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470bd5990b
* Fix test_import: import machinery and errors - Emit IMPORT_FROM instead of LOAD_ATTR for `import a.b.c as m` - Add "partially initialized module" error for circular imports - Add "cannot access submodule" error for initializing submodules - Implement script shadowing detection with "consider renaming" hint - Detect user scripts shadowing stdlib/third-party modules - Compute original sys.path[0] from sys.argv[0] - Check sys.stdlib_module_names for stdlib detection - Respect safe_path setting - Implement _imp._fix_co_filename for code source_path rewriting - Add data parameter to _imp.get_frozen_object with marshal deser - Fix import_from: check __spec__.has_location before using origin - Set ImportError.path attribute on import failures - Fix import_star error messages for non-str __all__/__dict__ items - Always call builtins.__import__ in import_inner * Propagate __bool__ errors from fromlist in import Previously, try_to_bool errors were silently swallowed via .ok(), causing fromlist with broken __bool__ to default to false.
57 lines
2.2 KiB
Python
Vendored
57 lines
2.2 KiB
Python
Vendored
"""Basic test of the frozen module (source is in Python/frozen.c)."""
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# The Python/frozen.c source code contains a marshalled Python module
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# and therefore depends on the marshal format as well as the bytecode
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# format. If those formats have been changed then frozen.c needs to be
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# updated.
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#
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# The test_importlib also tests this module but because those tests
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# are much more complicated, it might be unclear why they are failing.
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# Invalid marshalled data in frozen.c could case the interpreter to
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# crash when __hello__ is imported.
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import importlib.machinery
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import sys
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import unittest
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from test.support import captured_stdout, import_helper
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class TestFrozen(unittest.TestCase):
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def test_frozen(self):
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name = '__hello__'
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if name in sys.modules:
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del sys.modules[name]
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with import_helper.frozen_modules():
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import __hello__
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with captured_stdout() as out:
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__hello__.main()
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self.assertEqual(out.getvalue(), 'Hello world!\n')
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def test_frozen_submodule_in_unfrozen_package(self):
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with import_helper.CleanImport('__phello__', '__phello__.spam'):
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with import_helper.frozen_modules(enabled=False):
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import __phello__
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with import_helper.frozen_modules(enabled=True):
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import __phello__.spam as spam
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self.assertIs(spam, __phello__.spam)
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self.assertIsNot(__phello__.__spec__.loader,
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importlib.machinery.FrozenImporter)
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self.assertIs(spam.__spec__.loader,
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importlib.machinery.FrozenImporter)
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def test_unfrozen_submodule_in_frozen_package(self):
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with import_helper.CleanImport('__phello__', '__phello__.spam'):
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with import_helper.frozen_modules(enabled=True):
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import __phello__
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with import_helper.frozen_modules(enabled=False):
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import __phello__.spam as spam
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self.assertIs(spam, __phello__.spam)
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self.assertIs(__phello__.__spec__.loader,
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importlib.machinery.FrozenImporter)
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self.assertIsNot(spam.__spec__.loader,
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importlib.machinery.FrozenImporter)
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if __name__ == '__main__':
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unittest.main()
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