86 lines
2.9 KiB
Python
86 lines
2.9 KiB
Python
# Copyright (c) 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import weakref
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from murano.dsl.contracts import contracts
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from murano.dsl import dsl_types
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from murano.dsl import helpers
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class Spec(object):
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def __init__(self, declaration, container_type):
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self._container_type = weakref.ref(container_type)
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self._contract = contracts.Contract(
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declaration['Contract'], container_type)
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self._has_default = 'Default' in declaration
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self._default = declaration.get('Default')
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def _get_this_context(self, this):
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executor = helpers.get_executor()
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if isinstance(this, dsl_types.MuranoType):
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return executor.create_object_context(this)
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return executor.create_object_context(
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this.cast(self._container_type()))
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def transform(self, value, this, owner, context, default=None,
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finalize=True):
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if default is None:
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default = self.default
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if isinstance(this, dsl_types.MuranoTypeReference):
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this = this.type
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if isinstance(this, dsl_types.MuranoType):
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return self._contract.transform(
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value, self._get_this_context(this),
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None, None, default, helpers.get_type(context),
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finalize=finalize)
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else:
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return self._contract.transform(
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value, self._get_this_context(this),
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this, owner, default, helpers.get_type(context),
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finalize=finalize)
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def validate(self, value, this, context, default=None):
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if default is None:
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default = self.default
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return self._contract.validate(
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value, self._get_this_context(this), default,
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helpers.get_type(context))
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def check_type(self, value, context, default=None):
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if default is None:
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default = self.default
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return self._contract.check_type(
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value, context, default, helpers.get_type(context))
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def finalize(self, value, this, context):
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return self._contract.finalize(
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value, self._get_this_context(this), helpers.get_type(context))
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@property
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def default(self):
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return self._default
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@property
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def contract(self):
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return self._contract
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@property
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def has_default(self):
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return self._has_default
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@property
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def declaring_type(self):
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return self._container_type()
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