8000 [3.8] gh-102950: Implement PEP 706 – Filter for tarfile.extractall (GH-102953) by encukou · Pull Request #104548 · python/cpython · GitHub
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[3.8] gh-102950: Implement PEP 706 – Filter for tarfile.extractall (GH-102953) #104548

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Merged
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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Downgrade to Python 3.6
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@encukou
encukou committed May 16, 2023
commit c737a47f8dd8fcb9b140430780273de4fcb48c56
3 changes: 2 additions & 1 deletion Lib/shutil.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1244,7 +1244,8 @@ def unpack_archive(filename, extract_dir=None, format=None, *, filter=None):
raise ReadError("Unknown archive format '{0}'".format(filename))

func = _UNPACK_FORMATS[format][1]
kwargs = dict(_UNPACK_FORMATS[format][2]) | filter_kwargs
kwargs = dict(_UNPACK_FORMATS[format][2])
kwargs.update(filter_kwargs)
func(filename, extract_dir, **kwargs)


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3 changes: 1 addition & 2 deletions Lib/test/test_shutil.py
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Expand Up @@ -31,7 +31,6 @@

from test import support
from test.support import TESTFN, FakePath
from test.support import warnings_helper

TESTFN2 = TESTFN + "2"
TESTFN_SRC = TESTFN + "_SRC"
Expand Down Expand Up @@ -1495,7 +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 warnings_helper.check_warnings(
with support.check_warnings(
('The default', RuntimeWarning)):
self.check_unpack_archive(format)

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12 changes: 5 additions & 7 deletions Lib/test/test_tarfile.py
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9A1C
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,6 @@

from test import support
from test.support import script_helper
from test.support import warnings_helper

# Check for our compression modules.
try:
Expand Down Expand Up @@ -2739,8 +2738,7 @@ def setUpClass(cls):
tar.errorlevel = 0
with ExitStack() as cm:
if cls.extraction_filter is None:
cm.enter_context(warnings.catch_warnings(
action="ignore", category=DeprecationWarning))
cm.enter_context(warnings.catch_warnings())
tar.extractall(cls.control_dir, filter=cls.extraction_filter)
tar.close()
cls.control_paths = set(
Expand Down Expand Up @@ -2870,8 +2868,8 @@ def test_list(self):
for attr_names in ({'mtime'}, {'mode'}, {'uid'}, {'gid'},
{'uname'}, {'gname'},
{'uid', 'uname'}, {'gid', 'gname'}):
with (self.subTest(attr_names=attr_names),
tarfile.open(tarname, encoding="iso8859-1") as tar):
with self.subTest(attr_names=attr_names), \
tarfile.open(tarname, encoding="iso8859-1") as tar:
tio_prev = io.TextIOWrapper(io.BytesIO(), 'ascii', newline='\n')
with support.swap_attr(sys, 'stdout', tio_prev):
tar.list()
Expand Down Expand Up @@ -3062,7 +3060,7 @@ def expect_file(self, name, type=None, symlink_to=None, mode=None):
if type is None and isinstance(name, str) and name.endswith('/'):
type = tarfile.DIRTYPE
if symlink_to is not None:
got = (self.destdir / name).readlink()
got = pathlib.Path(os.readlink(self.destdir / name))
expected = pathlib.Path(symlink_to)
# The symlink might be the same (textually) as what we expect,
# but some systems change the link to an equivalent path, so
Expand Down Expand Up @@ -3379,7 +3377,7 @@ def test_default_filter_warns(self):
"""Ensure the default filter warns"""
with ArchiveMaker() as arc:
arc.add('foo')
with warnings_helper.check_warnings(
with support.check_warnings(
('Python 3.14', DeprecationWarning)):
with self.check_context(arc.open(), None):
self.expect_file('foo')
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