def template(engine,
value,
type_,
exclude_properties=None,
default_type=None,
version_spec=None):
object_store = helpers.get_object_store()
passkey = None
if not default_type:
default_type = type_
murano_class = type_.type
if value is None:
return None
if isinstance(value, dsl_types.MuranoObject):
obj = value
elif isinstance(value, dsl_types.MuranoObjectInterface):
obj = value.object
elif isinstance(value, utils.MappingType):
passkey = utils.create_marker('<Contract Passkey>')
if exclude_properties:
parsed = helpers.parse_object_definition(
value, calling_type, context)
props = dsl.to_mutable(parsed['properties'], engine)
for p in exclude_properties:
helpers.patch_dict(props, p, passkey)
parsed['properties'] = props
value = helpers.assemble_object_definition(parsed)
with helpers.thread_local_attribute(
constants.TL_CONTRACT_PASSKEY, passkey):
with helpers.thread_local_attribute(
constants.TL_OBJECTS_DRY_RUN, True):
obj = object_store.load(value,
owner,
context=context,
default_type=default_type,
scope_type=calling_type)
else:
raise exceptions.ContractViolationException(
'Value {0} cannot be represented as class {1}'.format(
format_scalar(value), type_))
if not helpers.is_instance_of(
obj, murano_class.name, version_spec
or helpers.get_type(root_context)):
raise exceptions.ContractViolationException(
'Object of type {0} is not compatible with '
'requested type {1}'.format(obj.type.name, type_))
with helpers.thread_local_attribute(constants.TL_CONTRACT_PASSKEY,
passkey):
result = serializer.serialize(obj.real_this,
object_store.executor,
dsl_types.DumpTypes.Mixed)
if exclude_properties:
for p in exclude_properties:
helpers.patch_dict(result, p, utils.NO_VALUE)
return result
def evaluate_constant(expr, engine, context):
"""Evaluate yaql expression into constant value if possible"""
if isinstance(expr, expressions.Constant):
return expr.value
context = context.create_child_context()
trap = utils.create_marker('trap')
context['$'] = trap
@specs.parameter('name', yaqltypes.StringConstant())
@specs.name('#get_context_data')
def get_context_data(name, context):
res = context[name]
if res is trap:
raise yaql_exceptions.ResolutionError()
return res
context.register_function(get_context_data)
try:
return expressions.Statement(expr, engine).evaluate(context=context)
except yaql_exceptions.YaqlException:
return None
def transform(self):
object_store = helpers.get_object_store()
if self.value is None:
return None
if isinstance(self.value, dsl_types.MuranoObject):
obj = self.value
elif isinstance(self.value, dsl_types.MuranoObjectInterface):
obj = self.value.object
elif isinstance(self.value, utils.MappingType):
passkey = utils.create_marker('<Contract Passkey>')
if self.exclude_properties:
parsed = helpers.parse_object_definition(
self.value, self.calling_type, self.context)
props = dsl.to_mutable(parsed['properties'], self.engine)
for p in self.exclude_properties:
helpers.patch_dict(props, p, passkey)
parsed['properties'] = props
value = helpers.assemble_object_definition(parsed)
else:
value = self.value
with helpers.thread_local_attribute(constants.TL_CONTRACT_PASSKEY,
passkey):
with helpers.thread_local_attribute(
constants.TL_OBJECTS_DRY_RUN, True):
obj = object_store.load(value,
self.owner,
context=self.context,
default_type=self.default_type,
scope_type=self.calling_type)
obj.__passkey__ = passkey
else:
raise exceptions.ContractViolationException(
'Value {0} cannot be represented as class {1}'.format(
helpers.format_scalar(self.value), self.type))
self.value = obj
return self.validate()
import inspect
import os.path
import six
from yaql.language import exceptions as yaql_exc
from yaql.language import expressions as yaql_expressions
from yaql.language import utils
from yaql.language import yaqltypes
from murano.dsl import constants
from murano.dsl import dsl_types
from murano.dsl import helpers
NO_VALUE = utils.create_marker('NO_VALUE')
def name(dsl_name):
def wrapper(cls):
cls.__murano_name = dsl_name
return cls
return wrapper
class MuranoType(yaqltypes.PythonType):
def __init__(self, murano_class, nullable=False, version_spec=None):
self.murano_class = murano_class
self.version_spec = version_spec
super(MuranoType, self).__init__(
(dsl_types.MuranoObject, MuranoObjectInterface), nullable)
import os.path
import eventlet
import six
from yaql.language import expressions as yaql_expressions
from yaql.language import specs
from yaql.language import utils
from yaql.language import yaqltypes
from yaql import yaql_interface
from murano.dsl import constants
from murano.dsl import dsl_types
from murano.dsl import helpers
NO_VALUE = utils.create_marker('NO_VALUE')
def name(dsl_name):
def wrapper(cls):
cls.__murano_name = dsl_name
return cls
return wrapper
class MuranoObjectParameter(yaqltypes.PythonType):
def __init__(self, murano_class=None, nullable=False, version_spec=None,
decorate=True):
self.murano_class = murano_class
self.version_spec = version_spec
self.decorate = decorate
#
# 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 inspect
import six
from yaql.language import exceptions
from yaql.language import utils
from yaql.language import yaqltypes
NO_DEFAULT = utils.create_marker('<NoValue>')
class ParameterDefinition(object):
__slots__ = ('value_type', 'name', 'position', 'default', 'alias')
def __init__(self, name, value_type=None, position=None, alias=None,
default=None):
self.value_type = value_type
self.name = name
self.position = position
self.default = default
self.alias = alias
def __repr__(self):
return '{0} => position={1} value_type={2} default={3}'.format(
#
# 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 inspect
import six
from yaql.language import exceptions
from yaql.language import utils
from yaql.language import yaqltypes
NO_DEFAULT = utils.create_marker('<NoValue>')
class ParameterDefinition(object):
__slots__ = ('value_type', 'name', 'position', 'default', 'alias')
def __init__(self,
name,
value_type=None,
position=None,
alias=None,
default=None):
self.value_type = value_type
self.name = name
self.position = position
self.default = default