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author | shangxdy <shang.xiaodong@zte.com.cn> | 2016-04-07 14:08:49 -0400 |
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committer | shangxdy <shang.xiaodong@zte.com.cn> | 2016-04-07 14:59:30 -0400 |
commit | c8201c119ec686e79797721156767685fe848aca (patch) | |
tree | cce6aa15ded38d89c18a14b76c21f21e0b1a24f7 /tosca2heat/heat-translator/translator/osc/utils.py | |
parent | 4e4c86a06d58b1816c074c7f9da4c58bbf10368c (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/heat-translator/translator/osc/utils.py')
-rw-r--r-- | tosca2heat/heat-translator/translator/osc/utils.py | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tosca2heat/heat-translator/translator/osc/utils.py b/tosca2heat/heat-translator/translator/osc/utils.py new file mode 100644 index 0000000..e8a6814 --- /dev/null +++ b/tosca2heat/heat-translator/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) |