yaql/examples/ns_functions.py
2014-01-22 22:05:04 -08:00

51 lines
1.9 KiB
Python

# Copyright (c) 2013 Mirantis, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, 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 types
import examples.ns.definition
from yaql.functions.old.decorators import arg
@arg('short_name', type=types.StringType)
@arg('value', type=types.StringType)
def expand_property_namespace(short_name, value):
fqns = examples.ns.definition.get_fqns(short_name)
if not fqns:
raise Exception(
"Namespace with alias '{0}' is unknown".format(short_name))
if not examples.ns.definition.validate(fqns, value):
raise Exception(
"Namespace '{0}' does not contain name '{1}'".format(fqns, value))
return "{0}.{1}".format(fqns, value)
@arg('short_name', type=types.StringType)
@arg('value', eval_arg=False, function_only=True)
def expand_function_namespace(short_name, value):
fqns = examples.ns.definition.get_fqns(short_name)
if not fqns:
raise Exception(
"Namespace with alias '{0}' is unknown".format(short_name))
if not examples.ns.definition.validate(fqns, value.function_name):
raise Exception(
"Namespace '{0}' does not contain name '{1}'".format(fqns, value))
value.function_name = "{0}.{1}".format(fqns, value.function_name)
return value
def register_in_context(context):
context.register_function(expand_property_namespace, 'operator_:')
context.register_function(expand_function_namespace, 'operator_:')