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Closes issue #15111: Calling __import__ with a module specified in

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fromlist which causes its own ImportError (e.g. the module tries to
import a non-existent module) should have that exception propagate.
This commit is contained in:
Brett Cannon 2012-10-10 19:03:46 -04:00
parent 3fa8c59024
commit a6ce4fd426
4 changed files with 498 additions and 477 deletions
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15
Lib/test/test_importlib/import_/test_fromlist.py
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@ -52,7 +52,7 @@ class HandlingFromlist(unittest.TestCase):
module = import_util.import_('module', fromlist=['attr'])
self.assertEqual(module.__name__, 'module')
def test_unexistent_object(self):
def test_nonexistent_object(self):
# [bad object]
with util.mock_modules('module') as importer:
with util.import_state(meta_path=[importer]):
@ -69,6 +69,19 @@ class HandlingFromlist(unittest.TestCase):
self.assertTrue(hasattr(module, 'module'))
self.assertEqual(module.module.__name__, 'pkg.module')
def test_module_from_package_triggers_ImportError(self):
# If a submodule causes an ImportError because it tries to import
# a module which doesn't exist, that should let the ImportError
# propagate.
def module_code():
import i_do_not_exist
with util.mock_modules('pkg.__init__', 'pkg.mod',
module_code={'pkg.mod': module_code}) as importer:
with util.import_state(meta_path=[importer]):
with self.assertRaises(ImportError) as exc:
import_util.import_('pkg', fromlist=['mod'])
self.assertEquals('i_do_not_exist', exc.exception.name)
def test_empty_string(self):
with util.mock_modules('pkg.__init__', 'pkg.mod') as importer:
with util.import_state(meta_path=[importer]):