75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
# Copyright (c) 2013 OpenStack Foundation
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# Copyright 2014 - Savoir-Faire Linux inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import prettytable
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from surveilclient.openstack.common import importutils
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from oslo.serialization import jsonutils
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# Decorator for cli-args
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def arg(*args, **kwargs):
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def _decorator(func):
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# Because of the semantics of decorator composition if we just append
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# to the options list positional options will appear to be backwards.
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func.__dict__.setdefault('arguments', []).insert(0, (args, kwargs))
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return func
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return _decorator
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def env(*vars, **kwargs):
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"""
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returns the first environment variable set
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if none are non-empty, defaults to '' or keyword arg default
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"""
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for v in vars:
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value = os.environ.get(v, None)
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if value:
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return value
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return kwargs.get('default', '')
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def import_versioned_module(version, submodule=None):
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module = 'surveilclient.v%s' % version
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if submodule:
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module = '.'.join((module, submodule))
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return importutils.import_module(module)
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def json_formatter(js):
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return jsonutils.dumps(js, indent=2, ensure_ascii=False)
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def print_list(objs, fields, field_labels=None, formatters={}, sortby=None):
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field_labels = field_labels or fields
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pt = prettytable.PrettyTable([f for f in field_labels],
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caching=False, print_empty=False)
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pt.align = 'l'
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for o in objs:
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row = []
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for field in fields:
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if field in formatters:
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row.append(formatters[field](o))
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else:
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data = getattr(o, field, None) or ''
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row.append(data)
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pt.add_row(row)
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if sortby is None:
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print(pt.get_string())
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else:
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print(pt.get_string(sortby=field_labels[sortby]))
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