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gh-114099 - Add iOS framework loading machinery. (GH-116454)

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Co-authored-by: Malcolm Smith <smith@chaquo.com>
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
This commit is contained in:
Russell Keith-Magee 2024-03-19 20:36:19 +08:00 • committed by GitHub
parent a557478987
commit 408e127159
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22 changed files with 302 additions and 62 deletions
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56
Lib/test/test_importlib/extension/test_loader.py
View file

@ -1,3 +1,4 @@
from test.support import is_apple_mobile
from test.test_importlib import abc, util
machinery = util.import_importlib('importlib.machinery')
@ -23,8 +24,15 @@ class LoaderTests:
raise unittest.SkipTest(
f"{util.EXTENSIONS.name} is a builtin module"
)
self.loader = self.machinery.ExtensionFileLoader(util.EXTENSIONS.name,
util.EXTENSIONS.file_path)
# Apple extensions must be distributed as frameworks. This requires
# a specialist loader.
if is_apple_mobile:
self.LoaderClass = self.machinery.AppleFrameworkLoader
else:
self.LoaderClass = self.machinery.ExtensionFileLoader
self.loader = self.LoaderClass(util.EXTENSIONS.name, util.EXTENSIONS.file_path)
def load_module(self, fullname):
with warnings.catch_warnings():
@ -32,13 +40,11 @@ class LoaderTests:
return self.loader.load_module(fullname)
def test_equality(self):
other = self.machinery.ExtensionFileLoader(util.EXTENSIONS.name,
util.EXTENSIONS.file_path)
other = self.LoaderClass(util.EXTENSIONS.name, util.EXTENSIONS.file_path)
self.assertEqual(self.loader, other)
def test_inequality(self):
other = self.machinery.ExtensionFileLoader('_' + util.EXTENSIONS.name,
util.EXTENSIONS.file_path)
other = self.LoaderClass('_' + util.EXTENSIONS.name, util.EXTENSIONS.file_path)
self.assertNotEqual(self.loader, other)
def test_load_module_API(self):
@ -58,8 +64,7 @@ class LoaderTests:
('__package__', '')]:
self.assertEqual(getattr(module, attr), value)
self.assertIn(util.EXTENSIONS.name, sys.modules)
self.assertIsInstance(module.__loader__,
self.machinery.ExtensionFileLoader)
self.assertIsInstance(module.__loader__, self.LoaderClass)
# No extension module as __init__ available for testing.
test_package = None
@ -86,7 +91,7 @@ class LoaderTests:
self.assertFalse(self.loader.is_package(util.EXTENSIONS.name))
for suffix in self.machinery.EXTENSION_SUFFIXES:
path = os.path.join('some', 'path', 'pkg', '__init__' + suffix)
loader = self.machinery.ExtensionFileLoader('pkg', path)
loader = self.LoaderClass('pkg', path)
self.assertTrue(loader.is_package('pkg'))
@ -101,6 +106,14 @@ class SinglePhaseExtensionModuleTests(abc.LoaderTests):
def setUp(self):
if not self.machinery.EXTENSION_SUFFIXES or not util.EXTENSIONS:
raise unittest.SkipTest("Requires dynamic loading support.")
# Apple extensions must be distributed as frameworks. This requires
# a specialist loader.
if is_apple_mobile:
self.LoaderClass = self.machinery.AppleFrameworkLoader
else:
self.LoaderClass = self.machinery.ExtensionFileLoader
self.name = '_testsinglephase'
if self.name in sys.builtin_module_names:
raise unittest.SkipTest(
@ -109,8 +122,8 @@ class SinglePhaseExtensionModuleTests(abc.LoaderTests):
finder = self.machinery.FileFinder(None)
self.spec = importlib.util.find_spec(self.name)
assert self.spec
self.loader = self.machinery.ExtensionFileLoader(
self.name, self.spec.origin)
self.loader = self.LoaderClass(self.name, self.spec.origin)
def load_module(self):
with warnings.catch_warnings():
@ -120,7 +133,7 @@ class SinglePhaseExtensionModuleTests(abc.LoaderTests):
def load_module_by_name(self, fullname):
# Load a module from the test extension by name.
origin = self.spec.origin
loader = self.machinery.ExtensionFileLoader(fullname, origin)
loader = self.LoaderClass(fullname, origin)
spec = importlib.util.spec_from_loader(fullname, loader)
module = importlib.util.module_from_spec(spec)
loader.exec_module(module)
@ -137,8 +150,7 @@ class SinglePhaseExtensionModuleTests(abc.LoaderTests):
with self.assertRaises(AttributeError):
module.__path__
self.assertIs(module, sys.modules[self.name])
self.assertIsInstance(module.__loader__,
self.machinery.ExtensionFileLoader)
self.assertIsInstance(module.__loader__, self.LoaderClass)
# No extension module as __init__ available for testing.
test_package = None
@ -182,6 +194,14 @@ class MultiPhaseExtensionModuleTests(abc.LoaderTests):
def setUp(self):
if not self.machinery.EXTENSION_SUFFIXES or not util.EXTENSIONS:
raise unittest.SkipTest("Requires dynamic loading support.")
# Apple extensions must be distributed as frameworks. This requires
# a specialist loader.
if is_apple_mobile:
self.LoaderClass = self.machinery.AppleFrameworkLoader
else:
self.LoaderClass = self.machinery.ExtensionFileLoader
self.name = '_testmultiphase'
if self.name in sys.builtin_module_names:
raise unittest.SkipTest(
@ -190,8 +210,7 @@ class MultiPhaseExtensionModuleTests(abc.LoaderTests):
finder = self.machinery.FileFinder(None)
self.spec = importlib.util.find_spec(self.name)
assert self.spec
self.loader = self.machinery.ExtensionFileLoader(
self.name, self.spec.origin)
self.loader = self.LoaderClass(self.name, self.spec.origin)
def load_module(self):
# Load the module from the test extension.
@ -202,7 +221,7 @@ class MultiPhaseExtensionModuleTests(abc.LoaderTests):
def load_module_by_name(self, fullname):
# Load a module from the test extension by name.
origin = self.spec.origin
loader = self.machinery.ExtensionFileLoader(fullname, origin)
loader = self.LoaderClass(fullname, origin)
spec = importlib.util.spec_from_loader(fullname, loader)
module = importlib.util.module_from_spec(spec)
loader.exec_module(module)
@ -228,8 +247,7 @@ class MultiPhaseExtensionModuleTests(abc.LoaderTests):
with self.assertRaises(AttributeError):
module.__path__
self.assertIs(module, sys.modules[self.name])
self.assertIsInstance(module.__loader__,
self.machinery.ExtensionFileLoader)
self.assertIsInstance(module.__loader__, self.LoaderClass)
def test_functionality(self):
# Test basic functionality of stuff defined in an extension module.