utils.py 文件源码

def version_info(module):
    """Get version of a standard python module.

    Args:
        module (module): python module object to get version info for.

    Returns:
        dict: dictionary of version info.

    """
    if hasattr(module, '__version__'):
        version = module.__version__
    elif hasattr(module, 'VERSION'):
        version = module.VERSION
    else:
        pkgname = module.__name__.split('.')[0]
        try:
            info = pkg_resources.get_distribution(pkgname)
        except (pkg_resources.DistributionNotFound, pkg_resources.RequirementParseError):
            version = None
            log.warning(
                'version information not found for %s -- what package is this from?' % module.__name__)
        else:
            version = info.version

    return {'version': version}