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How to use module_from_path method in prospector

Best Python code snippet using prospector_python

experimental_envs.py

Source:experimental_envs.py

...5from costaware.experimental.util import module_from_path6# Obtain the mountain_car module so we can subclass MountainCarEnv7mount_car_file = deepcopy(*gym.envs.__path__) + '/classic_control/mountain_car.py'8mountain_car_path = os.path.abspath(mount_car_file)9MountainCarEnv = module_from_path('mountain_car', mountain_car_path).MountainCarEnv10acrobot_file = deepcopy(*gym.envs.__path__) + '/classic_control/acrobot.py'11acrobot_path = os.path.abspath(acrobot_file)12AcrobotEnv = module_from_path('acrobot', acrobot_path).AcrobotEnv13pendulum_file = deepcopy(*gym.envs.__path__) + '/classic_control/pendulum.py'14pendulum_path = os.path.abspath(pendulum_file)15PendulumEnv = module_from_path('pendulum', pendulum_path).PendulumEnv16cartpole_file = deepcopy(*gym.envs.__path__) + '/classic_control/cartpole.py'17cartpole_path = os.path.abspath(cartpole_file)18CartPoleEnv = module_from_path('cartpole', cartpole_path).CartPoleEnv19class MountainCarCostAwareEnv(MountainCarEnv):20    """21    Extension of the OpenAI MountainCarEnv to include a cost as well as22    a reward. Used to test RL algorithms that maximize the ratio of long-run23    average reward over long-run average cost.24    User can pass in a cost function that takes the current state as input25    and outputs a corresponding cost. Default cost function is 1.0, reducing26    to the reward-only case.27    """28    def __init__(self, goal_velocity=0, cost_fn=lambda x: 1.0):29        MountainCarEnv.__init__(self, goal_velocity)30        self.cost_fn = cost_fn31    def step(self, action):32        state, reward, done, d = MountainCarEnv.step(self, action)...

test_modules.py

Source:test_modules.py

...3# You can obtain one at http://mozilla.org/MPL/2.0/.4import unittest5from libmozdata import modules6class ModulesTest(unittest.TestCase):7    def test_module_from_path(self):8        self.assertEqual(9            modules.module_from_path("xpcom/threads/nsEnvironment.cpp")["name"], "XPCOM"10        )11        self.assertEqual(modules.module_from_path("xpcom/strinFile")["name"], "XPCOM")12        self.assertEqual(13            modules.module_from_path("xpcom/tests/component/TestComponent.cpp")["name"],14            "XPCOM",15        )16        self.assertEqual(17            modules.module_from_path("xpcom/base/nsCycleCollector.h")["name"],18            "Cycle Collector",19        )20        self.assertEqual(21            modules.module_from_path("xpcom/string/nsString.cpp")["name"], "String"22        )23        self.assertEqual(modules.module_from_path("xpcom/string/")["name"], "String")24        self.assertEqual(modules.module_from_path("xpcom/string")["name"], "String")25        self.assertEqual(26            modules.module_from_path("tools/cvs2hg-import.py")["name"], "Build Config"27        )28        self.assertIsNone(modules.module_from_path("doesntexist"))29        # Test heuristics30        self.assertEqual(31            modules.module_from_path("old-configure.in")["name"], "Build Config"32        )33        self.assertEqual(34            modules.module_from_path("python/mach/mach/dispatcher.py")["name"],35            "Build Config",36        )37        self.assertEqual(38            modules.module_from_path("js/public/GCPolicyAPI.h")["name"], "JavaScript"39        )40        self.assertEqual(41            modules.module_from_path("security/certverifier/CertVerifier.cpp")["name"],42            "security",43        )44        self.assertEqual(45            modules.module_from_path("security/pkix/lib/pkixnames.cpp")["name"],46            "security",47        )48        self.assertEqual(49            modules.module_from_path("security/manager/")["name"],50            "Security - Mozilla PSM Glue",51        )52        self.assertEqual(53            modules.module_from_path("tools/profiler/core/platform.h")["name"],54            "Code Analysis and Debugging Tools",55        )56        self.assertEqual(57            modules.module_from_path("tools/update-packaging/")["name"],58            "Build and Release Tools",59        )60    def test_module_info(self):61        self.assertEqual(modules.module_info("XPCOM")["name"], "XPCOM")62        self.assertEqual(modules.module_info("xpcom")["name"], "XPCOM")63        self.assertIsNone(modules.module_info("DoesntExist"))64if __name__ == "__main__":...

test_module.py

Source:test_module.py

...11sample_module = TEST_CONFIG_DIR / 'layers' / 'Group' / 'Subgroup' / 'examples.py'12sample_module_w_error = TEST_DATA_DIR / 'sample_module_zerodiv.py'13def test_module_from_path_nofile_raises():14    with pytest.raises(FileNotFoundError):15        module_from_path(TEST_DATA_DIR / 'foo.py')16def test_module_from_path_error_raises():17    with pytest.raises(ZeroDivisionError):18        module_from_path(sample_module_w_error)19def test_load_objects_from_paths_by_class():20    objs = load_objects_from_paths_by_class(21        [sample_module],22        target_class=Layer,23    )24    for obj in objs:...

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