From b807577da257ba2475abe955120fb7bdf739875c Mon Sep 17 00:00:00 2001 From: Antoine Pitrou Date: Thu, 27 Feb 2014 22:14:31 +0100 Subject: Issue #20791: copy.copy() now doesn't make a copy when the input is a bytes object. Initial patch by Peter Otten. --- Lib/copy.py | 2 +- Lib/test/test_copy.py | 1 + Misc/NEWS | 3 +++ 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/Lib/copy.py b/Lib/copy.py index d26bcdb..bb8840e 100644 --- a/Lib/copy.py +++ b/Lib/copy.py @@ -110,7 +110,7 @@ _copy_dispatch = d = {} def _copy_immutable(x): return x for t in (type(None), int, float, bool, str, tuple, - frozenset, type, range, + bytes, frozenset, type, range, types.BuiltinFunctionType, type(Ellipsis), types.FunctionType, weakref.ref): d[t] = _copy_immutable diff --git a/Lib/test/test_copy.py b/Lib/test/test_copy.py index cde0bae..eb8d18c 100644 --- a/Lib/test/test_copy.py +++ b/Lib/test/test_copy.py @@ -98,6 +98,7 @@ class TestCopy(unittest.TestCase): pass tests = [None, 42, 2**100, 3.14, True, False, 1j, "hello", "hello\u1234", f.__code__, + b"world", bytes(range(256)), NewStyle, range(10), Classic, max, WithMetaclass] for x in tests: self.assertIs(copy.copy(x), x) diff --git a/Misc/NEWS b/Misc/NEWS index f6d82e2..4c99dd3 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -26,6 +26,9 @@ Core and Builtins Library ------- +- Issue #20791: copy.copy() now doesn't make a copy when the input is + a bytes object. Initial patch by Peter Otten. + - Issue #20621: Fixes a zipimport bug introduced in 3.3.4 that could cause spurious crashes or SystemErrors when importing modules or packages from a zip file. The change causing the problem was reverted. -- cgit v0.12