1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
from django.utils.version import PY313
if PY313:
from copy import replace
else:
# Backport of copy.replace() from Python 3.13.
def replace(obj, /, **changes):
"""Return a new object replacing specified fields with new values.
This is especially useful for immutable objects, like named tuples or
frozen dataclasses.
"""
cls = obj.__class__
func = getattr(cls, "__replace__", None)
if func is None:
raise TypeError(f"replace() does not support {cls.__name__} objects")
return func(obj, **changes)
|
