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# Copyright 2018 Objectif Libre
#
# 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 inspect
import pbr.version
from keystoneauth1.exceptions import http
from oslo_utils import timeutils
def get_version():
"""Returns cloudkittyclient's version."""
return pbr.version.VersionInfo('python-cloudkittyclient').version_string()
def iso2dt(iso_date):
"""iso8601 format to datetime."""
iso_dt = timeutils.parse_isotime(iso_date)
trans_dt = timeutils.normalize_time(iso_dt)
return trans_dt
def get_client_from_osc(obj):
if hasattr(obj.app, 'client_manager'):
return obj.app.client_manager.rating
return obj.app.client
def dict_to_cols(dict_obj, cols):
"""Converts a dict to a cliff-compatible value list.
For cliff lister.Lister objects, you should use list_to_cols() instead
of this function.
'cols' shouls be a list of (key, Name) tuples.
"""
values = []
for col in cols:
values.append(dict_obj.get(col[0]))
return values
def list_to_cols(list_obj, cols):
if not isinstance(list_obj, list):
list_obj = [list_obj]
values = []
for item in list_obj:
values.append(dict_to_cols(item, cols))
return values
def http_error_formatter(func):
"""This decorator catches Http Errors and re-formats them"""
def wrap(*args, **kwargs):
try:
return func(*args, **kwargs)
except http.HttpError as e:
raise http.HttpError(message=e.response.text,
http_status=e.http_status)
return wrap
def format_http_errors(ignore):
"""Applies ``http_error_formatter`` to all methods of a class.
:param ignore: List of function names to ignore
:type ignore: iterable
"""
def wrap(cls):
def predicate(item):
# This avoids decorating functions of parent classes
return (inspect.isfunction(item)
and item.__name__ not in ignore
and not item.__name__.startswith('_')
and cls.__name__ in item.__qualname__)
for name, func in inspect.getmembers(cls, predicate):
setattr(cls, name, http_error_formatter(func))
return cls
return wrap
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