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authorshangxdy <shang.xiaodong@zte.com.cn>2016-04-07 14:08:49 -0400
committershangxdy <shang.xiaodong@zte.com.cn>2016-04-07 14:59:30 -0400
commitc8201c119ec686e79797721156767685fe848aca (patch)
treecce6aa15ded38d89c18a14b76c21f21e0b1a24f7 /tosca2heat/tosca-parser/toscaparser/elements/entity_type.py
parent4e4c86a06d58b1816c074c7f9da4c58bbf10368c (diff)
Update tosca lib to version 0.5
Use tosca-parser and heat-translator to analyze to the basic nfv-tosca type definitions, and use simple tosca new feature such as policy, group and trigger, which are now supported by the latest version of tosca-parser and heat-translator. JIRA:PARSER-18 Change-Id: I797bcacbb5b32005d0aeb0f3f32851ac96e30f01 Signed--off-by: shangxdy <shang.xiaodong@zte.com.cn> Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>
Diffstat (limited to 'tosca2heat/tosca-parser/toscaparser/elements/entity_type.py')
-rw-r--r--tosca2heat/tosca-parser/toscaparser/elements/entity_type.py145
1 files changed, 145 insertions, 0 deletions
diff --git a/tosca2heat/tosca-parser/toscaparser/elements/entity_type.py b/tosca2heat/tosca-parser/toscaparser/elements/entity_type.py
new file mode 100644
index 0000000..5d620a5
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+++ b/tosca2heat/tosca-parser/toscaparser/elements/entity_type.py
@@ -0,0 +1,145 @@
+# 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 copy
+import logging
+import os
+from toscaparser.common.exception import ExceptionCollector
+from toscaparser.common.exception import ValidationError
+from toscaparser.extensions.exttools import ExtTools
+import toscaparser.utils.yamlparser
+
+log = logging.getLogger('tosca')
+
+
+class EntityType(object):
+ '''Base class for TOSCA elements.'''
+
+ SECTIONS = (DERIVED_FROM, PROPERTIES, ATTRIBUTES, REQUIREMENTS,
+ INTERFACES, CAPABILITIES, TYPE, ARTIFACTS) = \
+ ('derived_from', 'properties', 'attributes', 'requirements',
+ 'interfaces', 'capabilities', 'type', 'artifacts')
+
+ '''TOSCA definition file.'''
+ TOSCA_DEF_FILE = os.path.join(
+ os.path.dirname(os.path.abspath(__file__)),
+ "TOSCA_definition_1_0.yaml")
+
+ loader = toscaparser.utils.yamlparser.load_yaml
+
+ TOSCA_DEF = loader(TOSCA_DEF_FILE)
+
+ RELATIONSHIP_TYPE = (DEPENDSON, HOSTEDON, CONNECTSTO, ATTACHESTO,
+ LINKSTO, BINDSTO) = \
+ ('tosca.relationships.DependsOn',
+ 'tosca.relationships.HostedOn',
+ 'tosca.relationships.ConnectsTo',
+ 'tosca.relationships.AttachesTo',
+ 'tosca.relationships.network.LinksTo',
+ 'tosca.relationships.network.BindsTo')
+
+ NODE_PREFIX = 'tosca.nodes.'
+ RELATIONSHIP_PREFIX = 'tosca.relationships.'
+ CAPABILITY_PREFIX = 'tosca.capabilities.'
+ INTERFACE_PREFIX = 'tosca.interfaces.'
+ ARTIFACT_PREFIX = 'tosca.artifacts.'
+ POLICY_PREFIX = 'tosca.policies.'
+ GROUP_PREFIX = 'tosca.groups.'
+ # currently the data types are defined only for network
+ # but may have changes in the future.
+ DATATYPE_PREFIX = 'tosca.datatypes.network.'
+ TOSCA = 'tosca'
+
+ def derived_from(self, defs):
+ '''Return a type this type is derived from.'''
+ return self.entity_value(defs, 'derived_from')
+
+ def is_derived_from(self, type_str):
+ '''Check if object inherits from the given type.
+
+ Returns true if this object is derived from 'type_str'.
+ False otherwise.
+ '''
+ if not self.type:
+ return False
+ elif self.type == type_str:
+ return True
+ elif self.parent_type:
+ return self.parent_type.is_derived_from(type_str)
+ else:
+ return False
+
+ def entity_value(self, defs, key):
+ if key in defs:
+ return defs[key]
+
+ def get_value(self, ndtype, defs=None, parent=None):
+ value = None
+ if defs is None:
+ if not hasattr(self, 'defs'):
+ return None
+ defs = self.defs
+ if ndtype in defs:
+ # copy the value to avoid that next operations add items in the
+ # item definitions
+ value = copy.copy(defs[ndtype])
+ if parent:
+ p = self
+ if p:
+ while p:
+ if ndtype in p.defs:
+ # get the parent value
+ parent_value = p.defs[ndtype]
+ if value:
+ if isinstance(value, dict):
+ for k, v in parent_value.items():
+ if k not in value.keys():
+ value[k] = v
+ if isinstance(value, list):
+ for p_value in parent_value:
+ if p_value not in value:
+ value.append(p_value)
+ else:
+ value = copy.copy(parent_value)
+ p = p.parent_type
+ return value
+
+ def get_definition(self, ndtype):
+ value = None
+ if not hasattr(self, 'defs'):
+ defs = None
+ ExceptionCollector.appendException(
+ ValidationError(message="defs is " + str(defs)))
+ else:
+ defs = self.defs
+ if defs is not None and ndtype in defs:
+ value = defs[ndtype]
+ p = self.parent_type
+ if p:
+ inherited = p.get_definition(ndtype)
+ if inherited:
+ inherited = dict(inherited)
+ if not value:
+ value = inherited
+ else:
+ inherited.update(value)
+ value.update(inherited)
+ return value
+
+
+def update_definitions(version):
+ exttools = ExtTools()
+ extension_defs_file = exttools.get_defs_file(version)
+
+ loader = toscaparser.utils.yamlparser.load_yaml
+
+ EntityType.TOSCA_DEF.update(loader(extension_defs_file))