Remove the DeprecationWarning

Author: encukou

Lib/tarfile.py

@@ -2174,11 +2174,6 @@ 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(

Lib/test/test_shutil.py

@@ -1269,8 +1269,7 @@ 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):

Lib/test/test_tarfile.py

@@ -2,7 +2,7 @@
 import os
 import io
 from hashlib import md5
-from contextlib import contextmanager, ExitStack
+from contextlib import contextmanager
 from random import Random
 import pathlib
 import shutil
@@ -2708,10 +2708,7 @@ 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)
@@ -3345,12 +3342,11 @@ 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')