def test_continue_from_checkpoint(self):
def on_node(n1, n2):
self.assertTrue(np.array_equal(n1.numpy(), n2.numpy()))
model = SimpleModel().train()
dp = DataProcessor(model=model)
with self.assertRaises(Model.ModelException):
dp.save_state()
try:
fsm = FileStructManager(self.base_dir, is_continue=False)
dp.set_checkpoints_manager(CheckpointsManager(fsm))
dp.save_state()
except:
self.fail('Fail to DataProcessor load when CheckpointsManager was defined')
del dp
model_new = SimpleModel().train()
dp = DataProcessor(model=model_new)
with self.assertRaises(Model.ModelException):
dp.load()
fsm = FileStructManager(base_dir=self.base_dir, is_continue=True)
dp.set_checkpoints_manager(CheckpointsManager(fsm))
try:
fsm = FileStructManager(self.base_dir, is_continue=True)
dp.set_checkpoints_manager(CheckpointsManager(fsm))
dp.load()
except:
self.fail('Fail to DataProcessor load when CheckpointsManager was defined')
compare_two_models(self, model, model_new)
def test_creation(self):
if os.path.exists(self.base_dir):
shutil.rmtree(self.checkpoints_dir, ignore_errors=True)
try:
FileStructManager(base_dir=self.base_dir, is_continue=False)
except FileStructManager.FSMException as err:
self.fail(
"Raise error when base directory exists: [{}]".format(err))
self.assertFalse(os.path.exists(self.base_dir))
try:
FileStructManager(base_dir=self.base_dir, is_continue=False)
except FileStructManager.FSMException as err:
self.fail("Raise error when base directory exists but empty: [{}]".
format(err))
os.makedirs(os.path.join(self.base_dir, 'new_dir'))
try:
FileStructManager(base_dir=self.base_dir, is_continue=False)
except:
self.fail(
"Error initialize when exists non-registered folders in base directory"
)
shutil.rmtree(self.base_dir, ignore_errors=True)
def test_pack(self):
fsm = FileStructManager(base_dir=self.base_dir, is_continue=False)
cm = CheckpointsManager(fsm)
with self.assertRaises(CheckpointsManager.SMException):
cm.pack()
os.mkdir(cm.weights_file())
os.mkdir(cm.optimizer_state_file())
with self.assertRaises(CheckpointsManager.SMException):
cm.pack()
shutil.rmtree(cm.weights_file())
shutil.rmtree(cm.optimizer_state_file())
f = open(cm.weights_file(), 'w')
f.close()
f = open(cm.optimizer_state_file(), 'w')
f.close()
f = open(cm.trainer_file(), 'w')
f.close()
try:
cm.pack()
except Exception as err:
self.fail('Exception on packing files: [{}]'.format(err))
for f in [cm.weights_file(), cm.optimizer_state_file()]:
if os.path.exists(f) and os.path.isfile(f):
self.fail("File '{}' doesn't remove after pack".format(f))
result = os.path.join(
fsm.get_path(cm, check=False, create_if_non_exists=False),
'last_checkpoint.zip')
self.assertTrue(os.path.exists(result) and os.path.isfile(result))
f = open(cm.weights_file(), 'w')
f.close()
f = open(cm.optimizer_state_file(), 'w')
f.close()
f = open(cm.trainer_file(), 'w')
f.close()
try:
cm.pack()
result = os.path.join(
fsm.get_path(cm, check=False, create_if_non_exists=False),
'last_checkpoint.zip.old')
self.assertTrue(os.path.exists(result) and os.path.isfile(result))
except Exception as err:
self.fail('Fail to pack with existing previous state file')
def test_initialisation(self):
fsm = FileStructManager(base_dir=self.base_dir, is_continue=False)
try:
cm = CheckpointsManager(fsm)
except Exception as err:
self.fail("Fail init CheckpointsManager; err: ['{}']".format(err))
with self.assertRaises(FileStructManager.FSMException):
CheckpointsManager(fsm)
os.mkdir(os.path.join(fsm.get_path(cm), 'test_dir'))
with self.assertRaises(FileStructManager.FSMException):
CheckpointsManager(fsm)
def test_continue_from_checkpoint(self):
def on_node(n1, n2):
self.assertTrue(np.array_equal(n1.numpy(), n2.numpy()))
model = SimpleModel().train()
loss = SimpleLoss()
for optim in [
torch.optim.SGD(model.parameters(), lr=0.1),
torch.optim.Adam(model.parameters(), lr=0.1)
]:
train_config = TrainConfig([], loss, optim)
dp_before = TrainDataProcessor(model=model,
train_config=train_config)
before_state_dict = model.state_dict().copy()
dp_before.update_lr(0.023)
with self.assertRaises(Model.ModelException):
dp_before.save_state()
try:
fsm = FileStructManager(base_dir=self.base_dir,
is_continue=False)
dp_before.set_checkpoints_manager(CheckpointsManager(fsm))
dp_before.save_state()
except:
self.fail(
"Exception on saving state when 'CheckpointsManager' specified"
)
fsm = FileStructManager(base_dir=self.base_dir, is_continue=True)
dp_after = TrainDataProcessor(model=model,
train_config=train_config)
with self.assertRaises(Model.ModelException):
dp_after.load()
try:
cm = CheckpointsManager(fsm)
dp_after.set_checkpoints_manager(cm)
dp_after.load()
except:
self.fail('DataProcessor initialisation raises exception')
after_state_dict = model.state_dict().copy()
dict_pair_recursive_bypass(before_state_dict, after_state_dict,
on_node)
self.assertEqual(dp_before.get_lr(), dp_after.get_lr())
shutil.rmtree(self.base_dir)
def test_unpack(self):
fsm = FileStructManager(base_dir=self.base_dir, is_continue=False)
cm = CheckpointsManager(fsm)
f = open(cm.weights_file(), 'w')
f.write('1')
f.close()
f = open(cm.optimizer_state_file(), 'w')
f.write('2')
f = open(cm.trainer_file(), 'w')
f.write('3')
f.close()
cm.pack()
try:
cm.unpack()
except Exception as err:
self.fail('Exception on unpacking')
for i, f in enumerate(
[cm.weights_file(),
cm.optimizer_state_file(),
cm.trainer_file()]):
if not (os.path.exists(f) and os.path.isfile(f)):
self.fail("File '{}' doesn't remove after pack".format(f))
with open(f, 'r') as file:
if file.read() != str(i + 1):
self.fail("File content corrupted")
def test_base_execution(self):
fsm = FileStructManager(base_dir='data', is_continue=False)
expected_out = os.path.join('data', 'monitors', 'metrics_log',
'metrics_log.json')
try:
with LogMonitor(fsm) as m:
self.assertEqual(m._file, expected_out)
except:
self.fail('Fail initialisation')
self.assertTrue(
os.path.exists(expected_out) and os.path.isfile(expected_out))
def test_clear_files(self):
fsm = FileStructManager(base_dir=self.base_dir, is_continue=False)
cm = CheckpointsManager(fsm)
f = open(cm.weights_file(), 'w')
f.close()
f = open(cm.optimizer_state_file(), 'w')
f.close()
cm.clear_files()
for f in [cm.weights_file(), cm.optimizer_state_file()]:
if os.path.exists(f) and os.path.isfile(f):
self.fail("File '{}' doesn't remove after pack".format(f))
def continue_training():
########################################################
# Create needed parameters again
########################################################
model = resnet18(classes_num=1, in_channels=3, pretrained=True)
train_config = TrainConfig([train_stage, val_stage],
torch.nn.BCEWithLogitsLoss(),
torch.optim.Adam(model.parameters(), lr=1e-4))
########################################################
# If FileStructManager creates again - just 'set is_continue' parameter to True
########################################################
file_struct_manager = FileStructManager(base_dir='data', is_continue=True)
trainer = Trainer(model, train_config, file_struct_manager,
torch.device('cuda:0')).set_epoch_num(10)
tensorboard = TensorboardMonitor(file_struct_manager,
is_continue=False,
network_name='PortraitSegmentation')
log = LogMonitor(file_struct_manager).write_final_metrics()
trainer.monitor_hub.add_monitor(tensorboard).add_monitor(log)
trainer.enable_best_states_saving(
lambda: np.mean(train_stage.get_losses()))
trainer.enable_lr_decaying(
coeff=0.5,
patience=10,
target_val_clbk=lambda: np.mean(train_stage.get_losses()))
trainer.add_on_epoch_end_callback(
lambda: tensorboard.update_scalar('params/lr',
trainer.data_processor().get_lr()))
########################################################
# For set resume mode to Trainer just call 'resume' method
########################################################
trainer.resume(from_best_checkpoint=False).train()
def metrics_processing(self,
with_final_file: bool,
final_file: str = None):
fsm = FileStructManager(base_dir='data', is_continue=False)
expected_out = os.path.join('data', 'monitors', 'metrics_log',
'metrics_log.json')
metrics_group_lv1 = MetricsGroup('lv1').add(
SimpleMetric(name='a',
coeff=1)).add(SimpleMetric(name='b', coeff=2))
metrics_group_lv2 = MetricsGroup('lv2').add(
SimpleMetric(name='c', coeff=3))
metrics_group_lv1.add(metrics_group_lv2)
m = SimpleMetric(name='d', coeff=4)
values = []
with LogMonitor(fsm) as monitor:
if with_final_file:
monitor.write_final_metrics(final_file)
for epoch in range(10):
cur_vals = []
for i in range(10):
output, target = torch.rand(1, 3), torch.rand(1, 3)
metrics_group_lv1.calc(output, target)
m._calc(output, target)
cur_vals.append(
np.linalg.norm(output.numpy() - target.numpy()))
values.append(float(np.mean(cur_vals)))
monitor.set_epoch_num(epoch)
monitor.update_metrics({
'metrics': [m],
'groups': [metrics_group_lv1]
})
m.reset()
metrics_group_lv1.reset()
self.assertTrue(
os.path.exists(expected_out) and os.path.isfile(expected_out))
with open(expected_out, 'r') as file:
data = json.load(file)
self.assertIn('d', data)
self.assertIn('lv1', data)
self.assertIn('lv2', data['lv1'])
self.assertIn('a', data['lv1'])
self.assertIn('b', data['lv1'])
self.assertIn('c', data['lv1']['lv2'])
self.assertEqual(len(data['d']), len(values))
self.assertEqual(len(data['lv1']['a']), len(values))
self.assertEqual(len(data['lv1']['b']), len(values))
self.assertEqual(len(data['lv1']['lv2']['c']), len(values))
for i, v in enumerate(values):
self.assertAlmostEqual(data['d'][i], values[i] * 4, delta=1e-5)
self.assertAlmostEqual(data['lv1']['a'][i], values[i], delta=1e-5)
self.assertAlmostEqual(data['lv1']['b'][i],
values[i] * 2,
delta=1e-5)
self.assertAlmostEqual(data['lv1']['lv2']['c'][i],
values[i] * 3,
delta=1e-5)
return values
def test_object_registration(self):
fsm = FileStructManager(base_dir=self.base_dir, is_continue=False)
fsm_exist_ok = FileStructManager(base_dir=self.base_dir,
is_continue=False,
exists_ok=True)
o = self.TestObj(fsm, 'test_dir', 'test_name')
fsm.register_dir(o)
expected_path = os.path.join(self.base_dir, 'test_dir')
self.assertFalse(os.path.exists(expected_path))
self.assertEqual(fsm.get_path(o), expected_path)
with self.assertRaises(FileStructManager.FSMException):
fsm.register_dir(self.TestObj(fsm, 'test_dir', 'another_name'))
try:
fsm.register_dir(self.TestObj(fsm, 'test_dir', 'another_name'),
check_dir_registered=False)
fsm_exist_ok.register_dir(
self.TestObj(fsm, 'test_dir', 'another_name'))
fsm_exist_ok.register_dir(self.TestObj(fsm, 'test_dir',
'another_name2'),
check_dir_registered=False)
except:
self.fail("Folder registrable test fail when it's disabled")
with self.assertRaises(FileStructManager.FSMException):
fsm.register_dir(self.TestObj(fsm, 'another_dir', 'test_name'))
fsm.register_dir(self.TestObj(fsm, 'another_dir', 'another_name'))
with self.assertRaises(FileStructManager.FSMException):
fsm_exist_ok.register_dir(
self.TestObj(fsm, 'another_dir', 'test_name'))
fsm_exist_ok.register_dir(
self.TestObj(fsm, 'another_dir', 'another_name'))
try:
fsm.register_dir(self.TestObj(fsm, 'another_dir2', 'test_name'),
check_name_registered=False)
fsm_exist_ok.register_dir(self.TestObj(fsm, 'another_dir2',
'test_name'),
check_name_registered=False)
except:
self.fail("Folder registrable test fail when it's disabled")
os.makedirs(os.path.join(self.base_dir, 'dir_dir', 'dir'))
with self.assertRaises(FileStructManager.FSMException):
fsm.register_dir(self.TestObj(fsm, 'dir_dir', 'name_name'))
try:
fsm_exist_ok.register_dir(self.TestObj(fsm, 'dir_dir',
'name_name'))
except:
self.fail("Folder registrable test fail when exists_ok=True")