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Diffstat (limited to 'tosca2heat/heat-translator/translator/conf')
3 files changed, 107 insertions, 0 deletions
diff --git a/tosca2heat/heat-translator/translator/conf/__init__.py b/tosca2heat/heat-translator/translator/conf/__init__.py new file mode 100644 index 0000000..2c61252 --- /dev/null +++ b/tosca2heat/heat-translator/translator/conf/__init__.py @@ -0,0 +1,36 @@ +# +# 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. + +''' Initialize the global configuration for the translator ''' + +import os + +from translator.conf.config import ConfigProvider + +CONF_FILENAME = 'translator.conf' + + +def init_global_conf(): + '''Initialize the configuration provider. + + Allows the configuration to be shared throughout the translator code. + The file used is translator.conf, and is within the conf/ directory. It + is a standard ini format, and is prcessed using the ConfigParser module. + + ''' + conf_path = os.path.dirname(os.path.abspath(__file__)) + conf_file = os.path.join(conf_path, CONF_FILENAME) + ConfigProvider._load_config(conf_file) + + +init_global_conf() diff --git a/tosca2heat/heat-translator/translator/conf/config.py b/tosca2heat/heat-translator/translator/conf/config.py new file mode 100644 index 0000000..4e8fe87 --- /dev/null +++ b/tosca2heat/heat-translator/translator/conf/config.py @@ -0,0 +1,67 @@ +# +# 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. + +''' Provide a global configuration for the TOSCA translator''' + +from six.moves import configparser + +from toscaparser.utils.gettextutils import _ +import translator.common.exception as exception + + +class ConfigProvider(object): + '''Global config proxy that wraps a ConfigParser object. + + Allows for class based access to config values. Should only be initialized + once using the corresponding translator.conf file in the conf directory. + + ''' + + # List that captures all of the conf file sections. + # Append any new sections to this list. + _sections = ['DEFAULT'] + _translator_config = None + + @classmethod + def _load_config(cls, conf_file): + '''Private method only to be called once from the __init__ module''' + + cls._translator_config = configparser.ConfigParser() + try: + cls._translator_config.read(conf_file) + except configparser.ParsingError: + msg = _('Unable to parse translator.conf file.' + 'Check to see that it exists in the conf directory.') + raise exception.ConfFileParseError(message=msg) + + @classmethod + def get_value(cls, section, key): + try: + value = cls._translator_config.get(section, key) + except configparser.NoOptionError: + raise exception.ConfOptionNotDefined(key=key, section=section) + except configparser.NoSectionError: + raise exception.ConfSectionNotDefined(section=section) + + return value + + @classmethod + def get_all_values(cls): + values = [] + for section in cls._sections: + try: + values.extend(cls._translator_config.items(section=section)) + except configparser.NoOptionError: + raise exception.ConfSectionNotDefined(section=section) + + return values diff --git a/tosca2heat/heat-translator/translator/conf/translator.conf b/tosca2heat/heat-translator/translator/conf/translator.conf new file mode 100644 index 0000000..6ebf292 --- /dev/null +++ b/tosca2heat/heat-translator/translator/conf/translator.conf @@ -0,0 +1,4 @@ +[DEFAULT] + +# Relative path location for custom types +custom_types_location=translator/custom/hot
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