8000 GH-102700: allow built-in modules to be submodules by brettcannon · Pull Request #103162 · python/cpython · GitHub
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GH-102700: allow built-in modules to be submodules #103162

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Merged
merged 6 commits into from
Apr 6, 2023
Merged

GH-102700: allow built-in modules to be submodules #103162

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84c590c
GH-102700: allow built-in modules to be submodules
brettcannon Apr 1, 2023
197422b
Add a news entry
brettcannon Apr 1, 2023
5d5b934
Revert changes made by Black
brettcannon Apr 4, 2023
4e7a034
Merge branch 'main' into builtin-submodules
brettcannon Apr 4, 2023
7bb418f
Update news entry to be more descriptive
brettcannon Apr 6, 2023
f0a4342
Merge branch 'python:main' into builtin-submodules
brettcannon Apr 6, 2023
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Revert changes made by Black
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@brettcannon
brettcannon committed Apr 4, 2023
commit 5d5b934975bd6cc767d113b819252a36068cff0e
34 changes: 16 additions & 18 deletions Lib/test/test_importlib/builtin/test_finder.py
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
from test.test_importlib import abc, util

machinery = util.import_importlib("importlib.machinery")
machinery = util.import_importlib('importlib.machinery')

import sys
import unittest
import warnings


@unittest.skipIf(util.BUILTINS.good_name is None, "no reasonable builtin module")
@unittest.skipIf(util.BUILTINS.good_name is None, 'no reasonable builtin module')
class FindSpecTests(abc.FinderTests):

"""Test find_spec() for built-in modules."""
Expand All @@ -17,7 +17,7 @@ def test_module(self):
with util.uncache(util.BUILTINS.good_name):
found = self.machinery.BuiltinImporter.find_spec(util.BUILTINS.good_name)
self.assertTrue(found)
self.assertEqual(found.origin, "built-in")
self.assertEqual(found.origin, 'built-in')

# Built-in modules cannot be a package.
test_package = None
Expand All @@ -32,18 +32,18 @@ def test_module(self):
test_package_over_module = None

def test_failure(self):
name = "importlib"
name = 'importlib'
assert name not in sys.builtin_module_names
spec = self.machinery.BuiltinImporter.find_spec(name)
self.assertIsNone(spec)


(Frozen_FindSpecTests, Source_FindSpecTests) = util.test_both(
FindSpecTests, machinery=machinery
)
(Frozen_FindSpecTests,
Source_FindSpecTests
) = util.test_both(FindSpecTests, machinery=machinery)


@unittest.skipIf(util.BUILTINS.good_name is None, "no reasonable builtin module")
@unittest.skipIf(util.BUILTINS.good_name is None, 'no reasonable builtin module')
class FinderTests(abc.FinderTests):

"""Test find_module() for built-in modules."""
Expand All @@ -53,11 +53,9 @@ def test_module(self):
with util.uncache(util.BUILTINS.good_name):
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
found = self.machinery.BuiltinImporter.find_module(
util.BUILTINS.good_name
)
found = self.machinery.BuiltinImporter.find_module(util.BUILTINS.good_name)
self.assertTrue(found)
self.assertTrue(hasattr(found, "load_module"))
self.assertTrue(hasattr(found, 'load_module'))

# Built-in modules cannot be a package.
test_package = test_package_in_package = test_package_over_module = None
Expand All @@ -66,17 +64,17 @@ def test_module(self):
test_module_in_package = None

def test_failure(self):
assert "importlib" not in sys.builtin_module_names
assert 'importlib' not in sys.builtin_module_names
with warnings.catch_warnings():
warnings.simplefilter("ignore", DeprecationWarning)
loader = self.machinery.BuiltinImporter.find_module("importlib")
loader = self.machinery.BuiltinImporter.find_module('importlib')
self.assertIsNone(loader)


(Frozen_FinderTests, Source_FinderTests) = util.test_both(
FinderTests, machinery=machinery
)
(Frozen_FinderTests,
Source_FinderTests
) = util.test_both(FinderTests, machinery=machinery)


if __name__ == "__main__":
if __name__ == '__main__':
unittest.main()
0