changeset:   100105:5772eae17a82
branch:      3.5
parent:      100102:687be1cbe587
user:        Serhiy Storchaka <storchaka@gmail.com>
date:        Thu Jan 28 21:43:35 2016 +0200
files:       Lib/copy.py Lib/test/test_copy.py Misc/NEWS
description:
Issue #26202: copy.deepcopy() now correctly copies range() objects with
non-atomic attributes.


diff -r 687be1cbe587 -r 5772eae17a82 Lib/copy.py
--- a/Lib/copy.py	Thu Jan 28 21:30:16 2016 +0200
+++ b/Lib/copy.py	Thu Jan 28 21:43:35 2016 +0200
@@ -207,7 +207,6 @@
 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 -r 687be1cbe587 -r 5772eae17a82 Lib/test/test_copy.py
--- a/Lib/test/test_copy.py	Thu Jan 28 21:30:16 2016 +0200
+++ b/Lib/test/test_copy.py	Thu Jan 28 21:43:35 2016 +0200
@@ -314,7 +314,7 @@
             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 @@
         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 -r 687be1cbe587 -r 5772eae17a82 Misc/NEWS
--- a/Misc/NEWS	Thu Jan 28 21:30:16 2016 +0200
+++ b/Misc/NEWS	Thu Jan 28 21:43:35 2016 +0200
@@ -66,6 +66,9 @@
 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