Updated openstack-common
oslo-incubator of rev 2eab986ef3c43f8d1e25065e3cbc1307860c25c7 Updated .gitignore Change-Id: I49fd4ea6020cce8e393efccb994229d40f47f283
This commit is contained in:
parent
4bbeb5488e
commit
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@ -8,6 +8,9 @@
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build/
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dist/
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*.egg-info/
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.tox
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AUTHORS
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ChangeLog
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#Python
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*.pyc
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@ -20,4 +23,4 @@ dist/
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*.sqlite
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#Autogenerated Documentation
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doc/source/api
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doc/source/api
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@ -0,0 +1,17 @@
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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 six
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six.add_move(six.MovedModule('mox', 'mox', 'mox3.mox'))
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# Copyright 2010 Jacob Kaplan-Moss
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# Copyright 2011 OpenStack Foundation
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# Copyright 2012 Grid Dynamics
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# Copyright 2013 OpenStack Foundation
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# All Rights Reserved.
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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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"""
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Base utilities to build API operation managers and objects on top of.
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"""
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# E1102: %s is not callable
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# pylint: disable=E1102
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import abc
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import copy
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import six
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from six.moves.urllib import parse
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from muranoclient.openstack.common.apiclient import exceptions
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from muranoclient.openstack.common import strutils
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def getid(obj):
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"""Return id if argument is a Resource.
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Abstracts the common pattern of allowing both an object or an object's ID
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(UUID) as a parameter when dealing with relationships.
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"""
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try:
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if obj.uuid:
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return obj.uuid
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except AttributeError:
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pass
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try:
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return obj.id
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except AttributeError:
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return obj
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# TODO(aababilov): call run_hooks() in HookableMixin's child classes
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class HookableMixin(object):
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"""Mixin so classes can register and run hooks."""
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_hooks_map = {}
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@classmethod
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def add_hook(cls, hook_type, hook_func):
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"""Add a new hook of specified type.
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:param cls: class that registers hooks
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:param hook_type: hook type, e.g., '__pre_parse_args__'
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:param hook_func: hook function
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"""
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if hook_type not in cls._hooks_map:
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cls._hooks_map[hook_type] = []
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cls._hooks_map[hook_type].append(hook_func)
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@classmethod
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def run_hooks(cls, hook_type, *args, **kwargs):
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"""Run all hooks of specified type.
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:param cls: class that registers hooks
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:param hook_type: hook type, e.g., '__pre_parse_args__'
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:param **args: args to be passed to every hook function
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:param **kwargs: kwargs to be passed to every hook function
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"""
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hook_funcs = cls._hooks_map.get(hook_type) or []
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for hook_func in hook_funcs:
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hook_func(*args, **kwargs)
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class BaseManager(HookableMixin):
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"""Basic manager type providing common operations.
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Managers interact with a particular type of API (servers, flavors, images,
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etc.) and provide CRUD operations for them.
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"""
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resource_class = None
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def __init__(self, client):
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"""Initializes BaseManager with `client`.
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:param client: instance of BaseClient descendant for HTTP requests
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"""
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super(BaseManager, self).__init__()
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self.client = client
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def _list(self, url, response_key, obj_class=None, json=None):
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"""List the collection.
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:param url: a partial URL, e.g., '/servers'
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:param response_key: the key to be looked up in response dictionary,
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e.g., 'servers'
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:param obj_class: class for constructing the returned objects
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(self.resource_class will be used by default)
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:param json: data that will be encoded as JSON and passed in POST
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request (GET will be sent by default)
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"""
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if json:
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body = self.client.post(url, json=json).json()
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else:
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body = self.client.get(url).json()
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if obj_class is None:
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obj_class = self.resource_class
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data = body[response_key]
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# NOTE(ja): keystone returns values as list as {'values': [ ... ]}
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# unlike other services which just return the list...
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try:
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data = data['values']
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except (KeyError, TypeError):
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pass
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return [obj_class(self, res, loaded=True) for res in data if res]
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def _get(self, url, response_key):
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"""Get an object from collection.
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:param url: a partial URL, e.g., '/servers'
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:param response_key: the key to be looked up in response dictionary,
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e.g., 'server'
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"""
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body = self.client.get(url).json()
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return self.resource_class(self, body[response_key], loaded=True)
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def _head(self, url):
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"""Retrieve request headers for an object.
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:param url: a partial URL, e.g., '/servers'
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"""
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resp = self.client.head(url)
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return resp.status_code == 204
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def _post(self, url, json, response_key, return_raw=False):
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"""Create an object.
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:param url: a partial URL, e.g., '/servers'
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:param json: data that will be encoded as JSON and passed in POST
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request (GET will be sent by default)
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:param response_key: the key to be looked up in response dictionary,
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e.g., 'servers'
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:param return_raw: flag to force returning raw JSON instead of
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Python object of self.resource_class
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"""
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body = self.client.post(url, json=json).json()
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if return_raw:
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return body[response_key]
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return self.resource_class(self, body[response_key])
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def _put(self, url, json=None, response_key=None):
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"""Update an object with PUT method.
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:param url: a partial URL, e.g., '/servers'
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:param json: data that will be encoded as JSON and passed in POST
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request (GET will be sent by default)
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:param response_key: the key to be looked up in response dictionary,
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e.g., 'servers'
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"""
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resp = self.client.put(url, json=json)
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# PUT requests may not return a body
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if resp.content:
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body = resp.json()
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if response_key is not None:
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return self.resource_class(self, body[response_key])
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else:
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return self.resource_class(self, body)
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def _patch(self, url, json=None, response_key=None):
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"""Update an object with PATCH method.
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:param url: a partial URL, e.g., '/servers'
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:param json: data that will be encoded as JSON and passed in POST
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request (GET will be sent by default)
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:param response_key: the key to be looked up in response dictionary,
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e.g., 'servers'
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"""
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body = self.client.patch(url, json=json).json()
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if response_key is not None:
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return self.resource_class(self, body[response_key])
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else:
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return self.resource_class(self, body)
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def _delete(self, url):
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"""Delete an object.
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:param url: a partial URL, e.g., '/servers/my-server'
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"""
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return self.client.delete(url)
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@six.add_metaclass(abc.ABCMeta)
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class ManagerWithFind(BaseManager):
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"""Manager with additional `find()`/`findall()` methods."""
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@abc.abstractmethod
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def list(self):
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pass
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def find(self, **kwargs):
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"""Find a single item with attributes matching ``**kwargs``.
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This isn't very efficient: it loads the entire list then filters on
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the Python side.
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"""
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matches = self.findall(**kwargs)
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num_matches = len(matches)
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if num_matches == 0:
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msg = "No %s matching %s." % (self.resource_class.__name__, kwargs)
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raise exceptions.NotFound(msg)
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elif num_matches > 1:
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raise exceptions.NoUniqueMatch()
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else:
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return matches[0]
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def findall(self, **kwargs):
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"""Find all items with attributes matching ``**kwargs``.
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This isn't very efficient: it loads the entire list then filters on
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the Python side.
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"""
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found = []
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searches = kwargs.items()
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for obj in self.list():
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try:
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if all(getattr(obj, attr) == value
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for (attr, value) in searches):
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found.append(obj)
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except AttributeError:
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continue
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return found
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class CrudManager(BaseManager):
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"""Base manager class for manipulating entities.
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Children of this class are expected to define a `collection_key` and `key`.
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- `collection_key`: Usually a plural noun by convention (e.g. `entities`);
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used to refer collections in both URL's (e.g. `/v3/entities`) and JSON
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objects containing a list of member resources (e.g. `{'entities': [{},
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{}, {}]}`).
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- `key`: Usually a singular noun by convention (e.g. `entity`); used to
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refer to an individual member of the collection.
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"""
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collection_key = None
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key = None
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def build_url(self, base_url=None, **kwargs):
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"""Builds a resource URL for the given kwargs.
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Given an example collection where `collection_key = 'entities'` and
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`key = 'entity'`, the following URL's could be generated.
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By default, the URL will represent a collection of entities, e.g.::
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/entities
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If kwargs contains an `entity_id`, then the URL will represent a
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specific member, e.g.::
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/entities/{entity_id}
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:param base_url: if provided, the generated URL will be appended to it
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"""
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url = base_url if base_url is not None else ''
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url += '/%s' % self.collection_key
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# do we have a specific entity?
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entity_id = kwargs.get('%s_id' % self.key)
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if entity_id is not None:
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url += '/%s' % entity_id
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return url
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def _filter_kwargs(self, kwargs):
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"""Drop null values and handle ids."""
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for key, ref in six.iteritems(kwargs.copy()):
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if ref is None:
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kwargs.pop(key)
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else:
|
||||
if isinstance(ref, Resource):
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kwargs.pop(key)
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kwargs['%s_id' % key] = getid(ref)
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return kwargs
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def create(self, **kwargs):
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||||
kwargs = self._filter_kwargs(kwargs)
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||||
return self._post(
|
||||
self.build_url(**kwargs),
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||||
{self.key: kwargs},
|
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self.key)
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||||
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||||
def get(self, **kwargs):
|
||||
kwargs = self._filter_kwargs(kwargs)
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||||
return self._get(
|
||||
self.build_url(**kwargs),
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||||
self.key)
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||||
|
||||
def head(self, **kwargs):
|
||||
kwargs = self._filter_kwargs(kwargs)
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||||
return self._head(self.build_url(**kwargs))
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||||
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||||
def list(self, base_url=None, **kwargs):
|
||||
"""List the collection.
|
||||
|
||||
:param base_url: if provided, the generated URL will be appended to it
|
||||
"""
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
|
||||
return self._list(
|
||||
'%(base_url)s%(query)s' % {
|
||||
'base_url': self.build_url(base_url=base_url, **kwargs),
|
||||
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
|
||||
},
|
||||
self.collection_key)
|
||||
|
||||
def put(self, base_url=None, **kwargs):
|
||||
"""Update an element.
|
||||
|
||||
:param base_url: if provided, the generated URL will be appended to it
|
||||
"""
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
|
||||
return self._put(self.build_url(base_url=base_url, **kwargs))
|
||||
|
||||
def update(self, **kwargs):
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
params = kwargs.copy()
|
||||
params.pop('%s_id' % self.key)
|
||||
|
||||
return self._patch(
|
||||
self.build_url(**kwargs),
|
||||
{self.key: params},
|
||||
self.key)
|
||||
|
||||
def delete(self, **kwargs):
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
|
||||
return self._delete(
|
||||
self.build_url(**kwargs))
|
||||
|
||||
def find(self, base_url=None, **kwargs):
|
||||
"""Find a single item with attributes matching ``**kwargs``.
|
||||
|
||||
:param base_url: if provided, the generated URL will be appended to it
|
||||
"""
|
||||
kwargs = self._filter_kwargs(kwargs)
|
||||
|
||||
rl = self._list(
|
||||
'%(base_url)s%(query)s' % {
|
||||
'base_url': self.build_url(base_url=base_url, **kwargs),
|
||||
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
|
||||
},
|
||||
self.collection_key)
|
||||
num = len(rl)
|
||||
|
||||
if num == 0:
|
||||
msg = "No %s matching %s." % (self.resource_class.__name__, kwargs)
|
||||
raise exceptions.NotFound(404, msg)
|
||||
elif num > 1:
|
||||
raise exceptions.NoUniqueMatch
|
||||
else:
|
||||
return rl[0]
|
||||
|
||||
|
||||
class Extension(HookableMixin):
|
||||
"""Extension descriptor."""
|
||||
|
||||
SUPPORTED_HOOKS = ('__pre_parse_args__', '__post_parse_args__')
|
||||
manager_class = None
|
||||
|
||||
def __init__(self, name, module):
|
||||
super(Extension, self).__init__()
|
||||
self.name = name
|
||||
self.module = module
|
||||
self._parse_extension_module()
|
||||
|
||||
def _parse_extension_module(self):
|
||||
self.manager_class = None
|
||||
for attr_name, attr_value in self.module.__dict__.items():
|
||||
if attr_name in self.SUPPORTED_HOOKS:
|
||||
self.add_hook(attr_name, attr_value)
|
||||
else:
|
||||
try:
|
||||
if issubclass(attr_value, BaseManager):
|
||||
self.manager_class = attr_value
|
||||
except TypeError:
|
||||
pass
|
||||
|
||||
def __repr__(self):
|
||||
return "<Extension '%s'>" % self.name
|
||||
|
||||
|
||||
class Resource(object):
|
||||
"""Base class for OpenStack resources (tenant, user, etc.).
|
||||
|
||||
This is pretty much just a bag for attributes.
|
||||
"""
|
||||
|
||||
HUMAN_ID = False
|
||||
NAME_ATTR = 'name'
|
||||
|
||||
def __init__(self, manager, info, loaded=False):
|
||||
"""Populate and bind to a manager.
|
||||
|
||||
:param manager: BaseManager object
|
||||
:param info: dictionary representing resource attributes
|
||||
:param loaded: prevent lazy-loading if set to True
|
||||
"""
|
||||
self.manager = manager
|
||||
self._info = info
|
||||
self._add_details(info)
|
||||
self._loaded = loaded
|
||||
|
||||
def __repr__(self):
|
||||
reprkeys = sorted(k
|
||||
for k in self.__dict__.keys()
|
||||
if k[0] != '_' and k != 'manager')
|
||||
info = ", ".join("%s=%s" % (k, getattr(self, k)) for k in reprkeys)
|
||||
return "<%s %s>" % (self.__class__.__name__, info)
|
||||
|
||||
@property
|
||||
def human_id(self):
|
||||
"""Human-readable ID which can be used for bash completion.
|
||||
"""
|
||||
if self.NAME_ATTR in self.__dict__ and self.HUMAN_ID:
|
||||
return strutils.to_slug(getattr(self, self.NAME_ATTR))
|
||||
return None
|
||||
|
||||
def _add_details(self, info):
|
||||
for (k, v) in six.iteritems(info):
|
||||
try:
|
||||
setattr(self, k, v)
|
||||
self._info[k] = v
|
||||
except AttributeError:
|
||||
# In this case we already defined the attribute on the class
|
||||
pass
|
||||
|
||||
def __getattr__(self, k):
|
||||
if k not in self.__dict__:
|
||||
#NOTE(bcwaldon): disallow lazy-loading if already loaded once
|
||||
if not self.is_loaded():
|
||||
self.get()
|
||||
return self.__getattr__(k)
|
||||
|
||||
raise AttributeError(k)
|
||||
else:
|
||||
return self.__dict__[k]
|
||||
|
||||
def get(self):
|
||||
"""Support for lazy loading details.
|
||||
|
||||
Some clients, such as novaclient have the option to lazy load the
|
||||
details, details which can be loaded with this function.
|
||||
"""
|
||||
# set_loaded() first ... so if we have to bail, we know we tried.
|
||||
self.set_loaded(True)
|
||||
if not hasattr(self.manager, 'get'):
|
||||
return
|
||||
|
||||
new = self.manager.get(self.id)
|
||||
if new:
|
||||
self._add_details(new._info)
|
||||
|
||||
def __eq__(self, other):
|
||||
if not isinstance(other, Resource):
|
||||
return NotImplemented
|
||||
# two resources of different types are not equal
|
||||
if not isinstance(other, self.__class__):
|
||||
return False
|
||||
if hasattr(self, 'id') and hasattr(other, 'id'):
|
||||
return self.id == other.id
|
||||
return self._info == other._info
|
||||
|
||||
def is_loaded(self):
|
||||
return self._loaded
|
||||
|
||||
def set_loaded(self, val):
|
||||
self._loaded = val
|
||||
|
||||
def to_dict(self):
|
||||
return copy.deepcopy(self._info)
|
|
@ -0,0 +1,459 @@
|
|||
# Copyright 2010 Jacob Kaplan-Moss
|
||||
# Copyright 2011 Nebula, Inc.
|
||||
# Copyright 2013 Alessio Ababilov
|
||||
# Copyright 2013 OpenStack Foundation
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# 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.
|
||||
|
||||
"""
|
||||
Exception definitions.
|
||||
"""
|
||||
|
||||
import inspect
|
||||
import sys
|
||||
|
||||
import six
|
||||
|
||||
|
||||
class ClientException(Exception):
|
||||
"""The base exception class for all exceptions this library raises.
|
||||
"""
|
||||
pass
|
||||
|
||||
|
||||
class MissingArgs(ClientException):
|
||||
"""Supplied arguments are not sufficient for calling a function."""
|
||||
def __init__(self, missing):
|
||||
self.missing = missing
|
||||
msg = "Missing argument(s): %s" % ", ".join(missing)
|
||||
super(MissingArgs, self).__init__(msg)
|
||||
|
||||
|
||||
class ValidationError(ClientException):
|
||||
"""Error in validation on API client side."""
|
||||
pass
|
||||
|
||||
|
||||
class UnsupportedVersion(ClientException):
|
||||
"""User is trying to use an unsupported version of the API."""
|
||||
pass
|
||||
|
||||
|
||||
class CommandError(ClientException):
|
||||
"""Error in CLI tool."""
|
||||
pass
|
||||
|
||||
|
||||
class AuthorizationFailure(ClientException):
|
||||
"""Cannot authorize API client."""
|
||||
pass
|
||||
|
||||
|
||||
class ConnectionRefused(ClientException):
|
||||
"""Cannot connect to API service."""
|
||||
pass
|
||||
|
||||
|
||||
class AuthPluginOptionsMissing(AuthorizationFailure):
|
||||
"""Auth plugin misses some options."""
|
||||
def __init__(self, opt_names):
|
||||
super(AuthPluginOptionsMissing, self).__init__(
|
||||
"Authentication failed. Missing options: %s" %
|
||||
", ".join(opt_names))
|
||||
self.opt_names = opt_names
|
||||
|
||||
|
||||
class AuthSystemNotFound(AuthorizationFailure):
|
||||
"""User has specified a AuthSystem that is not installed."""
|
||||
def __init__(self, auth_system):
|
||||
super(AuthSystemNotFound, self).__init__(
|
||||
"AuthSystemNotFound: %s" % repr(auth_system))
|
||||
self.auth_system = auth_system
|
||||
|
||||
|
||||
class NoUniqueMatch(ClientException):
|
||||
"""Multiple entities found instead of one."""
|
||||
pass
|
||||
|
||||
|
||||
class EndpointException(ClientException):
|
||||
"""Something is rotten in Service Catalog."""
|
||||
pass
|
||||
|
||||
|
||||
class EndpointNotFound(EndpointException):
|
||||
"""Could not find requested endpoint in Service Catalog."""
|
||||
pass
|
||||
|
||||
|
||||
class AmbiguousEndpoints(EndpointException):
|
||||
"""Found more than one matching endpoint in Service Catalog."""
|
||||
def __init__(self, endpoints=None):
|
||||
super(AmbiguousEndpoints, self).__init__(
|
||||
"AmbiguousEndpoints: %s" % repr(endpoints))
|
||||
self.endpoints = endpoints
|
||||
|
||||
|
||||
class HttpError(ClientException):
|
||||
"""The base exception class for all HTTP exceptions.
|
||||
"""
|
||||
http_status = 0
|
||||
message = "HTTP Error"
|
||||
|
||||
def __init__(self, message=None, details=None,
|
||||
response=None, request_id=None,
|
||||
url=None, method=None, http_status=None):
|
||||
self.http_status = http_status or self.http_status
|
||||
self.message = message or self.message
|
||||
self.details = details
|
||||
self.request_id = request_id
|
||||
self.response = response
|
||||
self.url = url
|
||||
self.method = method
|
||||
formatted_string = "%s (HTTP %s)" % (self.message, self.http_status)
|
||||
if request_id:
|
||||
formatted_string += " (Request-ID: %s)" % request_id
|
||||
super(HttpError, self).__init__(formatted_string)
|
||||
|
||||
|
||||
class HTTPRedirection(HttpError):
|
||||
"""HTTP Redirection."""
|
||||
message = "HTTP Redirection"
|
||||
|
||||
|
||||
class HTTPClientError(HttpError):
|
||||
"""Client-side HTTP error.
|
||||
|
||||
Exception for cases in which the client seems to have erred.
|
||||
"""
|
||||
message = "HTTP Client Error"
|
||||
|
||||
|
||||
class HttpServerError(HttpError):
|
||||
"""Server-side HTTP error.
|
||||
|
||||
Exception for cases in which the server is aware that it has
|
||||
erred or is incapable of performing the request.
|
||||
"""
|
||||
message = "HTTP Server Error"
|
||||
|
||||
|
||||
class MultipleChoices(HTTPRedirection):
|
||||
"""HTTP 300 - Multiple Choices.
|
||||
|
||||
Indicates multiple options for the resource that the client may follow.
|
||||
"""
|
||||
|
||||
http_status = 300
|
||||
message = "Multiple Choices"
|
||||
|
||||
|
||||
class BadRequest(HTTPClientError):
|
||||
"""HTTP 400 - Bad Request.
|
||||
|
||||
The request cannot be fulfilled due to bad syntax.
|
||||
"""
|
||||
http_status = 400
|
||||
message = "Bad Request"
|
||||
|
||||
|
||||
class Unauthorized(HTTPClientError):
|
||||
"""HTTP 401 - Unauthorized.
|
||||
|
||||
Similar to 403 Forbidden, but specifically for use when authentication
|
||||
is required and has failed or has not yet been provided.
|
||||
"""
|
||||
http_status = 401
|
||||
message = "Unauthorized"
|
||||
|
||||
|
||||
class PaymentRequired(HTTPClientError):
|
||||
"""HTTP 402 - Payment Required.
|
||||
|
||||
Reserved for future use.
|
||||
"""
|
||||
http_status = 402
|
||||
message = "Payment Required"
|
||||
|
||||
|
||||
class Forbidden(HTTPClientError):
|
||||
"""HTTP 403 - Forbidden.
|
||||
|
||||
The request was a valid request, but the server is refusing to respond
|
||||
to it.
|
||||
"""
|
||||
http_status = 403
|
||||
message = "Forbidden"
|
||||
|
||||
|
||||
class NotFound(HTTPClientError):
|
||||
"""HTTP 404 - Not Found.
|
||||
|
||||
The requested resource could not be found but may be available again
|
||||
in the future.
|
||||
"""
|
||||
http_status = 404
|
||||
message = "Not Found"
|
||||
|
||||
|
||||
class MethodNotAllowed(HTTPClientError):
|
||||
"""HTTP 405 - Method Not Allowed.
|
||||
|
||||
A request was made of a resource using a request method not supported
|
||||
by that resource.
|
||||
"""
|
||||
http_status = 405
|
||||
message = "Method Not Allowed"
|
||||
|
||||
|
||||
class NotAcceptable(HTTPClientError):
|
||||
"""HTTP 406 - Not Acceptable.
|
||||
|
||||
The requested resource is only capable of generating content not
|
||||
acceptable according to the Accept headers sent in the request.
|
||||
"""
|
||||
http_status = 406
|
||||
message = "Not Acceptable"
|
||||
|
||||
|
||||
class ProxyAuthenticationRequired(HTTPClientError):
|
||||
"""HTTP 407 - Proxy Authentication Required.
|
||||
|
||||
The client must first authenticate itself with the proxy.
|
||||
"""
|
||||
http_status = 407
|
||||
message = "Proxy Authentication Required"
|
||||
|
||||
|
||||
class RequestTimeout(HTTPClientError):
|
||||
"""HTTP 408 - Request Timeout.
|
||||
|
||||
The server timed out waiting for the request.
|
||||
"""
|
||||
http_status = 408
|
||||
message = "Request Timeout"
|
||||
|
||||
|
||||
class Conflict(HTTPClientError):
|
||||
"""HTTP 409 - Conflict.
|
||||
|
||||
Indicates that the request could not be processed because of conflict
|
||||
in the request, such as an edit conflict.
|
||||
"""
|
||||
http_status = 409
|
||||
message = "Conflict"
|
||||
|
||||
|
||||
class Gone(HTTPClientError):
|
||||
"""HTTP 410 - Gone.
|
||||
|
||||
Indicates that the resource requested is no longer available and will
|
||||
not be available again.
|
||||
"""
|
||||
http_status = 410
|
||||
message = "Gone"
|
||||
|
||||
|
||||
class LengthRequired(HTTPClientError):
|
||||
"""HTTP 411 - Length Required.
|
||||
|
||||
The request did not specify the length of its content, which is
|
||||
required by the requested resource.
|
||||
"""
|
||||
http_status = 411
|
||||
message = "Length Required"
|
||||
|
||||
|
||||
class PreconditionFailed(HTTPClientError):
|
||||
"""HTTP 412 - Precondition Failed.
|
||||
|
||||
The server does not meet one of the preconditions that the requester
|
||||
put on the request.
|
||||
"""
|
||||
http_status = 412
|
||||
message = "Precondition Failed"
|
||||
|
||||
|
||||
class RequestEntityTooLarge(HTTPClientError):
|
||||
"""HTTP 413 - Request Entity Too Large.
|
||||
|
||||
The request is larger than the server is willing or able to process.
|
||||
"""
|
||||
http_status = 413
|
||||
message = "Request Entity Too Large"
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
try:
|
||||
self.retry_after = int(kwargs.pop('retry_after'))
|
||||
except (KeyError, ValueError):
|
||||
self.retry_after = 0
|
||||
|
||||
super(RequestEntityTooLarge, self).__init__(*args, **kwargs)
|
||||
|
||||
|
||||
class RequestUriTooLong(HTTPClientError):
|
||||
"""HTTP 414 - Request-URI Too Long.
|
||||
|
||||
The URI provided was too long for the server to process.
|
||||
"""
|
||||
http_status = 414
|
||||
message = "Request-URI Too Long"
|
||||
|
||||
|
||||
class UnsupportedMediaType(HTTPClientError):
|
||||
"""HTTP 415 - Unsupported Media Type.
|
||||
|
||||
The request entity has a media type which the server or resource does
|
||||
not support.
|
||||
"""
|
||||
http_status = 415
|
||||
message = "Unsupported Media Type"
|
||||
|
||||
|
||||
class RequestedRangeNotSatisfiable(HTTPClientError):
|
||||
"""HTTP 416 - Requested Range Not Satisfiable.
|
||||
|
||||
The client has asked for a portion of the file, but the server cannot
|
||||
supply that portion.
|
||||
"""
|
||||
http_status = 416
|
||||
message = "Requested Range Not Satisfiable"
|
||||
|
||||
|
||||
class ExpectationFailed(HTTPClientError):
|
||||
"""HTTP 417 - Expectation Failed.
|
||||
|
||||
The server cannot meet the requirements of the Expect request-header field.
|
||||
"""
|
||||
http_status = 417
|
||||
message = "Expectation Failed"
|
||||
|
||||
|
||||
class UnprocessableEntity(HTTPClientError):
|
||||
"""HTTP 422 - Unprocessable Entity.
|
||||
|
||||
The request was well-formed but was unable to be followed due to semantic
|
||||
errors.
|
||||
"""
|
||||
http_status = 422
|
||||
message = "Unprocessable Entity"
|
||||
|
||||
|
||||
class InternalServerError(HttpServerError):
|
||||
"""HTTP 500 - Internal Server Error.
|
||||
|
||||
A generic error message, given when no more specific message is suitable.
|
||||
"""
|
||||
http_status = 500
|
||||
message = "Internal Server Error"
|
||||
|
||||
|
||||
# NotImplemented is a python keyword.
|
||||
class HttpNotImplemented(HttpServerError):
|
||||
"""HTTP 501 - Not Implemented.
|
||||
|
||||
The server either does not recognize the request method, or it lacks
|
||||
the ability to fulfill the request.
|
||||
"""
|
||||
http_status = 501
|
||||
message = "Not Implemented"
|
||||
|
||||
|
||||
class BadGateway(HttpServerError):
|
||||
"""HTTP 502 - Bad Gateway.
|
||||
|
||||
The server was acting as a gateway or proxy and received an invalid
|
||||
response from the upstream server.
|
||||
"""
|
||||
http_status = 502
|
||||
message = "Bad Gateway"
|
||||
|
||||
|
||||
class ServiceUnavailable(HttpServerError):
|
||||
"""HTTP 503 - Service Unavailable.
|
||||
|
||||
The server is currently unavailable.
|
||||
"""
|
||||
http_status = 503
|
||||
message = "Service Unavailable"
|
||||
|
||||
|
||||
class GatewayTimeout(HttpServerError):
|
||||
"""HTTP 504 - Gateway Timeout.
|
||||
|
||||
The server was acting as a gateway or proxy and did not receive a timely
|
||||
response from the upstream server.
|
||||
"""
|
||||
http_status = 504
|
||||
message = "Gateway Timeout"
|
||||
|
||||
|
||||
class HttpVersionNotSupported(HttpServerError):
|
||||
"""HTTP 505 - HttpVersion Not Supported.
|
||||
|
||||
The server does not support the HTTP protocol version used in the request.
|
||||
"""
|
||||
http_status = 505
|
||||
message = "HTTP Version Not Supported"
|
||||
|
||||
|
||||
# _code_map contains all the classes that have http_status attribute.
|
||||
_code_map = dict(
|
||||
(getattr(obj, 'http_status', None), obj)
|
||||
for name, obj in six.iteritems(vars(sys.modules[__name__]))
|
||||
if inspect.isclass(obj) and getattr(obj, 'http_status', False)
|
||||
)
|
||||
|
||||
|
||||
def from_response(response, method, url):
|
||||
"""Returns an instance of :class:`HttpError` or subclass based on response.
|
||||
|
||||
:param response: instance of `requests.Response` class
|
||||
:param method: HTTP method used for request
|
||||
:param url: URL used for request
|
||||
"""
|
||||
kwargs = {
|
||||
"http_status": response.status_code,
|
||||
"response": response,
|
||||
"method": method,
|
||||
"url": url,
|
||||
"request_id": response.headers.get("x-compute-request-id"),
|
||||
}
|
||||
if "retry-after" in response.headers:
|
||||
kwargs["retry_after"] = response.headers["retry-after"]
|
||||
|
||||
content_type = response.headers.get("Content-Type", "")
|
||||
if content_type.startswith("application/json"):
|
||||
try:
|
||||
body = response.json()
|
||||
except ValueError:
|
||||
pass
|
||||
else:
|
||||
if isinstance(body, dict):
|
||||
error = list(body.values())[0]
|
||||
kwargs["message"] = error.get("message")
|
||||
kwargs["details"] = error.get("details")
|
||||
elif content_type.startswith("text/"):
|
||||
kwargs["details"] = response.text
|
||||
|
||||
try:
|
||||
cls = _code_map[response.status_code]
|
||||
except KeyError:
|
||||
if 500 <= response.status_code < 600:
|
||||
cls = HttpServerError
|
||||
elif 400 <= response.status_code < 500:
|
||||
cls = HTTPClientError
|
||||
else:
|
||||
cls = HttpError
|
||||
return cls(**kwargs)
|
|
@ -1,5 +1,3 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2012 Red Hat, Inc.
|
||||
# Copyright 2013 IBM Corp.
|
||||
# All Rights Reserved.
|
||||
|
@ -21,27 +19,78 @@ gettext for openstack-common modules.
|
|||
|
||||
Usual usage in an openstack.common module:
|
||||
|
||||
from openstack.common.gettextutils import _
|
||||
from muranoclient.openstack.common.gettextutils import _
|
||||
"""
|
||||
|
||||
import copy
|
||||
import functools
|
||||
import gettext
|
||||
import logging.handlers
|
||||
import locale
|
||||
from logging import handlers
|
||||
import os
|
||||
import re
|
||||
import UserString
|
||||
|
||||
from babel import localedata
|
||||
import six
|
||||
|
||||
_localedir = os.environ.get('oslo'.upper() + '_LOCALEDIR')
|
||||
_t = gettext.translation('oslo', localedir=_localedir, fallback=True)
|
||||
_localedir = os.environ.get('muranoclient'.upper() + '_LOCALEDIR')
|
||||
_t = gettext.translation('muranoclient', localedir=_localedir, fallback=True)
|
||||
|
||||
_AVAILABLE_LANGUAGES = []
|
||||
# We use separate translation catalogs for each log level, so set up a
|
||||
# mapping between the log level name and the translator. The domain
|
||||
# for the log level is project_name + "-log-" + log_level so messages
|
||||
# for each level end up in their own catalog.
|
||||
_t_log_levels = dict(
|
||||
(level, gettext.translation('muranoclient' + '-log-' + level,
|
||||
localedir=_localedir,
|
||||
fallback=True))
|
||||
for level in ['info', 'warning', 'error', 'critical']
|
||||
)
|
||||
|
||||
_AVAILABLE_LANGUAGES = {}
|
||||
USE_LAZY = False
|
||||
|
||||
|
||||
def enable_lazy():
|
||||
"""Convenience function for configuring _() to use lazy gettext
|
||||
|
||||
Call this at the start of execution to enable the gettextutils._
|
||||
function to use lazy gettext functionality. This is useful if
|
||||
your project is importing _ directly instead of using the
|
||||
gettextutils.install() way of importing the _ function.
|
||||
"""
|
||||
global USE_LAZY
|
||||
USE_LAZY = True
|
||||
|
||||
|
||||
def _(msg):
|
||||
return _t.ugettext(msg)
|
||||
if USE_LAZY:
|
||||
return Message(msg, domain='muranoclient')
|
||||
else:
|
||||
if six.PY3:
|
||||
return _t.gettext(msg)
|
||||
return _t.ugettext(msg)
|
||||
|
||||
|
||||
def _log_translation(msg, level):
|
||||
"""Build a single translation of a log message
|
||||
"""
|
||||
if USE_LAZY:
|
||||
return Message(msg, domain='muranoclient' + '-log-' + level)
|
||||
else:
|
||||
translator = _t_log_levels[level]
|
||||
if six.PY3:
|
||||
return translator.gettext(msg)
|
||||
return translator.ugettext(msg)
|
||||
|
||||
# Translators for log levels.
|
||||
#
|
||||
# The abbreviated names are meant to reflect the usual use of a short
|
||||
# name like '_'. The "L" is for "log" and the other letter comes from
|
||||
# the level.
|
||||
_LI = functools.partial(_log_translation, level='info')
|
||||
_LW = functools.partial(_log_translation, level='warning')
|
||||
_LE = functools.partial(_log_translation, level='error')
|
||||
_LC = functools.partial(_log_translation, level='critical')
|
||||
|
||||
|
||||
def install(domain, lazy=False):
|
||||
|
@ -69,11 +118,6 @@ def install(domain, lazy=False):
|
|||
# messages in OpenStack. We override the standard _() function
|
||||
# and % (format string) operation to build Message objects that can
|
||||
# later be translated when we have more information.
|
||||
#
|
||||
# Also included below is an example LocaleHandler that translates
|
||||
# Messages to an associated locale, effectively allowing many logs,
|
||||
# each with their own locale.
|
||||
|
||||
def _lazy_gettext(msg):
|
||||
"""Create and return a Message object.
|
||||
|
||||
|
@ -84,159 +128,159 @@ def install(domain, lazy=False):
|
|||
Message encapsulates a string so that we can translate
|
||||
it later when needed.
|
||||
"""
|
||||
return Message(msg, domain)
|
||||
return Message(msg, domain=domain)
|
||||
|
||||
import __builtin__
|
||||
__builtin__.__dict__['_'] = _lazy_gettext
|
||||
from six import moves
|
||||
moves.builtins.__dict__['_'] = _lazy_gettext
|
||||
else:
|
||||
localedir = '%s_LOCALEDIR' % domain.upper()
|
||||
gettext.install(domain,
|
||||
localedir=os.environ.get(localedir),
|
||||
unicode=True)
|
||||
|
||||
|
||||
class Message(UserString.UserString, object):
|
||||
"""Class used to encapsulate translatable messages."""
|
||||
def __init__(self, msg, domain):
|
||||
# _msg is the gettext msgid and should never change
|
||||
self._msg = msg
|
||||
self._left_extra_msg = ''
|
||||
self._right_extra_msg = ''
|
||||
self.params = None
|
||||
self.locale = None
|
||||
self.domain = domain
|
||||
|
||||
@property
|
||||
def data(self):
|
||||
# NOTE(mrodden): this should always resolve to a unicode string
|
||||
# that best represents the state of the message currently
|
||||
|
||||
localedir = os.environ.get(self.domain.upper() + '_LOCALEDIR')
|
||||
if self.locale:
|
||||
lang = gettext.translation(self.domain,
|
||||
localedir=localedir,
|
||||
languages=[self.locale],
|
||||
fallback=True)
|
||||
if six.PY3:
|
||||
gettext.install(domain,
|
||||
localedir=os.environ.get(localedir))
|
||||
else:
|
||||
# use system locale for translations
|
||||
lang = gettext.translation(self.domain,
|
||||
localedir=localedir,
|
||||
fallback=True)
|
||||
gettext.install(domain,
|
||||
localedir=os.environ.get(localedir),
|
||||
unicode=True)
|
||||
|
||||
full_msg = (self._left_extra_msg +
|
||||
lang.ugettext(self._msg) +
|
||||
self._right_extra_msg)
|
||||
|
||||
if self.params is not None:
|
||||
full_msg = full_msg % self.params
|
||||
class Message(six.text_type):
|
||||
"""A Message object is a unicode object that can be translated.
|
||||
|
||||
return six.text_type(full_msg)
|
||||
Translation of Message is done explicitly using the translate() method.
|
||||
For all non-translation intents and purposes, a Message is simply unicode,
|
||||
and can be treated as such.
|
||||
"""
|
||||
|
||||
def _save_dictionary_parameter(self, dict_param):
|
||||
full_msg = self.data
|
||||
# look for %(blah) fields in string;
|
||||
# ignore %% and deal with the
|
||||
# case where % is first character on the line
|
||||
keys = re.findall('(?:[^%]|^)?%\((\w*)\)[a-z]', full_msg)
|
||||
def __new__(cls, msgid, msgtext=None, params=None,
|
||||
domain='muranoclient', *args):
|
||||
"""Create a new Message object.
|
||||
|
||||
# if we don't find any %(blah) blocks but have a %s
|
||||
if not keys and re.findall('(?:[^%]|^)%[a-z]', full_msg):
|
||||
# apparently the full dictionary is the parameter
|
||||
params = copy.deepcopy(dict_param)
|
||||
In order for translation to work gettext requires a message ID, this
|
||||
msgid will be used as the base unicode text. It is also possible
|
||||
for the msgid and the base unicode text to be different by passing
|
||||
the msgtext parameter.
|
||||
"""
|
||||
# If the base msgtext is not given, we use the default translation
|
||||
# of the msgid (which is in English) just in case the system locale is
|
||||
# not English, so that the base text will be in that locale by default.
|
||||
if not msgtext:
|
||||
msgtext = Message._translate_msgid(msgid, domain)
|
||||
# We want to initialize the parent unicode with the actual object that
|
||||
# would have been plain unicode if 'Message' was not enabled.
|
||||
msg = super(Message, cls).__new__(cls, msgtext)
|
||||
msg.msgid = msgid
|
||||
msg.domain = domain
|
||||
msg.params = params
|
||||
return msg
|
||||
|
||||
def translate(self, desired_locale=None):
|
||||
"""Translate this message to the desired locale.
|
||||
|
||||
:param desired_locale: The desired locale to translate the message to,
|
||||
if no locale is provided the message will be
|
||||
translated to the system's default locale.
|
||||
|
||||
:returns: the translated message in unicode
|
||||
"""
|
||||
|
||||
translated_message = Message._translate_msgid(self.msgid,
|
||||
self.domain,
|
||||
desired_locale)
|
||||
if self.params is None:
|
||||
# No need for more translation
|
||||
return translated_message
|
||||
|
||||
# This Message object may have been formatted with one or more
|
||||
# Message objects as substitution arguments, given either as a single
|
||||
# argument, part of a tuple, or as one or more values in a dictionary.
|
||||
# When translating this Message we need to translate those Messages too
|
||||
translated_params = _translate_args(self.params, desired_locale)
|
||||
|
||||
translated_message = translated_message % translated_params
|
||||
|
||||
return translated_message
|
||||
|
||||
@staticmethod
|
||||
def _translate_msgid(msgid, domain, desired_locale=None):
|
||||
if not desired_locale:
|
||||
system_locale = locale.getdefaultlocale()
|
||||
# If the system locale is not available to the runtime use English
|
||||
if not system_locale[0]:
|
||||
desired_locale = 'en_US'
|
||||
else:
|
||||
desired_locale = system_locale[0]
|
||||
|
||||
locale_dir = os.environ.get(domain.upper() + '_LOCALEDIR')
|
||||
lang = gettext.translation(domain,
|
||||
localedir=locale_dir,
|
||||
languages=[desired_locale],
|
||||
fallback=True)
|
||||
if six.PY3:
|
||||
translator = lang.gettext
|
||||
else:
|
||||
params = {}
|
||||
for key in keys:
|
||||
try:
|
||||
params[key] = copy.deepcopy(dict_param[key])
|
||||
except TypeError:
|
||||
# cast uncopyable thing to unicode string
|
||||
params[key] = unicode(dict_param[key])
|
||||
translator = lang.ugettext
|
||||
|
||||
return params
|
||||
|
||||
def _save_parameters(self, other):
|
||||
# we check for None later to see if
|
||||
# we actually have parameters to inject,
|
||||
# so encapsulate if our parameter is actually None
|
||||
if other is None:
|
||||
self.params = (other, )
|
||||
elif isinstance(other, dict):
|
||||
self.params = self._save_dictionary_parameter(other)
|
||||
else:
|
||||
# fallback to casting to unicode,
|
||||
# this will handle the problematic python code-like
|
||||
# objects that cannot be deep-copied
|
||||
try:
|
||||
self.params = copy.deepcopy(other)
|
||||
except TypeError:
|
||||
self.params = unicode(other)
|
||||
|
||||
return self
|
||||
|
||||
# overrides to be more string-like
|
||||
def __unicode__(self):
|
||||
return self.data
|
||||
|
||||
def __str__(self):
|
||||
return self.data.encode('utf-8')
|
||||
|
||||
def __getstate__(self):
|
||||
to_copy = ['_msg', '_right_extra_msg', '_left_extra_msg',
|
||||
'domain', 'params', 'locale']
|
||||
new_dict = self.__dict__.fromkeys(to_copy)
|
||||
for attr in to_copy:
|
||||
new_dict[attr] = copy.deepcopy(self.__dict__[attr])
|
||||
|
||||
return new_dict
|
||||
|
||||
def __setstate__(self, state):
|
||||
for (k, v) in state.items():
|
||||
setattr(self, k, v)
|
||||
|
||||
# operator overloads
|
||||
def __add__(self, other):
|
||||
copied = copy.deepcopy(self)
|
||||
copied._right_extra_msg += other.__str__()
|
||||
return copied
|
||||
|
||||
def __radd__(self, other):
|
||||
copied = copy.deepcopy(self)
|
||||
copied._left_extra_msg += other.__str__()
|
||||
return copied
|
||||
translated_message = translator(msgid)
|
||||
return translated_message
|
||||
|
||||
def __mod__(self, other):
|
||||
# do a format string to catch and raise
|
||||
# any possible KeyErrors from missing parameters
|
||||
self.data % other
|
||||
copied = copy.deepcopy(self)
|
||||
return copied._save_parameters(other)
|
||||
# When we mod a Message we want the actual operation to be performed
|
||||
# by the parent class (i.e. unicode()), the only thing we do here is
|
||||
# save the original msgid and the parameters in case of a translation
|
||||
params = self._sanitize_mod_params(other)
|
||||
unicode_mod = super(Message, self).__mod__(params)
|
||||
modded = Message(self.msgid,
|
||||
msgtext=unicode_mod,
|
||||
params=params,
|
||||
domain=self.domain)
|
||||
return modded
|
||||
|
||||
def __mul__(self, other):
|
||||
return self.data * other
|
||||
def _sanitize_mod_params(self, other):
|
||||
"""Sanitize the object being modded with this Message.
|
||||
|
||||
def __rmul__(self, other):
|
||||
return other * self.data
|
||||
|
||||
def __getitem__(self, key):
|
||||
return self.data[key]
|
||||
|
||||
def __getslice__(self, start, end):
|
||||
return self.data.__getslice__(start, end)
|
||||
|
||||
def __getattribute__(self, name):
|
||||
# NOTE(mrodden): handle lossy operations that we can't deal with yet
|
||||
# These override the UserString implementation, since UserString
|
||||
# uses our __class__ attribute to try and build a new message
|
||||
# after running the inner data string through the operation.
|
||||
# At that point, we have lost the gettext message id and can just
|
||||
# safely resolve to a string instead.
|
||||
ops = ['capitalize', 'center', 'decode', 'encode',
|
||||
'expandtabs', 'ljust', 'lstrip', 'replace', 'rjust', 'rstrip',
|
||||
'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill']
|
||||
if name in ops:
|
||||
return getattr(self.data, name)
|
||||
- Add support for modding 'None' so translation supports it
|
||||
- Trim the modded object, which can be a large dictionary, to only
|
||||
those keys that would actually be used in a translation
|
||||
- Snapshot the object being modded, in case the message is
|
||||
translated, it will be used as it was when the Message was created
|
||||
"""
|
||||
if other is None:
|
||||
params = (other,)
|
||||
elif isinstance(other, dict):
|
||||
# Merge the dictionaries
|
||||
# Copy each item in case one does not support deep copy.
|
||||
params = {}
|
||||
if isinstance(self.params, dict):
|
||||
for key, val in self.params.items():
|
||||
params[key] = self._copy_param(val)
|
||||
for key, val in other.items():
|
||||
params[key] = self._copy_param(val)
|
||||
else:
|
||||
return UserString.UserString.__getattribute__(self, name)
|
||||
params = self._copy_param(other)
|
||||
return params
|
||||
|
||||
def _copy_param(self, param):
|
||||
try:
|
||||
return copy.deepcopy(param)
|
||||
except Exception:
|
||||
# Fallback to casting to unicode this will handle the
|
||||
# python code-like objects that can't be deep-copied
|
||||
return six.text_type(param)
|
||||
|
||||
def __add__(self, other):
|
||||
msg = _('Message objects do not support addition.')
|
||||
raise TypeError(msg)
|
||||
|
||||
def __radd__(self, other):
|
||||
return self.__add__(other)
|
||||
|
||||
def __str__(self):
|
||||
# NOTE(luisg): Logging in python 2.6 tries to str() log records,
|
||||
# and it expects specifically a UnicodeError in order to proceed.
|
||||
msg = _('Message objects do not support str() because they may '
|
||||
'contain non-ascii characters. '
|
||||
'Please use unicode() or translate() instead.')
|
||||
raise UnicodeError(msg)
|
||||
|
||||
|
||||
def get_available_languages(domain):
|
||||
|
@ -244,8 +288,8 @@ def get_available_languages(domain):
|
|||
|
||||
:param domain: the domain to get languages for
|
||||
"""
|
||||
if _AVAILABLE_LANGUAGES:
|
||||
return _AVAILABLE_LANGUAGES
|
||||
if domain in _AVAILABLE_LANGUAGES:
|
||||
return copy.copy(_AVAILABLE_LANGUAGES[domain])
|
||||
|
||||
localedir = '%s_LOCALEDIR' % domain.upper()
|
||||
find = lambda x: gettext.find(domain,
|
||||
|
@ -254,52 +298,151 @@ def get_available_languages(domain):
|
|||
|
||||
# NOTE(mrodden): en_US should always be available (and first in case
|
||||
# order matters) since our in-line message strings are en_US
|
||||
_AVAILABLE_LANGUAGES.append('en_US')
|
||||
language_list = ['en_US']
|
||||
# NOTE(luisg): Babel <1.0 used a function called list(), which was
|
||||
# renamed to locale_identifiers() in >=1.0, the requirements master list
|
||||
# requires >=0.9.6, uncapped, so defensively work with both. We can remove
|
||||
# this check when the master list updates to >=1.0, and all projects udpate
|
||||
# this check when the master list updates to >=1.0, and update all projects
|
||||
list_identifiers = (getattr(localedata, 'list', None) or
|
||||
getattr(localedata, 'locale_identifiers'))
|
||||
locale_identifiers = list_identifiers()
|
||||
|
||||
for i in locale_identifiers:
|
||||
if find(i) is not None:
|
||||
_AVAILABLE_LANGUAGES.append(i)
|
||||
return _AVAILABLE_LANGUAGES
|
||||
language_list.append(i)
|
||||
|
||||
# NOTE(luisg): Babel>=1.0,<1.3 has a bug where some OpenStack supported
|
||||
# locales (e.g. 'zh_CN', and 'zh_TW') aren't supported even though they
|
||||
# are perfectly legitimate locales:
|
||||
# https://github.com/mitsuhiko/babel/issues/37
|
||||
# In Babel 1.3 they fixed the bug and they support these locales, but
|
||||
# they are still not explicitly "listed" by locale_identifiers().
|
||||
# That is why we add the locales here explicitly if necessary so that
|
||||
# they are listed as supported.
|
||||
aliases = {'zh': 'zh_CN',
|
||||
'zh_Hant_HK': 'zh_HK',
|
||||
'zh_Hant': 'zh_TW',
|
||||
'fil': 'tl_PH'}
|
||||
for (locale, alias) in six.iteritems(aliases):
|
||||
if locale in language_list and alias not in language_list:
|
||||
language_list.append(alias)
|
||||
|
||||
_AVAILABLE_LANGUAGES[domain] = language_list
|
||||
return copy.copy(language_list)
|
||||
|
||||
|
||||
def get_localized_message(message, user_locale):
|
||||
"""Gets a localized version of the given message in the given locale."""
|
||||
if (isinstance(message, Message)):
|
||||
if user_locale:
|
||||
message.locale = user_locale
|
||||
return unicode(message)
|
||||
else:
|
||||
return message
|
||||
def translate(obj, desired_locale=None):
|
||||
"""Gets the translated unicode representation of the given object.
|
||||
|
||||
If the object is not translatable it is returned as-is.
|
||||
If the locale is None the object is translated to the system locale.
|
||||
|
||||
:param obj: the object to translate
|
||||
:param desired_locale: the locale to translate the message to, if None the
|
||||
default system locale will be used
|
||||
:returns: the translated object in unicode, or the original object if
|
||||
it could not be translated
|
||||
"""
|
||||
message = obj
|
||||
if not isinstance(message, Message):
|
||||
# If the object to translate is not already translatable,
|
||||
# let's first get its unicode representation
|
||||
message = six.text_type(obj)
|
||||
if isinstance(message, Message):
|
||||
# Even after unicoding() we still need to check if we are
|
||||
# running with translatable unicode before translating
|
||||
return message.translate(desired_locale)
|
||||
return obj
|
||||
|
||||
|
||||
class LocaleHandler(logging.Handler):
|
||||
"""Handler that can have a locale associated to translate Messages.
|
||||
def _translate_args(args, desired_locale=None):
|
||||
"""Translates all the translatable elements of the given arguments object.
|
||||
|
||||
A quick example of how to utilize the Message class above.
|
||||
LocaleHandler takes a locale and a target logging.Handler object
|
||||
to forward LogRecord objects to after translating the internal Message.
|
||||
This method is used for translating the translatable values in method
|
||||
arguments which include values of tuples or dictionaries.
|
||||
If the object is not a tuple or a dictionary the object itself is
|
||||
translated if it is translatable.
|
||||
|
||||
If the locale is None the object is translated to the system locale.
|
||||
|
||||
:param args: the args to translate
|
||||
:param desired_locale: the locale to translate the args to, if None the
|
||||
default system locale will be used
|
||||
:returns: a new args object with the translated contents of the original
|
||||
"""
|
||||
if isinstance(args, tuple):
|
||||
return tuple(translate(v, desired_locale) for v in args)
|
||||
if isinstance(args, dict):
|
||||
translated_dict = {}
|
||||
for (k, v) in six.iteritems(args):
|
||||
translated_v = translate(v, desired_locale)
|
||||
translated_dict[k] = translated_v
|
||||
return translated_dict
|
||||
return translate(args, desired_locale)
|
||||
|
||||
|
||||
class TranslationHandler(handlers.MemoryHandler):
|
||||
"""Handler that translates records before logging them.
|
||||
|
||||
The TranslationHandler takes a locale and a target logging.Handler object
|
||||
to forward LogRecord objects to after translating them. This handler
|
||||
depends on Message objects being logged, instead of regular strings.
|
||||
|
||||
The handler can be configured declaratively in the logging.conf as follows:
|
||||
|
||||
[handlers]
|
||||
keys = translatedlog, translator
|
||||
|
||||
[handler_translatedlog]
|
||||
class = handlers.WatchedFileHandler
|
||||
args = ('/var/log/api-localized.log',)
|
||||
formatter = context
|
||||
|
||||
[handler_translator]
|
||||
class = openstack.common.log.TranslationHandler
|
||||
target = translatedlog
|
||||
args = ('zh_CN',)
|
||||
|
||||
If the specified locale is not available in the system, the handler will
|
||||
log in the default locale.
|
||||
"""
|
||||
|
||||
def __init__(self, locale, target):
|
||||
"""Initialize a LocaleHandler
|
||||
def __init__(self, locale=None, target=None):
|
||||
"""Initialize a TranslationHandler
|
||||
|
||||
:param locale: locale to use for translating messages
|
||||
:param target: logging.Handler object to forward
|
||||
LogRecord objects to after translation
|
||||
"""
|
||||
logging.Handler.__init__(self)
|
||||
# NOTE(luisg): In order to allow this handler to be a wrapper for
|
||||
# other handlers, such as a FileHandler, and still be able to
|
||||
# configure it using logging.conf, this handler has to extend
|
||||
# MemoryHandler because only the MemoryHandlers' logging.conf
|
||||
# parsing is implemented such that it accepts a target handler.
|
||||
handlers.MemoryHandler.__init__(self, capacity=0, target=target)
|
||||
self.locale = locale
|
||||
self.target = target
|
||||
|
||||
def setFormatter(self, fmt):
|
||||
self.target.setFormatter(fmt)
|
||||
|
||||
def emit(self, record):
|
||||
if isinstance(record.msg, Message):
|
||||
# set the locale and resolve to a string
|
||||
record.msg.locale = self.locale
|
||||
# We save the message from the original record to restore it
|
||||
# after translation, so other handlers are not affected by this
|
||||
original_msg = record.msg
|
||||
original_args = record.args
|
||||
|
||||
try:
|
||||
self._translate_and_log_record(record)
|
||||
finally:
|
||||
record.msg = original_msg
|
||||
record.args = original_args
|
||||
|
||||
def _translate_and_log_record(self, record):
|
||||
record.msg = translate(record.msg, self.locale)
|
||||
|
||||
# In addition to translating the message, we also need to translate
|
||||
# arguments that were passed to the log method that were not part
|
||||
# of the main message e.g., log.info(_('Some message %s'), this_one))
|
||||
record.args = _translate_args(record.args, self.locale)
|
||||
|
||||
self.target.emit(record)
|
||||
|
|
|
@ -1,6 +1,4 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2011 OpenStack LLC.
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
|
@ -24,7 +22,7 @@ import traceback
|
|||
|
||||
|
||||
def import_class(import_str):
|
||||
"""Returns a class from a string including module and class"""
|
||||
"""Returns a class from a string including module and class."""
|
||||
mod_str, _sep, class_str = import_str.rpartition('.')
|
||||
try:
|
||||
__import__(mod_str)
|
||||
|
@ -41,8 +39,9 @@ def import_object(import_str, *args, **kwargs):
|
|||
|
||||
|
||||
def import_object_ns(name_space, import_str, *args, **kwargs):
|
||||
"""
|
||||
Import a class and return an instance of it, first by trying
|
||||
"""Tries to import object from default namespace.
|
||||
|
||||
Imports a class and return an instance of it, first by trying
|
||||
to find the class in a default namespace, then failing back to
|
||||
a full path if not found in the default namespace.
|
||||
"""
|
||||
|
@ -59,6 +58,13 @@ def import_module(import_str):
|
|||
return sys.modules[import_str]
|
||||
|
||||
|
||||
def import_versioned_module(version, submodule=None):
|
||||
module = 'muranoclient.v%s' % version
|
||||
if submodule:
|
||||
module = '.'.join((module, submodule))
|
||||
return import_module(module)
|
||||
|
||||
|
||||
def try_import(import_str, default=None):
|
||||
"""Try to import a module and if it fails return default."""
|
||||
try:
|
||||
|
|
|
@ -1,5 +1,3 @@
|
|||
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
||||
|
||||
# Copyright 2011 OpenStack Foundation.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
|
@ -19,25 +17,31 @@
|
|||
System-level utilities and helper functions.
|
||||
"""
|
||||
|
||||
import math
|
||||
import re
|
||||
import sys
|
||||
import unicodedata
|
||||
|
||||
import six
|
||||
|
||||
from muranoclient.openstack.common.gettextutils import _ # noqa
|
||||
from muranoclient.openstack.common.gettextutils import _
|
||||
|
||||
|
||||
# Used for looking up extensions of text
|
||||
# to their 'multiplied' byte amount
|
||||
BYTE_MULTIPLIERS = {
|
||||
'': 1,
|
||||
't': 1024 ** 4,
|
||||
'g': 1024 ** 3,
|
||||
'm': 1024 ** 2,
|
||||
'k': 1024,
|
||||
UNIT_PREFIX_EXPONENT = {
|
||||
'k': 1,
|
||||
'K': 1,
|
||||
'Ki': 1,
|
||||
'M': 2,
|
||||
'Mi': 2,
|
||||
'G': 3,
|
||||
'Gi': 3,
|
||||
'T': 4,
|
||||
'Ti': 4,
|
||||
}
|
||||
UNIT_SYSTEM_INFO = {
|
||||
'IEC': (1024, re.compile(r'(^[-+]?\d*\.?\d+)([KMGT]i?)?(b|bit|B)$')),
|
||||
'SI': (1000, re.compile(r'(^[-+]?\d*\.?\d+)([kMGT])?(b|bit|B)$')),
|
||||
}
|
||||
BYTE_REGEX = re.compile(r'(^-?\d+)(\D*)')
|
||||
|
||||
TRUE_STRINGS = ('1', 't', 'true', 'on', 'y', 'yes')
|
||||
FALSE_STRINGS = ('0', 'f', 'false', 'off', 'n', 'no')
|
||||
|
@ -60,12 +64,12 @@ def int_from_bool_as_string(subject):
|
|||
return bool_from_string(subject) and 1 or 0
|
||||
|
||||
|
||||
def bool_from_string(subject, strict=False):
|
||||
def bool_from_string(subject, strict=False, default=False):
|
||||
"""Interpret a string as a boolean.
|
||||
|
||||
A case-insensitive match is performed such that strings matching 't',
|
||||
'true', 'on', 'y', 'yes', or '1' are considered True and, when
|
||||
`strict=False`, anything else is considered False.
|
||||
`strict=False`, anything else returns the value specified by 'default'.
|
||||
|
||||
Useful for JSON-decoded stuff and config file parsing.
|
||||
|
||||
|
@ -90,20 +94,21 @@ def bool_from_string(subject, strict=False):
|
|||
'acceptable': acceptable}
|
||||
raise ValueError(msg)
|
||||
else:
|
||||
return False
|
||||
return default
|
||||
|
||||
|
||||
def safe_decode(text, incoming=None, errors='strict'):
|
||||
"""Decodes incoming str using `incoming` if they're not already unicode.
|
||||
"""Decodes incoming text/bytes string using `incoming` if they're not
|
||||
already unicode.
|
||||
|
||||
:param incoming: Text's current encoding
|
||||
:param errors: Errors handling policy. See here for valid
|
||||
values http://docs.python.org/2/library/codecs.html
|
||||
:returns: text or a unicode `incoming` encoded
|
||||
representation of it.
|
||||
:raises TypeError: If text is not an isntance of str
|
||||
:raises TypeError: If text is not an instance of str
|
||||
"""
|
||||
if not isinstance(text, six.string_types):
|
||||
if not isinstance(text, (six.string_types, six.binary_type)):
|
||||
raise TypeError("%s can't be decoded" % type(text))
|
||||
|
||||
if isinstance(text, six.text_type):
|
||||
|
@ -133,7 +138,7 @@ def safe_decode(text, incoming=None, errors='strict'):
|
|||
|
||||
def safe_encode(text, incoming=None,
|
||||
encoding='utf-8', errors='strict'):
|
||||
"""Encodes incoming str/unicode using `encoding`.
|
||||
"""Encodes incoming text/bytes string using `encoding`.
|
||||
|
||||
If incoming is not specified, text is expected to be encoded with
|
||||
current python's default encoding. (`sys.getdefaultencoding`)
|
||||
|
@ -144,9 +149,9 @@ def safe_encode(text, incoming=None,
|
|||
values http://docs.python.org/2/library/codecs.html
|
||||
:returns: text or a bytestring `encoding` encoded
|
||||
representation of it.
|
||||
:raises TypeError: If text is not an isntance of str
|
||||
:raises TypeError: If text is not an instance of str
|
||||
"""
|
||||
if not isinstance(text, six.string_types):
|
||||
if not isinstance(text, (six.string_types, six.binary_type)):
|
||||
raise TypeError("%s can't be encoded" % type(text))
|
||||
|
||||
if not incoming:
|
||||
|
@ -154,43 +159,65 @@ def safe_encode(text, incoming=None,
|
|||
sys.getdefaultencoding())
|
||||
|
||||
if isinstance(text, six.text_type):
|
||||
return text.encode(encoding, errors)
|
||||
if six.PY3:
|
||||
return text.encode(encoding, errors).decode(incoming)
|
||||
else:
|
||||
return text.encode(encoding, errors)
|
||||
elif text and encoding != incoming:
|
||||
# Decode text before encoding it with `encoding`
|
||||
text = safe_decode(text, incoming, errors)
|
||||
return text.encode(encoding, errors)
|
||||
if six.PY3:
|
||||
return text.encode(encoding, errors).decode(incoming)
|
||||
else:
|
||||
return text.encode(encoding, errors)
|
||||
|
||||
return text
|
||||
|
||||
|
||||
def to_bytes(text, default=0):
|
||||
"""Converts a string into an integer of bytes.
|
||||
def string_to_bytes(text, unit_system='IEC', return_int=False):
|
||||
"""Converts a string into an float representation of bytes.
|
||||
|
||||
Looks at the last characters of the text to determine
|
||||
what conversion is needed to turn the input text into a byte number.
|
||||
Supports "B, K(B), M(B), G(B), and T(B)". (case insensitive)
|
||||
The units supported for IEC ::
|
||||
|
||||
Kb(it), Kib(it), Mb(it), Mib(it), Gb(it), Gib(it), Tb(it), Tib(it)
|
||||
KB, KiB, MB, MiB, GB, GiB, TB, TiB
|
||||
|
||||
The units supported for SI ::
|
||||
|
||||
kb(it), Mb(it), Gb(it), Tb(it)
|
||||
kB, MB, GB, TB
|
||||
|
||||
Note that the SI unit system does not support capital letter 'K'
|
||||
|
||||
:param text: String input for bytes size conversion.
|
||||
:param default: Default return value when text is blank.
|
||||
:param unit_system: Unit system for byte size conversion.
|
||||
:param return_int: If True, returns integer representation of text
|
||||
in bytes. (default: decimal)
|
||||
:returns: Numerical representation of text in bytes.
|
||||
:raises ValueError: If text has an invalid value.
|
||||
|
||||
"""
|
||||
match = BYTE_REGEX.search(text)
|
||||
try:
|
||||
base, reg_ex = UNIT_SYSTEM_INFO[unit_system]
|
||||
except KeyError:
|
||||
msg = _('Invalid unit system: "%s"') % unit_system
|
||||
raise ValueError(msg)
|
||||
match = reg_ex.match(text)
|
||||
if match:
|
||||
magnitude = int(match.group(1))
|
||||
mult_key_org = match.group(2)
|
||||
if not mult_key_org:
|
||||
return magnitude
|
||||
elif text:
|
||||
msg = _('Invalid string format: %s') % text
|
||||
raise TypeError(msg)
|
||||
magnitude = float(match.group(1))
|
||||
unit_prefix = match.group(2)
|
||||
if match.group(3) in ['b', 'bit']:
|
||||
magnitude /= 8
|
||||
else:
|
||||
return default
|
||||
mult_key = mult_key_org.lower().replace('b', '', 1)
|
||||
multiplier = BYTE_MULTIPLIERS.get(mult_key)
|
||||
if multiplier is None:
|
||||
msg = _('Unknown byte multiplier: %s') % mult_key_org
|
||||
raise TypeError(msg)
|
||||
return magnitude * multiplier
|
||||
msg = _('Invalid string format: %s') % text
|
||||
raise ValueError(msg)
|
||||
if not unit_prefix:
|
||||
res = magnitude
|
||||
else:
|
||||
res = magnitude * pow(base, UNIT_PREFIX_EXPONENT[unit_prefix])
|
||||
if return_int:
|
||||
return int(math.ceil(res))
|
||||
return res
|
||||
|
||||
|
||||
def to_slug(value, incoming=None, errors="strict"):
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
[DEFAULT]
|
||||
|
||||
# The list of modules to copy from openstack-common
|
||||
modules=importutils,strutils,gettextutils
|
||||
modules=importutils,strutils,gettextutils,apiclient.base,apiclient.exceptions
|
||||
|
||||
# The base module to hold the copy of openstack.common
|
||||
base=muranoclient
|
||||
|
|
Loading…
Reference in New Issue