def __init__(self, package, version):
        """Construct a new requirement.

        :param package: the package name.
        :param version: a semver compatible version specification.
        """
        self.package = package
        self.version = version
        if self.version and not re.match(r"[<=>~]", version[:2]):
            self.version = "=={}".format(self.version)
def test_conf_inline_ratelimiting(self):
        with mock.patch.object(memcache, 'ConfigParser', get_config_parser()):
            app = memcache.MemcacheMiddleware(
                FakeApp(),
                {'error_suppression_limit': '5',
                 'error_suppression_interval': '2.5'})
        self.assertEqual(app.memcache._error_limit_count, 5)
        self.assertEqual(app.memcache._error_limit_time, 2.5)
        self.assertEqual(app.memcache._error_limit_duration, 2.5)