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* [Feature] add auto resume * Update mmseg/utils/find_latest_checkpoint.py Co-authored-by: Miao Zheng <76149310+MeowZheng@users.noreply.github.com> * Update mmseg/utils/find_latest_checkpoint.py Co-authored-by: Miao Zheng <76149310+MeowZheng@users.noreply.github.com> * modify docstring * Update mmseg/utils/find_latest_checkpoint.py Co-authored-by: Miao Zheng <76149310+MeowZheng@users.noreply.github.com> * add copyright Co-authored-by: Miao Zheng <76149310+MeowZheng@users.noreply.github.com>
41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
# Copyright (c) OpenMMLab. All rights reserved.
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import os.path as osp
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import tempfile
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from mmseg.utils import find_latest_checkpoint
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def test_find_latest_checkpoint():
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with tempfile.TemporaryDirectory() as tempdir:
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# no checkpoints in the path
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path = tempdir
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latest = find_latest_checkpoint(path)
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assert latest is None
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# The path doesn't exist
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path = osp.join(tempdir, 'none')
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latest = find_latest_checkpoint(path)
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assert latest is None
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# test when latest.pth exists
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with tempfile.TemporaryDirectory() as tempdir:
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with open(osp.join(tempdir, 'latest.pth'), 'w') as f:
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f.write('latest')
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path = tempdir
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latest = find_latest_checkpoint(path)
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assert latest == osp.join(tempdir, 'latest.pth')
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with tempfile.TemporaryDirectory() as tempdir:
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for iter in range(1600, 160001, 1600):
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with open(osp.join(tempdir, f'iter_{iter}.pth'), 'w') as f:
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f.write(f'iter_{iter}.pth')
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latest = find_latest_checkpoint(tempdir)
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assert latest == osp.join(tempdir, 'iter_160000.pth')
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with tempfile.TemporaryDirectory() as tempdir:
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for epoch in range(1, 21):
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with open(osp.join(tempdir, f'epoch_{epoch}.pth'), 'w') as f:
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f.write(f'epoch_{epoch}.pth')
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latest = find_latest_checkpoint(tempdir)
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assert latest == osp.join(tempdir, 'epoch_20.pth')
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