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gh-100815: Normalize types module usage in copy module#100816

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Merged
AlexWaygood merged 1 commit into from
Jan 7, 2023
Merged

gh-100815: Normalize types module usage in copy module #100816

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16 changes: 7 additions & 9 deletions Lib/copy.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -101,13 +101,11 @@ def copy(x):

def _copy_immutable(x):
return x
for t in (type(None), int, float, bool, complex, str, tuple,
for t in (types.NoneType, int, float, bool, complex, str, tuple,
bytes, frozenset, type, range, slice, property,
types.BuiltinFunctionType, type(Ellipsis), type(NotImplemented),
types.FunctionType, weakref.ref):
d[t] = _copy_immutable
t = getattr(types, "CodeType", None)
if t is not None:
types.BuiltinFunctionType, types.EllipsisType,
types.NotImplementedType, types.FunctionType, types.CodeType,
weakref.ref):
d[t] = _copy_immutable

d[list] = list.copy
Expand DownExpand Up@@ -173,9 +171,9 @@ def deepcopy(x, memo=None, _nil=[]):

def _deepcopy_atomic(x, memo):
return x
d[type(None)] = _deepcopy_atomic
d[type(Ellipsis)] = _deepcopy_atomic
d[type(NotImplemented)] = _deepcopy_atomic
d[types.NoneType] = _deepcopy_atomic
d[types.EllipsisType] = _deepcopy_atomic
d[types.NotImplementedType] = _deepcopy_atomic
d[int] = _deepcopy_atomic
d[float] = _deepcopy_atomic
d[bool] = _deepcopy_atomic
Expand Down