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Issue #20791: copy.copy() now doesn't make a copy when the input is a bytes object. Initial patch by Peter Otten.

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This commit is contained in:
Antoine Pitrou 2014-02-27 22:14:31 +01:00
parent 85736a7d2c
commit dc9215f882
3 changed files with 5 additions and 1 deletions
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2
Lib/copy.py
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@ -110,7 +110,7 @@ _copy_dispatch = d = {}
def _copy_immutable(x): def _copy_immutable(x):
return x return x
for t in (type(None), int, float, bool, str, tuple, for t in (type(None), int, float, bool, str, tuple,
frozenset, type, range, bytes, frozenset, type, range,
types.BuiltinFunctionType, type(Ellipsis), types.BuiltinFunctionType, type(Ellipsis),
types.FunctionType, weakref.ref): types.FunctionType, weakref.ref):
d[t] = _copy_immutable d[t] = _copy_immutable

1
Lib/test/test_copy.py
View file

@ -98,6 +98,7 @@ class TestCopy(unittest.TestCase):
pass pass
tests = [None, 42, 2**100, 3.14, True, False, 1j, tests = [None, 42, 2**100, 3.14, True, False, 1j,
"hello", "hello\u1234", f.__code__, "hello", "hello\u1234", f.__code__,
b"world", bytes(range(256)),
NewStyle, range(10), Classic, max, WithMetaclass] NewStyle, range(10), Classic, max, WithMetaclass]
for x in tests: for x in tests:
self.assertIs(copy.copy(x), x) self.assertIs(copy.copy(x), x)

3
Misc/NEWS
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@ -14,6 +14,9 @@ Core and Builtins
Library Library
------- -------
- Issue #20791: copy.copy() now doesn't make a copy when the input is
a bytes object. Initial patch by Peter Otten.
- Issue #19748: On AIX, time.mktime() now raises an OverflowError for year - Issue #19748: On AIX, time.mktime() now raises an OverflowError for year
outsize range [1902; 2037]. outsize range [1902; 2037].