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gh-94169: Remove deprecated io.OpenWrapper (#94170)

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Remove io.OpenWrapper and _pyio.OpenWrapper, deprecated in Python
3.10: just use :func:`open` instead. The open() (io.open()) function
is a built-in function. Since Python 3.10, _pyio.open() is also a
static method.
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Victor Stinner 2022-06-24 08:46:53 +02:00 • committed by GitHub
parent 5075e81c51
commit 6e33ba114f
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5 changed files with 10 additions and 40 deletions
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16
Lib/_pyio.py
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@ -303,22 +303,6 @@ except AttributeError:
open_code = _open_code_with_warning
def __getattr__(name):
if name == "OpenWrapper":
# bpo-43680: Until Python 3.9, _pyio.open was not a static method and
# builtins.open was set to OpenWrapper to not become a bound method
# when set to a class variable. _io.open is a built-in function whereas
# _pyio.open is a Python function. In Python 3.10, _pyio.open() is now
# a static method, and builtins.open() is now io.open().
import warnings
warnings.warn('OpenWrapper is deprecated, use open instead',
DeprecationWarning, stacklevel=2)
global OpenWrapper
OpenWrapper = open
return OpenWrapper
raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
# In normal operation, both `UnsupportedOperation`s should be bound to the
# same object.
try: