diff options
Diffstat (limited to 'tosca2heat/tosca-parser-0.3.0/toscaparser/parameters.py')
-rw-r--r-- | tosca2heat/tosca-parser-0.3.0/toscaparser/parameters.py | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/tosca2heat/tosca-parser-0.3.0/toscaparser/parameters.py b/tosca2heat/tosca-parser-0.3.0/toscaparser/parameters.py new file mode 100644 index 0000000..983aee3 --- /dev/null +++ b/tosca2heat/tosca-parser-0.3.0/toscaparser/parameters.py @@ -0,0 +1,114 @@ +# 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 logging + +from toscaparser.common.exception import ExceptionCollector +from toscaparser.common.exception import MissingRequiredFieldError +from toscaparser.common.exception import UnknownFieldError +from toscaparser.dataentity import DataEntity +from toscaparser.elements.constraints import Schema +from toscaparser.elements.entity_type import EntityType +from toscaparser.utils.gettextutils import _ + + +log = logging.getLogger('tosca') + + +class Input(object): + + INPUTFIELD = (TYPE, DESCRIPTION, DEFAULT, CONSTRAINTS) = \ + ('type', 'description', 'default', 'constraints') + + def __init__(self, name, schema_dict): + self.name = name + self.schema = Schema(name, schema_dict) + + @property + def type(self): + return self.schema.type + + @property + def description(self): + return self.schema.description + + @property + def default(self): + return self.schema.default + + @property + def constraints(self): + return self.schema.constraints + + def validate(self, value=None): + self._validate_field() + self.validate_type(self.type) + if value: + self._validate_value(value) + + def _validate_field(self): + for name in self.schema.schema: + if name not in self.INPUTFIELD: + ExceptionCollector.appendException( + UnknownFieldError(what='Input "%s"' % self.name, + field=name)) + + def validate_type(self, input_type): + if input_type not in Schema.PROPERTY_TYPES: + ExceptionCollector.appendException( + ValueError(_('Invalid type "%s".') % type)) + + def _validate_value(self, value): + tosca = EntityType.TOSCA_DEF + datatype = None + if self.type in tosca: + datatype = tosca[self.type] + elif EntityType.DATATYPE_PREFIX + self.type in tosca: + datatype = tosca[EntityType.DATATYPE_PREFIX + self.type] + + DataEntity.validate_datatype(self.type, value, None, datatype) + + +class Output(object): + + OUTPUTFIELD = (DESCRIPTION, VALUE) = ('description', 'value') + + def __init__(self, name, attrs): + self.name = name + self.attrs = attrs + + @property + def description(self): + return self.attrs.get(self.DESCRIPTION) + + @property + def value(self): + return self.attrs.get(self.VALUE) + + def validate(self): + self._validate_field() + + def _validate_field(self): + if not isinstance(self.attrs, dict): + ExceptionCollector.appendException( + MissingRequiredFieldError(what='Output "%s"' % self.name, + required=self.VALUE)) + if self.value is None: + ExceptionCollector.appendException( + MissingRequiredFieldError(what='Output "%s"' % self.name, + required=self.VALUE)) + for name in self.attrs: + if name not in self.OUTPUTFIELD: + ExceptionCollector.appendException( + UnknownFieldError(what='Output "%s"' % self.name, + field=name)) |