c94e262df8
* Add security group: create, delete, list, set, show * Add server: add secgroup, remove secgroup * Add security group rule: create, delete, list * Add Oslo's strutils and gettextutils * Adds parseractions.RangeAction() to handle option arguments of either a single number or a range of numbers: '--port 25' or '--port 1024:65535' Blueprint: nova-client Change-Id: Iad2de1b273ba29197709fc4c6a1036b4ae99725f
59 lines
2.2 KiB
Python
59 lines
2.2 KiB
Python
# 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)
|
|
|
|
|
|
class RangeAction(argparse.Action):
|
|
"""A custom action to parse a single value or a range of values."""
|
|
def __call__(self, parser, namespace, values, option_string=None):
|
|
range = values.split(':')
|
|
if len(range) == 0:
|
|
# Nothing passed, return a zero default
|
|
setattr(namespace, self.dest, (0, 0))
|
|
elif len(range) == 1:
|
|
# Only a single value is present
|
|
setattr(namespace, self.dest, (int(range[0]), int(range[0])))
|
|
elif len(range) == 2:
|
|
# Range of two values
|
|
if int(range[0]) <= int(range[1]):
|
|
setattr(namespace, self.dest, (int(range[0]), int(range[1])))
|
|
else:
|
|
msg = "Invalid range, %s is not less than %s" % \
|
|
(range[0], range[1])
|
|
raise argparse.ArgumentError(self, msg)
|
|
else:
|
|
# Too many values
|
|
msg = "Invalid range, too many values"
|
|
raise argparse.ArgumentError(self, msg)
|