# limitations under the License.
import abc
import copy
import inspect
import re
import six
import yaql
from yaql import exceptions as yaql_exc
from highlander import exceptions as exc
from highlander.openstack.common import log as logging
from highlander import yaql_utils
LOG = logging.getLogger(__name__)
class Evaluator(object):
"""Expression evaluator interface.
Having this interface gives the flexibility to change the actual expression
language used in Highlander DSL for conditions, output calculation etc.
"""
@classmethod
@abc.abstractmethod
def validate(cls, expression):
"""Parse and validates the expression.
:param expression: Expression string
:return: True if expression is valid
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import copy
import six
from highlander.db.v1 import api as db_api
from highlander import exceptions as exc
from highlander import expressions as expr
from highlander.openstack.common import log as logging
from highlander import utils
from highlander.maccleod import parser as spec_parser
LOG = logging.getLogger(__name__)
def validate_input(definition, spec, input):
input_param_names = copy.copy((input or {}).keys())
missing_param_names = []
for p_name, p_value in six.iteritems(spec.get_input()):
if p_value is utils.NotDefined and p_name not in input_param_names:
missing_param_names.append(p_name)
if p_name in input_param_names:
input_param_names.remove(p_name)
if missing_param_names or input_param_names:
msg = 'Invalid input [name=%s, class=%s'
msg_props = [definition.name, spec.__class__.__name__]
