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_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 _resume(self) -> int:
if self._resume_from == 'last':
ckpts_manager = self._checkpoint_manager
elif self._checkpoint_manager == 'best':
ckpts_manager = CheckpointsManager(self._fsm, 'best')
else:
raise NotImplementedError("Resume parameter may be only 'last' or 'best' not {}".format(self._resume_from))
ckpts_manager.unpack()
self._data_processor.load()
with open(ckpts_manager.trainer_file(), 'r') as file:
start_epoch_idx = json.load(file)['last_epoch'] + 1
ckpts_manager.pack()
return start_epoch_idx