From ea9ec1c6bc00ee90b288808f6d48d2ed420cf4b5 Mon Sep 17 00:00:00 2001 From: Dean Troyer Date: Thu, 11 Apr 2013 16:45:34 -0500 Subject: Tweak volume commands and add k=v argparse action Basic cleanups: * change metadata to property * add new KeyValueAction to parse the property options * multiple properties can be set using multiple --property args * consistent formatting * do lookups for volume args Change-Id: Ib6c43f01ad46b395aee8c61e886f42e2a5f5573e --- openstackclient/common/parseractions.py | 34 +++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 openstackclient/common/parseractions.py (limited to 'openstackclient/common') diff --git a/openstackclient/common/parseractions.py b/openstackclient/common/parseractions.py new file mode 100644 index 00000000..f111c264 --- /dev/null +++ b/openstackclient/common/parseractions.py @@ -0,0 +1,34 @@ +# Copyright 2013 OpenStack Foundation +# +# 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. +# + +"""argparse Custom Actions""" + +import argparse + + +class KeyValueAction(argparse.Action): + """A custom action to parse arguments as key=value pairs. + Ensures that dest is a dict + """ + 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 v1.2.1