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GH-83863: Drop support for using pathlib.Path objects as context managers (GH-104807)

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In Python 3.8 and prior, `pathlib.Path.__exit__()` marked a path as closed;
some subsequent attempts to perform I/O would raise an IOError. This
functionality was never documented, and had the effect of making `Path`
objects mutable, contrary to PEP 428. In Python 3.9 we made `__exit__()` a
no-op, and in 3.11 `__enter__()` began raising deprecation warnings. Here
we remove both methods.
This commit is contained in:
Barney Gale 2023-05-23 23:31:59 +01:00 • committed by GitHub
parent e0b3078705
commit 6b1510cf11
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4 changed files with 7 additions and 39 deletions
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20
Lib/test/test_pathlib.py
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@ -2080,26 +2080,6 @@ class _BasePathTest(object):
finally:
os.chdir(old_cwd)
def test_with(self):
p = self.cls(BASE)
it = p.iterdir()
it2 = p.iterdir()
next(it2)
# bpo-46556: path context managers are deprecated in Python 3.11.
with self.assertWarns(DeprecationWarning):
with p:
pass
# Using a path as a context manager is a no-op, thus the following
# operations should still succeed after the context manage exits.
next(it)
next(it2)
p.exists()
p.resolve()
p.absolute()
with self.assertWarns(DeprecationWarning):
with p:
pass
@os_helper.skip_unless_working_chmod
def test_chmod(self):
p = self.cls(BASE) / 'fileA'