From: Serhiy Storchaka <storchaka@gmail.com>
Date: Thu, 28 Jan 2016 19:43:35 +0000 (+0200)
Subject: Issue #26202: copy.deepcopy() now correctly copies range() objects with
X-Git-Tag: v3.6.0a1~676^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0a20bbf66913157bb54b8d6e426f540233c7ea6c;p=thirdparty%2FPython%2Fcpython.git

Issue #26202: copy.deepcopy() now correctly copies range() objects with
non-atomic attributes.
---

diff --git a/Lib/copy.py b/Lib/copy.py
index 493c487d8a82..972b94ab491f 100644
--- a/Lib/copy.py
+++ b/Lib/copy.py
@@ -207,7 +207,6 @@ try:
 except AttributeError:
     pass
 d[type] = _deepcopy_atomic
-d[range] = _deepcopy_atomic
 d[types.BuiltinFunctionType] = _deepcopy_atomic
 d[types.FunctionType] = _deepcopy_atomic
 d[weakref.ref] = _deepcopy_atomic
diff --git a/Lib/test/test_copy.py b/Lib/test/test_copy.py
index 4107e8afd629..7912c7cd692d 100644
--- a/Lib/test/test_copy.py
+++ b/Lib/test/test_copy.py
@@ -314,7 +314,7 @@ class TestCopy(unittest.TestCase):
             pass
         tests = [None, 42, 2**100, 3.14, True, False, 1j,
                  "hello", "hello\u1234", f.__code__,
-                 NewStyle, range(10), Classic, max]
+                 NewStyle, Classic, max]
         for x in tests:
             self.assertIs(copy.deepcopy(x), x)
 
@@ -536,6 +536,17 @@ class TestCopy(unittest.TestCase):
         self.assertIsNot(y, x)
         self.assertIs(y.foo, y)
 
+    def test_deepcopy_range(self):
+        class I(int):
+            pass
+        x = range(I(10))
+        y = copy.deepcopy(x)
+        self.assertIsNot(y, x)
+        self.assertEqual(y, x)
+        self.assertIsNot(y.stop, x.stop)
+        self.assertEqual(y.stop, x.stop)
+        self.assertIsInstance(y.stop, I)
+
     # _reconstruct()
 
     def test_reconstruct_string(self):
diff --git a/Misc/NEWS b/Misc/NEWS
index cd693fc93c91..cbfae9bdf3b4 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -66,6 +66,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #26202: copy.deepcopy() now correctly copies range() objects with
+  non-atomic attributes.
+
 - Issue #19883: Fixed possible integer overflows in zipimport.
 
 - Issue #26227: On Windows, getnameinfo(), gethostbyaddr() and