From b678c5bfea0f1b142c2a4a5bdee1e3309a021887 Mon Sep 17 00:00:00 2001 From: zhipengh Date: Tue, 22 Dec 2015 15:04:53 +0800 Subject: JIRA:PARSER-15 Provide Standalone Heat-Translator Liberty Pypi Packages --- .../heat-translator-0.3.0/translator/osc/utils.py | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 tosca2heat/heat-translator-0.3.0/translator/osc/utils.py (limited to 'tosca2heat/heat-translator-0.3.0/translator/osc/utils.py') diff --git a/tosca2heat/heat-translator-0.3.0/translator/osc/utils.py b/tosca2heat/heat-translator-0.3.0/translator/osc/utils.py new file mode 100644 index 0000000..e8a6814 --- /dev/null +++ b/tosca2heat/heat-translator-0.3.0/translator/osc/utils.py @@ -0,0 +1,45 @@ +# 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. +# + +"""Common client utilities""" + +import argparse +import os + + +def env(*vars, **kwargs): + """Search for the first defined of possibly many env vars + + Returns the first environment variable defined in vars, or + returns the default defined in kwargs. + """ + for v in vars: + value = os.environ.get(v, None) + if value: + return value + return kwargs.get('default', '') + + +class KeyValueAction(argparse.Action): + """A custom action to parse arguments as key=value pairs. """ + + def __call__(self, parser, namespace, values, option_string=None): + # Make sure we have an empty dict rather than None + if getattr(namespace, self.dest, None) is None: + setattr(namespace, self.dest, {}) + + # Add value if an assignment else remove it + if '=' in values: + getattr(namespace, self.dest, {}).update([values.split('=', 1)]) + else: + getattr(namespace, self.dest, {}).pop(values, None) -- cgit 1.2.3-korg