e94e98ad4a
Fisrt patch to implement the REST api framework based on pecan, with keystone authentication integrated. No resources implemented in the first patch Change-Id: I8bff9f934fbba183f0b0e7b540fa755965c229a0 implements: blueprint: https://blueprints.launchpad.net/tricircle/+spec/implement-rest-api-framework
84 lines
2.4 KiB
Python
Executable File
84 lines
2.4 KiB
Python
Executable File
# Copyright 2015 Huawei Technologies Co., Ltd.
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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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Tricircle base exception handling.
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"""
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from oslo_utils import excutils
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import six
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from tricircle.i18n import _
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class TricircleException(Exception):
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"""Base Tricircle Exception.
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To correctly use this class, inherit from it and define
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a 'message' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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message = _("An unknown exception occurred.")
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def __init__(self, **kwargs):
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try:
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super(TricircleException, self).__init__(self.message % kwargs)
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self.msg = self.message % kwargs
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except Exception:
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with excutils.save_and_reraise_exception() as ctxt:
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if not self.use_fatal_exceptions():
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ctxt.reraise = False
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# at least get the core message out if something happened
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super(TricircleException, self).__init__(self.message)
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if six.PY2:
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def __unicode__(self):
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return unicode(self.msg)
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def use_fatal_exceptions(self):
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return False
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class BadRequest(TricircleException):
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message = _('Bad %(resource)s request: %(msg)s')
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class NotFound(TricircleException):
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pass
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class Conflict(TricircleException):
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pass
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class NotAuthorized(TricircleException):
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message = _("Not authorized.")
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class ServiceUnavailable(TricircleException):
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message = _("The service is unavailable")
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class AdminRequired(NotAuthorized):
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message = _("User does not have admin privileges: %(reason)s")
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class InUse(TricircleException):
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message = _("The resource is inuse")
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class InvalidConfigurationOption(TricircleException):
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message = _("An invalid value was provided for %(opt_name)s: "
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"%(opt_value)s")
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