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gh-135801: Improve filtering by module in warn_explicit() without module argument (GH-140151)

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* Try to match the module name pattern with module names constructed
  starting from different parent directories of the filename.
  E.g., for "/path/to/package/module" try to match with
  "path.to.package.module", "to.package.module", "package.module" and
  "module".
* Ignore trailing "/__init__.py".
* Ignore trailing ".pyw" on Windows.
* Keep matching with the full filename (without optional ".py" extension)
  for compatibility.
* Only ignore the case of the ".py" extension on Windows.
This commit is contained in:
Serhiy Storchaka 2025-10-30 15:55:39 +02:00 • committed by GitHub
parent efc37ba49e
commit 6826166280
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13 changed files with 243 additions and 73 deletions
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13
Lib/test/test_cmd_line_script.py
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@ -810,6 +810,19 @@ def test_script_as_dev_fd(self):
out, err = p.communicate()
self.assertEqual(out, b"12345678912345678912345\n")
def test_filter_syntax_warnings_by_module(self):
filename = support.findfile('test_import/data/syntax_warnings.py')
rc, out, err = assert_python_ok(
'-Werror',
'-Walways:::test.test_import.data.syntax_warnings',
filename)
self.assertEqual(err.count(b': SyntaxWarning: '), 6)
rc, out, err = assert_python_ok(
'-Werror',
'-Walways:::syntax_warnings',
filename)
self.assertEqual(err.count(b': SyntaxWarning: '), 6)
def tearDownModule():