import boto
from nose.plugins.skip import SkipTest


def version_tuple(v):
    return tuple(map(int, (v.split("."))))


class requires_boto_gte(object):
    """Decorator for requiring boto version greater than or equal to 'version'"""
    def __init__(self, version):
        self.version = version

    def __call__(self, test):
        boto_version = version_tuple(boto.__version__)
        required = version_tuple(self.version)
        if boto_version >= required:
            return test()
        raise SkipTest