8000 [3.11] gh-106602: [Enum] Add __copy__ and __deepcopy__ (GH-106666) by miss-islington · Pull Request #106694 · python/cpython · GitHub
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[3.11] gh-106602: [Enum] Add __copy__ and __deepcopy__ (GH-106666) #106694

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Merged
merged 1 commit into from
Jul 12, 2023
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[3.11] gh-106602: [Enum] Add __copy__ and __deepcopy__ (GH-106666) #106694

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gh-106602: [Enum] Add __copy__ and __deepcopy__ (GH-106666) 
(cherry picked from commit 357e9e9)

Co-authored-by: Prince Roshan <princekrroshan01@gmail.com>
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@Agent-Hellboy @miss-islington
Agent-Hellboy authored and miss-islington committed Jul 12, 2023
commit 6108571577f0dbff249ccd970a25a4b50f155f85
6 changes: 6 additions & 0 deletions Lib/enum.py
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Expand Up @@ -1227,6 +1227,12 @@ def __hash__(self):
def __reduce_ex__(self, proto):
return self.__class__, (self._value_, )

def __deepcopy__(self,memo):
return self

def __copy__(self):
return self

# enum.property is used to provide access to the `name` and
# `value` attributes of enum members while keeping some measure of
# protection from modification, while still allowing for an enumeration
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8 changes: 8 additions & 0 deletions Lib/test/test_enum.py
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Expand Up @@ -775,9 +775,17 @@ def test_copy(self):
TE = self.MainEnum
copied = copy.copy(TE)
self.assertEqual(copied, TE)
self.assertIs(copied, TE)
deep = copy.deepcopy(TE)
self.assertEqual(deep, TE)
self.assertIs(deep, TE)

def test_copy_member(self):
TE = self.MainEnum
copied = copy.copy(TE.first)
self.assertIs(copied, TE.first)
deep = copy.deepcopy(TE.first)
self.assertIs(deep, TE.first)

class _FlagTests:

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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2023-07-12-04-58-45.gh-issue-106602.dGCcXe.rst
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@@ -0,0 +1 @@
Add __copy__ and __deepcopy__ in :mod:`enum`
0