From a6168f9e0a0ff77910e783df36f5dd4b5dfa7372 Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Sun, 25 May 2008 07:20:14 +0000
Subject: Queue renaming reversal part 3: move module into place and change
 imports and other references. Closes #2925.

---
 Doc/library/queue.rst          |  32 +++---
 Doc/library/threading.rst      |   2 +-
 Doc/reference/simple_stmts.rst |   2 +-
 Doc/tutorial/stdlib2.rst       |  16 +--
 Doc/whatsnew/2.6.rst           |   2 +-
 Lib/Queue.py                   | 244 +++++++++++++++++++++++++++++++++++++++++
 Lib/idlelib/rpc.py             |   8 +-
 Lib/idlelib/run.py             |   4 +-
 Lib/lib-old/Queue.py           | 244 -----------------------------------------
 Lib/test/test___all__.py       |   2 +-
 Lib/test/test_dummy_thread.py  |   6 +-
 Lib/test/test_py3kwarn.py      |   4 +-
 Lib/test/test_queue.py         |  24 ++--
 Lib/test/test_socket.py        |   4 +-
 Misc/cheatsheet                |   4 +-
 Tools/webchecker/wsgui.py      |   4 +-
 16 files changed, 299 insertions(+), 303 deletions(-)
 create mode 100644 Lib/Queue.py
 delete mode 100644 Lib/lib-old/Queue.py

diff --git a/Doc/library/queue.rst b/Doc/library/queue.rst
index aafd717..6ee9702 100644
--- a/Doc/library/queue.rst
+++ b/Doc/library/queue.rst
@@ -2,17 +2,15 @@
 ===========================================
 
 .. module:: Queue
-   :synopsis: Old name for the queue module.
-
-.. module:: queue
    :synopsis: A synchronized queue class.
 
 .. note::
-   The :mod:`Queue` module has been renamed to :mod:`queue` in Python 3.0.  It
-   is importable under both names in Python 2.6 and the rest of the 2.x series.
+   The :mod:`Queue` module has been renamed to :mod:`queue` in Python 3.0.  The
+   :term:`2to3` tool will automatically adapt imports when converting your
+   sources to 3.0.
 
 
-The :mod:`queue` module implements multi-producer, multi-consumer queues.
+The :mod:`Queue` module implements multi-producer, multi-consumer queues.
 It is especially useful in threaded programming when information must be
 exchanged safely between multiple threads.  The :class:`Queue` class in this
 module implements all the required locking semantics.  It depends on the
@@ -26,7 +24,7 @@ the first retrieved (operating like a stack).  With a priority queue,
 the entries are kept sorted (using the :mod:`heapq` module) and the
 lowest valued entry is retrieved first.
 
-The :mod:`queue` module defines the following classes and exceptions:
+The :mod:`Queue` module defines the following classes and exceptions:
 
 .. class:: Queue(maxsize)
 
@@ -75,7 +73,7 @@ Queue Objects
 -------------
 
 Queue objects (:class:`Queue`, :class:`LifoQueue`, or :class:`PriorityQueue`)
-provide the public methods described below.  
+provide the public methods described below.
 
 
 .. method:: Queue.qsize()
@@ -170,20 +168,20 @@ fully processed by daemon consumer threads.
 
 Example of how to wait for enqueued tasks to be completed::
 
-   def worker(): 
-       while True: 
-           item = q.get() 
-           do_work(item) 
-           q.task_done() 
+   def worker():
+       while True:
+           item = q.get()
+           do_work(item)
+           q.task_done()
 
-   q = Queue() 
-   for i in range(num_worker_threads): 
+   q = Queue()
+   for i in range(num_worker_threads):
         t = Thread(target=worker)
         t.setDaemon(True)
-        t.start() 
+        t.start()
 
    for item in source():
-       q.put(item) 
+       q.put(item)
 
    q.join()       # block until all tasks are done
 
diff --git a/Doc/library/threading.rst b/Doc/library/threading.rst
index 7658ebb..8cb84b3 100644
--- a/Doc/library/threading.rst
+++ b/Doc/library/threading.rst
@@ -8,7 +8,7 @@
 
 This module constructs higher-level threading interfaces on top of the  lower
 level :mod:`thread` module.
-See also the :mod:`mutex` and :mod:`queue` modules.
+See also the :mod:`mutex` and :mod:`Queue` modules.
 
 The :mod:`dummy_threading` module is provided for situations where
 :mod:`threading` cannot be used because :mod:`thread` is missing.
diff --git a/Doc/reference/simple_stmts.rst b/Doc/reference/simple_stmts.rst
index 1032df9..e5028ab 100644
--- a/Doc/reference/simple_stmts.rst
+++ b/Doc/reference/simple_stmts.rst
@@ -534,7 +534,7 @@ The :keyword:`raise` statement
 If no expressions are present, :keyword:`raise` re-raises the last exception
 that was active in the current scope.  If no exception is active in the current
 scope, a :exc:`TypeError` exception is raised indicating that this is an error
-(if running under IDLE, a :exc:`queue.Empty` exception is raised instead).
+(if running under IDLE, a :exc:`Queue.Empty` exception is raised instead).
 
 Otherwise, :keyword:`raise` evaluates the expressions to get three objects,
 using ``None`` as the value of omitted expressions.  The first two objects are
diff --git a/Doc/tutorial/stdlib2.rst b/Doc/tutorial/stdlib2.rst
index 9da5213..459d765 100644
--- a/Doc/tutorial/stdlib2.rst
+++ b/Doc/tutorial/stdlib2.rst
@@ -16,7 +16,7 @@ Output Formatting
 The :mod:`repr` module provides a version of :func:`repr` customized for
 abbreviated displays of large or deeply nested containers::
 
-   >>> import repr   
+   >>> import repr
    >>> repr.repr(set('supercalifragilisticexpialidocious'))
    "set(['a', 'c', 'd', 'e', 'f', 'g', ...])"
 
@@ -174,7 +174,7 @@ tasks in background while the main program continues to run::
 
    class AsyncZip(threading.Thread):
        def __init__(self, infile, outfile):
-           threading.Thread.__init__(self)        
+           threading.Thread.__init__(self)
            self.infile = infile
            self.outfile = outfile
        def run(self):
@@ -198,9 +198,9 @@ variables, and semaphores.
 While those tools are powerful, minor design errors can result in problems that
 are difficult to reproduce.  So, the preferred approach to task coordination is
 to concentrate all access to a resource in a single thread and then use the
-:mod:`queue` module to feed that thread with requests from other threads.
-Applications using :class:`Queue` objects for inter-thread communication and
-coordination are easier to design, more readable, and more reliable.
+:mod:`Queue` module to feed that thread with requests from other threads.
+Applications using :class:`Queue.Queue` objects for inter-thread communication
+and coordination are easier to design, more readable, and more reliable.
 
 
 .. _tut-logging:
@@ -358,11 +358,11 @@ For example, calculating a 5% tax on a 70 cent phone charge gives different
 results in decimal floating point and binary floating point. The difference
 becomes significant if the results are rounded to the nearest cent::
 
-   >>> from decimal import *       
+   >>> from decimal import *
    >>> Decimal('0.70') * Decimal('1.05')
    Decimal("0.7350")
    >>> .70 * 1.05
-   0.73499999999999999       
+   0.73499999999999999
 
 The :class:`Decimal` result keeps a trailing zero, automatically inferring four
 place significance from multiplicands with two place significance.  Decimal
@@ -380,7 +380,7 @@ calculations and equality tests that are unsuitable for binary floating point::
    >>> sum([Decimal('0.1')]*10) == Decimal('1.0')
    True
    >>> sum([0.1]*10) == 1.0
-   False      
+   False
 
 The :mod:`decimal` module provides arithmetic with as much precision as needed::
 
diff --git a/Doc/whatsnew/2.6.rst b/Doc/whatsnew/2.6.rst
index 9337c23..a81243a 100644
--- a/Doc/whatsnew/2.6.rst
+++ b/Doc/whatsnew/2.6.rst
@@ -1965,7 +1965,7 @@ details.
   used to hold character data.
   (Contributed by Achim Gaedke; :issue:`1137`.)
 
-* The :mod:`queue` module now provides queue classes that retrieve entries
+* The :mod:`Queue` module now provides queue classes that retrieve entries
   in different orders.  The :class:`PriorityQueue` class stores
   queued items in a heap and retrieves them in priority order,
   and :class:`LifoQueue` retrieves the most recently added entries first,
diff --git a/Lib/Queue.py b/Lib/Queue.py
new file mode 100644
index 0000000..7b0b328
--- /dev/null
+++ b/Lib/Queue.py
@@ -0,0 +1,244 @@
+"""A multi-producer, multi-consumer queue."""
+
+from time import time as _time
+from collections import deque
+import heapq
+
+__all__ = ['Empty', 'Full', 'Queue', 'PriorityQueue', 'LifoQueue']
+
+class Empty(Exception):
+    "Exception raised by Queue.get(block=0)/get_nowait()."
+    pass
+
+class Full(Exception):
+    "Exception raised by Queue.put(block=0)/put_nowait()."
+    pass
+
+class Queue:
+    """Create a queue object with a given maximum size.
+
+    If maxsize is <= 0, the queue size is infinite.
+    """
+    def __init__(self, maxsize=0):
+        try:
+            import threading
+        except ImportError:
+            import dummy_threading as threading
+        self.maxsize = maxsize
+        self._init(maxsize)
+        # mutex must be held whenever the queue is mutating.  All methods
+        # that acquire mutex must release it before returning.  mutex
+        # is shared between the three conditions, so acquiring and
+        # releasing the conditions also acquires and releases mutex.
+        self.mutex = threading.Lock()
+        # Notify not_empty whenever an item is added to the queue; a
+        # thread waiting to get is notified then.
+        self.not_empty = threading.Condition(self.mutex)
+        # Notify not_full whenever an item is removed from the queue;
+        # a thread waiting to put is notified then.
+        self.not_full = threading.Condition(self.mutex)
+        # Notify all_tasks_done whenever the number of unfinished tasks
+        # drops to zero; thread waiting to join() is notified to resume
+        self.all_tasks_done = threading.Condition(self.mutex)
+        self.unfinished_tasks = 0
+
+    def task_done(self):
+        """Indicate that a formerly enqueued task is complete.
+
+        Used by Queue consumer threads.  For each get() used to fetch a task,
+        a subsequent call to task_done() tells the queue that the processing
+        on the task is complete.
+
+        If a join() is currently blocking, it will resume when all items
+        have been processed (meaning that a task_done() call was received
+        for every item that had been put() into the queue).
+
+        Raises a ValueError if called more times than there were items
+        placed in the queue.
+        """
+        self.all_tasks_done.acquire()
+        try:
+            unfinished = self.unfinished_tasks - 1
+            if unfinished <= 0:
+                if unfinished < 0:
+                    raise ValueError('task_done() called too many times')
+                self.all_tasks_done.notifyAll()
+            self.unfinished_tasks = unfinished
+        finally:
+            self.all_tasks_done.release()
+
+    def join(self):
+        """Blocks until all items in the Queue have been gotten and processed.
+
+        The count of unfinished tasks goes up whenever an item is added to the
+        queue. The count goes down whenever a consumer thread calls task_done()
+        to indicate the item was retrieved and all work on it is complete.
+
+        When the count of unfinished tasks drops to zero, join() unblocks.
+        """
+        self.all_tasks_done.acquire()
+        try:
+            while self.unfinished_tasks:
+                self.all_tasks_done.wait()
+        finally:
+            self.all_tasks_done.release()
+
+    def qsize(self):
+        """Return the approximate size of the queue (not reliable!)."""
+        self.mutex.acquire()
+        n = self._qsize()
+        self.mutex.release()
+        return n
+
+    def empty(self):
+        """Return True if the queue is empty, False otherwise (not reliable!)."""
+        self.mutex.acquire()
+        n = not self._qsize()
+        self.mutex.release()
+        return n
+
+    def full(self):
+        """Return True if the queue is full, False otherwise (not reliable!)."""
+        self.mutex.acquire()
+        n = 0 < self.maxsize == self._qsize()
+        self.mutex.release()
+        return n
+
+    def put(self, item, block=True, timeout=None):
+        """Put an item into the queue.
+
+        If optional args 'block' is true and 'timeout' is None (the default),
+        block if necessary until a free slot is available. If 'timeout' is
+        a positive number, it blocks at most 'timeout' seconds and raises
+        the Full exception if no free slot was available within that time.
+        Otherwise ('block' is false), put an item on the queue if a free slot
+        is immediately available, else raise the Full exception ('timeout'
+        is ignored in that case).
+        """
+        self.not_full.acquire()
+        try:
+            if self.maxsize > 0:
+                if not block:
+                    if self._qsize() == self.maxsize:
+                        raise Full
+                elif timeout is None:
+                    while self._qsize() == self.maxsize:
+                        self.not_full.wait()
+                elif timeout < 0:
+                    raise ValueError("'timeout' must be a positive number")
+                else:
+                    endtime = _time() + timeout
+                    while self._qsize() == self.maxsize:
+                        remaining = endtime - _time()
+                        if remaining <= 0.0:
+                            raise Full
+                        self.not_full.wait(remaining)
+            self._put(item)
+            self.unfinished_tasks += 1
+            self.not_empty.notify()
+        finally:
+            self.not_full.release()
+
+    def put_nowait(self, item):
+        """Put an item into the queue without blocking.
+
+        Only enqueue the item if a free slot is immediately available.
+        Otherwise raise the Full exception.
+        """
+        return self.put(item, False)
+
+    def get(self, block=True, timeout=None):
+        """Remove and return an item from the queue.
+
+        If optional args 'block' is true and 'timeout' is None (the default),
+        block if necessary until an item is available. If 'timeout' is
+        a positive number, it blocks at most 'timeout' seconds and raises
+        the Empty exception if no item was available within that time.
+        Otherwise ('block' is false), return an item if one is immediately
+        available, else raise the Empty exception ('timeout' is ignored
+        in that case).
+        """
+        self.not_empty.acquire()
+        try:
+            if not block:
+                if not self._qsize():
+                    raise Empty
+            elif timeout is None:
+                while not self._qsize():
+                    self.not_empty.wait()
+            elif timeout < 0:
+                raise ValueError("'timeout' must be a positive number")
+            else:
+                endtime = _time() + timeout
+                while not self._qsize():
+                    remaining = endtime - _time()
+                    if remaining <= 0.0:
+                        raise Empty
+                    self.not_empty.wait(remaining)
+            item = self._get()
+            self.not_full.notify()
+            return item
+        finally:
+            self.not_empty.release()
+
+    def get_nowait(self):
+        """Remove and return an item from the queue without blocking.
+
+        Only get an item if one is immediately available. Otherwise
+        raise the Empty exception.
+        """
+        return self.get(False)
+
+    # Override these methods to implement other queue organizations
+    # (e.g. stack or priority queue).
+    # These will only be called with appropriate locks held
+
+    # Initialize the queue representation
+    def _init(self, maxsize):
+        self.queue = deque()
+
+    def _qsize(self, len=len):
+        return len(self.queue)
+
+    # Put a new item in the queue
+    def _put(self, item):
+        self.queue.append(item)
+
+    # Get an item from the queue
+    def _get(self):
+        return self.queue.popleft()
+
+
+class PriorityQueue(Queue):
+    '''Variant of Queue that retrieves open entries in priority order (lowest first).
+
+    Entries are typically tuples of the form:  (priority number, data).
+    '''
+
+    def _init(self, maxsize):
+        self.queue = []
+
+    def _qsize(self, len=len):
+        return len(self.queue)
+
+    def _put(self, item, heappush=heapq.heappush):
+        heappush(self.queue, item)
+
+    def _get(self, heappop=heapq.heappop):
+        return heappop(self.queue)
+
+
+class LifoQueue(Queue):
+    '''Variant of Queue that retrieves most recently added entries first.'''
+
+    def _init(self, maxsize):
+        self.queue = []
+
+    def _qsize(self, len=len):
+        return len(self.queue)
+
+    def _put(self, item):
+        self.queue.append(item)
+
+    def _get(self):
+        return self.queue.pop()
diff --git a/Lib/idlelib/rpc.py b/Lib/idlelib/rpc.py
index cdfdac4..3bac6a3 100644
--- a/Lib/idlelib/rpc.py
+++ b/Lib/idlelib/rpc.py
@@ -35,7 +35,7 @@ import SocketServer
 import struct
 import cPickle as pickle
 import threading
-import queue
+import Queue
 import traceback
 import copy_reg
 import types
@@ -117,8 +117,8 @@ class RPCServer(SocketServer.TCPServer):
 #----------------- end class RPCServer --------------------
 
 objecttable = {}
-request_queue = queue.Queue(0)
-response_queue = queue.Queue(0)
+request_queue = Queue.Queue(0)
+response_queue = Queue.Queue(0)
 
 
 class SocketIO(object):
@@ -413,7 +413,7 @@ class SocketIO(object):
             # send queued response if there is one available
             try:
                 qmsg = response_queue.get(0)
-            except queue.Empty:
+            except Queue.Empty:
                 pass
             else:
                 seq, response = qmsg
diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py
index 8abbe50..7827c74 100644
--- a/Lib/idlelib/run.py
+++ b/Lib/idlelib/run.py
@@ -5,7 +5,7 @@ import socket
 import traceback
 import thread
 import threading
-import queue
+import Queue
 
 import CallTips
 import AutoComplete
@@ -85,7 +85,7 @@ def main(del_exitfunc=False):
                     continue
             try:
                 seq, request = rpc.request_queue.get(block=True, timeout=0.05)
-            except queue.Empty:
+            except Queue.Empty:
                 continue
             method, args, kwargs = request
             ret = method(*args, **kwargs)
diff --git a/Lib/lib-old/Queue.py b/Lib/lib-old/Queue.py
deleted file mode 100644
index 7b0b328..0000000
--- a/Lib/lib-old/Queue.py
+++ /dev/null
@@ -1,244 +0,0 @@
-"""A multi-producer, multi-consumer queue."""
-
-from time import time as _time
-from collections import deque
-import heapq
-
-__all__ = ['Empty', 'Full', 'Queue', 'PriorityQueue', 'LifoQueue']
-
-class Empty(Exception):
-    "Exception raised by Queue.get(block=0)/get_nowait()."
-    pass
-
-class Full(Exception):
-    "Exception raised by Queue.put(block=0)/put_nowait()."
-    pass
-
-class Queue:
-    """Create a queue object with a given maximum size.
-
-    If maxsize is <= 0, the queue size is infinite.
-    """
-    def __init__(self, maxsize=0):
-        try:
-            import threading
-        except ImportError:
-            import dummy_threading as threading
-        self.maxsize = maxsize
-        self._init(maxsize)
-        # mutex must be held whenever the queue is mutating.  All methods
-        # that acquire mutex must release it before returning.  mutex
-        # is shared between the three conditions, so acquiring and
-        # releasing the conditions also acquires and releases mutex.
-        self.mutex = threading.Lock()
-        # Notify not_empty whenever an item is added to the queue; a
-        # thread waiting to get is notified then.
-        self.not_empty = threading.Condition(self.mutex)
-        # Notify not_full whenever an item is removed from the queue;
-        # a thread waiting to put is notified then.
-        self.not_full = threading.Condition(self.mutex)
-        # Notify all_tasks_done whenever the number of unfinished tasks
-        # drops to zero; thread waiting to join() is notified to resume
-        self.all_tasks_done = threading.Condition(self.mutex)
-        self.unfinished_tasks = 0
-
-    def task_done(self):
-        """Indicate that a formerly enqueued task is complete.
-
-        Used by Queue consumer threads.  For each get() used to fetch a task,
-        a subsequent call to task_done() tells the queue that the processing
-        on the task is complete.
-
-        If a join() is currently blocking, it will resume when all items
-        have been processed (meaning that a task_done() call was received
-        for every item that had been put() into the queue).
-
-        Raises a ValueError if called more times than there were items
-        placed in the queue.
-        """
-        self.all_tasks_done.acquire()
-        try:
-            unfinished = self.unfinished_tasks - 1
-            if unfinished <= 0:
-                if unfinished < 0:
-                    raise ValueError('task_done() called too many times')
-                self.all_tasks_done.notifyAll()
-            self.unfinished_tasks = unfinished
-        finally:
-            self.all_tasks_done.release()
-
-    def join(self):
-        """Blocks until all items in the Queue have been gotten and processed.
-
-        The count of unfinished tasks goes up whenever an item is added to the
-        queue. The count goes down whenever a consumer thread calls task_done()
-        to indicate the item was retrieved and all work on it is complete.
-
-        When the count of unfinished tasks drops to zero, join() unblocks.
-        """
-        self.all_tasks_done.acquire()
-        try:
-            while self.unfinished_tasks:
-                self.all_tasks_done.wait()
-        finally:
-            self.all_tasks_done.release()
-
-    def qsize(self):
-        """Return the approximate size of the queue (not reliable!)."""
-        self.mutex.acquire()
-        n = self._qsize()
-        self.mutex.release()
-        return n
-
-    def empty(self):
-        """Return True if the queue is empty, False otherwise (not reliable!)."""
-        self.mutex.acquire()
-        n = not self._qsize()
-        self.mutex.release()
-        return n
-
-    def full(self):
-        """Return True if the queue is full, False otherwise (not reliable!)."""
-        self.mutex.acquire()
-        n = 0 < self.maxsize == self._qsize()
-        self.mutex.release()
-        return n
-
-    def put(self, item, block=True, timeout=None):
-        """Put an item into the queue.
-
-        If optional args 'block' is true and 'timeout' is None (the default),
-        block if necessary until a free slot is available. If 'timeout' is
-        a positive number, it blocks at most 'timeout' seconds and raises
-        the Full exception if no free slot was available within that time.
-        Otherwise ('block' is false), put an item on the queue if a free slot
-        is immediately available, else raise the Full exception ('timeout'
-        is ignored in that case).
-        """
-        self.not_full.acquire()
-        try:
-            if self.maxsize > 0:
-                if not block:
-                    if self._qsize() == self.maxsize:
-                        raise Full
-                elif timeout is None:
-                    while self._qsize() == self.maxsize:
-                        self.not_full.wait()
-                elif timeout < 0:
-                    raise ValueError("'timeout' must be a positive number")
-                else:
-                    endtime = _time() + timeout
-                    while self._qsize() == self.maxsize:
-                        remaining = endtime - _time()
-                        if remaining <= 0.0:
-                            raise Full
-                        self.not_full.wait(remaining)
-            self._put(item)
-            self.unfinished_tasks += 1
-            self.not_empty.notify()
-        finally:
-            self.not_full.release()
-
-    def put_nowait(self, item):
-        """Put an item into the queue without blocking.
-
-        Only enqueue the item if a free slot is immediately available.
-        Otherwise raise the Full exception.
-        """
-        return self.put(item, False)
-
-    def get(self, block=True, timeout=None):
-        """Remove and return an item from the queue.
-
-        If optional args 'block' is true and 'timeout' is None (the default),
-        block if necessary until an item is available. If 'timeout' is
-        a positive number, it blocks at most 'timeout' seconds and raises
-        the Empty exception if no item was available within that time.
-        Otherwise ('block' is false), return an item if one is immediately
-        available, else raise the Empty exception ('timeout' is ignored
-        in that case).
-        """
-        self.not_empty.acquire()
-        try:
-            if not block:
-                if not self._qsize():
-                    raise Empty
-            elif timeout is None:
-                while not self._qsize():
-                    self.not_empty.wait()
-            elif timeout < 0:
-                raise ValueError("'timeout' must be a positive number")
-            else:
-                endtime = _time() + timeout
-                while not self._qsize():
-                    remaining = endtime - _time()
-                    if remaining <= 0.0:
-                        raise Empty
-                    self.not_empty.wait(remaining)
-            item = self._get()
-            self.not_full.notify()
-            return item
-        finally:
-            self.not_empty.release()
-
-    def get_nowait(self):
-        """Remove and return an item from the queue without blocking.
-
-        Only get an item if one is immediately available. Otherwise
-        raise the Empty exception.
-        """
-        return self.get(False)
-
-    # Override these methods to implement other queue organizations
-    # (e.g. stack or priority queue).
-    # These will only be called with appropriate locks held
-
-    # Initialize the queue representation
-    def _init(self, maxsize):
-        self.queue = deque()
-
-    def _qsize(self, len=len):
-        return len(self.queue)
-
-    # Put a new item in the queue
-    def _put(self, item):
-        self.queue.append(item)
-
-    # Get an item from the queue
-    def _get(self):
-        return self.queue.popleft()
-
-
-class PriorityQueue(Queue):
-    '''Variant of Queue that retrieves open entries in priority order (lowest first).
-
-    Entries are typically tuples of the form:  (priority number, data).
-    '''
-
-    def _init(self, maxsize):
-        self.queue = []
-
-    def _qsize(self, len=len):
-        return len(self.queue)
-
-    def _put(self, item, heappush=heapq.heappush):
-        heappush(self.queue, item)
-
-    def _get(self, heappop=heapq.heappop):
-        return heappop(self.queue)
-
-
-class LifoQueue(Queue):
-    '''Variant of Queue that retrieves most recently added entries first.'''
-
-    def _init(self, maxsize):
-        self.queue = []
-
-    def _qsize(self, len=len):
-        return len(self.queue)
-
-    def _put(self, item):
-        self.queue.append(item)
-
-    def _get(self):
-        return self.queue.pop()
diff --git a/Lib/test/test___all__.py b/Lib/test/test___all__.py
index ec58c14..57933d2 100644
--- a/Lib/test/test___all__.py
+++ b/Lib/test/test___all__.py
@@ -40,7 +40,7 @@ class AllTest(unittest.TestCase):
         self.check_all("configparser")
         self.check_all("Cookie")
         self.check_all("MimeWriter")
-        self.check_all("queue")
+        self.check_all("Queue")
         self.check_all("SimpleHTTPServer")
         self.check_all("SocketServer")
         self.check_all("StringIO")
diff --git a/Lib/test/test_dummy_thread.py b/Lib/test/test_dummy_thread.py
index fa87af9..f274e0a 100644
--- a/Lib/test/test_dummy_thread.py
+++ b/Lib/test/test_dummy_thread.py
@@ -7,7 +7,7 @@ implementation as its sole argument.
 """
 import dummy_thread as _thread
 import time
-import queue
+import Queue
 import random
 import unittest
 from test import test_support
@@ -124,7 +124,7 @@ class ThreadTests(unittest.TestCase):
             """Use to test _thread.start_new_thread() passes args properly."""
             queue.put((arg1, arg2))
 
-        testing_queue = queue.Queue(1)
+        testing_queue = Queue.Queue(1)
         _thread.start_new_thread(arg_tester, (testing_queue, True, True))
         result = testing_queue.get()
         self.failUnless(result[0] and result[1],
@@ -148,7 +148,7 @@ class ThreadTests(unittest.TestCase):
             queue.put(_thread.get_ident())
 
         thread_count = 5
-        testing_queue = queue.Queue(thread_count)
+        testing_queue = Queue.Queue(thread_count)
         if test_support.verbose:
             print
             print "*** Testing multiple thread creation "\
diff --git a/Lib/test/test_py3kwarn.py b/Lib/test/test_py3kwarn.py
index 5a9421f..a456154 100644
--- a/Lib/test/test_py3kwarn.py
+++ b/Lib/test/test_py3kwarn.py
@@ -215,9 +215,7 @@ class TestStdlibRemovals(unittest.TestCase):
 
 class TestStdlibRenames(unittest.TestCase):
 
-    renames = {'Queue': 'queue',
-               'ConfigParser': 'configparser',
-              }
+    renames = {'ConfigParser': 'configparser'}
 
     def check_rename(self, module_name, new_module_name):
         """Make sure that:
diff --git a/Lib/test/test_queue.py b/Lib/test/test_queue.py
index 7cc9329..660e177 100644
--- a/Lib/test/test_queue.py
+++ b/Lib/test/test_queue.py
@@ -1,6 +1,6 @@
 # Some simple queue module tests, plus some failure conditions
 # to ensure the Queue locks remain stable.
-import queue
+import Queue
 import sys
 import threading
 import time
@@ -107,12 +107,12 @@ class BaseQueueTest(unittest.TestCase, BlockingTestMixin):
         try:
             q.put("full", block=0)
             self.fail("Didn't appear to block with a full queue")
-        except queue.Full:
+        except Queue.Full:
             pass
         try:
             q.put("full", timeout=0.01)
             self.fail("Didn't appear to time-out with a full queue")
-        except queue.Full:
+        except Queue.Full:
             pass
         # Test a blocking put
         self.do_blocking_test(q.put, ("full",), q.get, ())
@@ -124,12 +124,12 @@ class BaseQueueTest(unittest.TestCase, BlockingTestMixin):
         try:
             q.get(block=0)
             self.fail("Didn't appear to block with an empty queue")
-        except queue.Empty:
+        except Queue.Empty:
             pass
         try:
             q.get(timeout=0.01)
             self.fail("Didn't appear to time-out with an empty queue")
-        except queue.Empty:
+        except Queue.Empty:
             pass
         # Test a blocking get
         self.do_blocking_test(q.get, (), q.put, ('empty',))
@@ -191,13 +191,13 @@ class BaseQueueTest(unittest.TestCase, BlockingTestMixin):
 
 
 class QueueTest(BaseQueueTest):
-    type2test = queue.Queue
+    type2test = Queue.Queue
 
 class LifoQueueTest(BaseQueueTest):
-    type2test = queue.LifoQueue
+    type2test = Queue.LifoQueue
 
 class PriorityQueueTest(BaseQueueTest):
-    type2test = queue.PriorityQueue
+    type2test = Queue.PriorityQueue
 
 
 
@@ -205,21 +205,21 @@ class PriorityQueueTest(BaseQueueTest):
 class FailingQueueException(Exception):
     pass
 
-class FailingQueue(queue.Queue):
+class FailingQueue(Queue.Queue):
     def __init__(self, *args):
         self.fail_next_put = False
         self.fail_next_get = False
-        queue.Queue.__init__(self, *args)
+        Queue.Queue.__init__(self, *args)
     def _put(self, item):
         if self.fail_next_put:
             self.fail_next_put = False
             raise FailingQueueException, "You Lose"
-        return queue.Queue._put(self, item)
+        return Queue.Queue._put(self, item)
     def _get(self):
         if self.fail_next_get:
             self.fail_next_get = False
             raise FailingQueueException, "You Lose"
-        return queue.Queue._get(self)
+        return Queue.Queue._get(self)
 
 class FailingQueueTest(unittest.TestCase, BlockingTestMixin):
 
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
index 81ef6d3..48c9346 100644
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -9,7 +9,7 @@ import select
 import thread, threading
 import time
 import traceback
-import queue
+import Queue
 import sys
 import os
 import array
@@ -96,7 +96,7 @@ class ThreadableTest:
         self.server_ready = threading.Event()
         self.client_ready = threading.Event()
         self.done = threading.Event()
-        self.queue = queue.Queue(1)
+        self.queue = Queue.Queue(1)
 
         # Do some munging to start the client test.
         methodname = self.id()
diff --git a/Misc/cheatsheet b/Misc/cheatsheet
index 8954e98..15c4d00 100644
--- a/Misc/cheatsheet
+++ b/Misc/cheatsheet
@@ -1044,7 +1044,7 @@ str(object)         printablerepresentation of an object. Class overridable
 super(type)         Create an unbound super object.  Used to call cooperative
                     superclass methods.
 sum(sequence,       Add the values in the sequence and return the sum.
-    [start]) 
+    [start])
 tuple(sequence)     Creates a tuple with same elements as sequence. If already
                     a tuple, return itself (not a copy).
                     Returns a type object [see module types] representing
@@ -1952,7 +1952,7 @@ pty              Pseudo terminal utilities.
 pyexpat          Interface to the Expay XML parser.
 py_compile       Routine to "compile" a .py file to a .pyc file.
 pyclbr           Parse a Python file and retrieve classes and methods.
-queue            A multi-producer, multi-consumer queue.
+Queue            A multi-producer, multi-consumer queue.
 quopri           Conversions to/from quoted-printable transport encoding.
 rand             Don't use unless you want compatibility with C's rand().
 random           Random variable generators
diff --git a/Tools/webchecker/wsgui.py b/Tools/webchecker/wsgui.py
index b2223c4..95c7ab9 100755
--- a/Tools/webchecker/wsgui.py
+++ b/Tools/webchecker/wsgui.py
@@ -10,7 +10,7 @@ from Tkinter import *
 import websucker
 import os
 import threading
-import queue
+import Queue
 import time
 
 VERBOSE = 2
@@ -139,7 +139,7 @@ class App:
 
     def go(self, event=None):
         if not self.msgq:
-            self.msgq = queue.Queue(0)
+            self.msgq = Queue.Queue(0)
             self.check_msgq()
         if not self.sucker:
             self.sucker = SuckerThread(self.msgq)
-- 
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