| |
| import warnings |
|
|
| import mmcv |
| import mmengine |
| from packaging.version import parse |
|
|
| from .version import __version__, version_info |
|
|
| MMCV_MIN = '2.0.0rc4' |
| MMCV_MAX = '2.2.0' |
| MMENGINE_MIN = '0.5.0' |
| MMENGINE_MAX = '1.0.0' |
|
|
|
|
| def digit_version(version_str: str, length: int = 4): |
| """Convert a version string into a tuple of integers. |
| |
| This method is usually used for comparing two versions. For pre-release |
| versions: alpha < beta < rc. |
| |
| Args: |
| version_str (str): The version string. |
| length (int): The maximum number of version levels. Default: 4. |
| |
| Returns: |
| tuple[int]: The version info in digits (integers). |
| """ |
| version = parse(version_str) |
| assert version.release, f'failed to parse version {version_str}' |
| release = list(version.release) |
| release = release[:length] |
| if len(release) < length: |
| release = release + [0] * (length - len(release)) |
| if version.is_prerelease: |
| mapping = {'a': -3, 'b': -2, 'rc': -1} |
| val = -4 |
| |
| if version.pre: |
| if version.pre[0] not in mapping: |
| warnings.warn(f'unknown prerelease version {version.pre[0]}, ' |
| 'version checking may go wrong') |
| else: |
| val = mapping[version.pre[0]] |
| release.extend([val, version.pre[-1]]) |
| else: |
| release.extend([val, 0]) |
|
|
| elif version.is_postrelease: |
| release.extend([1, version.post]) |
| else: |
| release.extend([0, 0]) |
| return tuple(release) |
|
|
|
|
| mmcv_min_version = digit_version(MMCV_MIN) |
| mmcv_max_version = digit_version(MMCV_MAX) |
| mmcv_version = digit_version(mmcv.__version__) |
|
|
|
|
| assert (mmcv_min_version <= mmcv_version <= mmcv_max_version), \ |
| f'MMCV=={mmcv.__version__} is used but incompatible. ' \ |
| f'Please install mmcv>=2.0.0rc4.' |
|
|
| mmengine_min_version = digit_version(MMENGINE_MIN) |
| mmengine_max_version = digit_version(MMENGINE_MAX) |
| mmengine_version = digit_version(mmengine.__version__) |
|
|
| assert (mmengine_min_version <= mmengine_version < mmengine_max_version), \ |
| f'MMEngine=={mmengine.__version__} is used but incompatible. ' \ |
| f'Please install mmengine>={mmengine_min_version}, '\ |
| f'<{mmengine_max_version}.' |
|
|
| __all__ = ['__version__', 'version_info', 'digit_version'] |
|
|
