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[3.8] gh-102950: Implement PEP 706 – Filter for tarfile.extractall (GH-102953) #104548

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Merged
ambv merged 8 commits into from
May 17, 2023
Merged

[3.8] gh-102950: Implement PEP 706 – Filter for tarfile.extractall (GH-102953) #104548

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f4556de
Implement PEP 706 – Filter for tarfile.extractall
encukou Jan 31, 2023
c737a47
Downgrade to Python 3.6
encukou May 16, 2023
6da78bf
Remove the DeprecationWarning
encukou Apr 25, 2023
57b003a
Remove new __all__ entries
encukou Apr 25, 2023
cabcaf2
gh-102950: Adjust tarfile filter tests for systems that don't set the…
encukou Apr 25, 2023
4a17b3d
Skip chmod checking on Windows
encukou May 9, 2023
3e2c2f9
Adjust the docs for 3.9.17
encukou Apr 25, 2023
f755ecd
Backport warning to shutil.unpack_archive docs
encukou May 16, 2023
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Remove the DeprecationWarning
  • Loading branch information
@encukou
encukou committed May 16, 2023
commit 6da78bfe2575cd25a9e11d343bc37f2c336a7514
5 changes: 0 additions & 5 deletions Lib/tarfile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2191,11 +2191,6 @@ def _get_filter_function(self, filter):
if filter is None:
filter = self.extraction_filter
if filter is None:
warnings.warn(
'Python 3.14 will, by default, filter extracted tar '
+ 'archives and reject files or modify their metadata. '
+ 'Use the filter argument to control this behavior.',
DeprecationWarning)
return fully_trusted_filter
if isinstance(filter, str):
raise TypeError(
Expand Down
3 changes: 1 addition & 2 deletions Lib/test/test_shutil.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1494,8 +1494,7 @@ def check_unpack_archive_with_converter(self, format, converter, **kwargs):
def check_unpack_tarball(self, format):
self.check_unpack_archive(format, filter='fully_trusted')
self.check_unpack_archive(format, filter='data')
with support.check_warnings(
('The default', RuntimeWarning)):
with support.check_no_warnings(self):
self.check_unpack_archive(format)

def test_unpack_archive_tar(self):
Expand Down
14 changes: 5 additions & 9 deletions Lib/test/test_tarfile.py
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Expand Up @@ -2,7 +2,7 @@
import os
import io
from hashlib import sha256
from contextlib import contextmanager, ExitStack
from contextlib import contextmanager
from random import Random
import pathlib
import shutil
Expand Down Expand Up @@ -2736,10 +2736,7 @@ def setUpClass(cls):
tar = tarfile.open(tarname, mode='r', encoding="iso8859-1")
cls.control_dir = pathlib.Path(TEMPDIR) / "extractall_ctrl"
tar.errorlevel = 0
with ExitStack() as cm:
if cls.extraction_filter is None:
cm.enter_context(warnings.catch_warnings())
tar.extractall(cls.control_dir, filter=cls.extraction_filter)
tar.extractall(cls.control_dir, filter=cls.extraction_filter)
tar.close()
cls.control_paths = set(
p.relative_to(cls.control_dir)
Expand Down Expand Up @@ -3373,12 +3370,11 @@ def test_data_filter(self):
self.assertIs(filtered.name, tarinfo.name)
self.assertIs(filtered.type, tarinfo.type)

def test_default_filter_warns(self):
"""Ensure the default filter warns"""
def test_default_filter_warns_not(self):
"""Ensure the default filter does not warn (like in 3.12)"""
with ArchiveMaker() as arc:
arc.add('foo')
with support.check_warnings(
('Python 3.14', DeprecationWarning)):
with support.check_no_warnings(self):
with self.check_context(arc.open(), None):
self.expect_file('foo')

Expand Down