python-novaclient/novaclient/v2/limits.py
Yikun Jiang 50460bddfc Use utils.prepare_query_string instead of duplicated code
There are some duplicated code in nova client for generating
query string.

The 'prepare_query_string' method can convert dict params to
query string(it transforms the dict to a sequence of two-element
tuples in fixed order, then the encoded string will be consistent
in Python 2&3.)

This patch use utils.prepare_query_string instead of these and
plus some notes in the 'prepare_query_string' method.

Change-Id: Idb3c5e97f8bbcd5ec5446f776c10fa8c84b54d5d
Closes-Bug: 1727968
2017-11-22 13:35:27 +00:00

97 lines
2.9 KiB
Python

# Copyright 2011 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.
from novaclient import base
class Limits(base.Resource):
"""A collection of RateLimit and AbsoluteLimit objects."""
def __repr__(self):
return "<Limits>"
@property
def absolute(self):
for (name, value) in self._info['absolute'].items():
yield AbsoluteLimit(name, value)
@property
def rate(self):
for group in self._info['rate']:
uri = group['uri']
regex = group['regex']
for rate in group['limit']:
yield RateLimit(rate['verb'], uri, regex, rate['value'],
rate['remaining'], rate['unit'],
rate['next-available'])
class RateLimit(object):
"""Data model that represents a flattened view of a single rate limit."""
def __init__(self, verb, uri, regex, value, remain,
unit, next_available):
self.verb = verb
self.uri = uri
self.regex = regex
self.value = value
self.remain = remain
self.unit = unit
self.next_available = next_available
def __eq__(self, other):
return self.uri == other.uri \
and self.regex == other.regex \
and self.value == other.value \
and self.verb == other.verb \
and self.remain == other.remain \
and self.unit == other.unit \
and self.next_available == other.next_available
def __repr__(self):
return "<RateLimit: verb=%s uri=%s>" % (self.verb, self.uri)
class AbsoluteLimit(object):
"""Data model that represents a single absolute limit."""
def __init__(self, name, value):
self.name = name
self.value = value
def __eq__(self, other):
return self.value == other.value and self.name == other.name
def __repr__(self):
return "<AbsoluteLimit: name=%s>" % (self.name)
class LimitsManager(base.Manager):
"""Manager object used to interact with limits resource."""
resource_class = Limits
def get(self, reserved=False, tenant_id=None):
"""
Get a specific extension.
:rtype: :class:`Limits`
"""
opts = {}
if reserved:
opts['reserved'] = 1
if tenant_id:
opts['tenant_id'] = tenant_id
return self._get("/limits", "limits", filters=opts)