/usr/lib/python2.6/site-packages/keystoneauth1/loading
Edit: /usr/lib/python2.6/site-packages/keystoneauth1/loading/opts.py (3308B)
# 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.
import itertools
import os
try:
from oslo_config import cfg
except ImportError:
cfg = None
from keystoneauth1 import _utils as utils
__all__ = ['Opt']
class Opt(object):
@utils.positional()
def __init__(self,
name,
type=str,
help=None,
secret=False,
dest=None,
deprecated=None,
default=None,
metavar=None,
required=False):
if not callable(type):
raise TypeError('type must be callable')
if dest is None:
dest = name.replace('-', '_')
self.name = name
self.type = type
self.help = help
self.secret = secret
self.required = required
self.dest = dest
self.deprecated = [] if deprecated is None else deprecated
self.default = default
self.metavar = metavar
def __repr__(self):
return '
' % self.name
def _to_oslo_opt(self):
if not cfg:
raise ImportError("oslo.config is not an automatic dependency of "
"keystoneauth. If you wish to use oslo.config "
"you need to import it into your application's "
"requirements file. ")
deprecated_opts = [o._to_oslo_opt() for o in self.deprecated]
return cfg.Opt(name=self.name,
type=self.type,
help=self.help,
secret=self.secret,
required=self.required,
dest=self.dest,
deprecated_opts=deprecated_opts,
metavar=self.metavar)
def __eq__(self, other):
return (type(self) == type(other) and
self.name == other.name and
self.type == other.type and
self.help == other.help and
self.secret == other.secret and
self.required == other.required and
self.dest == other.dest and
self.deprecated == other.deprecated and
self.default == other.default and
self.metavar == other.metavar)
@property
def _all_opts(self):
return itertools.chain([self], self.deprecated)
@property
def argparse_args(self):
return ['--os-%s' % o.name for o in self._all_opts]
@property
def argparse_default(self):
# select the first ENV that is not false-y or return None
for o in self._all_opts:
v = os.environ.get('OS_%s' % o.name.replace('-', '_').upper())
if v:
return v
return self.default