45 lines
1.0 KiB
Python
45 lines
1.0 KiB
Python
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from __future__ import absolute_import
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import os
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import os.path as osp
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import errno
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import json
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import shutil
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import torch
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def mkdir_if_missing(directory):
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if not osp.exists(directory):
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try:
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os.makedirs(directory)
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except OSError as e:
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if e.errno != errno.EEXIST:
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raise
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def check_isfile(path):
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isfile = osp.isfile(path)
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if not isfile:
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print("=> Warning: no file found at '{}' (ignored)".format(path))
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return isfile
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def read_json(fpath):
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with open(fpath, 'r') as f:
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obj = json.load(f)
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return obj
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def write_json(obj, fpath):
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mkdir_if_missing(osp.dirname(fpath))
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with open(fpath, 'w') as f:
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json.dump(obj, f, indent=4, separators=(',', ': '))
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def save_checkpoint(state, is_best=False, fpath='checkpoint.pth.tar'):
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if len(osp.dirname(fpath)) != 0:
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mkdir_if_missing(osp.dirname(fpath))
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torch.save(state, fpath)
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if is_best:
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shutil.copy(fpath, osp.join(osp.dirname(fpath), 'best_model.pth.tar'))
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