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from concern.config import Configurable, State
import os
import torch
class Checkpoint(Configurable):
start_epoch = State(default=0)
start_iter = State(default=0)
resume = State()
def __init__(self, **kwargs):
self.load_all(**kwargs)
cmd = kwargs['cmd']
if 'start_epoch' in cmd:
self.start_epoch = cmd['start_epoch']
if 'start_iter' in cmd:
self.start_iter = cmd['start_iter']
if 'resume' in cmd:
self.resume = cmd['resume']
def restore_model(self, model, device, logger):
if self.resume is None:
return
if not os.path.exists(self.resume):
self.logger.warning("Checkpoint not found: " +
self.resume)
return
logger.info("Resuming from " + self.resume)
state_dict = torch.load(self.resume, map_location=device)
model.load_state_dict(state_dict, strict=False)
logger.info("Resumed from " + self.resume)
def restore_counter(self):
return self.start_epoch, self.start_iter
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