From 093b67061ac54b603483fed1038d686b34cc61f5 Mon Sep 17 00:00:00 2001
From: Brett Cannon <bcannon@gmail.com>
Date: Sat, 13 Jan 2007 00:29:49 +0000
Subject: Deprecate the sets module.

---
 Doc/lib/libsets.tex      | 2 ++
 Lib/sets.py              | 4 ++++
 Lib/test/test___all__.py | 2 ++
 Lib/test/test_sets.py    | 4 ++++
 Misc/NEWS                | 3 +++
 5 files changed, 15 insertions(+)

diff --git a/Doc/lib/libsets.tex b/Doc/lib/libsets.tex
index 22bf34b..efa4e0f 100644
--- a/Doc/lib/libsets.tex
+++ b/Doc/lib/libsets.tex
@@ -9,6 +9,8 @@
 \sectionauthor{Raymond D. Hettinger}{python@rcn.com}
 
 \versionadded{2.3}
+\deprecated{2.6}{ The built-in \code{set}/\code{frozneset} types replace this
+module.}
 
 The \module{sets} module provides classes for constructing and manipulating
 unordered collections of unique elements.  Common uses include membership
diff --git a/Lib/sets.py b/Lib/sets.py
index 32a0dd6..99ee931 100644
--- a/Lib/sets.py
+++ b/Lib/sets.py
@@ -80,6 +80,10 @@ except ImportError:
 
 __all__ = ['BaseSet', 'Set', 'ImmutableSet']
 
+import warnings
+warnings.warn("the sets module is deprecated", DeprecationWarning,
+                stacklevel=2)
+
 class BaseSet(object):
     """Common base class for mutable and immutable sets."""
 
diff --git a/Lib/test/test___all__.py b/Lib/test/test___all__.py
index c45e139..dbc6bc3 100644
--- a/Lib/test/test___all__.py
+++ b/Lib/test/test___all__.py
@@ -9,6 +9,8 @@ warnings.filterwarnings("ignore",
                         "the gopherlib module is deprecated",
                         DeprecationWarning,
                         "<string>")
+warnings.filterwarnings("ignore", "the sets module is deprecated",
+                        DeprecationWarning, "<string>")
 
 class AllTest(unittest.TestCase):
 
diff --git a/Lib/test/test_sets.py b/Lib/test/test_sets.py
index 85e4a22..efa388f 100644
--- a/Lib/test/test_sets.py
+++ b/Lib/test/test_sets.py
@@ -1,5 +1,9 @@
 #!/usr/bin/env python
 
+import warnings
+warnings.filterwarnings("ignore", "the sets module is deprecated",
+                        DeprecationWarning, "test\.test_sets")
+
 import unittest, operator, copy, pickle, random
 from sets import Set, ImmutableSet
 from test import test_support
diff --git a/Misc/NEWS b/Misc/NEWS
index 0319fc1..754ceae 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -109,6 +109,9 @@ Core and builtins
 Library
 -------
 
+- The sets module has been deprecated.  Use the built-in set/frozenset types
+  instead.
+
 - Bug #1610795: make ctypes.util.find_library work on BSD systems.
 
 - Fixes for 64-bit Windows: In ctypes.wintypes, correct the
-- 
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