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[enhance] Add custom_hooks #362

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merged 1 commit into from
Jun 8, 2021
Merged

[enhance] Add custom_hooks #362

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29 changes: 29 additions & 0 deletions mmedit/apis/train.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
import torch
from mmcv.parallel import MMDataParallel
from mmcv.runner import HOOKS, IterBasedRunner
from mmcv.utils import build_from_cfg

from mmedit.core import DistEvalIterHook, EvalIterHook, build_optimizers
from mmedit.core.distributed_wrapper import DistributedDataParallelWrapper
Expand Down Expand Up @@ -182,6 +183,20 @@ def _dist_train(model,
DistEvalIterHook(
data_loader, save_path=save_path, **cfg.evaluation))

# user-defined hooks
if cfg.get('custom_hooks', None):
custom_hooks = cfg.custom_hooks
assert isinstance(custom_hooks, list), \
f'custom_hooks expect list type, but got {type(custom_hooks)}'
for hook_cfg in cfg.custom_hooks:
assert isinstance(hook_cfg, dict), \
'Each item in custom_hooks expects dict type, but got ' \
f'{type(hook_cfg)}'
hook_cfg = hook_cfg.copy()
priority = hook_cfg.pop('priority', 'NORMAL')
hook = build_from_cfg(hook_cfg, HOOKS)
runner.register_hook(hook, priority=priority)

if cfg.resume_from:
runner.resume(cfg.resume_from)
elif cfg.load_from:
Expand Down Expand Up @@ -291,6 +306,20 @@ def _non_dist_train(model,
runner.register_hook(
EvalIterHook(data_loader, save_path=save_path, **cfg.evaluation))

# user-defined hooks
if cfg.get('custom_hooks', None):
custom_hooks = cfg.custom_hooks
assert isinstance(custom_hooks, list), \
f'custom_hooks expect list type, but got {type(custom_hooks)}'
for hook_cfg in cfg.custom_hooks:
assert isinstance(hook_cfg, dict), \
'Each item in custom_hooks expects dict type, but got ' \
f'{type(hook_cfg)}'
hook_cfg = hook_cfg.copy()
priority = hook_cfg.pop('priority', 'NORMAL')
hook = build_from_cfg(hook_cfg, HOOKS)
runner.register_hook(hook, priority=priority)

if cfg.resume_from:
runner.resume(cfg.resume_from)
elif cfg.load_from:
Expand Down