90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
# Copyright 2014 Huawei Technologies Co. Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Exceptions for RESTful API."""
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import logging
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import simplejson as json
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import traceback
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from compass.api import app
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from compass.api import utils
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class HTTPException(Exception):
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def __init__(self, message, status_code):
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super(HTTPException, self).__init__(message)
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self.traceback = traceback.format_exc()
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self.status_code = status_code
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class ItemNotFound(HTTPException):
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"""Define the exception for referring non-existing object."""
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def __init__(self, message):
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super(ItemNotFound, self).__init__(message, 410)
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class BadRequest(HTTPException):
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"""Define the exception for invalid/missing parameters or a user makes
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a request in invalid state and cannot be processed at this moment.
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"""
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def __init__(self, message):
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super(BadRequest, self).__init__(message, 400)
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class Unauthorized(HTTPException):
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"""Define the exception for invalid user login."""
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def __init__(self, message):
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super(Unauthorized, self).__init__(message, 401)
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class UserDisabled(HTTPException):
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"""Define the exception that a disabled user tries to do some operations.
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"""
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def __init__(self, message):
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super(UserDisabled, self).__init__(message, 403)
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class Forbidden(HTTPException):
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"""Define the exception that a user tries to do some operations without
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valid permissions.
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"""
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def __init__(self, message):
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super(Forbidden, self).__init__(message, 403)
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class BadMethod(HTTPException):
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"""Define the exception for invoking unsupprted or unimplemented methods.
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"""
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def __init__(self, message):
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super(BadMethod, self).__init__(message, 405)
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class ConflictObject(HTTPException):
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"""Define the exception for creating an existing object."""
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def __init__(self, message):
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super(ConflictObject, self).__init__(message, 409)
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@app.errorhandler(Exception)
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def handle_exception(error):
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response = {'message': str(error)}
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if hasattr(error, 'traceback'):
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response['traceback'] = error.traceback
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status_code = 400
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if hasattr(error, 'status_code'):
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status_code = error.status_code
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return utils.make_json_response(status_code, response)
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