117 lines
3.5 KiB
Python
117 lines
3.5 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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"""Custom exception"""
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import traceback
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class DatabaseException(Exception):
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"""Base class for all database exceptions."""
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def __init__(self, message):
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super(DatabaseException, self).__init__(message)
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self.traceback = traceback.format_exc()
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self.status_code = 400
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def to_dict(self):
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return {'message': str(self)}
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class RecordNotExists(DatabaseException):
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"""Define the exception for referring non-existing object in DB."""
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def __init__(self, message):
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super(RecordNotExists, self).__init__(message)
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self.status_code = 404
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class DuplicatedRecord(DatabaseException):
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"""Define the exception for trying to insert an existing object in DB."""
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def __init__(self, message):
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super(DuplicatedRecord, self).__init__(message)
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self.status_code = 409
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class Unauthorized(DatabaseException):
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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)
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self.status_code = 401
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class UserDisabled(DatabaseException):
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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)
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self.status_code = 403
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class Forbidden(DatabaseException):
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"""Define the exception that a user is trying to make some action
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without the right permission.
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"""
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def __init__(self, message):
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super(Forbidden, self).__init__(message)
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self.status_code = 403
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class NotAcceptable(DatabaseException):
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"""The data is not acceptable."""
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def __init__(self, message):
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super(NotAcceptable, self).__init__(message)
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self.status_code = 406
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class InvalidParameter(DatabaseException):
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"""Define the exception that the request has invalid or missing parameters.
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"""
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def __init__(self, message):
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super(InvalidParameter, self).__init__(message)
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self.status_code = 400
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class InvalidResponse(DatabaseException):
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"""Define the exception that the response is invalid.
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"""
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def __init__(self, message):
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super(InvalidResponse, self).__init__(message)
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self.status_code = 400
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class MultiDatabaseException(DatabaseException):
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"""Define the exception composites with multi exceptions."""
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def __init__(self, exceptions):
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super(MultiDatabaseException, self).__init__('multi exceptions')
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self.exceptions = exceptions
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self.status_code = 400
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@property
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def traceback(self):
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tracebacks = []
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for exception in self.exceptions:
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tracebacks.append(exception.trackback)
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def to_dict(self):
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dict_info = super(MultiDatabaseException, self).to_dict()
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dict_info.update({
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'exceptions': [
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exception.to_dict() for exception in self.exceptions
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]
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})
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return dict_info
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