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import warnings |
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import mmcv |
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import mmengine |
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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 = '2.0.0rc4' |
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MMCV_MAX = '2.2.0' |
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MMENGINE_MIN = '0.5.0' |
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MMENGINE_MAX = '1.0.0' |
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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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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>=2.0.0rc4.' |
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mmengine_min_version = digit_version(MMENGINE_MIN) |
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mmengine_max_version = digit_version(MMENGINE_MAX) |
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mmengine_version = digit_version(mmengine.__version__) |
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assert (mmengine_min_version <= mmengine_version < mmengine_max_version), \ |
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f'MMEngine=={mmengine.__version__} is used but incompatible. ' \ |
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f'Please install mmengine>={mmengine_min_version}, '\ |
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f'<{mmengine_max_version}.' |
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__all__ = ['__version__', 'version_info', 'digit_version'] |
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