76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the license found in the
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# LICENSE file in the root directory of this source tree.
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import os
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from dataclasses import dataclass, field, fields
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from datetime import datetime
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from typing import Any, List, Optional
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from omegaconf import OmegaConf
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@dataclass
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class ExperimentConfig:
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name: str = "default"
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tag: str = ""
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use_timestamp: bool = True
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timestamp: Optional[str] = None
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exp_root_dir: str = "outputs"
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exp_dir: str = "outputs/default"
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trial_name: str = "exp"
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trial_dir: str = "outputs/default/exp"
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n_gpus: int = 1
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resume: Optional[str] = None
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data: dict = field(default_factory=dict)
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system_type: str = ""
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system: dict = field(default_factory=dict)
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trainer: dict = field(default_factory=dict)
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checkpoint: dict = field(default_factory=dict)
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def __post_init__(self):
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if not self.tag and not self.use_timestamp:
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raise ValueError("Either tag is specified or use_timestamp is True.")
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self.trial_name = self.tag
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if self.timestamp is None:
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self.timestamp = ""
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if self.use_timestamp:
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if self.n_gpus > 1:
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print(
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"Timestamp is disabled when using multiple GPUs; set a unique tag."
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)
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else:
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self.timestamp = datetime.now().strftime("@%Y%m%d-%H%M%S")
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self.trial_name += self.timestamp
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self.exp_dir = os.path.join(self.exp_root_dir, self.name)
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self.trial_dir = os.path.join(self.exp_dir, self.trial_name)
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def _to_dict(cfg: Any) -> dict:
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if isinstance(cfg, dict):
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return cfg
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return OmegaConf.to_container(cfg, resolve=True)
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def structured_config(cls, cfg: Any):
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"""Build a structured config object from a dataclass type and plain dict."""
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return OmegaConf.structured(cls(**_to_dict(cfg)))
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def load_config(
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path: str,
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cli_args: Optional[List[str]] = None,
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**overrides,
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) -> ExperimentConfig:
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cfg = OmegaConf.load(path)
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if cli_args:
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cfg = OmegaConf.merge(cfg, OmegaConf.from_cli(cli_args))
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if overrides:
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cfg = OmegaConf.merge(cfg, overrides)
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OmegaConf.resolve(cfg)
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raw = _to_dict(cfg)
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valid = {f.name for f in fields(ExperimentConfig)}
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return ExperimentConfig(**{k: v for k, v in raw.items() if k in valid})
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