How to use get_kernel method in autotest

Best Python code snippet using autotest_python

test_multikernelmanager.py

Source:test_multikernelmanager.py

...55        km.restart_kernel(kid, now=True)56        assert km.is_alive(kid)57        assert kid in km.list_kernel_ids()58        km.interrupt_kernel(kid)59        k = km.get_kernel(kid)60        assert isinstance(k, KernelManager)61        km.shutdown_kernel(kid, now=True)62        assert kid not in km, f"{kid} not in {km}"63    def _run_cinfo(self, km, transport, ip):64        kid = km.start_kernel(stdout=PIPE, stderr=PIPE)65        km.get_kernel(kid)66        cinfo = km.get_connection_info(kid)67        self.assertEqual(transport, cinfo["transport"])68        self.assertEqual(ip, cinfo["ip"])69        self.assertTrue("stdin_port" in cinfo)70        self.assertTrue("iopub_port" in cinfo)71        stream = km.connect_iopub(kid)72        stream.close()73        self.assertTrue("shell_port" in cinfo)74        stream = km.connect_shell(kid)75        stream.close()76        self.assertTrue("hb_port" in cinfo)77        stream = km.connect_hb(kid)78        stream.close()79        km.shutdown_kernel(kid, now=True)80    # static so picklable for multiprocessing on Windows81    @classmethod82    def test_tcp_lifecycle(cls):83        km = cls._get_tcp_km()84        cls._run_lifecycle(km)85    def test_tcp_lifecycle_with_kernel_id(self):86        km = self._get_tcp_km()87        self._run_lifecycle(km, test_kid=str(uuid.uuid4()))88    def test_shutdown_all(self):89        km = self._get_tcp_km()90        kid = km.start_kernel(stdout=PIPE, stderr=PIPE)91        self.assertIn(kid, km)92        km.shutdown_all()93        self.assertNotIn(kid, km)94        # shutdown again is okay, because we have no kernels95        km.shutdown_all()96    def test_tcp_cinfo(self):97        km = self._get_tcp_km()98        self._run_cinfo(km, "tcp", localhost())99    @skip_win32100    def test_ipc_lifecycle(self):101        km = self._get_ipc_km()102        self._run_lifecycle(km)103    @skip_win32104    def test_ipc_cinfo(self):105        km = self._get_ipc_km()106        self._run_cinfo(km, "ipc", "test")107    def test_start_sequence_tcp_kernels(self):108        """Ensure that a sequence of kernel startups doesn't break anything."""109        self._run_lifecycle(self._get_tcp_km())110        self._run_lifecycle(self._get_tcp_km())111        self._run_lifecycle(self._get_tcp_km())112    @skip_win32113    def test_start_sequence_ipc_kernels(self):114        """Ensure that a sequence of kernel startups doesn't break anything."""115        self._run_lifecycle(self._get_ipc_km())116        self._run_lifecycle(self._get_ipc_km())117        self._run_lifecycle(self._get_ipc_km())118    def tcp_lifecycle_with_loop(self):119        # Ensure each thread has an event loop120        asyncio.set_event_loop(asyncio.new_event_loop())121        self.test_tcp_lifecycle()122    def test_start_parallel_thread_kernels(self):123        self.test_tcp_lifecycle()124        with concurrent.futures.ThreadPoolExecutor(max_workers=2) as thread_executor:125            future1 = thread_executor.submit(self.tcp_lifecycle_with_loop)126            future2 = thread_executor.submit(self.tcp_lifecycle_with_loop)127            future1.result()128            future2.result()129    @pytest.mark.skipif(130        (sys.platform == "darwin") and (sys.version_info >= (3, 6)) and (sys.version_info < (3, 8)),131        reason='"Bad file descriptor" error',132    )133    def test_start_parallel_process_kernels(self):134        self.test_tcp_lifecycle()135        with concurrent.futures.ThreadPoolExecutor(max_workers=1) as thread_executor:136            future1 = thread_executor.submit(self.tcp_lifecycle_with_loop)137            with concurrent.futures.ProcessPoolExecutor(max_workers=1) as process_executor:138                # Windows tests needs this target to be picklable:139                future2 = process_executor.submit(self.test_tcp_lifecycle)140                future2.result()141            future1.result()142    def test_subclass_callables(self):143        km = self._get_tcp_km_sub()144        km.reset_counts()145        kid = km.start_kernel(stdout=PIPE, stderr=PIPE)146        assert km.call_count("start_kernel") == 1147        assert isinstance(km.get_kernel(kid), SyncKMSubclass)148        assert km.get_kernel(kid).call_count("start_kernel") == 1149        assert km.get_kernel(kid).call_count("_launch_kernel") == 1150        assert km.is_alive(kid)151        assert kid in km152        assert kid in km.list_kernel_ids()153        assert len(km) == 1, f"{len(km)} != {1}"154        km.get_kernel(kid).reset_counts()155        km.reset_counts()156        km.restart_kernel(kid, now=True)157        assert km.call_count("restart_kernel") == 1158        assert km.call_count("get_kernel") == 1159        assert km.get_kernel(kid).call_count("restart_kernel") == 1160        assert km.get_kernel(kid).call_count("shutdown_kernel") == 1161        assert km.get_kernel(kid).call_count("interrupt_kernel") == 1162        assert km.get_kernel(kid).call_count("_kill_kernel") == 1163        assert km.get_kernel(kid).call_count("cleanup_resources") == 1164        assert km.get_kernel(kid).call_count("start_kernel") == 1165        assert km.get_kernel(kid).call_count("_launch_kernel") == 1166        assert km.is_alive(kid)167        assert kid in km.list_kernel_ids()168        km.get_kernel(kid).reset_counts()169        km.reset_counts()170        km.interrupt_kernel(kid)171        assert km.call_count("interrupt_kernel") == 1172        assert km.call_count("get_kernel") == 1173        assert km.get_kernel(kid).call_count("interrupt_kernel") == 1174        km.get_kernel(kid).reset_counts()175        km.reset_counts()176        k = km.get_kernel(kid)177        assert isinstance(k, SyncKMSubclass)178        assert km.call_count("get_kernel") == 1179        km.get_kernel(kid).reset_counts()180        km.reset_counts()181        km.shutdown_all(now=True)182        assert km.call_count("shutdown_kernel") == 1183        assert km.call_count("remove_kernel") == 1184        assert km.call_count("request_shutdown") == 0185        assert km.call_count("finish_shutdown") == 0186        assert km.call_count("cleanup_resources") == 0187        assert kid not in km, f"{kid} not in {km}"188class TestAsyncKernelManager(AsyncTestCase):189    # static so picklable for multiprocessing on Windows190    @staticmethod191    def _get_tcp_km():192        c = Config()193        km = AsyncMultiKernelManager(config=c)194        return km195    @staticmethod196    def _get_tcp_km_sub():197        c = Config()198        km = AsyncMKMSubclass(config=c)199        return km200    # static so picklable for multiprocessing on Windows201    @staticmethod202    def _get_ipc_km():203        c = Config()204        c.KernelManager.transport = "ipc"205        c.KernelManager.ip = "test"206        km = AsyncMultiKernelManager(config=c)207        return km208    # static so picklable for multiprocessing on Windows209    @staticmethod210    async def _run_lifecycle(km, test_kid=None):211        if test_kid:212            kid = await km.start_kernel(stdout=PIPE, stderr=PIPE, kernel_id=test_kid)213            assert kid == test_kid214        else:215            kid = await km.start_kernel(stdout=PIPE, stderr=PIPE)216        assert await km.is_alive(kid)217        assert kid in km218        assert kid in km.list_kernel_ids()219        assert len(km) == 1, f"{len(km)} != {1}"220        await km.restart_kernel(kid, now=True)221        assert await km.is_alive(kid)222        assert kid in km.list_kernel_ids()223        await km.interrupt_kernel(kid)224        k = km.get_kernel(kid)225        assert isinstance(k, AsyncKernelManager)226        await km.shutdown_kernel(kid, now=True)227        assert kid not in km, f"{kid} not in {km}"228    async def _run_cinfo(self, km, transport, ip):229        kid = await km.start_kernel(stdout=PIPE, stderr=PIPE)230        km.get_kernel(kid)231        cinfo = km.get_connection_info(kid)232        self.assertEqual(transport, cinfo["transport"])233        self.assertEqual(ip, cinfo["ip"])234        self.assertTrue("stdin_port" in cinfo)235        self.assertTrue("iopub_port" in cinfo)236        stream = km.connect_iopub(kid)237        stream.close()238        self.assertTrue("shell_port" in cinfo)239        stream = km.connect_shell(kid)240        stream.close()241        self.assertTrue("hb_port" in cinfo)242        stream = km.connect_hb(kid)243        stream.close()244        await km.shutdown_kernel(kid, now=True)245        self.assertNotIn(kid, km)246    @gen_test247    async def test_tcp_lifecycle(self):248        await self.raw_tcp_lifecycle()249    @gen_test250    async def test_tcp_lifecycle_with_kernel_id(self):251        await self.raw_tcp_lifecycle(test_kid=str(uuid.uuid4()))252    @gen_test253    async def test_shutdown_all(self):254        km = self._get_tcp_km()255        kid = await km.start_kernel(stdout=PIPE, stderr=PIPE)256        self.assertIn(kid, km)257        await km.shutdown_all()258        self.assertNotIn(kid, km)259        # shutdown again is okay, because we have no kernels260        await km.shutdown_all()261    @gen_test(timeout=20)262    async def test_use_after_shutdown_all(self):263        km = self._get_tcp_km()264        kid = await km.start_kernel(stdout=PIPE, stderr=PIPE)265        self.assertIn(kid, km)266        await km.shutdown_all()267        self.assertNotIn(kid, km)268        # Start another kernel269        kid = await km.start_kernel(stdout=PIPE, stderr=PIPE)270        self.assertIn(kid, km)271        await km.shutdown_all()272        self.assertNotIn(kid, km)273        # shutdown again is okay, because we have no kernels274        await km.shutdown_all()275    @gen_test(timeout=20)276    async def test_shutdown_all_while_starting(self):277        km = self._get_tcp_km()278        kid_future = asyncio.ensure_future(km.start_kernel(stdout=PIPE, stderr=PIPE))279        # This is relying on the ordering of the asyncio queue, not sure if guaranteed or not:280        kid, _ = await asyncio.gather(kid_future, km.shutdown_all())281        self.assertNotIn(kid, km)282        # Start another kernel283        kid = await km.start_kernel(stdout=PIPE, stderr=PIPE)284        self.assertIn(kid, km)285        self.assertEqual(len(km), 1)286        await km.shutdown_all()287        self.assertNotIn(kid, km)288        # shutdown again is okay, because we have no kernels289        await km.shutdown_all()290    @gen_test291    async def test_tcp_cinfo(self):292        km = self._get_tcp_km()293        await self._run_cinfo(km, "tcp", localhost())294    @skip_win32295    @gen_test296    async def test_ipc_lifecycle(self):297        km = self._get_ipc_km()298        await self._run_lifecycle(km)299    @skip_win32300    @gen_test301    async def test_ipc_cinfo(self):302        km = self._get_ipc_km()303        await self._run_cinfo(km, "ipc", "test")304    @gen_test305    async def test_start_sequence_tcp_kernels(self):306        """Ensure that a sequence of kernel startups doesn't break anything."""307        await self._run_lifecycle(self._get_tcp_km())308        await self._run_lifecycle(self._get_tcp_km())309        await self._run_lifecycle(self._get_tcp_km())310    @skip_win32311    @gen_test312    async def test_start_sequence_ipc_kernels(self):313        """Ensure that a sequence of kernel startups doesn't break anything."""314        await self._run_lifecycle(self._get_ipc_km())315        await self._run_lifecycle(self._get_ipc_km())316        await self._run_lifecycle(self._get_ipc_km())317    def tcp_lifecycle_with_loop(self):318        # Ensure each thread has an event loop319        asyncio.set_event_loop(asyncio.new_event_loop())320        asyncio.get_event_loop().run_until_complete(self.raw_tcp_lifecycle())321    # static so picklable for multiprocessing on Windows322    @classmethod323    async def raw_tcp_lifecycle(cls, test_kid=None):324        # Since @gen_test creates an event loop, we need a raw form of325        # test_tcp_lifecycle that assumes the loop already exists.326        km = cls._get_tcp_km()327        await cls._run_lifecycle(km, test_kid=test_kid)328    # static so picklable for multiprocessing on Windows329    @classmethod330    def raw_tcp_lifecycle_sync(cls, test_kid=None):331        loop = asyncio.get_event_loop()332        if loop.is_running():333            # Forked MP, make new loop334            loop = asyncio.new_event_loop()335            asyncio.set_event_loop(loop)336        loop.run_until_complete(cls.raw_tcp_lifecycle(test_kid=test_kid))337    @gen_test338    async def test_start_parallel_thread_kernels(self):339        await self.raw_tcp_lifecycle()340        with concurrent.futures.ThreadPoolExecutor(max_workers=2) as thread_executor:341            future1 = thread_executor.submit(self.tcp_lifecycle_with_loop)342            future2 = thread_executor.submit(self.tcp_lifecycle_with_loop)343            future1.result()344            future2.result()345    @gen_test346    async def test_start_parallel_process_kernels(self):347        await self.raw_tcp_lifecycle()348        with concurrent.futures.ThreadPoolExecutor(max_workers=1) as thread_executor:349            future1 = thread_executor.submit(self.tcp_lifecycle_with_loop)350            with concurrent.futures.ProcessPoolExecutor(max_workers=1) as process_executor:351                # Windows tests needs this target to be picklable:352                future2 = process_executor.submit(self.raw_tcp_lifecycle_sync)353                future2.result()354            future1.result()355    @gen_test356    async def test_subclass_callables(self):357        mkm = self._get_tcp_km_sub()358        mkm.reset_counts()359        kid = await mkm.start_kernel(stdout=PIPE, stderr=PIPE)360        assert mkm.call_count("start_kernel") == 1361        assert isinstance(mkm.get_kernel(kid), AsyncKMSubclass)362        assert mkm.get_kernel(kid).call_count("start_kernel") == 1363        assert mkm.get_kernel(kid).call_count("_launch_kernel") == 1364        assert await mkm.is_alive(kid)365        assert kid in mkm366        assert kid in mkm.list_kernel_ids()367        assert len(mkm) == 1, f"{len(mkm)} != {1}"368        mkm.get_kernel(kid).reset_counts()369        mkm.reset_counts()370        await mkm.restart_kernel(kid, now=True)371        assert mkm.call_count("restart_kernel") == 1372        assert mkm.call_count("get_kernel") == 1373        assert mkm.get_kernel(kid).call_count("restart_kernel") == 1374        assert mkm.get_kernel(kid).call_count("shutdown_kernel") == 1375        assert mkm.get_kernel(kid).call_count("interrupt_kernel") == 1376        assert mkm.get_kernel(kid).call_count("_kill_kernel") == 1377        assert mkm.get_kernel(kid).call_count("cleanup_resources") == 1378        assert mkm.get_kernel(kid).call_count("start_kernel") == 1379        assert mkm.get_kernel(kid).call_count("_launch_kernel") == 1380        assert await mkm.is_alive(kid)381        assert kid in mkm.list_kernel_ids()382        mkm.get_kernel(kid).reset_counts()383        mkm.reset_counts()384        await mkm.interrupt_kernel(kid)385        assert mkm.call_count("interrupt_kernel") == 1386        assert mkm.call_count("get_kernel") == 1387        assert mkm.get_kernel(kid).call_count("interrupt_kernel") == 1388        mkm.get_kernel(kid).reset_counts()389        mkm.reset_counts()390        k = mkm.get_kernel(kid)391        assert isinstance(k, AsyncKMSubclass)392        assert mkm.call_count("get_kernel") == 1393        mkm.get_kernel(kid).reset_counts()394        mkm.reset_counts()395        await mkm.shutdown_all(now=True)396        assert mkm.call_count("shutdown_kernel") == 1397        assert mkm.call_count("remove_kernel") == 1398        assert mkm.call_count("request_shutdown") == 0399        assert mkm.call_count("finish_shutdown") == 0400        assert mkm.call_count("cleanup_resources") == 0...

test_kernels_v1.py

Source:test_kernels_v1.py

...25        # self.kernel = class_kernel(M=self.M).k # Linear26        # PPRBF Kernel27        # self.kernel = class_kernel(X=self.X, Ml=self.Ml).k2829        # self.kx, self.gkx1 = get_kernel(X=self.X, Ml=self.Ml, get_kx=True, get_gkx1=True)30        #31        self.kx, self.gkx1, self.gkx2, self.tr_hesskx11, self.hesskx11, self.hesskx12 = \32            get_kernel(X=self.X,33                       M=self.M,34                       get_kx=True,35                       get_gkx1=True,36                       get_gkx2=True,37                       get_tr_hesskx11=True,38                       get_hesskx11=True,39                       get_hesskx12=True)4041    def test_kx(self):42        for m, n in itertools.product(range(self.m), range(self.m)):43            assert np.allclose(self.kx[m, n], self.kernel(self.X[m], self.X[n]))4445    def test_gkx1(self):46        gkx1_num = nd.Jacobian(self.kernel)
...

Kernels.py

Source:Kernels.py

...10    11    @property12    def n(self):13        return self._n14    def get_kernel(self, Xval):15        pass16class Polynomial(Kernels):17    def __init__(self, X, Y, bw=0, deg=0):18        super().__init__(X,Y,bw,deg)19        self.Ktr = self.get_kernel(self._Xtr)20    21    def get_kernel(self, Xval):22        return np.power( 1 + np.dot(Xval, self._Xtr.T), self._deg)23    24class Linear(Kernels):25    def __init__(self, X, Y, bw=0, deg=0):26        super().__init__(X,Y,bw,deg)27        self.Ktr = self.get_kernel(self._Xtr)28        29    def get_kernel(self, Xval):30        return np.dot(Xval, self._Xtr.T)31    32class RBF(Kernels):33    def __init__(self, X, Y, bw=0, deg=2): #use different default degree value for RBF kernel, it means degree of norm, usually set to 2.34        super().__init__(X,Y,bw,deg)35        self.Ktr = self.get_kernel(self._Xtr)36    37    def get_kernel(self, Xval):38        K = []39        for x in Xval:40            row = np.exp( -np.power(np.linalg.norm(x - self._Xtr, 2, axis=-1), self._deg) / self._bw )41            row = np.atleast_2d(row)42            K.append(row)43        Kpred = np.concatenate(K)44        return Kpred45    46    47    48    49    50    51    ...

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