def setup_backends(audio):
backends = []
for backend_class_name in settings.BACKENDS:
backend_class = importing.get_class(backend_class_name)
backend = backend_class.start(audio=audio).proxy()
backends.append(backend)
return backends
def stop_frontends():
for frontend_class_name in settings.FRONTENDS:
try:
frontend_class = importing.get_class(frontend_class_name)
process.stop_actors_by_class(frontend_class)
except exceptions.OptionalDependencyError:
pass
def setup_frontends(core):
for frontend_class_name in settings.FRONTENDS:
try:
importing.get_class(frontend_class_name).start(core=core)
except exceptions.OptionalDependencyError as ex:
logger.info('Disabled: %s (%s)', frontend_class_name, ex)
def stop_backends():
for backend_class_name in settings.BACKENDS:
process.stop_actors_by_class(importing.get_class(backend_class_name))
def test_loading_module_that_does_not_exist(self):
with self.assertRaises(ImportError):
importing.get_class('foo.bar.Baz')
def test_loading_existing_class(self):
cls = importing.get_class('unittest.TestCase')
self.assertEqual(cls.__name__, 'TestCase')
def test_import_error_message_contains_complete_class_path(self):
try:
importing.get_class('foo.bar.Baz')
except ImportError as e:
self.assertIn('foo.bar.Baz', str(e))
def test_loading_incorrect_class_path(self):
with self.assertRaises(ImportError):
importing.get_class('foobarbaz')
def test_loading_class_that_does_not_exist(self):
with self.assertRaises(ImportError):
importing.get_class('unittest.FooBarBaz')