diff options
Diffstat (limited to 'azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/presentation/field_getters.py')
-rw-r--r-- | azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/presentation/field_getters.py | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/presentation/field_getters.py b/azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/presentation/field_getters.py new file mode 100644 index 0000000..f14164a --- /dev/null +++ b/azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/presentation/field_getters.py @@ -0,0 +1,37 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You 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. + +from aria.utils.formatting import safe_repr +from aria.parser.exceptions import InvalidValueError + + +def data_type_class_getter(cls): + """ + Wraps the field value in a specialized data type class. + + Can be used with the :func:`field_getter` decorator. + """ + + def getter(field, presentation, context=None): + raw = field.default_get(presentation, context) + if raw is not None: + try: + return cls(None, None, raw, None) + except ValueError as e: + raise InvalidValueError( + '%s is not a valid "%s" in "%s": %s' + % (field.full_name, field.full_cls_name, presentation._name, safe_repr(raw)), + cause=e, locator=field.get_locator(raw)) + return getter |