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Typeshed third party libraries should not be loaded if they don't actually exist in the environment, fixes #1620

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Dave Halter
2020-06-24 01:08:04 +02:00
parent 0d1a45ddc1
commit 6fcdc44f3e
3 changed files with 53 additions and 25 deletions
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33
test/test_inference/test_gradual/test_typeshed.py
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@@ -14,8 +14,8 @@ TYPESHED_PYTHON3 = os.path.join(typeshed.TYPESHED_PATH, 'stdlib', '3')
def test_get_typeshed_directories():
def get_dirs(version_info):
return {
d.replace(typeshed.TYPESHED_PATH, '').lstrip(os.path.sep)
for d in typeshed._get_typeshed_directories(version_info)
p.path.replace(typeshed.TYPESHED_PATH, '').lstrip(os.path.sep)
for p in typeshed._get_typeshed_directories(version_info)
}
def transform(set_):
@@ -35,11 +35,8 @@ def test_get_typeshed_directories():
def test_get_stub_files():
def get_map(version_info):
return typeshed._create_stub_map(version_info)
map_ = typeshed._create_stub_map(TYPESHED_PYTHON3)
assert map_['functools'] == os.path.join(TYPESHED_PYTHON3, 'functools.pyi')
map_ = typeshed._create_stub_map(typeshed.PathInfo(TYPESHED_PYTHON3, is_third_party=False))
assert map_['functools'].path == os.path.join(TYPESHED_PYTHON3, 'functools.pyi')
def test_function(Script, environment):
@@ -227,3 +224,25 @@ def test_goto_stubs_on_itself(Script, code, type_):
_assert_is_same(same_definition, definition)
_assert_is_same(same_definition, same_definition2)
def test_module_exists_only_as_stub(Script):
try:
import redis
except ImportError:
pass
else:
pytest.skip('redis is already installed, it should only exist as a stub for this test')
redis_path = os.path.join(typeshed.TYPESHED_PATH, 'third_party', '2and3', 'redis')
assert os.path.isdir(redis_path)
assert not Script('import redis').infer()
def test_django_exists_only_as_stub(Script):
try:
import django
except ImportError:
pass
else:
pytest.skip('django is already installed, it should only exist as a stub for this test')
assert not Script('import django').infer()