90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
import pickle
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from collections import defaultdict
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from pathlib import Path
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from typing import List, Dict
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from stable_baselines3.common.callbacks import BaseCallback
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from environments.helpers import IGNORED_DF_COLUMNS
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import pandas as pd
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class MonitorCallback(BaseCallback):
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ext = 'png'
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def __init__(self, filepath=Path('debug_out/monitor.pick')):
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super(MonitorCallback, self).__init__()
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self.filepath = Path(filepath)
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self._monitor_df = pd.DataFrame()
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self._monitor_dicts = defaultdict(dict)
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self.started = False
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self.closed = False
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def __enter__(self):
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self.start()
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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self.stop()
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def _on_training_start(self) -> None:
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if self.started:
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pass
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else:
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self.start()
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pass
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def _on_training_end(self) -> None:
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if self.closed:
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pass
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else:
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self.stop()
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def _on_step(self, alt_infos: List[Dict] = None, alt_dones: List[bool] = None) -> bool:
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if self.started:
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for env_idx, info in enumerate(self.locals.get('infos', [])):
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self.read_info(env_idx, info)
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for env_idx, done in list(
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enumerate(self.locals.get('dones', []))) + list(enumerate(self.locals.get('done', []))):
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self.read_done(env_idx, done)
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else:
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pass
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return True
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def read_info(self, env_idx, info: dict):
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self._monitor_dicts[env_idx][len(self._monitor_dicts[env_idx])] = {
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key: val for key, val in info.items() if
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key not in ['terminal_observation', 'episode'] and not key.startswith('rec_')}
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return
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def read_done(self, env_idx, done):
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if done:
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env_monitor_df = pd.DataFrame.from_dict(self._monitor_dicts[env_idx], orient='index')
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self._monitor_dicts[env_idx] = dict()
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columns = [col for col in env_monitor_df.columns if col not in IGNORED_DF_COLUMNS]
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env_monitor_df = env_monitor_df.aggregate(
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{col: 'mean' if col.endswith('ount') else 'sum' for col in columns}
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)
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env_monitor_df['episode'] = len(self._monitor_df)
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self._monitor_df = self._monitor_df.append([env_monitor_df])
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else:
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pass
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return
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def stop(self):
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# self.out_file.unlink(missing_ok=True)
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with self.filepath.open('wb') as f:
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pickle.dump(self._monitor_df.reset_index(), f, protocol=pickle.HIGHEST_PROTOCOL)
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self.closed = True
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def start(self):
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if self.started:
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pass
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else:
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self.filepath.parent.mkdir(exist_ok=True, parents=True)
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self.started = True
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pass
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