From c8201c119ec686e79797721156767685fe848aca Mon Sep 17 00:00:00 2001 From: shangxdy Date: Thu, 7 Apr 2016 14:08:49 -0400 Subject: 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 Signed-off-by: shangxdy --- .../toscaparser/extensions/exttools.py | 88 ++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 tosca2heat/tosca-parser/toscaparser/extensions/exttools.py (limited to 'tosca2heat/tosca-parser/toscaparser/extensions/exttools.py') diff --git a/tosca2heat/tosca-parser/toscaparser/extensions/exttools.py b/tosca2heat/tosca-parser/toscaparser/extensions/exttools.py new file mode 100644 index 0000000..963b958 --- /dev/null +++ b/tosca2heat/tosca-parser/toscaparser/extensions/exttools.py @@ -0,0 +1,88 @@ +# +# 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 importlib +import logging +import os + +from toscaparser.common.exception import ToscaExtAttributeError +from toscaparser.common.exception import ToscaExtImportError + +log = logging.getLogger("tosca.model") + +REQUIRED_ATTRIBUTES = ['VERSION', 'DEFS_FILE'] + + +class ExtTools(object): + def __init__(self): + self.EXTENSION_INFO = self._load_extensions() + + def _load_extensions(self): + '''Dynamically load all the extensions .''' + extensions = {} + + # Use the absolute path of the class path + abs_path = os.path.dirname(os.path.abspath(__file__)) + + extdirs = [e for e in os.listdir(abs_path) if + not e.startswith('tests') and + not e.endswith('.pyc') and not e.endswith('.py')] + + for e in extdirs: + log.info(e) + extpath = abs_path + '/' + e + # Grab all the extension files in the given path + ext_files = [f for f in os.listdir(extpath) if f.endswith('.py') + and not f.startswith('__init__')] + + # For each module, pick out the target translation class + for f in ext_files: + log.info(f) + ext_name = 'toscaparser/extensions/' + e + '/' + f.strip('.py') + ext_name = ext_name.replace('/', '.') + try: + extinfo = importlib.import_module(ext_name) + version = getattr(extinfo, 'VERSION') + defs_file = extpath + '/' + getattr(extinfo, 'DEFS_FILE') + + # Sections is an optional attribute + sections = getattr(extinfo, 'SECTIONS', ()) + + extensions[version] = {'sections': sections, + 'defs_file': defs_file} + except ImportError: + raise ToscaExtImportError(ext_name=ext_name) + except AttributeError: + attrs = ', '.join(REQUIRED_ATTRIBUTES) + raise ToscaExtAttributeError(ext_name=ext_name, + attrs=attrs) + + return extensions + + def get_versions(self): + return self.EXTENSION_INFO.keys() + + def get_sections(self): + sections = {} + for version in self.EXTENSION_INFO.keys(): + sections[version] = self.EXTENSION_INFO[version]['sections'] + + return sections + + def get_defs_file(self, version): + versiondata = self.EXTENSION_INFO.get(version) + + if versiondata: + return versiondata.get('defs_file') + else: + return None -- cgit 1.2.3-korg