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https://github.com/open-mmlab/mmsegmentation.git
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cae715a4b6
* [Fix] Convert SyncBN to BN when training on DP. * Modify SyncBN2BN. * Add SyncBN2BN unit test. * Resolve some comments. * use mmcv official revert_sync_batchnorm * Remove local syncbn2bn unit tests. * Update mmcv version. * Fix bugs of gather model tools. * Modify warnings. * Modify docker mmcv version. * Update mmcv version table.
63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
# Copyright (c) OpenMMLab. All rights reserved.
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import warnings
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import mmcv
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from packaging.version import parse
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from .version import __version__, version_info
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MMCV_MIN = '1.3.13'
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MMCV_MAX = '1.4.0'
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def digit_version(version_str: str, length: int = 4):
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"""Convert a version string into a tuple of integers.
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This method is usually used for comparing two versions. For pre-release
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versions: alpha < beta < rc.
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Args:
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version_str (str): The version string.
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length (int): The maximum number of version levels. Default: 4.
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Returns:
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tuple[int]: The version info in digits (integers).
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"""
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version = parse(version_str)
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assert version.release, f'failed to parse version {version_str}'
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release = list(version.release)
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release = release[:length]
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if len(release) < length:
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release = release + [0] * (length - len(release))
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if version.is_prerelease:
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mapping = {'a': -3, 'b': -2, 'rc': -1}
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val = -4
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# version.pre can be None
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if version.pre:
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if version.pre[0] not in mapping:
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warnings.warn(f'unknown prerelease version {version.pre[0]}, '
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'version checking may go wrong')
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else:
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val = mapping[version.pre[0]]
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release.extend([val, version.pre[-1]])
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else:
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release.extend([val, 0])
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elif version.is_postrelease:
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release.extend([1, version.post])
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else:
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release.extend([0, 0])
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return tuple(release)
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mmcv_min_version = digit_version(MMCV_MIN)
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mmcv_max_version = digit_version(MMCV_MAX)
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mmcv_version = digit_version(mmcv.__version__)
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assert (mmcv_min_version <= mmcv_version <= mmcv_max_version), \
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f'MMCV=={mmcv.__version__} is used but incompatible. ' \
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f'Please install mmcv>={mmcv_min_version}, <={mmcv_max_version}.'
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__all__ = ['__version__', 'version_info', 'digit_version']
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