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GH-88597: Added command line interface to UUID module. (#99463)

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The `uuid` module now supports command line usage.

```python
❯ ./python.exe -m uuid             
5f2d57b1-90e8-417c-ba5d-69b9b6f74289

❯ ./python.exe -m uuid -h          
usage: uuid.py [-h] [-u {uuid1,uuid3,uuid4,uuid5}] [-ns NAMESPACE] [-n NAME]
...
```
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achhina 2023-01-22 01:59:31 -05:00 • committed by GitHub
parent c1c5882359
commit 95f5b05a8c
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58
Lib/test/test_uuid.py
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@ -675,6 +675,64 @@ class BaseTestUUID:
weak = weakref.ref(strong)
self.assertIs(strong, weak())
@mock.patch.object(sys, "argv", ["", "-u", "uuid3", "-ns", "NAMESPACE_DNS"])
def test_cli_namespace_required_for_uuid3(self):
with self.assertRaises(SystemExit) as cm:
self.uuid.main()
# Check that exception code is the same as argparse.ArgumentParser.error
self.assertEqual(cm.exception.code, 2)
@mock.patch.object(sys, "argv", ["", "-u", "uuid3", "-n", "python.org"])
def test_cli_name_required_for_uuid3(self):
with self.assertRaises(SystemExit) as cm:
self.uuid.main()
# Check that exception code is the same as argparse.ArgumentParser.error
self.assertEqual(cm.exception.code, 2)
@mock.patch.object(sys, "argv", [""])
def test_cli_uuid4_outputted_with_no_args(self):
stdout = io.StringIO()
with contextlib.redirect_stdout(stdout):
self.uuid.main()
output = stdout.getvalue().strip()
uuid_output = self.uuid.UUID(output)
# Output uuid should be in the format of uuid4
self.assertEqual(output, str(uuid_output))
self.assertEqual(uuid_output.version, 4)
@mock.patch.object(sys, "argv",
["", "-u", "uuid3", "-ns", "NAMESPACE_DNS", "-n", "python.org"])
def test_cli_uuid3_ouputted_with_valid_namespace_and_name(self):
stdout = io.StringIO()
with contextlib.redirect_stdout(stdout):
self.uuid.main()
output = stdout.getvalue().strip()
uuid_output = self.uuid.UUID(output)
# Output should be in the form of uuid5
self.assertEqual(output, str(uuid_output))
self.assertEqual(uuid_output.version, 3)
@mock.patch.object(sys, "argv",
["", "-u", "uuid5", "-ns", "NAMESPACE_DNS", "-n", "python.org"])
def test_cli_uuid5_ouputted_with_valid_namespace_and_name(self):
stdout = io.StringIO()
with contextlib.redirect_stdout(stdout):
self.uuid.main()
output = stdout.getvalue().strip()
uuid_output = self.uuid.UUID(output)
# Output should be in the form of uuid5
self.assertEqual(output, str(uuid_output))
self.assertEqual(uuid_output.version, 5)
class TestUUIDWithoutExtModule(BaseTestUUID, unittest.TestCase):
uuid = py_uuid