89 lines
2.3 KiB
Python
89 lines
2.3 KiB
Python
import os.path
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from copy import copy
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from .base import LightningLoggerBase, rank_zero_only
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from test_tube import Experiment
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class TestTubeLogger(LightningLoggerBase):
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def __init__(
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self, save_dir, name="default", debug=False, version=None, create_git_tag=False
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):
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super().__init__()
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self.save_dir = save_dir
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self.name = name
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self.debug = debug
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self._version = version
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self.create_git_tag = create_git_tag
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self._experiment = None
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@property
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def experiment(self):
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if self._experiment is not None:
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return self._experiment
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self._experiment = Experiment(
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save_dir=self.save_dir,
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name=self.name,
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debug=self.debug,
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version=self.version,
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create_git_tag=self.create_git_tag,
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rank=self.rank,
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)
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return self._experiment
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@rank_zero_only
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def log_hyperparams(self, params):
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self.experiment.argparse(params)
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@rank_zero_only
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def log_metrics(self, metrics, step_num=None):
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self.experiment.log(metrics, global_step=step_num)
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@rank_zero_only
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def save(self):
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self.experiment.save()
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@rank_zero_only
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def finalize(self, status):
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self.save()
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self.close()
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def close(self):
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self.experiment.close()
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@property
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def rank(self):
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if self._experiment is None:
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return self._rank
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else:
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return self.experiment.rank
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@rank.setter
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def rank(self, value):
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if self._experiment is None:
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self._rank = value
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else:
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return self.experiment.rank
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@property
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def version(self):
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if self._experiment is None:
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return self._version
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else:
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return self.experiment.version
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# Test tube experiments are not pickleable, so we need to override a few
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# methods to get DDP working. See
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# https://docs.python.org/3/library/pickle.html#handling-stateful-objects
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# for more info.
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def __getstate__(self):
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state = self.__dict__.copy()
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state["_experiment"] = self.experiment.get_meta_copy()
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return state
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def __setstate__(self, state):
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self._experiment = state["_experiment"].get_non_ddp_exp()
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del state["_experiment"]
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self.__dict__.update(state)
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