults', 'failed attempted')
diff --git a/Lib/test/test_abc.py b/Lib/test/test_abc.py
index e6c8415..884dd32 100644
--- a/Lib/test/test_abc.py
+++ b/Lib/test/test_abc.py
@@ -56,10 +56,18 @@ class TestABC(unittest.TestCase):
             self.assertEqual(F.__abstractmethods__, {"bar"})
             self.assertRaises(TypeError, F)  # because bar is abstract now
 
+    def test_subclass_oldstyle_class(self):
+        class A:
+            __metaclass__ = abc.ABCMeta
+        class OldstyleClass:
+            pass
+        self.assertFalse(issubclass(OldstyleClass, A))
+        self.assertFalse(issubclass(A, OldstyleClass))
+
     def test_registration_basics(self):
         class A(metaclass=abc.ABCMeta):
             pass
-        class B:
+        class B(object):
             pass
         b = B()
         self.assertEqual(issubclass(B, A), False)
@@ -94,7 +102,7 @@ class TestABC(unittest.TestCase):
         class A1(A):
             pass
         self.assertRaises(RuntimeError, A1.register, A)  # cycles not allowed
-        class B:
+        class B(object):
             pass
         A1.register(B)  # ok
         A1.register(B)  # should pass silently
@@ -135,7 +143,7 @@ class TestABC(unittest.TestCase):
     def test_all_new_methods_are_called(self):
         class A(metaclass=abc.ABCMeta):
             pass
-        class B:
+        class B(object):
             counter = 0
             def __new__(cls):
                 B.counter += 1
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index 535f0ef..facf9fd 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -1114,6 +1114,85 @@ class BufferIOTest(SocketConnectedTest):
         buf = bytes(MSG)
         self.serv_conn.send(buf)
 
+
+TIPC_STYPE = 2000
+TIPC_LOWER = 200
+TIPC_UPPER = 210
+
+def isTipcAvailable():
+    """Check if the TIPC module is loaded
+
+    The TIPC module is not loaded automatically on Ubuntu and probably
+    other Linux distros.
+    """
+    if not hasattr(socket, "AF_TIPC"):
+        return False
+    if not os.path.isfile("/proc/modules"):
+        return False
+    with open("/proc/modules") as f:
+        for line in f:
+            if line.startswith("tipc "):
+                return True
+    if test_support.debug:
+        print("TIPC module is not loaded, please 'sudo modprobe tipc'")
+    return False
+
+class TIPCTest (unittest.TestCase):
+    def testRDM(self):
+        srv = socket.socket(socket.AF_TIPC, socket.SOCK_RDM)
+        cli = socket.socket(socket.AF_TIPC, socket.SOCK_RDM)
+
+        srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        srvaddr = (socket.TIPC_ADDR_NAMESEQ, TIPC_STYPE,
+                TIPC_LOWER, TIPC_UPPER)
+        srv.bind(srvaddr)
+
+        sendaddr = (socket.TIPC_ADDR_NAME, TIPC_STYPE,
+                TIPC_LOWER + int((TIPC_UPPER - TIPC_LOWER) / 2), 0)
+        cli.sendto(MSG, sendaddr)
+
+        msg, recvaddr = srv.recvfrom(1024)
+
+        self.assertEqual(cli.getsockname(), recvaddr)
+        self.assertEqual(msg, MSG)
+
+
+class TIPCThreadableTest (unittest.TestCase, ThreadableTest):
+    def __init__(self, methodName = 'runTest'):
+        unittest.TestCase.__init__(self, methodName = methodName)
+        ThreadableTest.__init__(self)
+
+    def setUp(self):
+        self.srv = socket.socket(socket.AF_TIPC, socket.SOCK_STREAM)
+        self.srv.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+        srvaddr = (socket.TIPC_ADDR_NAMESEQ, TIPC_STYPE,
+                TIPC_LOWER, TIPC_UPPER)
+        self.srv.bind(srvaddr)
+        self.srv.listen(5)
+        self.serverExplicitReady()
+        self.conn, self.connaddr = self.srv.accept()
+
+    def clientSetUp(self):
+        # The is a hittable race between serverExplicitReady() and the
+        # accept() call; sleep a little while to avoid it, otherwise
+        # we could get an exception
+        time.sleep(0.1)
+        self.cli = socket.socket(socket.AF_TIPC, socket.SOCK_STREAM)
+        addr = (socket.TIPC_ADDR_NAME, TIPC_STYPE,
+                TIPC_LOWER + int((TIPC_UPPER - TIPC_LOWER) / 2), 0)
+        self.cli.connect(addr)
+        self.cliaddr = self.cli.getsockname()
+
+    def testStream(self):
+        msg = self.conn.recv(1024)
+        self.assertEqual(msg, MSG)
+        self.assertEqual(self.cliaddr, self.connaddr)
+
+    def _testStream(self):
+        self.cli.send(MSG)
+        self.cli.close()
+
+
 def test_main():
     tests = [GeneralModuleTests, BasicTCPTest, TCPCloserTest, TCPTimeoutTest,
              TestExceptions, BufferIOTest, BasicTCPTest2]
@@ -1134,6 +1213,9 @@ def test_main():
         tests.append(BasicSocketPairTest)
     if sys.platform == 'linux2':
         tests.append(TestLinuxAbstractNamespace)
+    if isTipcAvailable():
+        tests.append(TIPCTest)
+    tests.append(TIPCThreadableTest)
 
     thread_info = test_support.threading_setup()
     test_support.run_unittest(*tests)