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[3.11] get other types without module types in copy.py #158945

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[3.11] get other types without module types in copy.py #158945

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27 changes: 15 additions & 12 deletions Lib/copy.py
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Original file line number Diff line number Diff line change
Expand Up @@ -48,12 +48,12 @@ class instances).
"pickle" for information on these methods.
"""

import types
import weakref
from copyreg import dispatch_table

class Error(Exception):
pass
def dummy(self): # for define MethodType
pass
error = Error # backward compatibility

try:
Expand Down Expand Up @@ -106,13 +106,16 @@ def copy(x):

def _copy_immutable(x):
return x

CodeType = type(compile("pass", "<string>", "exec"))
BuiltinFunctionType = type(eval)
FunctionType = type(_copy_immutable)
MethodType = type(Error().dummy)

for t in (type(None), 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:
BuiltinFunctionType, type(Ellipsis), type(NotImplemented),
FunctionType, CodeType, weakref.ref):
d[t] = _copy_immutable

d[list] = list.copy
Expand Down Expand Up @@ -190,11 +193,11 @@ def _deepcopy_atomic(x, memo):
d[complex] = _deepcopy_atomic
d[bytes] = _deepcopy_atomic
d[str] = _deepcopy_atomic
d[types.CodeType] = _deepcopy_atomic
d[CodeType] = _deepcopy_atomic
d[type] = _deepcopy_atomic
d[range] = _deepcopy_atomic
d[types.BuiltinFunctionType] = _deepcopy_atomic
d[types.FunctionType] = _deepcopy_atomic
d[BuiltinFunctionType] = _deepcopy_atomic
d[FunctionType] = _deepcopy_atomic
d[weakref.ref] = _deepcopy_atomic
d[property] = _deepcopy_atomic

Expand Down Expand Up @@ -236,7 +239,7 @@ def _deepcopy_dict(x, memo, deepcopy=deepcopy):

def _deepcopy_method(x, memo): # Copy instance methods
return type(x)(x.__func__, deepcopy(x.__self__, memo))
d[types.MethodType] = _deepcopy_method
d[MethodType] = _deepcopy_method

del d

Expand Down Expand Up @@ -301,4 +304,4 @@ def _reconstruct(x, memo, func, args,
y[key] = value
return y

del types, weakref, PyStringMap
del weakref, PyStringMap
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